YES This is Ultimate 0.2.2-dev-e7f90c1-m [2023-02-13 03:40:39,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-13 03:40:39,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-13 03:40:39,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-13 03:40:39,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-13 03:40:39,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-13 03:40:39,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-13 03:40:39,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-13 03:40:39,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-13 03:40:39,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-13 03:40:39,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-13 03:40:39,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-13 03:40:39,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-13 03:40:39,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-13 03:40:39,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-13 03:40:39,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-13 03:40:39,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-13 03:40:39,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-13 03:40:39,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-13 03:40:39,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-13 03:40:39,331 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2023-02-13 03:40:39,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-13 03:40:39,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-13 03:40:39,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-13 03:40:39,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-13 03:40:39,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-13 03:40:39,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-13 03:40:39,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-13 03:40:39,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-13 03:40:39,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-13 03:40:39,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-13 03:40:39,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-13 03:40:39,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-13 03:40:39,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-13 03:40:39,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-13 03:40:39,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-13 03:40:39,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-13 03:40:39,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-13 03:40:39,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-13 03:40:39,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-13 03:40:39,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-13 03:40:39,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-13 03:40:39,340 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/Ultimate/./../termcomp2017.epf [2023-02-13 03:40:39,351 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-13 03:40:39,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-13 03:40:39,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-13 03:40:39,352 INFO L138 SettingsManager]: * Rewrite not-equals=true [2023-02-13 03:40:39,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-13 03:40:39,353 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:40:39,353 INFO L138 SettingsManager]: * Use SBE=true [2023-02-13 03:40:39,353 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-13 03:40:39,353 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-13 03:40:39,353 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-13 03:40:39,353 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2023-02-13 03:40:39,353 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-13 03:40:39,353 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-13 03:40:39,353 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2023-02-13 03:40:39,353 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:39,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-13 03:40:39,354 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-13 03:40:39,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-13 03:40:39,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-13 03:40:39,354 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-13 03:40:39,354 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2023-02-13 03:40:39,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-13 03:40:39,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-13 03:40:39,354 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2023-02-13 03:40:39,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:40:39,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-13 03:40:39,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-13 03:40:39,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-13 03:40:39,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/export/starexec/sandbox/solver/Ultimate/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-02-13 03:40:39,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-13 03:40:39,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-13 03:40:39,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-13 03:40:39,494 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-13 03:40:39,494 INFO L275 PluginConnector]: CDTParser initialized [2023-02-13 03:40:39,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:40:39,535 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/b4ba46db8abb4fab8a7e70c423f701ef/FLAGdd93c3d70 [2023-02-13 03:40:39,927 INFO L306 CDTParser]: Found 1 translation units. [2023-02-13 03:40:39,928 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:40:39,933 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/b4ba46db8abb4fab8a7e70c423f701ef/FLAGdd93c3d70 [2023-02-13 03:40:39,944 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/b4ba46db8abb4fab8a7e70c423f701ef [2023-02-13 03:40:39,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-13 03:40:39,947 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2023-02-13 03:40:39,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-13 03:40:39,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-13 03:40:39,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-13 03:40:39,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:40:39" (1/1) ... [2023-02-13 03:40:39,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6fe4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:39, skipping insertion in model container [2023-02-13 03:40:39,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:40:39" (1/1) ... [2023-02-13 03:40:39,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-13 03:40:39,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-13 03:40:40,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:40:40,076 INFO L203 MainTranslator]: Completed pre-run [2023-02-13 03:40:40,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:40:40,089 INFO L208 MainTranslator]: Completed translation [2023-02-13 03:40:40,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:40 WrapperNode [2023-02-13 03:40:40,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-13 03:40:40,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-13 03:40:40,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-13 03:40:40,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-13 03:40:40,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:40" (1/1) ... [2023-02-13 03:40:40,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:40" (1/1) ... [2023-02-13 03:40:40,121 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2023-02-13 03:40:40,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-13 03:40:40,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-13 03:40:40,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-13 03:40:40,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-13 03:40:40,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:40" (1/1) ... [2023-02-13 03:40:40,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:40" (1/1) ... [2023-02-13 03:40:40,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:40" (1/1) ... [2023-02-13 03:40:40,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:40" (1/1) ... [2023-02-13 03:40:40,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:40" (1/1) ... [2023-02-13 03:40:40,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:40" (1/1) ... [2023-02-13 03:40:40,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:40" (1/1) ... [2023-02-13 03:40:40,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-13 03:40:40,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-13 03:40:40,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-13 03:40:40,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-13 03:40:40,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:40" (1/1) ... [2023-02-13 