YES This is Ultimate 0.2.2-dev-e7f90c1-m [2023-02-13 03:41:30,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-13 03:41:30,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-13 03:41:30,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-13 03:41:30,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-13 03:41:30,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-13 03:41:30,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-13 03:41:30,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-13 03:41:30,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-13 03:41:30,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-13 03:41:30,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-13 03:41:30,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-13 03:41:30,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-13 03:41:30,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-13 03:41:30,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-13 03:41:30,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-13 03:41:30,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-13 03:41:30,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-13 03:41:30,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-13 03:41:30,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-13 03:41:30,946 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2023-02-13 03:41:30,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-13 03:41:30,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-13 03:41:30,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-13 03:41:30,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-13 03:41:30,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-13 03:41:30,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-13 03:41:30,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-13 03:41:30,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-13 03:41:30,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-13 03:41:30,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-13 03:41:30,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-13 03:41:30,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-13 03:41:30,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-13 03:41:30,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-13 03:41:30,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-13 03:41:30,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-13 03:41:30,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-13 03:41:30,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-13 03:41:30,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-13 03:41:30,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-13 03:41:30,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-13 03:41:30,954 INFO L101 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/Ultimate/./../termcomp2017.epf [2023-02-13 03:41:30,965 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-13 03:41:30,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-13 03:41:30,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-13 03:41:30,966 INFO L138 SettingsManager]: * Rewrite not-equals=true [2023-02-13 03:41:30,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-13 03:41:30,966 INFO L138 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:41:30,966 INFO L138 SettingsManager]: * Use SBE=true [2023-02-13 03:41:30,966 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-13 03:41:30,966 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-13 03:41:30,967 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-13 03:41:30,967 INFO L138 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2023-02-13 03:41:30,967 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-13 03:41:30,967 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-13 03:41:30,967 INFO L138 SettingsManager]: * Construct termination proof for TermComp=true [2023-02-13 03:41:30,967 INFO L138 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:30,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-13 03:41:30,967 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-13 03:41:30,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-13 03:41:30,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-13 03:41:30,967 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-13 03:41:30,967 INFO L138 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2023-02-13 03:41:30,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-13 03:41:30,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-13 03:41:30,968 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2023-02-13 03:41:30,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:41:30,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-13 03:41:30,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-13 03:41:30,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-13 03:41:30,968 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-02-13 03:41:31,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-13 03:41:31,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-13 03:41:31,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-13 03:41:31,102 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-13 03:41:31,102 INFO L275 PluginConnector]: CDTParser initialized [2023-02-13 03:41:31,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:41:31,152 INFO L220 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/d655e7cccc194cf7bf0d399762c55ce3/FLAG6ebbf90ab [2023-02-13 03:41:31,491 INFO L306 CDTParser]: Found 1 translation units. [2023-02-13 03:41:31,492 INFO L160 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2023-02-13 03:41:31,497 INFO L349 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/d655e7cccc194cf7bf0d399762c55ce3/FLAG6ebbf90ab [2023-02-13 03:41:31,945 INFO L357 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/d655e7cccc194cf7bf0d399762c55ce3 [2023-02-13 03:41:31,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-13 03:41:31,950 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2023-02-13 03:41:31,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-13 03:41:31,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-13 03:41:31,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-13 03:41:31,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:41:31" (1/1) ... [2023-02-13 03:41:31,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef8824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:31, skipping insertion in model container [2023-02-13 03:41:31,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.02 03:41:31" (1/1) ... [2023-02-13 03:41:31,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-13 03:41:31,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-13 03:41:32,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:41:32,054 INFO L203 MainTranslator]: Completed pre-run [2023-02-13 03:41:32,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-13 03:41:32,067 INFO L208 MainTranslator]: Completed translation [2023-02-13 03:41:32,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:32 WrapperNode [2023-02-13 03:41:32,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-13 03:41:32,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-13 03:41:32,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-13 03:41:32,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-13 03:41:32,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:32" (1/1) ... [2023-02-13 03:41:32,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:32" (1/1) ... [2023-02-13 03:41:32,082 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2023-02-13 03:41:32,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-13 03:41:32,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-13 03:41:32,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-13 03:41:32,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-13 03:41:32,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:32" (1/1) ... [2023-02-13 03:41:32,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:32" (1/1) ... [2023-02-13 03:41:32,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:32" (1/1) ... [2023-02-13 