YES This is Ultimate 0.2.2-dev-e7f90c1-m [2023-02-13 03:41:16,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-13 03:41:16,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-13 03:41:16,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-13 03:41:16,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-13 03:41:16,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-13 03:41:16,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-13 03:41:16,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-13 03:41:16,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-13 03:41:16,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-13 03:41:16,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-13 03:41:16,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-13 03:41:16,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-13 03:41:16,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-13 03:41:16,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-13 03:41:16,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-13 03:41:16,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-13 03:41:16,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-13 03:41:16,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-13 03:41:16,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-13 03:41:16,104 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2023-02-13 03:41:16,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-13 03:41:16,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-13 03:41:16,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-13 03:41:16,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-13 03:41:16,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-13 03:41:16,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-13 03:41:16,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-13 03:41:16,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-13 03:41:16,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-13 03:41:16,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-13 03:41:16,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-13 03:41:16,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-13 03:41:16,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-13 03:41:16,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-13 03:41:16,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-13 03:41:16,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-13 03:41:16,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-13 03:41:16,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-13 03:41:16,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-13 03:41:16,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-13 03:41:16,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-13 03:41:16,114 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/Ultimate/./../termcomp2017.epf [2023-02-13 03:41:16,125 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-13 03:41:16,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-13 03:41:16,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-13 03:41:16,126 INFO L138 SettingsManager]: * Rewrite not-equals=true [2023-02-13 03:41:16,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-13 03:41:16,126 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:41:16,126 INFO L138 SettingsManager]: * Use SBE=true [2023-02-13 03:41:16,126 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-13 03:41:16,126 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-13 03:41:16,126 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-13 03:41:16,126 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2023-02-13 03:41:16,126 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-13 03:41:16,126 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-13 03:41:16,127 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2023-02-13 03:41:16,127 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:16,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-13 03:41:16,127 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-13 03:41:16,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-13 03:41:16,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-13 03:41:16,127 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-13 03:41:16,127 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2023-02-13 03:41:16,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-13 03:41:16,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-13 03:41:16,127 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2023-02-13 03:41:16,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:41:16,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-13 03:41:16,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-13 03:41:16,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-13 03:41:16,128 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-02-13 03:41:16,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-13 03:41:16,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-13 03:41:16,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-13 03:41:16,269 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-13 03:41:16,270 INFO L275 PluginConnector]: CDTParser initialized [2023-02-13 03:41:16,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:41:16,315 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/6df86faaa47d450c95f2b582070d4f1e/FLAG02e882fa5 [2023-02-13 03:41:16,663 INFO L306 CDTParser]: Found 1 translation units. [2023-02-13 03:41:16,664 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:41:16,667 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/6df86faaa47d450c95f2b582070d4f1e/FLAG02e882fa5 [2023-02-13 03:41:17,112 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/6df86faaa47d450c95f2b582070d4f1e [2023-02-13 03:41:17,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-13 03:41:17,118 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2023-02-13 03:41:17,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-13 03:41:17,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-13 03:41:17,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-13 03:41:17,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e8bfc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17, skipping insertion in model container [2023-02-13 03:41:17,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-13 03:41:17,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-13 03:41:17,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:41:17,234 INFO L203 MainTranslator]: Completed pre-run [2023-02-13 03:41:17,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:41:17,247 INFO L208 MainTranslator]: Completed translation [2023-02-13 03:41:17,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17 WrapperNode [2023-02-13 03:41:17,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-13 03:41:17,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-13 03:41:17,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-13 03:41:17,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-13 03:41:17,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,274 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2023-02-13 03:41:17,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-13 03:41:17,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-13 03:41:17,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-13 03:41:17,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-13 03:41:17,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-13 03:41:17,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-13 03:41:17,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-13 03:41:17,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-13 03:41:17,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:41:17,303 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:17,313 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 03:41:17,317 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 03:41:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-13 03:41:17,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-13 03:41:17,423 INFO L234 CfgBuilder]: Building ICFG [2023-02-13 03:41:17,424 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-13 03:41:17,480 INFO L275 CfgBuilder]: Performing block encoding [2023-02-13 03:41:17,488 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-13 03:41:17,489 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-13 03:41:17,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:41:17 BoogieIcfgContainer [2023-02-13 