03:40:40,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:40:40,143 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:40,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:40,152 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (1)] Waiting until timeout for monitored process [2023-02-13 03:40:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-13 03:40:40,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-13 03:40:40,235 INFO L234 CfgBuilder]: Building ICFG [2023-02-13 03:40:40,236 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-13 03:40:40,301 INFO L275 CfgBuilder]: Performing block encoding [2023-02-13 03:40:40,309 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-13 03:40:40,309 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-13 03:40:40,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:40 BoogieIcfgContainer [2023-02-13 03:40:40,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-13 03:40:40,312 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2023-02-13 03:40:40,312 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2023-02-13 03:40:40,314 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2023-02-13 03:40:40,316 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:40" (1/1) ... [2023-02-13 03:40:40,326 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 10 edges [2023-02-13 03:40:40,326 INFO L258 BlockEncoder]: Using Remove infeasible edges [2023-02-13 03:40:40,327 INFO L263 BlockEncoder]: Using Maximize final states [2023-02-13 03:40:40,327 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2023-02-13 03:40:40,327 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:40:40,328 INFO L296 BlockEncoder]: Using Remove sink states [2023-02-13 03:40:40,328 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2023-02-13 03:40:40,328 INFO L179 BlockEncoder]: Using Rewrite not-equals [2023-02-13 03:40:40,334 INFO L185 BlockEncoder]: Using Use SBE [2023-02-13 03:40:40,339 INFO L200 BlockEncoder]: SBE split 1 edges [2023-02-13 03:40:40,341 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2023-02-13 03:40:40,342 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:40:40,345 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2023-02-13 03:40:40,346 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2023-02-13 03:40:40,347 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2023-02-13 03:40:40,347 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:40:40,347 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2023-02-13 03:40:40,347 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2023-02-13 03:40:40,347 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2023-02-13 03:40:40,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:40:40 BasicIcfg [2023-02-13 03:40:40,347 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2023-02-13 03:40:40,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-13 03:40:40,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-13 03:40:40,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-13 03:40:40,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.02 03:40:39" (1/4) ... [2023-02-13 03:40:40,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c07017e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:40:40, skipping insertion in model container [2023-02-13 03:40:40,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:40" (2/4) ... [2023-02-13 03:40:40,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c07017e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:40:40, skipping insertion in model container [2023-02-13 03:40:40,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:40" (3/4) ... [2023-02-13 03:40:40,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c07017e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:40:40, skipping insertion in model container [2023-02-13 03:40:40,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:40:40" (4/4) ... [2023-02-13 03:40:40,352 INFO L111 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:40:40,361 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2023-02-13 03:40:40,361 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-13 03:40:40,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c07017e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:40:40, skipping insertion in model container [2023-02-13 03:40:40,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-13 03:40:40,362 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-13 03:40:40,362 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-13 03:40:40,364 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-13 03:40:40,364 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:40,365 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.02 03:40:39" (1/4) ... [2023-02-13 03:40:40,365 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74a5b4f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:40:40, skipping insertion in model container [2023-02-13 03:40:40,365 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:40,365 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:40:40" (2/4) ... [2023-02-13 03:40:40,365 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74a5b4f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:40:40, skipping insertion in model container [2023-02-13 03:40:40,365 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:40,365 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:40:40" (3/4) ... [2023-02-13 03:40:40,365 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74a5b4f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:40:40, skipping insertion in model container [2023-02-13 03:40:40,366 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:40:40,366 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:40:40" (4/4) ... [2023-02-13 03:40:40,366 INFO L322 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:40:40,393 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2023-02-13 03:40:40,394 INFO L302 stractBuchiCegarLoop]: Hoare is true [2023-02-13 03:40:40,394 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-13 03:40:40,394 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-13 03:40:40,394 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-13 03:40:40,394 INFO L306 stractBuchiCegarLoop]: Difference is false [2023-02-13 03:40:40,394 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-13 03:40:40,394 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-13 03:40:40,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:40,406 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-13 03:40:40,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:40,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:40,409 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:40:40,410 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-13 03:40:40,410 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-13 03:40:40,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:40,410 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-13 03:40:40,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:40,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:40,410 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:40:40,410 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-13 03:40:40,413 INFO L733 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [39] ULTIMATE.startENTRY-->L19-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_7|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_9|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet0#1] 2#L19-2true [2023-02-13 03:40:40,413 INFO L735 eck$LassoCheckResult]: Loop: 2#L19-2true [27] L19-2-->L19: Formula: (and (<= 0 |v_ULTIMATE.start_main_~y~0#1_6|) (= (+ (- 1) |v_ULTIMATE.start_main_~y~0#1_6|) |v_ULTIMATE.start_main_~y~0#1_5|) (<= 0 |v_ULTIMATE.start_main_~x~0#1_4|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_6|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0#1] 4#L19true [36] L19-->L19-2: Formula: (>= |v_ULTIMATE.start_main_~y~0#1_1| 0) InVars {ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_1|} OutVars{ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_1|} AuxVars[] AssignedVars[] 2#L19-2true [2023-02-13 03:40:40,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:40,417 INFO L85 PathProgramCache]: Analyzing trace with hash 70, now seen corresponding path program 1 times [2023-02-13 03:40:40,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:40,422 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152114854] [2023-02-13 03:40:40,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:40,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:40,466 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:40,476 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:40,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:40,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1834, now