03:41:32,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:32" (1/1) ... [2023-02-13 03:41:32,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:32" (1/1) ... [2023-02-13 03:41:32,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:32" (1/1) ... [2023-02-13 03:41:32,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:32" (1/1) ... [2023-02-13 03:41:32,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-13 03:41:32,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-13 03:41:32,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-13 03:41:32,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-13 03:41:32,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:32" (1/1) ... [2023-02-13 03:41:32,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2023-02-13 03:41:32,102 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:32,113 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 03:41:32,117 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 03:41:32,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-13 03:41:32,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-13 03:41:32,203 INFO L234 CfgBuilder]: Building ICFG [2023-02-13 03:41:32,204 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-13 03:41:32,276 INFO L275 CfgBuilder]: Performing block encoding [2023-02-13 03:41:32,282 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-13 03:41:32,283 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-13 03:41:32,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:41:32 BoogieIcfgContainer [2023-02-13 03:41:32,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-13 03:41:32,285 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2023-02-13 03:41:32,285 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2023-02-13 03:41:32,286 INFO L275 PluginConnector]: BlockEncodingV2 initialized [2023-02-13 03:41:32,287 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:41:32" (1/1) ... [2023-02-13 03:41:32,297 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 12 edges [2023-02-13 03:41:32,298 INFO L258 BlockEncoder]: Using Remove infeasible edges [2023-02-13 03:41:32,298 INFO L263 BlockEncoder]: Using Maximize final states [2023-02-13 03:41:32,298 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2023-02-13 03:41:32,299 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2023-02-13 03:41:32,299 INFO L296 BlockEncoder]: Using Remove sink states [2023-02-13 03:41:32,299 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2023-02-13 03:41:32,299 INFO L179 BlockEncoder]: Using Rewrite not-equals [2023-02-13 03:41:32,306 INFO L185 BlockEncoder]: Using Use SBE [2023-02-13 03:41:32,311 INFO L200 BlockEncoder]: SBE split 2 edges [2023-02-13 03:41:32,313 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility [2023-02-13 03:41:32,314 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:41:32,317 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2023-02-13 03:41:32,318 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2023-02-13 03:41:32,318 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2023-02-13 03:41:32,319 INFO L71 MaximizeFinalStates]: 0 new accepting states [2023-02-13 03:41:32,319 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2023-02-13 03:41:32,319 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2023-02-13 03:41:32,319 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 6 edges [2023-02-13 03:41:32,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:41:32 BasicIcfg [2023-02-13 03:41:32,319 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2023-02-13 03:41:32,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-13 03:41:32,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-13 03:41:32,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-13 03:41:32,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.02 03:41:31" (1/4) ... [2023-02-13 03:41:32,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570def7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:41:32, skipping insertion in model container [2023-02-13 03:41:32,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:32" (2/4) ... [2023-02-13 03:41:32,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570def7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.02 03:41:32, skipping insertion in model container [2023-02-13 03:41:32,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:41:32" (3/4) ... [2023-02-13 03:41:32,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570def7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:41:32, skipping insertion in model container [2023-02-13 03:41:32,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:41:32" (4/4) ... [2023-02-13 03:41:32,324 INFO L111 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:41:32,333 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2023-02-13 03:41:32,333 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-13 03:41:32,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@570def7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.02 03:41:32, skipping insertion in model container [2023-02-13 03:41:32,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-13 03:41:32,334 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-13 03:41:32,334 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-13 03:41:32,336 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-13 03:41:32,336 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:41:32,336 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.02 03:41:31" (1/4) ... [2023-02-13 03:41:32,336 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@423633cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:41:32, skipping insertion in model container [2023-02-13 03:41:32,337 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:41:32,337 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.02 03:41:32" (2/4) ... [2023-02-13 03:41:32,337 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@423633cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.02 03:41:32, skipping insertion in model container [2023-02-13 03:41:32,337 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:41:32,337 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.02 03:41:32" (3/4) ... [2023-02-13 03:41:32,337 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@423633cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:41:32, skipping insertion in model container [2023-02-13 03:41:32,337 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-13 03:41:32,337 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 13.02 03:41:32" (4/4) ... [2023-02-13 03:41:32,338 INFO L322 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2023-02-13 03:41:32,367 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2023-02-13 03:41:32,367 INFO L302 stractBuchiCegarLoop]: Hoare is true [2023-02-13 03:41:32,368 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-13 03:41:32,368 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-13 03:41:32,368 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-13 03:41:32,368 INFO L306 stractBuchiCegarLoop]: Difference is false [2023-02-13 03:41:32,368 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-13 03:41:32,368 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-13 03:41:32,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 4 states, 4 states have (on average 1.5) 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 03:41:32,381 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-13 03:41:32,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:41:32,381 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:41:32,384 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:41:32,384 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-13 03:41:32,384 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-13 03:41:32,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 4 states, 4 states have (on average 1.5) 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 03:41:32,385 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-13 03:41:32,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:41:32,385 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:41:32,385 