/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf -i ../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:53:22,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:53:22,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:53:22,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-26 13:53:22,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:53:22,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:53:22,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:53:22,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:53:22,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:53:22,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:53:22,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:53:22,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:53:22,432 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:53:22,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:53:22,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:53:22,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:53:22,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:53:22,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 13:53:22,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:53:22,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:53:22,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:53:22,447 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-07-26 13:53:22,468 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:53:22,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:53:22,469 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:53:22,469 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:53:22,470 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:53:22,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:53:22,470 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:53:22,470 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:53:22,470 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:53:22,471 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:53:22,471 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:53:22,471 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:53:22,471 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:53:22,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:53:22,471 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:53:22,471 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:53:22,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:53:22,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:53:22,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:53:22,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:53:22,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:53:22,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:53:22,473 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:53:22,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:53:22,473 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:53:22,473 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:53:22,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:53:22,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:53:22,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:53:22,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:53:22,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:53:22,474 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:53:22,474 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:53:22,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:53:22,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:53:22,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:53:22,673 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:53:22,673 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:53:22,674 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2022-07-26 13:53:22,715 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4245c2cb/6b8065c66edd4666a9a080a31cd6bb6e/FLAG8764d5aa8 [2022-07-26 13:53:23,109 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:53:23,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2022-07-26 13:53:23,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4245c2cb/6b8065c66edd4666a9a080a31cd6bb6e/FLAG8764d5aa8 [2022-07-26 13:53:23,126 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4245c2cb/6b8065c66edd4666a9a080a31cd6bb6e [2022-07-26 13:53:23,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:53:23,129 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:53:23,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:53:23,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:53:23,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:53:23,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:53:23" (1/1) ... [2022-07-26 13:53:23,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cbbb4c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:23, skipping insertion in model container [2022-07-26 13:53:23,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:53:23" (1/1) ... [2022-07-26 13:53:23,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:53:23,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:53:23,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c[2476,2489] [2022-07-26 13:53:23,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:53:23,337 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:53:23,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c[2476,2489] [2022-07-26 13:53:23,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:53:23,380 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:53:23,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:23 WrapperNode [2022-07-26 13:53:23,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:53:23,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:53:23,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:53:23,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:53:23,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:23" (1/1) ... [2022-07-26 13:53:23,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:23" (1/1) ... [2022-07-26 13:53:23,420 INFO L137 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 115 [2022-07-26 13:53:23,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:53:23,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:53:23,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:53:23,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:53:23,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:23" (1/1) ... [2022-07-26 13:53:23,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:23" (1/1) ... [2022-07-26 13:53:23,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:23" (1/1) ... [2022-07-26 13:53:23,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:23" (1/1) ... [2022-07-26 13:53:23,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:23" (1/1) ... [2022-07-26 13:53:23,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:23" (1/1) ... [2022-07-26 13:53:23,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:23" (1/1) ... [2022-07-26 13:53:23,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:53:23,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:53:23,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:53:23,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:53:23,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:23" (1/1) ... [2022-07-26 13:53:23,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:23,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:23,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:23,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-26 13:53:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:53:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 13:53:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 13:53:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 13:53:23,532 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 13:53:23,532 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-26 13:53:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-26 13:53:23,533 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-07-26 13:53:23,533 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-07-26 13:53:23,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:53:23,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:53:23,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:53:23,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-26 13:53:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-26 13:53:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:53:23,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:53:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:53:23,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:53:23,535 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-26 13:53:23,607 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:53:23,608 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:53:23,822 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:53:23,853 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:53:23,853 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-26 13:53:23,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:53:23 BoogieIcfgContainer [2022-07-26 13:53:23,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:53:23,855 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:53:23,856 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:53:23,859 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:53:23,859 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:53:23,859 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:53:23" (1/3) ... [2022-07-26 13:53:23,860 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d424338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:53:23, skipping insertion in model container [2022-07-26 13:53:23,860 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:53:23,860 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:53:23" (2/3) ... [2022-07-26 13:53:23,860 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d424338 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:53:23, skipping insertion in model container [2022-07-26 13:53:23,861 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:53:23,861 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:53:23" (3/3) ... [2022-07-26 13:53:23,862 INFO L322 chiAutomizerObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2022-07-26 13:53:23,928 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-07-26 13:53:23,953 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 126 transitions, 284 flow [2022-07-26 13:53:23,995 INFO L129 PetriNetUnfolder]: 9/118 cut-off events. [2022-07-26 13:53:23,995 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-26 13:53:23,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 118 events. 