seen corresponding path program 1 times [2023-02-13 03:40:40,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:40,478 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711319218] [2023-02-13 03:40:40,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:40,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:40,484 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:40,487 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:40,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:40,488 INFO L85 PathProgramCache]: Analyzing trace with hash 68143, now seen corresponding path program 1 times [2023-02-13 03:40:40,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:40,488 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565442058] [2023-02-13 03:40:40,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:40,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:40,492 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:40,495 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:40,534 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:40,535 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:40,535 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:40,535 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:40,535 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:40:40,535 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:40,535 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:40,535 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:40,535 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2023-02-13 03:40:40,535 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:40,536 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:40,543 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:40,550 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:40,554 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:40,556 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:40,587 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:40,587 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:40:40,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:40,589 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:40,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:40,594 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-02-13 03:40:40,595 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:40,595 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:40,606 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:40,606 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:40,625 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:40,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:40,625 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:40,626 INFO L229 MonitoredProcess]: Starting monitored process 3 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:40,627 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-02-13 03:40:40,627 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:40,628 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:40,641 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:40,641 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:40,660 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-02-13 03:40:40,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:40,662 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:40,663 INFO L229 MonitoredProcess]: Starting monitored process 4 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:40,665 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-02-13 03:40:40,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:40,666 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:40,686 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:40,686 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:40,724 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-02-13 03:40:40,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:40,725 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:40,726 INFO L229 MonitoredProcess]: Starting monitored process 5 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:40,727 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-02-13 03:40:40,729 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:40,729 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:40,753 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-02-13 03:40:40,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:40,754 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:40,755 INFO L229 MonitoredProcess]: Starting monitored process 6 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:40,756 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-02-13 03:40:40,758 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:40,758 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:40,833 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:40:40,836 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-02-13 03:40:40,837 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:40,837 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:40,837 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:40,837 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:40,837 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:40:40,837 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:40,837 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:40,838 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:40,838 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2023-02-13 03:40:40,838 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:40,838 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:40,839 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:40,844 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:40,848 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:40,852 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:40,904 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:40,909 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:40:40,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:40,911 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:40,912 INFO L229 MonitoredProcess]: Starting monitored process 7 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:40,912 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-02-13 03:40:40,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:40,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:40,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:40,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:40,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:40,928 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:40,928 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:40,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:40,966 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-02-13 03:40:40,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:40,967 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:40,968 INFO L229 MonitoredProcess]: Starting monitored process 8 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:40,969 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-02-13 03:40:40,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:40,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:40,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:40,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:40,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:40,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:40,978 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:40,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:41,002 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-02-13 03:40:41,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:41,002 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:41,003 INFO L229 MonitoredProcess]: Starting monitored process 9 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:41,003 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-02-13 03:40:41,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:41,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:41,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:41,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:41,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:41,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:41,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:41,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:41,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:41,042 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-02-13 03:40:41,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:41,043 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:41,044 INFO L229 MonitoredProcess]: Starting monitored