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2023-02-13 03:41:32,385 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-13 03:41:32,388 INFO L733 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [50] ULTIMATE.startENTRY-->L13-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_7|, ULTIMATE.start_main_~tmp~0#1=|v_ULTIMATE.start_main_~tmp~0#1_5|, 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_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_8|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~tmp~0#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_~xtmp~0#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_#t~nondet0#1] 4#L13-2true [2023-02-13 03:41:32,388 INFO L735 eck$LassoCheckResult]: Loop: 4#L13-2true [38] L13-2-->L17-2: Formula: (and (= |v_ULTIMATE.start_main_~tmp~0#1_4| |v_ULTIMATE.start_main_~y~0#1_8|) (< 0 |v_ULTIMATE.start_main_~x~0#1_6|) (= |v_ULTIMATE.start_main_~xtmp~0#1_7| |v_ULTIMATE.start_main_~x~0#1_6|) (< 0 |v_ULTIMATE.start_main_~y~0#1_8|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, 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_6|, ULTIMATE.start_main_~tmp~0#1=|v_ULTIMATE.start_main_~tmp~0#1_4|, ULTIMATE.start_main_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_7|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~tmp~0#1, ULTIMATE.start_main_~xtmp~0#1] 2#L17-2true [48] L17-2-->L17-3: Formula: (> |v_ULTIMATE.start_main_~y~0#1_4| |v_ULTIMATE.start_main_~xtmp~0#1_3|) InVars {ULTIMATE.start_main_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_3|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_4|} OutVars{ULTIMATE.start_main_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_3|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_4|} AuxVars[] AssignedVars[] 5#L17-3true [42] L17-3-->L13-2: Formula: (and (= |v_ULTIMATE.start_main_~xtmp~0#1_6| |v_ULTIMATE.start_main_~y~0#1_6|) (= |v_ULTIMATE.start_main_~tmp~0#1_3| |v_ULTIMATE.start_main_~x~0#1_4|)) InVars {ULTIMATE.start_main_~tmp~0#1=|v_ULTIMATE.start_main_~tmp~0#1_3|, ULTIMATE.start_main_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_6|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_4|, ULTIMATE.start_main_~tmp~0#1=|v_ULTIMATE.start_main_~tmp~0#1_3|, ULTIMATE.start_main_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1] 4#L13-2true [2023-02-13 03:41:32,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:32,391 INFO L85 PathProgramCache]: Analyzing trace with hash 81, now seen corresponding path program 1 times [2023-02-13 03:41:32,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:32,397 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533991371] [2023-02-13 03:41:32,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:32,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:32,440 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:32,450 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:32,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:32,452 INFO L85 PathProgramCache]: Analyzing trace with hash 67839, now seen corresponding path program 1 times [2023-02-13 03:41:32,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:32,452 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179252513] [2023-02-13 03:41:32,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:32,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:32,460 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:32,465 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:32,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:32,466 INFO L85 PathProgramCache]: Analyzing trace with hash 2451119, now seen corresponding path program 1 times [2023-02-13 03:41:32,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:32,466 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795042755] [2023-02-13 03:41:32,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:32,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:32,471 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:32,476 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:32,525 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:41:32,526 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:41:32,526 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:41:32,526 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:41:32,526 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:41:32,526 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:32,526 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:41:32,526 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:41:32,526 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2023-02-13 03:41:32,526 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:41:32,526 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:41:32,534 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 03:41:32,542 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 03:41:32,544 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 03:41:32,587 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:41:32,587 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:41:32,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:32,589 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:32,590 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 03:41:32,593 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 03:41:32,593 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:32,593 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:32,605 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:41:32,605 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 03:41:32,621 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 03:41:32,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:32,622 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:32,622 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 03:41:32,623 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 03:41:32,623 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:32,623 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:32,631 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:41:32,631 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 03:41:32,645 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 03:41:32,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:32,646 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:32,647 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 03:41:32,647 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 03:41:32,649 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:32,649 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:32,683 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 03:41:32,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:32,684 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:32,684 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 03:41:32,685 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 03:41:32,685 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:41:32,686 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:35,458 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:41:35,461 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-02-13 03:41:35,461 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:41:35,462 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:41:35,462 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:41:35,462 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:41:35,462 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:41:35,462 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:35,462 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:41:35,462 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:41:35,462 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2023-02-13 03:41:35,462 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:41:35,462 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:41:35,463 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 03:41:35,468 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 03:41:35,473 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 03:41:35,550 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:41:35,553 