03:41:17,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-13 03:41:17,494 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2023-02-13 03:41:17,494 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2023-02-13 03:41:17,496 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2023-02-13 03:41:17,497 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:41:17" (1/1) ... [2023-02-13 03:41:17,513 INFO L313 BlockEncoder]: Initial Icfg 11 locations, 14 edges [2023-02-13 03:41:17,514 INFO L258 BlockEncoder]: Using Remove infeasible edges [2023-02-13 03:41:17,515 INFO L263 BlockEncoder]: Using Maximize final states [2023-02-13 03:41:17,515 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2023-02-13 03:41:17,515 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:41:17,516 INFO L296 BlockEncoder]: Using Remove sink states [2023-02-13 03:41:17,517 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2023-02-13 03:41:17,517 INFO L179 BlockEncoder]: Using Rewrite not-equals [2023-02-13 03:41:17,535 INFO L185 BlockEncoder]: Using Use SBE [2023-02-13 03:41:17,542 INFO L200 BlockEncoder]: SBE split 0 edges [2023-02-13 03:41:17,546 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2023-02-13 03:41:17,547 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:41:17,554 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2023-02-13 03:41:17,555 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2023-02-13 03:41:17,556 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2023-02-13 03:41:17,556 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:41:17,556 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2023-02-13 03:41:17,556 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2023-02-13 03:41:17,556 INFO L313 BlockEncoder]: Encoded RCFG 6 locations, 8 edges [2023-02-13 03:41:17,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:41:17 BasicIcfg [2023-02-13 03:41:17,557 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2023-02-13 03:41:17,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-13 03:41:17,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-13 03:41:17,560 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-13 03:41:17,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.02 03:41:17" (1/4) ... [2023-02-13 03:41:17,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19affae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:41:17, skipping insertion in model container [2023-02-13 03:41:17,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (2/4) ... [2023-02-13 03:41:17,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19affae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:41:17, skipping insertion in model container [2023-02-13 03:41:17,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:41:17" (3/4) ... [2023-02-13 03:41:17,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19affae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:41:17, skipping insertion in model container [2023-02-13 03:41:17,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:41:17" (4/4) ... [2023-02-13 03:41:17,562 INFO L111 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:41:17,570 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2023-02-13 03:41:17,571 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-13 03:41:17,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19affae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:41:17, skipping insertion in model container [2023-02-13 03:41:17,571 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-13 03:41:17,572 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-13 03:41:17,572 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-13 03:41:17,573 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-13 03:41:17,574 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:41:17,574 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.02 03:41:17" (1/4) ... [2023-02-13 03:41:17,574 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@310f247b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:41:17, skipping insertion in model container [2023-02-13 03:41:17,574 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:41:17,574 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:17" (2/4) ... [2023-02-13 03:41:17,575 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@310f247b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:41:17, skipping insertion in model container [2023-02-13 03:41:17,575 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:41:17,575 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:41:17" (3/4) ... [2023-02-13 03:41:17,575 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@310f247b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:41:17, skipping insertion in model container [2023-02-13 03:41:17,575 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:41:17,575 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:41:17" (4/4) ... [2023-02-13 03:41:17,576 INFO L322 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:41:17,602 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2023-02-13 03:41:17,602 INFO L302 stractBuchiCegarLoop]: Hoare is true [2023-02-13 03:41:17,602 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-13 03:41:17,602 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-13 03:41:17,602 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-13 03:41:17,602 INFO L306 stractBuchiCegarLoop]: Difference is false [2023-02-13 03:41:17,602 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-13 03:41:17,602 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-13 03:41:17,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. 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 03:41:17,614 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-02-13 03:41:17,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:41:17,614 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:41:17,617 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:41:17,617 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-02-13 03:41:17,617 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-13 03:41:17,617 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. 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 03:41:17,618 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-02-13 03:41:17,618 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:41:17,618 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:41:17,618 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:41:17,618 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-02-13 03:41:17,621 INFO L733 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [50] ULTIMATE.startENTRY-->L17-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~nondetPos~0#1=|v_ULTIMATE.start_main_~nondetPos~0#1_9|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_8|, ULTIMATE.start_main_~nondetNat~0#1=|v_ULTIMATE.start_main_~nondetNat~0#1_8|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_4|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_4|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_8|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_4|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~nondetPos~0#1, ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~nondetNat~0#1, ULTIMATE.start_main_#t~nondet3#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_#t~nondet2#1, ULTIMATE.start_main_#t~nondet0#1] 3#L17-2true [2023-02-13 03:41:17,621 INFO L735 eck$LassoCheckResult]: Loop: 3#L17-2true [36] L17-2-->L19: Formula: (and (= |v_ULTIMATE.start_main_#t~nondet2#1_3| |v_ULTIMATE.start_main_~nondetNat~0#1_3|) (<= (+ |v_ULTIMATE.start_main_~j~0#1_5| 1) |v_ULTIMATE.start_main_~i~0#1_5|)) InVars {ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_5|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_5|, ULTIMATE.start_main_#t~nondet2#1=|v_ULTIMATE.start_main_#t~nondet2#1_3|} OutVars{ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_5|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_5|, ULTIMATE.start_main_~nondetNat~0#1=|v_ULTIMATE.start_main_~nondetNat~0#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~nondetNat~0#1, ULTIMATE.start_main_#t~nondet2#1] 6#L19true [48] L19-->L19-2: Formula: (>= |v_ULTIMATE.start_main_~nondetNat~0#1_6| 0) InVars {ULTIMATE.start_main_~nondetNat~0#1=|v_ULTIMATE.start_main_~nondetNat~0#1_6|} OutVars{ULTIMATE.start_main_~nondetNat~0#1=|v_ULTIMATE.start_main_~nondetNat~0#1_6|} AuxVars[] AssignedVars[] 2#L19-2true [33] L19-2-->L24: Formula: (and (= (+ |v_ULTIMATE.start_main_~i~0#1_7| (* (- 