9/118 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 94 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2022-07-26 13:53:23,999 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 126 transitions, 284 flow [2022-07-26 13:53:24,007 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 118 transitions, 260 flow [2022-07-26 13:53:24,010 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-26 13:53:24,019 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 118 transitions, 260 flow [2022-07-26 13:53:24,023 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 118 transitions, 260 flow [2022-07-26 13:53:24,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 118 transitions, 260 flow [2022-07-26 13:53:24,053 INFO L129 PetriNetUnfolder]: 9/118 cut-off events. [2022-07-26 13:53:24,054 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-07-26 13:53:24,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 118 events. 9/118 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2022-07-26 13:53:24,057 INFO L116 LiptonReduction]: Number of co-enabled transitions 2520 [2022-07-26 13:53:26,820 INFO L131 LiptonReduction]: Checked pairs total: 2446 [2022-07-26 13:53:26,820 INFO L133 LiptonReduction]: Total number of compositions: 97 [2022-07-26 13:53:26,832 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 13:53:26,832 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 13:53:26,832 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 13:53:26,833 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 13:53:26,833 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 13:53:26,833 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 13:53:26,833 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 13:53:26,833 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 13:53:26,834 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 13:53:26,932 INFO L131 ngComponentsAnalysis]: Automaton has 230 accepting balls. 230 [2022-07-26 13:53:26,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:53:26,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:53:26,938 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-26 13:53:26,938 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:53:26,938 INFO L333 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-26 13:53:26,938 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 321 states, but on-demand construction may add more states [2022-07-26 13:53:26,950 INFO L131 ngComponentsAnalysis]: Automaton has 230 accepting balls. 230 [2022-07-26 13:53:26,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:53:26,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:53:26,950 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-26 13:53:26,950 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:53:26,954 INFO L733 eck$LassoCheckResult]: Stem: 129#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 132#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 134#[thread1ENTRY, L88-4]don't care [334] thread1ENTRY-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 136#[L41-4, L88-4]don't care [2022-07-26 13:53:26,954 INFO L735 eck$LassoCheckResult]: Loop: 136#[L41-4, L88-4]don't care [470] L41-4-->L41-4: Formula: (and (< v_thread1Thread1of1ForFork1_~i~0_28 v_~N~0_57) (= v_thread1Thread1of1ForFork1_~i~0_27 (+ v_thread1Thread1of1ForFork1_~i~0_28 1)) (= (+ v_~counter1~0_87 1) v_~counter1~0_86)) InVars {~counter1~0=v_~counter1~0_87, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_28, ~N~0=v_~N~0_57} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_21|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_15|, ~counter1~0=v_~counter1~0_86, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_27, ~N~0=v_~N~0_57} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, ~counter1~0, thread1Thread1of1ForFork1_~i~0] 136#[L41-4, L88-4]don't care [2022-07-26 13:53:26,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:26,958 INFO L85 PathProgramCache]: Analyzing trace with hash 507959, now seen corresponding path program 1 times [2022-07-26 13:53:26,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:26,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069556637] [2022-07-26 13:53:26,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:26,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:27,060 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:27,107 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:27,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:27,109 INFO L85 PathProgramCache]: Analyzing trace with hash 501, now seen corresponding path program 1 times [2022-07-26 13:53:27,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:27,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883762232] [2022-07-26 13:53:27,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:27,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:27,126 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:27,129 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:27,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:27,130 INFO L85 PathProgramCache]: Analyzing trace with hash 15747199, now seen corresponding path program 1 times [2022-07-26 13:53:27,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:27,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870881841] [2022-07-26 13:53:27,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:27,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:27,149 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:27,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:27,186 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:27,187 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:27,187 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:27,187 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:27,187 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:53:27,187 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:27,187 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:27,187 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:27,187 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration1_Loop [2022-07-26 13:53:27,187 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:27,188 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:27,199 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,203 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,205 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,206 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,208 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,212 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,217 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,224 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,227 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,229 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,231 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,233 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,302 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:27,303 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:53:27,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:27,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:27,316 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:27,321 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:27,321 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:27,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-26 13:53:27,337 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:27,338 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_1=3} Honda state: {v_rep#funAddr~thread4.offset_1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:27,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:27,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:27,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:27,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:27,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-26 13:53:27,362 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:27,362 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:27,374 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:27,375 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post2=0} Honda state: {thread1Thread1of1ForFork1_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:27,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:27,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:27,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:27,391 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:27,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-26 13:53:27,393 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:27,393 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:27,410 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:27,410 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post1=0} Honda state: {thread1Thread1of1ForFork1_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:27,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:27,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:27,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:27,427 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:27,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-26 13:53:27,429 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:27,429 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:27,450 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:27,451 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_1=-1} Honda state: {v_rep#funAddr~thread1.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:27,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:27,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:27,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:27,482 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:27,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-26 13:53:27,484 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:27,484 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:27,494 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:27,495 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_1=0} Honda state: {v_rep#funAddr~thread1.offset_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:27,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:27,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:27,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:27,510 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:27,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-26 13:53:27,515 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:27,515 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:27,524 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:27,525 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_1=-1} Honda state: {v_rep#funAddr~thread3.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:27,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:27,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:27,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:27,542 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:27,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-26 13:53:27,544 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:27,544 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:27,553 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:27,554 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_1=-1} Honda state: {v_rep#funAddr~thread2.