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:41:35,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:35,555 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:35,556 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 03:41:35,560 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 03:41:35,561 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 03:41:35,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:35,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:35,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:35,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:35,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:41:35,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:41:35,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:41:35,589 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 03:41:35,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:35,589 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:35,590 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 03:41:35,590 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 03:41:35,591 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 03:41:35,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:35,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:35,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:35,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:35,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:41:35,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:41:35,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:41:35,620 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 03:41:35,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:35,620 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:35,621 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 03:41:35,622 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 03:41:35,623 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 03:41:35,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:35,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:41:35,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:35,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:35,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:35,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:41:35,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:41:35,631 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:41:35,653 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-13 03:41:35,653 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-02-13 03:41:35,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:35,655 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:35,656 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 03:41:35,658 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 03:41:35,658 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:41:35,658 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:41:35,658 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:41:35,659 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 03:41:35,675 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 03:41:35,679 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:41:35,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:41:35,705 WARN L261 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:41:35,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:41:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:41:35,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-13 03:41:35,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:41:35,771 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 03:41:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:35,809 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:41:35,809 INFO L100 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization [2023-02-13 03:41:35,812 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 3 loop predicates [2023-02-13 03:41:35,813 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand has 4 states, 4 states have (on average 1.5) 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) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 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 03:41:35,864 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand has 4 states, 4 states have (on average 1.5) 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). Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 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) Result 27 states and 42 transitions. Complement of second has 13 states. [2023-02-13 03:41:35,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 2 accepting loop states [2023-02-13 03:41:35,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 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 03:41:35,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 23 transitions. [2023-02-13 03:41:35,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 23 transitions. Stem has 1 letters. Loop has 3 letters. [2023-02-13 03:41:35,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:35,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 23 transitions. Stem has 4 letters. Loop has 3 letters. [2023-02-13 03:41:35,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:35,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 23 transitions. Stem has 1 letters. Loop has 6 letters. [2023-02-13 03:41:35,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:35,873 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 42 transitions. [2023-02-13 03:41:35,874 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2023-02-13 03:41:35,876 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 21 states and 33 transitions. [2023-02-13 03:41:35,877 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-02-13 03:41:35,877 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-02-13 03:41:35,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 33 transitions. [2023-02-13 03:41:35,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-13 03:41:35,877 INFO L220 hiAutomatonCegarLoop]: Abstraction has 21 states and 33 transitions. [2023-02-13 03:41:35,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 33 transitions. [2023-02-13 03:41:35,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 15. [2023-02-13 03:41:35,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 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 03:41:35,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 24 transitions. [2023-02-13 03:41:35,892 INFO L242 hiAutomatonCegarLoop]: Abstraction has 15 states and 24 transitions. [2023-02-13 03:41:35,892 INFO L426 stractBuchiCegarLoop]: Abstraction has 15 states and 24 transitions. [2023-02-13 03:41:35,892 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-13 03:41:35,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 24 transitions. [2023-02-13 03:41:35,892 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2023-02-13 03:41:35,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:41:35,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:41:35,893 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-13 03:41:35,893 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-02-13 03:41:35,893 INFO L733 eck$LassoCheckResult]: Stem: 92#ULTIMATE.startENTRY [50] ULTIMATE.startENTRY-->L13-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_7|, ULTIMATE.start_main_~tmp~0#1=|v_ULTIMATE.start_main_~tmp~0#1_5|, 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_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_8|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~tmp~0#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_~xtmp~0#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_#t~nondet0#1] 93#L13-2 [38] L13-2-->L17-2: Formula: (and (= |v_ULTIMATE.start_main_~tmp~0#1_4| |v_ULTIMATE.start_main_~y~0#1_8|) (< 0 |v_ULTIMATE.start_main_~x~0#1_6|) (= |v_ULTIMATE.start_main_~xtmp~0#1_7| |v_ULTIMATE.start_main_~x~0#1_6|) (< 0 |v_ULTIMATE.start_main_~y~0#1_8|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, 