1) |v_ULTIMATE.start_main_~nondetNat~0#1_7|)) |v_ULTIMATE.start_main_~i~0#1_6|) (= |v_ULTIMATE.start_main_#t~nondet3#1_3| |v_ULTIMATE.start_main_~nondetPos~0#1_3|)) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_7|, ULTIMATE.start_main_~nondetNat~0#1=|v_ULTIMATE.start_main_~nondetNat~0#1_7|, ULTIMATE.start_main_#t~nondet3#1=|v_ULTIMATE.start_main_#t~nondet3#1_3|} OutVars{ULTIMATE.start_main_~nondetPos~0#1=|v_ULTIMATE.start_main_~nondetPos~0#1_3|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_6|, ULTIMATE.start_main_~nondetNat~0#1=|v_ULTIMATE.start_main_~nondetNat~0#1_7|} AuxVars[] AssignedVars[ULTIMATE.start_main_~nondetPos~0#1, ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_#t~nondet3#1] 7#L24true [49] L24-->L24-2: Formula: (>= |v_ULTIMATE.start_main_~nondetPos~0#1_6| 0) InVars {ULTIMATE.start_main_~nondetPos~0#1=|v_ULTIMATE.start_main_~nondetPos~0#1_6|} OutVars{ULTIMATE.start_main_~nondetPos~0#1=|v_ULTIMATE.start_main_~nondetPos~0#1_6|} AuxVars[] AssignedVars[] 5#L24-2true [39] L24-2-->L17-2: Formula: (and (= |v_ULTIMATE.start_main_~nondetPos~0#1_7| (+ |v_ULTIMATE.start_main_~nondetPos~0#1_8| 1)) (= (+ |v_ULTIMATE.start_main_~nondetPos~0#1_7| |v_ULTIMATE.start_main_~j~0#1_7|) |v_ULTIMATE.start_main_~j~0#1_6|)) InVars {ULTIMATE.start_main_~nondetPos~0#1=|v_ULTIMATE.start_main_~nondetPos~0#1_8|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_7|} OutVars{ULTIMATE.start_main_~nondetPos~0#1=|v_ULTIMATE.start_main_~nondetPos~0#1_7|, ULTIMATE.start_main_~j~0#1=|v_ULTIMATE.start_main_~j~0#1_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~nondetPos~0#1, ULTIMATE.start_main_~j~0#1] 3#L17-2true [2023-02-13 03:41:17,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:17,624 INFO L85 PathProgramCache]: Analyzing trace with hash 81, now seen corresponding path program 1 times [2023-02-13 03:41:17,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:17,630 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268364967] [2023-02-13 03:41:17,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:17,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:17,672 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:17,682 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:17,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:17,684 INFO L85 PathProgramCache]: Analyzing trace with hash 63339146, now seen corresponding path program 1 times [2023-02-13 03:41:17,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:17,684 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885670674] [2023-02-13 03:41:17,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:17,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:17,693 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:17,698 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:17,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:17,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1941296070, now seen corresponding path program 1 times [2023-02-13 03:41:17,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:17,700 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438280693] [2023-02-13 03:41:17,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:17,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:17,705 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:17,710 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:17,773 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:41:17,774 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:41:17,774 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:41:17,774 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:41:17,774 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:41:17,774 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:17,774 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:41:17,774 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:41:17,774 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2023-02-13 03:41:17,774 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:41:17,774 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:41:17,782 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 03:41:17,790 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 03:41:17,792 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 03:41:17,850 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:41:17,850 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:41:17,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:17,852 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:17,852 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 03:41:17,855 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 03:41:17,857 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:17,857 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:17,868 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:41:17,868 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 03:41:17,886 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 03:41:17,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:17,887 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:17,888 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 03:41:17,889 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 03:41:17,889 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:17,889 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:17,899 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:41:17,899 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 03:41:17,918 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 03:41:17,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:17,919 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:17,920 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 03:41:17,922 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 03:41:17,925 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:17,925 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:17,962 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 03:41:17,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:17,963 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:17,965 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 03:41:17,967 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 03:41:17,969 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:41:17,969 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:20,647 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:41:20,650 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 03:41:20,650 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:41:20,651 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:41:20,651 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:41:20,651 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:41:20,665 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:41:20,666 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:20,666 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:41:20,666 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:41:20,666 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2023-02-13 03:41:20,666 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:41:20,667 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:41:20,668 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 03:41:20,670 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 03:41:20,671 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 03:41:20,730 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:41:20,733 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:41:20,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:20,734 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:20,735 INFO L229 MonitoredProcess]: Starting monitored process 6 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 03:41:20,742 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-02-13 03:41:20,742 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 03:41:20,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:20,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:20,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:20,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:20,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:41:20,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:41:20,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:41:20,767 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-02-13 03:41:20,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:20,768 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:20,769 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 