process 10 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:41,045 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-02-13 03:40:41,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:41,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:41,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:41,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:41,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:41,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:41,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:41,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:41,065 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:40:41,070 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-02-13 03:40:41,070 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-13 03:40:41,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:41,072 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:41,075 INFO L229 MonitoredProcess]: Starting monitored process 11 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:41,080 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-02-13 03:40:41,081 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:40:41,081 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:40:41,081 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:40:41,082 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-02-13 03:40:41,111 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-02-13 03:40:41,118 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:40:41,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:41,150 WARN L261 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:41,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:41,159 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-13 03:40:41,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:41,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-13 03:40:41,195 INFO L100 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2023-02-13 03:40:41,198 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-13 03:40:41,199 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:41,216 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 8 states and 10 transitions. Complement of second has 4 states. [2023-02-13 03:40:41,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-13 03:40:41,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:41,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-02-13 03:40:41,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. [2023-02-13 03:40:41,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:41,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-13 03:40:41,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:41,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. [2023-02-13 03:40:41,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:41,234 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 10 transitions. [2023-02-13 03:40:41,234 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-13 03:40:41,237 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 7 states and 9 transitions. [2023-02-13 03:40:41,238 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2023-02-13 03:40:41,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2023-02-13 03:40:41,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. [2023-02-13 03:40:41,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-13 03:40:41,239 INFO L220 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2023-02-13 03:40:41,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. [2023-02-13 03:40:41,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2023-02-13 03:40:41,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:41,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2023-02-13 03:40:41,255 INFO L242 hiAutomatonCegarLoop]: Abstraction has 6 states and 8 transitions. [2023-02-13 03:40:41,255 INFO L426 stractBuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2023-02-13 03:40:41,256 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-13 03:40:41,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2023-02-13 03:40:41,256 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-02-13 03:40:41,256 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:41,256 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:41,256 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-13 03:40:41,256 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-13 03:40:41,256 INFO L733 eck$LassoCheckResult]: Stem: 46#ULTIMATE.startENTRY [39] ULTIMATE.startENTRY-->L19-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_7|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_9|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet0#1] 47#L19-2 [27] L19-2-->L19: Formula: (and (<= 0 |v_ULTIMATE.start_main_~y~0#1_6|) (= (+ (- 1) |v_ULTIMATE.start_main_~y~0#1_6|) |v_ULTIMATE.start_main_~y~0#1_5|) (<= 0 |v_ULTIMATE.start_main_~x~0#1_4|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_6|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0#1] 45#L19 [31] L19-->L19-2: Formula: (and (< |v_ULTIMATE.start_main_~y~0#1_8| 0) (= (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_6|) |v_ULTIMATE.start_main_~x~0#1_5|) (= |v_ULTIMATE.start_main_#t~nondet0#1_3| |v_ULTIMATE.start_main_~y~0#1_7|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_8|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_7|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#t~nondet0#1] 42#L19-2 [2023-02-13 03:40:41,257 INFO L735 eck$LassoCheckResult]: Loop: 42#L19-2 [27] L19-2-->L19: Formula: (and (<= 0 |v_ULTIMATE.start_main_~y~0#1_6|) (= (+ (- 1) |v_ULTIMATE.start_main_~y~0#1_6|) |v_ULTIMATE.start_main_~y~0#1_5|) (<= 0 |v_ULTIMATE.start_main_~x~0#1_4|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_6|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0#1] 43#L19 [36] L19-->L19-2: Formula: (>= |v_ULTIMATE.start_main_~y~0#1_1| 0) InVars {ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_1|} OutVars{ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_1|} AuxVars[] AssignedVars[] 42#L19-2 [2023-02-13 03:40:41,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:41,257 INFO L85 PathProgramCache]: Analyzing trace with hash 68138, now seen corresponding path program 1 times [2023-02-13 03:40:41,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:41,257 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645483533] [2023-02-13 03:40:41,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:41,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:41,261 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:41,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:41,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:41,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1834, now seen corresponding path program 2 times [2023-02-13 03:40:41,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:41,264 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176432443] [2023-02-13 03:40:41,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:41,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:41,267 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:41,268 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:41,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:41,269 INFO L85 PathProgramCache]: Analyzing trace with hash 65481491, now seen corresponding path program 1 times [2023-02-13 03:40:41,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:41,269 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882870950] [2023-02-13 03:40:41,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:41,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:41,273 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:41,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:41,295 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:41,295 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:41,295 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:41,295 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:41,295 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:40:41,295 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:41,295 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:41,295 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:41,295 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2023-02-13 03:40:41,295 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:41,295 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:41,296 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:41,297 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:41,300 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:41,301 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:41,318 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:41,318 