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_6|, ULTIMATE.start_main_~tmp~0#1=|v_ULTIMATE.start_main_~tmp~0#1_4|, ULTIMATE.start_main_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_7|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~tmp~0#1, ULTIMATE.start_main_~xtmp~0#1] 86#L17-2 [2023-02-13 03:41:35,893 INFO L735 eck$LassoCheckResult]: Loop: 86#L17-2 [34] L17-2-->L17-2: Formula: (and (<= |v_ULTIMATE.start_main_~y~0#1_5| |v_ULTIMATE.start_main_~xtmp~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|) (= (+ (* (- 1) |v_ULTIMATE.start_main_~y~0#1_5|) |v_ULTIMATE.start_main_~xtmp~0#1_5|) |v_ULTIMATE.start_main_~xtmp~0#1_4|)) InVars {ULTIMATE.start_main_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_~xtmp~0#1] 88#L17-2 [48] L17-2-->L17-3: Formula: (> |v_ULTIMATE.start_main_~y~0#1_4| |v_ULTIMATE.start_main_~xtmp~0#1_3|) InVars {ULTIMATE.start_main_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_3|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_4|} OutVars{ULTIMATE.start_main_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_3|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_4|} AuxVars[] AssignedVars[] 100#L17-3 [42] L17-3-->L13-2: Formula: (and (= |v_ULTIMATE.start_main_~xtmp~0#1_6| |v_ULTIMATE.start_main_~y~0#1_6|) (= |v_ULTIMATE.start_main_~tmp~0#1_3| |v_ULTIMATE.start_main_~x~0#1_4|)) InVars {ULTIMATE.start_main_~tmp~0#1=|v_ULTIMATE.start_main_~tmp~0#1_3|, ULTIMATE.start_main_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_6|} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_4|, ULTIMATE.start_main_~tmp~0#1=|v_ULTIMATE.start_main_~tmp~0#1_3|, ULTIMATE.start_main_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_6|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1] 98#L13-2 [38] L13-2-->L17-2: Formula: (and (= |v_ULTIMATE.start_main_~tmp~0#1_4| |v_ULTIMATE.start_main_~y~0#1_8|) (< 0 |v_ULTIMATE.start_main_~x~0#1_6|) (= |v_ULTIMATE.start_main_~xtmp~0#1_7| |v_ULTIMATE.start_main_~x~0#1_6|) (< 0 |v_ULTIMATE.start_main_~y~0#1_8|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, 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_6|, ULTIMATE.start_main_~tmp~0#1=|v_ULTIMATE.start_main_~tmp~0#1_4|, ULTIMATE.start_main_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_7|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~tmp~0#1, ULTIMATE.start_main_~xtmp~0#1] 86#L17-2 [2023-02-13 03:41:35,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:35,893 INFO L85 PathProgramCache]: Analyzing trace with hash 2549, now seen corresponding path program 1 times [2023-02-13 03:41:35,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:35,894 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283384950] [2023-02-13 03:41:35,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:35,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:35,897 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:35,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:35,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:35,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1983883, now seen corresponding path program 1 times [2023-02-13 03:41:35,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:35,899 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032875253] [2023-02-13 03:41:35,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:35,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:35,903 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:35,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:35,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:35,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:35,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1939851905, now seen corresponding path program 1 times [2023-02-13 03:41:35,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:35,907 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095234173] [2023-02-13 03:41:35,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:35,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:35,911 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:35,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:35,944 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:41:35,944 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:41:35,944 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:41:35,944 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:41:35,944 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:41:35,944 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:35,944 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:41:35,944 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:41:35,944 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2023-02-13 03:41:35,944 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:41:35,944 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:41:35,945 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 03:41:35,946 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 03:41:35,947 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 03:41:35,992 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:41:35,993 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:41:35,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:35,993 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:35,993 INFO L229 MonitoredProcess]: Starting monitored process 10 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 03:41:35,994 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-02-13 03:41:35,994 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:35,995 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:36,003 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:41:36,004 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 03:41:36,022 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-02-13 03:41:36,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:36,023 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:36,024 INFO L229 MonitoredProcess]: Starting monitored process 11 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 03:41:36,024 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-02-13 03:41:36,025 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:36,025 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:36,034 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:41:36,035 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-13 03:41:36,058 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-02-13 03:41:36,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:36,059 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:36,060 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 03:41:36,060 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 03:41:36,061 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:36,061 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:36,108 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-02-13 03:41:36,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:36,109 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:36,110 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 03:41:36,112 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 03:41:36,112 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:41:36,112 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:36,369 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:41:36,372 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-02-13 03:41:36,372 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:41:36,372 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:41:36,373 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:41:36,373 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:41:36,373 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:41:36,374 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:36,374 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:41:36,374 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:41:36,374 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2023-02-13 03:41:36,374 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:41:36,375 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:41:36,377 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 03:41:36,381 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 03:41:36,384 