03:41:20,773 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 03:41:20,773 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 03:41:20,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:20,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:20,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:20,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:20,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:41:20,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:41:20,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:41:20,795 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 03:41:20,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:20,795 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:20,796 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 03:41:20,797 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 03:41:20,797 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 03:41:20,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:20,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:41:20,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:20,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:20,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:20,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:41:20,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:41:20,812 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:41:20,818 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-02-13 03:41:20,818 INFO L444 ModelExtractionUtils]: 4 out of 8 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-13 03:41:20,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:20,819 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:20,820 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 03:41:20,821 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 03:41:20,821 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:41:20,821 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:41:20,821 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:41:20,822 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~j~0#1 + 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-02-13 03:41:20,836 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 03:41:20,839 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:41:20,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:41:20,864 WARN L261 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:41:20,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:41:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:41:20,871 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-13 03:41:20,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:41:20,919 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 03:41:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:41:20,957 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-13 03:41:20,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:41:20,999 INFO L100 LoopCannibalizer]: 5 predicates before loop cannibalization 6 predicates after loop cannibalization [2023-02-13 03:41:21,002 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 6 loop predicates [2023-02-13 03:41:21,004 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First 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) Second operand has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 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 03:41:21,109 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First 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). Second operand has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 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 15 states and 22 transitions. Complement of second has 15 states. [2023-02-13 03:41:21,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 6 non-accepting loop states 2 accepting loop states [2023-02-13 03:41:21,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 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 03:41:21,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 20 transitions. [2023-02-13 03:41:21,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 20 transitions. Stem has 1 letters. Loop has 5 letters. [2023-02-13 03:41:21,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:21,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 20 transitions. Stem has 6 letters. Loop has 5 letters. [2023-02-13 03:41:21,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:21,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 20 transitions. Stem has 1 letters. Loop has 10 letters. [2023-02-13 03:41:21,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:21,120 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 22 transitions. [2023-02-13 03:41:21,121 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-13 03:41:21,123 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2023-02-13 03:41:21,124 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-13 03:41:21,124 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-13 03:41:21,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-13 03:41:21,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-13 03:41:21,124 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:41:21,124 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:41:21,124 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:41:21,124 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-13 03:41:21,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-13 03:41:21,124 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-13 03:41:21,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-13 03:41:21,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:41:21 BasicIcfg [2023-02-13 03:41:21,128 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-13 03:41:21,129 INFO L158 Benchmark]: Toolchain (without parser) took 4011.54ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 51.3MB). Peak memory consumption was 49.0MB. Max. memory is 42.9GB. [2023-02-13 03:41:21,129 INFO L158 Benchmark]: CDTParser took 0.09ms. 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 03:41:21,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 128.29ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:41:21,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.48ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:41:21,130 INFO L158 Benchmark]: Boogie Preprocessor took 9.54ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:41:21,130 INFO L158 Benchmark]: RCFGBuilder took 208.63ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:41:21,130 INFO L158 Benchmark]: BlockEncodingV2 took 63.22ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:41:21,130 INFO L158 Benchmark]: TraceAbstraction took 13.31ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:41:21,131 INFO L158 Benchmark]: BuchiAutomizer took 3556.82ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 20.5MB). Peak memory consumption was 15.5MB. Max. memory is 42.9GB. [2023-02-13 03:41:21,133 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 11 locations, 14 edges - StatisticsResult: Encoded RCFG 6 locations, 8 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 2.1GB. Free memory is still 2.1GB. There was no memory consumed. Max. memory is 42.9GB. * CACSL2BoogieTranslator took 128.29ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * Boogie Procedure Inliner took 25.48ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 42.9GB. * Boogie Preprocessor took 9.54ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * RCFGBuilder took 208.63ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * BlockEncodingV2 took 63.22ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 42.9GB. * TraceAbstraction took 13.31ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * BuchiAutomizer took 3556.82ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 20.5MB). Peak memory consumption was 15.5MB. 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 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function -1 * j + i and consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 8 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital33 mio100 ax136 hnf100 lsp73 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq172 hnf92 smp100 dnf100 smp100 tf103 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.7s 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 03:41:21,156 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-02-13 03:41:21,377 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...