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:40:41,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:41,318 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:41,319 INFO L229 MonitoredProcess]: Starting monitored process 12 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:41,319 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-02-13 03:40:41,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:41,320 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:41,327 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:41,327 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:41,343 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-02-13 03:40:41,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:41,344 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:41,345 INFO L229 MonitoredProcess]: Starting monitored process 13 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:41,346 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-02-13 03:40:41,346 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:41,346 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:41,373 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-02-13 03:40:41,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:41,374 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:41,374 INFO L229 MonitoredProcess]: Starting monitored process 14 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:41,375 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-02-13 03:40:41,375 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:41,375 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:41,435 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:40:41,438 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-02-13 03:40:41,438 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:41,438 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:41,439 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:41,439 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:41,439 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:40:41,439 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:41,440 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:41,440 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:41,440 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2023-02-13 03:40:41,440 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:41,441 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:41,444 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:41,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:41,451 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:41,455 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:41,473 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:41,474 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:40:41,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:41,474 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:41,475 INFO L229 MonitoredProcess]: Starting monitored process 15 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:41,477 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-02-13 03:40:41,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:41,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:41,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:41,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:41,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:41,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:41,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:41,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:41,500 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-02-13 03:40:41,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:41,501 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:41,502 INFO L229 MonitoredProcess]: Starting monitored process 16 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:41,503 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-02-13 03:40:41,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:41,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:41,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:41,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:41,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:41,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:41,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:41,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:41,514 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:40:41,518 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-02-13 03:40:41,518 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-13 03:40:41,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:41,518 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:41,519 INFO L229 MonitoredProcess]: Starting monitored process 17 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:41,525 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-02-13 03:40:41,525 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:40:41,525 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:40:41,525 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:40:41,525 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2023-02-13 03:40:41,549 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-02-13 03:40:41,550 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:40:41,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:41,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:41,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:41,582 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-13 03:40:41,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:41,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-13 03:40:41,593 INFO L100 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2023-02-13 03:40:41,593 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-13 03:40:41,593 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:41,602 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 10 states and 14 transitions. Complement of second has 5 states. [2023-02-13 03:40:41,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-13 03:40:41,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:41,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2023-02-13 03:40:41,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-13 03:40:41,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:41,603 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-13 03:40:41,604 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:41,604 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 4 letters. [2023-02-13 03:40:41,604 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:41,604 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 14 transitions. [2023-02-13 03:40:41,605 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-02-13 03:40:41,605 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 12 transitions. [2023-02-13 03:40:41,605 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2023-02-13 03:40:41,605 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2023-02-13 03:40:41,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2023-02-13 03:40:41,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-13 03:40:41,606 INFO L220 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-13 03:40:41,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2023-02-13 03:40:41,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-02-13 03:40:41,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2023-02-13 03:40:41,607 INFO L242 hiAutomatonCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-13 03:40:41,607 INFO L426 stractBuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2023-02-13 03:40:41,607 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-13 03:40:41,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2023-02-13 03:40:41,607 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-02-13 03:40:41,607 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:40:41,607 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:40:41,608 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1] [2023-02-13 03:40:41,608 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-02-13 03:40:41,608 INFO L733 eck$LassoCheckResult]: Stem: 96#ULTIMATE.startENTRY [39] ULTIMATE.startENTRY-->L19-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_7|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_9|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_#t~nondet0#1] 93#L19-2 [27] L19-2-->L19: Formula: (and (<= 0 |v_ULTIMATE.start_main_~y~0#1_6|) (= (+ (- 1) |v_ULTIMATE.start_main_~y~0#1_6|) |v_ULTIMATE.start_main_~y~0#1_5|) (<= 0 |v_ULTIMATE.start_main_~x~0#1_4|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_6|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0#1] 94#L19 [31] L19-->L19-2: Formula: (and (< |v_ULTIMATE.start_main_~y~0#1_8| 