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 03:41:36,454 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:41:36,455 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:41:36,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:36,455 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:36,457 INFO L229 MonitoredProcess]: Starting monitored process 14 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 03:41:36,458 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-02-13 03:41:36,461 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 03:41:36,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:36,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:36,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:36,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:36,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:41:36,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:41:36,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:41:36,517 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-02-13 03:41:36,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:36,518 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:36,519 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 03:41:36,520 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 03:41:36,521 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 03:41:36,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:36,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:36,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:36,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:36,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:41:36,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:41:36,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:41:36,573 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 03:41:36,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:36,574 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:36,575 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 03:41:36,576 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 03:41:36,576 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 03:41:36,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:36,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:41:36,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:36,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:36,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:36,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:41:36,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:41:36,590 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:41:36,594 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-13 03:41:36,595 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-02-13 03:41:36,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:36,595 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:36,596 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 03:41:36,598 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 03:41:36,598 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:41:36,599 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:41:36,599 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:41:36,599 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 03:41:36,622 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 03:41:36,623 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:41:36,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:41:36,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:41:36,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:41:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:41:36,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-13 03:41:36,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:41:36,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-13 03:41:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:36,688 INFO L139 LoopCannibalizer]: termination argument not suffcient for all loop shiftings [2023-02-13 03:41:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:41:36,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-13 03:41:36,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:41:36,761 INFO L100 LoopCannibalizer]: 3 predicates before loop cannibalization 5 predicates after loop cannibalization [2023-02-13 03:41:36,761 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 5 loop predicates [2023-02-13 03:41:36,762 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 15 states and 24 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 1.2) 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 03:41:36,854 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 15 states and 24 transitions. cyclomatic complexity: 12. Second operand has 5 states, 5 states have (on average 1.2) 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 34 states and 62 transitions. Complement of second has 18 states. [2023-02-13 03:41:36,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 2 non-accepting loop states 2 accepting loop states [2023-02-13 03:41:36,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.2) 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 03:41:36,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. [2023-02-13 03:41:36,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 2 letters. Loop has 4 letters. [2023-02-13 03:41:36,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:36,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 6 letters. Loop has 4 letters. [2023-02-13 03:41:36,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:36,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 2 letters. Loop has 8 letters. [2023-02-13 03:41:36,861 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:36,863 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 62 transitions. [2023-02-13 03:41:36,867 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-13 03:41:36,871 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 19 states and 28 transitions. [2023-02-13 03:41:36,871 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-02-13 03:41:36,871 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-02-13 03:41:36,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 28 transitions. [2023-02-13 03:41:36,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-13 03:41:36,872 INFO L220 hiAutomatonCegarLoop]: Abstraction has 19 states and 28 transitions. [2023-02-13 03:41:36,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 28 transitions. [2023-02-13 03:41:36,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 15. [2023-02-13 03:41:36,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 14 states have internal predecessors, (23), 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 03:41:36,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 23 transitions. [2023-02-13 03:41:36,876 INFO L242 hiAutomatonCegarLoop]: Abstraction has 15 states and 23 transitions. [2023-02-13 03:41:36,876 INFO L426 stractBuchiCegarLoop]: Abstraction has 15 states and 23 transitions. [2023-02-13 03:41:36,876 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-13 03:41:36,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 23 transitions. [2023-02-13 03:41:36,877 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-13 03:41:36,877 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-13 03:41:36,877 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-13 03:41:36,878 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-02-13 03:41:36,878 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-13 03:41:36,878 INFO L733 eck$LassoCheckResult]: Stem: 208#ULTIMATE.startENTRY [50] ULTIMATE.startENTRY-->L13-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_7|, ULTIMATE.start_main_~tmp~0#1=|v_ULTIMATE.start_main_~tmp~0#1_5|, 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_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_8|, ULTIMATE.start_main_#t~nondet1#1=|v_ULTIMATE.start_main_#t~nondet1#1_3|, ULTIMATE.start_main_#t~nondet0#1=|v_ULTIMATE.start_main_#t~nondet0#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~tmp~0#1, ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_#res#1, ULTIMATE.start_main_~xtmp~0#1, ULTIMATE.start_main_#t~nondet1#1, ULTIMATE.start_main_#t~nondet0#1] 