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:27,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:27,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:27,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:27,569 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:27,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-26 13:53:27,571 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:27,571 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:27,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:27,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:27,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:27,593 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:27,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-26 13:53:27,595 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:53:27,595 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:27,703 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:53:27,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:27,708 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:27,708 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:27,708 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:27,708 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:27,708 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:53:27,708 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:27,708 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:27,708 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:27,709 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration1_Loop [2022-07-26 13:53:27,709 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:27,709 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:27,710 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,718 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,719 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,722 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,723 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,725 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,727 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,729 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,733 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,735 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,737 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,739 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:27,812 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:27,815 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:53:27,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:27,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:27,817 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:27,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-26 13:53:27,821 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 [2022-07-26 13:53:27,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:27,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:27,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:27,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:27,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:27,830 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:27,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:27,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:27,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:27,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:27,861 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:27,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-26 13:53:27,872 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 [2022-07-26 13:53:27,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:27,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:27,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:27,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:27,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:27,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:27,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:27,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:27,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:27,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:27,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:27,899 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:27,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-26 13:53:27,903 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 [2022-07-26 13:53:27,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:27,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:27,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:27,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:27,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:27,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:27,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:27,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:27,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:27,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:27,939 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:27,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-26 13:53:27,941 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 [2022-07-26 13:53:27,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:27,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:27,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:27,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:27,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:27,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:27,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:27,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:27,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:27,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:27,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:27,984 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:27,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-26 13:53:27,987 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 [2022-07-26 13:53:27,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:27,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:27,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:27,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:27,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:27,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:28,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:28,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:28,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:28,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:28,044 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:28,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-26 13:53:28,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-26 13:53:28,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:28,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:28,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:28,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:28,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:28,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:28,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:28,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:28,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:28,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:28,083 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:28,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-26 13:53:28,085 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 [2022-07-26 13:53:28,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:28,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:28,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:28,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:28,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:28,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:28,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:28,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:28,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:28,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:28,129 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:28,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-26 13:53:28,131 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 [2022-07-26 13:53:28,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:28,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:28,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:28,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:28,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:28,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:28,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:28,147 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:53:28,149 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 13:53:28,149 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-26 13:53:28,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:28,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:28,156 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:28,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-26 13:53:28,159 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:53:28,159 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:53:28,159 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:53:28,159 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread1Thread1of1ForFork1_~i~0, ~N~0) = -1*thread1Thread1of1ForFork1_~i~0 + 1*~N~0 Supporting invariants [] [2022-07-26 13:53:28,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:28,178 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:53:28,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:28,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:53:28,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:28,238 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:53:28,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:28,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:53:28,268 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:53:28,269 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 321 states, but on-demand construction may add more states 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) [2022-07-26 13:53:28,380 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 321 states, but on-demand construction may add more states. 