0) (= (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_6|) |v_ULTIMATE.start_main_~x~0#1_5|) (= |v_ULTIMATE.start_main_#t~nondet0#1_3| |v_ULTIMATE.start_main_~y~0#1_7|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_8|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_7|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#t~nondet0#1] 100#L19-2 [27] L19-2-->L19: Formula: (and (<= 0 |v_ULTIMATE.start_main_~y~0#1_6|) (= (+ (- 1) |v_ULTIMATE.start_main_~y~0#1_6|) |v_ULTIMATE.start_main_~y~0#1_5|) (<= 0 |v_ULTIMATE.start_main_~x~0#1_4|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_6|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0#1] 101#L19 [31] L19-->L19-2: Formula: (and (< |v_ULTIMATE.start_main_~y~0#1_8| 0) (= (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_6|) |v_ULTIMATE.start_main_~x~0#1_5|) (= |v_ULTIMATE.start_main_#t~nondet0#1_3| |v_ULTIMATE.start_main_~y~0#1_7|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_8|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_7|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#t~nondet0#1] 99#L19-2 [2023-02-13 03:40:41,608 INFO L735 eck$LassoCheckResult]: Loop: 99#L19-2 [27] L19-2-->L19: Formula: (and (<= 0 |v_ULTIMATE.start_main_~y~0#1_6|) (= (+ (- 1) |v_ULTIMATE.start_main_~y~0#1_6|) |v_ULTIMATE.start_main_~y~0#1_5|) (<= 0 |v_ULTIMATE.start_main_~x~0#1_4|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_6|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0#1] 97#L19 [31] L19-->L19-2: Formula: (and (< |v_ULTIMATE.start_main_~y~0#1_8| 0) (= (+ (- 1) |v_ULTIMATE.start_main_~x~0#1_6|) |v_ULTIMATE.start_main_~x~0#1_5|) (= |v_ULTIMATE.start_main_#t~nondet0#1_3| |v_ULTIMATE.start_main_~y~0#1_7|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_8|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_7|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#t~nondet0#1] 99#L19-2 [2023-02-13 03:40:41,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:41,609 INFO L85 PathProgramCache]: Analyzing trace with hash 65481486, now seen corresponding path program 2 times [2023-02-13 03:40:41,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:41,609 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898655764] [2023-02-13 03:40:41,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:41,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:41,614 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:41,617 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:41,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:41,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1829, now seen corresponding path program 1 times [2023-02-13 03:40:41,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:41,618 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044961695] [2023-02-13 03:40:41,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:41,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:41,621 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:41,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:41,623 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:41,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:41,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1496800526, now seen corresponding path program 3 times [2023-02-13 03:40:41,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:40:41,623 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847325998] [2023-02-13 03:40:41,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:40:41,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:40:41,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:41,629 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:40:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:40:41,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:40:41,649 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:41,649 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:41,649 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:41,649 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:41,649 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:40:41,649 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:41,649 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:41,649 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:41,649 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2023-02-13 03:40:41,649 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:41,649 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:41,650 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:41,653 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:41,655 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:41,657 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:41,680 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:41,680 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:40:41,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:41,681 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:41,684 INFO L229 MonitoredProcess]: Starting monitored process 18 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:41,685 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-02-13 03:40:41,685 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:41,685 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:41,693 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:41,694 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0, ULTIMATE.start_main_~y~0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0, ULTIMATE.start_main_~y~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:41,709 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-02-13 03:40:41,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:41,709 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:41,710 INFO L229 MonitoredProcess]: Starting monitored process 19 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:41,710 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-02-13 03:40:41,711 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:41,711 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:41,719 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:40:41,719 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:40:41,739 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-02-13 03:40:41,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:41,739 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:41,740 INFO L229 MonitoredProcess]: Starting monitored process 20 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:41,742 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-02-13 03:40:41,743 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:40:41,743 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:41,772 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-02-13 03:40:41,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:40:41,772 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:41,773 INFO L229 MonitoredProcess]: Starting monitored process 21 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:41,774 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-02-13 03:40:41,774 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:40:41,774 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:40:41,807 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:40:41,809 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-02-13 03:40:41,809 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:40:41,809 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:40:41,809 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:40:41,809 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:40:41,809 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:40:41,809 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:41,809 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:40:41,809 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:40:41,809 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2023-02-13 03:40:41,809 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:40:41,809 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:40:41,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:41,819 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:41,821 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:41,828 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-13 03:40:41,871 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:40:41,872 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:40:41,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:41,872 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:41,873 INFO L229 MonitoredProcess]: Starting monitored process 22 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:41,874 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-02-13 