209#L13-2 [38] L13-2-->L17-2: Formula: (and (= |v_ULTIMATE.start_main_~tmp~0#1_4| |v_ULTIMATE.start_main_~y~0#1_8|) (< 0 |v_ULTIMATE.start_main_~x~0#1_6|) (= |v_ULTIMATE.start_main_~xtmp~0#1_7| |v_ULTIMATE.start_main_~x~0#1_6|) (< 0 |v_ULTIMATE.start_main_~y~0#1_8|)) InVars {ULTIMATE.start_main_~x~0#1=|v_ULTIMATE.start_main_~x~0#1_6|, 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_6|, ULTIMATE.start_main_~tmp~0#1=|v_ULTIMATE.start_main_~tmp~0#1_4|, ULTIMATE.start_main_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_7|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_~tmp~0#1, ULTIMATE.start_main_~xtmp~0#1] 210#L17-2 [34] L17-2-->L17-2: Formula: (and (<= |v_ULTIMATE.start_main_~y~0#1_5| |v_ULTIMATE.start_main_~xtmp~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|) (= (+ (* (- 1) |v_ULTIMATE.start_main_~y~0#1_5|) |v_ULTIMATE.start_main_~xtmp~0#1_5|) |v_ULTIMATE.start_main_~xtmp~0#1_4|)) InVars {ULTIMATE.start_main_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_~xtmp~0#1] 205#L17-2 [2023-02-13 03:41:36,879 INFO L735 eck$LassoCheckResult]: Loop: 205#L17-2 [34] L17-2-->L17-2: Formula: (and (<= |v_ULTIMATE.start_main_~y~0#1_5| |v_ULTIMATE.start_main_~xtmp~0#1_5|) (< 0 |v_ULTIMATE.start_main_~y~0#1_5|) (= (+ (* (- 1) |v_ULTIMATE.start_main_~y~0#1_5|) |v_ULTIMATE.start_main_~xtmp~0#1_5|) |v_ULTIMATE.start_main_~xtmp~0#1_4|)) InVars {ULTIMATE.start_main_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_5|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} OutVars{ULTIMATE.start_main_~xtmp~0#1=|v_ULTIMATE.start_main_~xtmp~0#1_4|, ULTIMATE.start_main_~y~0#1=|v_ULTIMATE.start_main_~y~0#1_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_~xtmp~0#1] 205#L17-2 [2023-02-13 03:41:36,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:36,879 INFO L85 PathProgramCache]: Analyzing trace with hash 79053, now seen corresponding path program 1 times [2023-02-13 03:41:36,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:36,880 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996017429] [2023-02-13 03:41:36,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:36,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:36,886 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:36,891 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:36,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:36,891 INFO L85 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times [2023-02-13 03:41:36,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:36,891 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498336887] [2023-02-13 03:41:36,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:36,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:36,894 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:36,896 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:36,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:36,896 INFO L85 PathProgramCache]: Analyzing trace with hash 2450677, now seen corresponding path program 2 times [2023-02-13 03:41:36,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-13 03:41:36,897 INFO L335 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104143876] [2023-02-13 03:41:36,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-13 03:41:36,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-13 03:41:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:36,901 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-13 03:41:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-13 03:41:36,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-13 03:41:36,923 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:41:36,923 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:41:36,924 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:41:36,924 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:41:36,924 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-13 03:41:36,924 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:36,924 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:41:36,925 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:41:36,925 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2023-02-13 03:41:36,925 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:41:36,925 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:41:36,927 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 03:41:36,929 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 03:41:36,934 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 03:41:36,965 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:41:36,965 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-13 03:41:36,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:36,966 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:36,968 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 03:41:36,970 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 03:41:36,971 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:36,971 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:36,988 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-13 03:41:36,989 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 03:41:37,015 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 03:41:37,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:37,016 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:37,018 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 03:41:37,019 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 03:41:37,020 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-13 03:41:37,020 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:37,073 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 03:41:37,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2023-02-13 03:41:37,074 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:37,075 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 03:41:37,077 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 03:41:37,078 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-13 03:41:37,078 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-13 03:41:37,174 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-13 03:41:37,176 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 03:41:37,176 INFO L210 LassoAnalysis]: Preferences: [2023-02-13 03:41:37,177 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-13 03:41:37,177 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-13 03:41:37,177 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-13 03:41:37,177 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-13 03:41:37,177 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:37,177 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-13 03:41:37,177 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-13 03:41:37,177 INFO L133 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2023-02-13 03:41:37,177 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-13 03:41:37,177 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-13 03:41:37,178 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 03:41:37,181 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 03:41:37,205 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 03:41:37,208 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 03:41:37,236 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-02-13 03:41:37,237 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-13 03:41:37,237 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-13 03:41:37,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:37,237 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:37,238 INFO L229 MonitoredProcess]: Starting monitored process 21 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 03:41:37,239 INFO L327 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-02-13 03:41:37,239 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 03:41:37,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:37,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:37,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:37,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:37,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-13 