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 876 states and 4293 transitions. Complement of second has 5 states. [2022-07-26 13:53:28,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-26 13:53:28,385 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) [2022-07-26 13:53:28,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 63 transitions. [2022-07-26 13:53:28,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 63 transitions. Stem has 3 letters. Loop has 1 letters. [2022-07-26 13:53:28,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:28,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 63 transitions. Stem has 4 letters. Loop has 1 letters. [2022-07-26 13:53:28,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:28,387 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 63 transitions. Stem has 3 letters. Loop has 2 letters. [2022-07-26 13:53:28,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:28,387 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 4293 transitions. [2022-07-26 13:53:28,402 INFO L131 ngComponentsAnalysis]: Automaton has 200 accepting balls. 200 [2022-07-26 13:53:28,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:28,449 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 693 states and 3407 transitions. [2022-07-26 13:53:28,449 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 383 [2022-07-26 13:53:28,452 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 538 [2022-07-26 13:53:28,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 693 states and 3407 transitions. [2022-07-26 13:53:28,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:53:28,453 INFO L220 hiAutomatonCegarLoop]: Abstraction has 693 states and 3407 transitions. [2022-07-26 13:53:28,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states and 3407 transitions. [2022-07-26 13:53:28,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 540. [2022-07-26 13:53:28,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 540 states have (on average 5.2) internal successors, (2808), 539 states have internal predecessors, (2808), 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) [2022-07-26 13:53:28,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 2808 transitions. [2022-07-26 13:53:28,511 INFO L242 hiAutomatonCegarLoop]: Abstraction has 540 states and 2808 transitions. [2022-07-26 13:53:28,511 INFO L426 stractBuchiCegarLoop]: Abstraction has 540 states and 2808 transitions. [2022-07-26 13:53:28,512 INFO L333 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-26 13:53:28,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 540 states and 2808 transitions. [2022-07-26 13:53:28,518 INFO L131 ngComponentsAnalysis]: Automaton has 200 accepting balls. 200 [2022-07-26 13:53:28,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:53:28,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:53:28,518 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-26 13:53:28,518 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:53:28,521 INFO L733 eck$LassoCheckResult]: Stem: 2735#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 2677#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 1847#[thread1ENTRY, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 1851#[L89-3, thread1ENTRY]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 2641#[thread2ENTRY, thread1ENTRY, L89-4]don't care [344] thread2ENTRY-->L51-4: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 2365#[thread1ENTRY, L51-4, L89-4]don't care [2022-07-26 13:53:28,523 INFO L735 eck$LassoCheckResult]: Loop: 2365#[thread1ENTRY, L51-4, L89-4]don't care [468] L51-4-->L51-4: Formula: (and (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|) (= (+ v_~counter1~0_76 1) v_~counter1~0_77) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11| 0)) (< |v_thread2Thread1of1ForFork3_~i~1#1_30| v_~N~0_49) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11| (ite (< 0 v_~counter1~0_77) 1 0)) (= (+ |v_thread2Thread1of1ForFork3_~i~1#1_30| 1) |v_thread2Thread1of1ForFork3_~i~1#1_29|)) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_30|, ~counter1~0=v_~counter1~0_77, ~N~0=v_~N~0_49} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_11|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_11|, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_15|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_29|, ~counter1~0=v_~counter1~0_76, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_11|, ~N~0=v_~N~0_49} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_~i~1#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 2365#[thread1ENTRY, L51-4, L89-4]don't care [2022-07-26 13:53:28,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:28,524 INFO L85 PathProgramCache]: Analyzing trace with hash 488299262, now seen corresponding path program 1 times [2022-07-26 13:53:28,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:28,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499573448] [2022-07-26 13:53:28,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:28,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:28,555 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:28,564 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:28,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:28,565 INFO L85 PathProgramCache]: Analyzing trace with hash 499, now seen corresponding path program 1 times [2022-07-26 13:53:28,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:28,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180179895] [2022-07-26 13:53:28,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:28,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:28,571 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:28,578 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:28,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:28,578 INFO L85 PathProgramCache]: Analyzing trace with hash -2042591594, now seen corresponding path program 1 times [2022-07-26 13:53:28,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:28,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099439784] [2022-07-26 13:53:28,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:28,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:28,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:53:28,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-26 13:53:28,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099439784] [2022-07-26 13:53:28,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099439784] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-26 13:53:28,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-26 13:53:28,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-07-26 13:53:28,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351560034] [2022-07-26 13:53:28,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-26 13:53:28,688 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:28,688 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:28,688 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:28,688 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:28,688 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:53:28,688 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:28,689 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:28,689 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:28,689 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration2_Loop [2022-07-26 13:53:28,689 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:28,689 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:28,690 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:28,692 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:28,694 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:28,695 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:28,697 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:28,698 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:28,700 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:28,701 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:28,702 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:28,704 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:28,707 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:28,710 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:28,712 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:28,790 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:28,790 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:53:28,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:28,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:28,804 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:28,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-26 13:53:28,811 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:28,811 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:28,836 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:28,836 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_3=-1} Honda state: {v_rep#funAddr~thread1.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:28,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:28,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:28,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:28,854 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:28,858 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:28,859 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:28,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-26 13:53:28,872 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:28,872 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_3=-1} Honda state: {v_rep#funAddr~thread3.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:28,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:28,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:28,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:28,895 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:28,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-26 13:53:28,898 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:28,898 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:28,919 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:28,920 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_3=-1} Honda state: {v_rep#funAddr~thread2.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:28,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:28,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:28,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:28,936 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:28,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-26 13:53:28,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:28,938 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:28,959 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:28,960 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_3=-1} Honda state: {v_rep#funAddr~thread4.