03:40:41,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:41,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:41,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:41,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:41,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:41,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:41,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:41,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:41,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:41,907 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-02-13 03:40:41,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:41,907 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:41,908 INFO L229 MonitoredProcess]: Starting monitored process 23 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:41,909 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-02-13 03:40:41,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:41,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:41,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:41,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:41,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:41,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:40:41,915 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:40:41,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:40:41,931 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-02-13 03:40:41,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:41,932 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:41,933 INFO L229 MonitoredProcess]: Starting monitored process 24 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:41,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-13 03:40:41,938 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-02-13 03:40:41,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:40:41,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:40:41,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:40:41,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:40:41,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:40:41,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:40:41,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:40:41,945 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:40:41,948 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-13 03:40:41,948 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-13 03:40:41,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:40:41,948 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:40:41,951 INFO L229 MonitoredProcess]: Starting monitored process 25 with /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-02-13 03:40:41,953 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-02-13 03:40:41,953 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:40:41,953 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:40:41,953 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:40:41,953 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2023-02-13 03:40:41,981 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-02-13 03:40:41,982 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:40:41,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:40:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:42,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:40:42,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:40:42,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-13 03:40:42,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:40:42,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-13 03:40:42,028 INFO L100 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2023-02-13 03:40:42,029 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-13 03:40:42,029 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 9 states and 12 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:42,039 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 9 states and 12 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 18 transitions. Complement of second has 4 states. [2023-02-13 03:40:42,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-13 03:40:42,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-13 03:40:42,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-02-13 03:40:42,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2023-02-13 03:40:42,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:42,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2023-02-13 03:40:42,040 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:42,040 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 4 letters. [2023-02-13 03:40:42,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:40:42,041 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2023-02-13 03:40:42,041 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-13 03:40:42,041 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2023-02-13 03:40:42,041 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-13 03:40:42,041 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-13 03:40:42,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-13 03:40:42,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-13 03:40:42,042 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:40:42,042 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:40:42,042 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:40:42,042 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-02-13 03:40:42,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-13 03:40:42,042 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-13 03:40:42,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-13 03:40:42,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:40:42 BasicIcfg [2023-02-13 03:40:42,046 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-13 03:40:42,047 INFO L158 Benchmark]: Toolchain (without parser) took 2099.84ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.0GB in the end (delta: 82.5MB). Peak memory consumption was 74.4MB. Max. memory is 42.9GB. [2023-02-13 03:40:42,047 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 2.1GB. Free memory is still 2.1GB. There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:40:42,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 141.14ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:40:42,047 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.62ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:40:42,047 INFO L158 Benchmark]: Boogie Preprocessor took 10.22ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:40:42,048 INFO L158 Benchmark]: RCFGBuilder took 179.42ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:40:42,048 INFO L158 Benchmark]: BlockEncodingV2 took 35.40ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:40:42,048 INFO L158 Benchmark]: TraceAbstraction took 13.34ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:40:42,048 INFO L158 Benchmark]: BuchiAutomizer took 1684.22ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.0GB in the end (delta: 51.0MB). Peak memory consumption was 40.8MB. Max. memory is 42.9GB. [2023-02-13 03:40:42,049 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 8 locations, 10 edges - StatisticsResult: Encoded RCFG 3 locations, 4 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 2.1GB. Free memory is still 2.1GB. There was no memory consumed. Max. memory is 42.9GB. * CACSL2BoogieTranslator took 141.14ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * Boogie Procedure Inliner took 31.62ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * Boogie Preprocessor took 10.22ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 42.9GB. * RCFGBuilder took 179.42ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * BlockEncodingV2 took 35.40ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 42.9GB. * TraceAbstraction took 13.34ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 42.9GB. * BuchiAutomizer took 1684.22ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.0GB in the end (delta: 51.0MB). Peak memory consumption was 40.8MB. Max. memory is 42.9GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function y and consists of 3 locations. One nondeterministic module has affine ranking function 2 * x + 1 and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 6 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax182 hnf100 lsp38 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq155 hnf93 smp100 dnf100 smp100 tf113 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-02-13 03:40:42,072 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-02-13 03:40:42,292 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-02-13 03:40:42,489 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-02-13 03:40:42,699 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (1)] Ended with exit code 0 Received shutdown request...