03:41:37,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-13 03:41:37,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-13 03:41:37,268 INFO L552 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-02-13 03:41:37,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:37,269 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:37,269 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 03:41:37,270 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 03:41:37,270 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 03:41:37,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-13 03:41:37,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-13 03:41:37,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-13 03:41:37,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-13 03:41:37,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-13 03:41:37,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-13 03:41:37,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-13 03:41:37,280 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-13 03:41:37,284 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-02-13 03:41:37,284 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2023-02-13 03:41:37,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-13 03:41:37,284 INFO L189 MonitoredProcess]: No working directory specified, using /export/starexec/sandbox/solver/Ultimate/z3 [2023-02-13 03:41:37,285 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 03:41:37,286 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-13 03:41:37,287 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 03:41:37,287 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-13 03:41:37,287 INFO L513 LassoAnalysis]: Proved termination. [2023-02-13 03:41:37,287 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~xtmp~0#1) = 1*ULTIMATE.start_main_~xtmp~0#1 Supporting invariants [] [2023-02-13 03:41:37,324 INFO L540 MonitoredProcess]: [MP /export/starexec/sandbox/solver/Ultimate/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-02-13 03:41:37,325 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-13 03:41:37,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-13 03:41:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:41:37,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-13 03:41:37,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:41:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-13 03:41:37,358 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2023-02-13 03:41:37,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-13 03:41:37,359 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 03:41:37,360 INFO L100 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2023-02-13 03:41:37,361 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 1 loop predicates [2023-02-13 03:41:37,361 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 15 states and 23 transitions. cyclomatic complexity: 11 Second operand has 2 states, 2 states have (on average 2.0) 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 03:41:37,383 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 15 states and 23 transitions. cyclomatic complexity: 11. Second operand has 2 states, 2 states have (on average 2.0) 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) Result 21 states and 29 transitions. Complement of second has 4 states. [2023-02-13 03:41:37,383 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 03:41:37,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) 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 03:41:37,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-02-13 03:41:37,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 1 letters. [2023-02-13 03:41:37,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:37,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 4 letters. Loop has 1 letters. [2023-02-13 03:41:37,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:37,387 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. [2023-02-13 03:41:37,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-13 03:41:37,388 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 29 transitions. [2023-02-13 03:41:37,389 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-13 03:41:37,390 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2023-02-13 03:41:37,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-13 03:41:37,390 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-13 03:41:37,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-13 03:41:37,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-13 03:41:37,390 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:41:37,391 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:41:37,391 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-13 03:41:37,391 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-02-13 03:41:37,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-13 03:41:37,391 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-13 03:41:37,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-13 03:41:37,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.02 03:41:37 BasicIcfg [2023-02-13 03:41:37,400 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-13 03:41:37,401 INFO L158 Benchmark]: Toolchain (without parser) took 5450.71ms. 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 10.0MB. Max. memory is 42.9GB. [2023-02-13 03:41:37,401 INFO L158 Benchmark]: CDTParser took 0.10ms. 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 03:41:37,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 115.31ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:41:37,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 14.90ms. 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 03:41:37,403 INFO L158 Benchmark]: Boogie Preprocessor took 8.55ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:41:37,403 INFO L158 Benchmark]: RCFGBuilder took 192.51ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:41:37,403 INFO L158 Benchmark]: BlockEncodingV2 took 34.44ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:41:37,404 INFO L158 Benchmark]: TraceAbstraction took 13.19ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. [2023-02-13 03:41:37,404 INFO L158 Benchmark]: BuchiAutomizer took 5066.65ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: -20.8MB). There was no memory consumed. Max. memory is 42.9GB. [2023-02-13 03:41:37,406 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 9 locations, 12 edges - StatisticsResult: Encoded RCFG 4 locations, 6 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 2.1GB. Free memory is still 2.1GB. There was no memory consumed. Max. memory is 42.9GB. * CACSL2BoogieTranslator took 115.31ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * Boogie Procedure Inliner took 14.90ms. 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 8.55ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * RCFGBuilder took 192.51ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * BlockEncodingV2 took 34.44ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 42.9GB. * TraceAbstraction took 13.19ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 42.9GB. * BuchiAutomizer took 5066.65ms. Allocated memory is still 2.1GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: -20.8MB). There was no memory consumed. 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 8 locations. One nondeterministic module has affine ranking function y and consists of 6 locations. One nondeterministic module has affine ranking function xtmp and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 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: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 10 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax160 hnf100 lsp62 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq167 hnf92 smp100 dnf100 smp100 tf106 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 3.3s 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 03:41:37,465 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 03:41:37,663 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...