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:28,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:28,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:28,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:28,977 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:28,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-26 13:53:28,980 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:28,980 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:29,003 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:29,004 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_3=3} Honda state: {v_rep#funAddr~thread4.offset_3=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:29,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:29,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:29,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:29,031 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:29,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-26 13:53:29,034 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:29,034 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:29,051 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:29,052 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_3=0} Honda state: {v_rep#funAddr~thread1.offset_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:29,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:29,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:29,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:29,070 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:29,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-26 13:53:29,073 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:29,073 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:29,091 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:29,091 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_#t~post4#1=0} Honda state: {thread2Thread1of1ForFork3_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:29,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:29,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:29,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:29,109 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:29,117 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:29,118 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:29,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-26 13:53:29,135 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:29,135 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork3_#t~post3#1=0} Honda state: {thread2Thread1of1ForFork3_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:29,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:29,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:29,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:29,152 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:29,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-26 13:53:29,155 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:29,155 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:29,180 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:29,180 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_3=1} Honda state: {v_rep#funAddr~thread2.offset_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:29,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:29,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:29,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:29,198 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:29,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-26 13:53:29,201 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:29,201 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:29,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:29,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:29,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:29,240 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:29,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-07-26 13:53:29,242 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:53:29,242 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:29,348 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:53:29,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-07-26 13:53:29,351 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:29,351 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:29,351 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:29,351 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:29,351 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:53:29,351 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:29,351 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:29,351 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:29,351 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration2_Loop [2022-07-26 13:53:29,351 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:29,351 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:29,352 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:29,361 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:29,363 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:29,364 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:29,366 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:29,368 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:29,374 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:29,375 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:29,377 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:29,379 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:29,382 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:29,386 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:29,388 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:29,467 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:29,468 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:53:29,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:29,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:29,469 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:29,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-07-26 13:53:29,471 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 [2022-07-26 13:53:29,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:29,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:29,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:29,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:29,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:29,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:29,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:29,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:29,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:29,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:29,509 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:29,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-07-26 13:53:29,511 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 [2022-07-26 13:53:29,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:29,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:29,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:29,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:29,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:29,517 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:29,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:29,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:29,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:29,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:29,564 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:29,567 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 [2022-07-26 13:53:29,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:29,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:29,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:29,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:29,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:29,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:29,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-07-26 13:53:29,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:29,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:29,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:29,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:29,603 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:29,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-07-26 13:53:29,605 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 [2022-07-26 13:53:29,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:29,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:29,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:29,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:29,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:29,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:29,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:29,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:29,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:29,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:29,645 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:29,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-26 13:53:29,647 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 [2022-07-26 13:53:29,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:29,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:29,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:29,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:29,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:29,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:29,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:29,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:29,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:29,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:29,687 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:29,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-26 13:53:29,689 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 [2022-07-26 13:53:29,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:29,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:29,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:29,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:29,696 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:29,696 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:29,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:29,734 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-07-26 13:53:29,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:29,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:29,735 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:29,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-26 13:53:29,739 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 [2022-07-26 13:53:29,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:29,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:29,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:29,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:29,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:29,745 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:29,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:29,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:29,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-07-26 13:53:29,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:29,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:29,761 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:29,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-07-26 13:53:29,762 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 [2022-07-26 13:53:29,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:29,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:29,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:29,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:29,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:29,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:29,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:29,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:29,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-07-26 13:53:29,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:29,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:29,791 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:29,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-07-26 13:53:29,793 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 [2022-07-26 13:53:29,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:29,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:29,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:29,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:29,799 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:29,799 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:29,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:29,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-07-26 13:53:29,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:29,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:29,826 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:29,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-07-26 13:53:29,828 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 [2022-07-26 13:53:29,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:29,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:29,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:29,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:29,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:29,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:29,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:29,838 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:53:29,841 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 13:53:29,841 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 13:53:29,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:29,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:29,842 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:29,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-26 13:53:29,843 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:53:29,843 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:53:29,843 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:53:29,843 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread2Thread1of1ForFork3_~i~1#1) = 1*~N~0 - 1*thread2Thread1of1ForFork3_~i~1#1 Supporting invariants [] [2022-07-26 13:53:29,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-07-26 13:53:29,858 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:53:29,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:29,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:53:29,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:29,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:53:29,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:53:29,892 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:53:29,892 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 540 states and 2808 transitions. cyclomatic complexity: 2546 Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2022-07-26 13:53:29,963 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 540 states and 2808 transitions. cyclomatic complexity: 2546. Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 1610 states and 8835 transitions. Complement of second has 4 states. [2022-07-26 13:53:29,963 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 [2022-07-26 13:53:29,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2022-07-26 13:53:29,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2022-07-26 13:53:29,964 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 61 transitions. Stem has 5 letters. Loop has 1 letters. [2022-07-26 13:53:29,964 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:29,964 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 61 transitions. Stem has 6 letters. Loop has 1 letters. [2022-07-26 13:53:29,964 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:29,964 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 61 transitions. Stem has 5 letters. Loop has 2 letters. [2022-07-26 13:53:29,964 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:29,964 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1610 states and 8835 transitions. [2022-07-26 13:53:29,983 INFO L131 ngComponentsAnalysis]: Automaton has 150 accepting balls. 150 [2022-07-26 13:53:29,996 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1610 states to 1250 states and 6742 transitions. [2022-07-26 13:53:29,996 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 495 [2022-07-26 13:53:29,998 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 669 [2022-07-26 13:53:29,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1250 states and 6742 transitions. [2022-07-26 13:53:29,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:53:29,999 INFO L220 hiAutomatonCegarLoop]: Abstraction has 1250 states and 6742 transitions. [2022-07-26 13:53:30,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states and 6742 transitions. [2022-07-26 13:53:30,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 959. [2022-07-26 13:53:30,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 959 states, 959 states have (on average 5.580813347236705) internal successors, (5352), 958 states have internal predecessors, (5352), 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) [2022-07-26 13:53:30,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 5352 transitions. [2022-07-26 13:53:30,030 INFO L242 hiAutomatonCegarLoop]: Abstraction has 959 states and 5352 transitions. [2022-07-26 13:53:30,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-26 13:53:30,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-26 13:53:30,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-26 13:53:30,033 INFO L87 Difference]: Start difference. First operand 959 states and 5352 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2022-07-26 13:53:30,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-26 13:53:30,092 INFO L93 Difference]: Finished difference Result 1466 states and 7401 transitions. [2022-07-26 13:53:30,092 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1466 states and 7401 transitions. [2022-07-26 13:53:30,108 INFO L131 ngComponentsAnalysis]: Automaton has 264 accepting balls. 264 [2022-07-26 13:53:30,123 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1466 states to 1403 states and 6965 transitions. [2022-07-26 13:53:30,123 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 775 [2022-07-26 13:53:30,124 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 775 [2022-07-26 13:53:30,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1403 states and 6965 transitions. [2022-07-26 13:53:30,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:53:30,124 INFO L220 hiAutomatonCegarLoop]: Abstraction has 1403 states and 6965 transitions. [2022-07-26 13:53:30,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states and 6965 transitions. [2022-07-26 13:53:30,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 1099. [2022-07-26 13:53:30,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1099 states, 1099 states have (on average 5.268425841674249) internal successors, (5790), 1098 states have internal predecessors, (5790), 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) [2022-07-26 13:53:30,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 5790 transitions. [2022-07-26 13:53:30,151 INFO L242 hiAutomatonCegarLoop]: Abstraction has 1099 states and 5790 transitions. [2022-07-26 13:53:30,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-26 13:53:30,152 INFO L426 stractBuchiCegarLoop]: Abstraction has 1099 states and 5790 transitions. [2022-07-26 13:53:30,152 INFO L333 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-26 13:53:30,152 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1099 states and 5790 transitions. [2022-07-26 13:53:30,160 INFO L131 ngComponentsAnalysis]: Automaton has 184 accepting balls. 184 [2022-07-26 13:53:30,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:53:30,160 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:53:30,160 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-26 13:53:30,160 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:53:30,161 INFO L733 eck$LassoCheckResult]: Stem: 9186#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 9106#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 7964#[thread1ENTRY, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 7968#[L89-3, thread1ENTRY]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 9042#[thread2ENTRY, thread1ENTRY, L89-4]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 9056#[thread2ENTRY, L90-3, thread1ENTRY]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 8476#[thread1ENTRY, thread2ENTRY, thread3ENTRY, L90-4]don't care [354] thread3ENTRY-->L62-4: Formula: (= v_thread3Thread1of1ForFork0_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_~i~2] 8478#[thread1ENTRY, L62-4, thread2ENTRY, L90-4]don't care [2022-07-26 13:53:30,161 INFO L735 eck$LassoCheckResult]: Loop: 8478#[thread1ENTRY, L62-4, thread2ENTRY, L90-4]don't care [476] L62-4-->L62-4: Formula: (and (< v_thread3Thread1of1ForFork0_~i~2_34 v_~N~0_61) (= (+ v_thread3Thread1of1ForFork0_~i~2_34 1) v_thread3Thread1of1ForFork0_~i~2_33) (= v_~counter2~0_94 (+ v_~counter2~0_95 1))) InVars {~counter2~0=v_~counter2~0_95, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_34, ~N~0=v_~N~0_61} OutVars{~counter2~0=v_~counter2~0_94, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_33, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_17|, ~N~0=v_~N~0_61, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_25|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_#t~post5] 8478#[thread1ENTRY, L62-4, thread2ENTRY, L90-4]don't care [2022-07-26 13:53:30,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:30,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1104291497, now seen corresponding path program 1 times [2022-07-26 13:53:30,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:30,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650510419] [2022-07-26 13:53:30,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:30,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:30,184 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:30,210 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:30,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:30,210 INFO L85 PathProgramCache]: Analyzing trace with hash 507, now seen corresponding path program 1 times [2022-07-26 13:53:30,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:30,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788521324] [2022-07-26 13:53:30,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:30,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:30,212 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:30,214 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:30,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:30,214 INFO L85 PathProgramCache]: Analyzing trace with hash -126701485, now seen corresponding path program 1 times [2022-07-26 13:53:30,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:30,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919627290] [2022-07-26 13:53:30,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:30,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:30,248 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:30,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:30,282 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:30,282 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:30,282 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:30,282 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:30,282 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:53:30,282 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:30,282 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:30,282 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:30,282 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration3_Loop [2022-07-26 13:53:30,282 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:30,282 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:30,283 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,285 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,287 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,288 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,290 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,291 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,293 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,294 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,296 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,298 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,300 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,301 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,370 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:30,370 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:53:30,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:30,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:30,377 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:30,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-07-26 13:53:30,400 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:30,400 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:30,409 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:30,409 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_5=-1} Honda state: {v_rep#funAddr~thread1.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:30,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-07-26 13:53:30,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:30,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:30,425 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:30,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-07-26 13:53:30,427 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:30,427 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:30,443 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:30,443 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_5=-1} Honda state: {v_rep#funAddr~thread4.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:30,458 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-07-26 13:53:30,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:30,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:30,459 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:30,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-07-26 13:53:30,461 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:30,461 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:30,470 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:30,471 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_5=-1} Honda state: {v_rep#funAddr~thread2.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:30,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-07-26 13:53:30,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:30,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:30,486 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:30,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-07-26 13:53:30,488 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:30,488 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:30,498 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:30,498 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_5=-1} Honda state: {v_rep#funAddr~thread3.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:30,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-07-26 13:53:30,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:30,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:30,513 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:30,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-07-26 13:53:30,517 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:30,517 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:30,531 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:30,531 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_5=0} Honda state: {v_rep#funAddr~thread1.offset_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:30,545 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-07-26 13:53:30,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:30,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:30,546 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:30,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-07-26 13:53:30,548 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:30,548 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:30,557 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:30,557 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_5=3} Honda state: {v_rep#funAddr~thread4.offset_5=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:30,572 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-07-26 13:53:30,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:30,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:30,573 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:30,597 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:30,597 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:30,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-07-26 13:53:30,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-07-26 13:53:30,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:30,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:30,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:30,628 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:30,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-07-26 13:53:30,629 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:53:30,629 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:30,647 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:30,647 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter2~0=0} Honda state: {~counter2~0=0} Generalized eigenvectors: [{~counter2~0=-2}, {~counter2~0=4}, {~counter2~0=-1}] Lambdas: [1, 1, 1] Nus: [0, 0] [2022-07-26 13:53:30,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:30,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:30,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:30,662 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:30,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-07-26 13:53:30,664 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:30,664 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:30,677 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-26 13:53:30,677 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_5=1} Honda state: {v_rep#funAddr~thread2.offset_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-26 13:53:30,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-07-26 13:53:30,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:30,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:30,692 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:30,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-07-26 13:53:30,694 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:30,694 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:30,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-07-26 13:53:30,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:30,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:30,719 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:30,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-07-26 13:53:30,721 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:53:30,721 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:30,828 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:53:30,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:30,831 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:30,831 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:30,831 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:30,831 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:30,831 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:53:30,831 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:30,831 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:30,831 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:30,831 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration3_Loop [2022-07-26 13:53:30,831 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:30,831 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:30,832 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,834 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,836 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,838 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,839 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,841 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,843 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,845 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,847 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,850 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,852 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,854 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:30,911 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:30,911 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:53:30,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:30,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:30,912 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:30,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-07-26 13:53:30,914 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 [2022-07-26 13:53:30,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:30,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:30,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:30,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:30,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:30,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:30,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:30,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:30,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:30,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:30,943 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:30,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-07-26 13:53:30,944 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 [2022-07-26 13:53:30,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:30,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:30,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:30,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:30,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:30,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:30,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:30,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-07-26 13:53:30,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:30,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:30,978 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:30,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-07-26 13:53:30,980 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 [2022-07-26 13:53:30,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:30,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:30,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:30,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:30,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:30,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:30,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:31,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:31,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:31,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:31,011 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:31,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-07-26 13:53:31,013 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 [2022-07-26 13:53:31,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:31,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:31,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:31,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:31,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:31,019 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:31,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:31,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-07-26 13:53:31,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:31,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:31,042 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:31,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-07-26 13:53:31,045 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 [2022-07-26 13:53:31,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:31,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:31,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:31,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:31,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:31,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:31,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:31,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:31,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:31,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:31,087 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:31,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-07-26 13:53:31,089 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 [2022-07-26 13:53:31,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:31,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:31,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:31,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:31,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:31,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:31,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:31,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:31,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:31,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:31,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:31,110 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:31,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-07-26 13:53:31,112 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 [2022-07-26 13:53:31,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:31,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:31,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:31,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:31,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:31,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:31,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:31,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-07-26 13:53:31,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:31,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:31,146 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:31,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-07-26 13:53:31,148 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 [2022-07-26 13:53:31,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:31,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:31,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:31,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:31,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:31,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:31,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:31,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:31,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:31,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:31,195 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:31,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-07-26 13:53:31,197 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 [2022-07-26 13:53:31,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:31,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:31,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:31,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:31,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:31,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:31,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:31,219 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:53:31,221 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 13:53:31,221 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-26 13:53:31,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:31,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:31,222 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:31,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-07-26 13:53:31,224 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:53:31,224 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:53:31,224 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:53:31,224 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread3Thread1of1ForFork0_~i~2) = 1*~N~0 - 1*thread3Thread1of1ForFork0_~i~2 Supporting invariants [] [2022-07-26 13:53:31,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-07-26 13:53:31,244 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:53:31,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:31,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:53:31,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:31,275 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:53:31,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:31,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:53:31,276 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:53:31,276 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1099 states and 5790 transitions. cyclomatic complexity: 5109 Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:53:31,347 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1099 states and 5790 transitions. cyclomatic complexity: 5109. Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3097 states and 16829 transitions. Complement of second has 4 states. [2022-07-26 13:53:31,347 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 [2022-07-26 13:53:31,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-26 13:53:31,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2022-07-26 13:53:31,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 61 transitions. Stem has 7 letters. Loop has 1 letters. [2022-07-26 13:53:31,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:31,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 61 transitions. Stem has 8 letters. Loop has 1 letters. [2022-07-26 13:53:31,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:31,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 61 transitions. Stem has 7 letters. Loop has 2 letters. [2022-07-26 13:53:31,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:31,348 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3097 states and 16829 transitions. [2022-07-26 13:53:31,381 INFO L131 ngComponentsAnalysis]: Automaton has 98 accepting balls. 98 [2022-07-26 13:53:31,401 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3097 states to 2061 states and 10964 transitions. [2022-07-26 13:53:31,401 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 606 [2022-07-26 13:53:31,402 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 774 [2022-07-26 13:53:31,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2061 states and 10964 transitions. [2022-07-26 13:53:31,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-26 13:53:31,403 INFO L220 hiAutomatonCegarLoop]: Abstraction has 2061 states and 10964 transitions. [2022-07-26 13:53:31,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2061 states and 10964 transitions. [2022-07-26 13:53:31,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2061 to 1626. [2022-07-26 13:53:31,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1626 states, 1626 states have (on average 5.501230012300123) internal successors, (8945), 1625 states have internal predecessors, (8945), 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) [2022-07-26 13:53:31,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1626 states and 8945 transitions. [2022-07-26 13:53:31,440 INFO L242 hiAutomatonCegarLoop]: Abstraction has 1626 states and 8945 transitions. [2022-07-26 13:53:31,440 INFO L426 stractBuchiCegarLoop]: Abstraction has 1626 states and 8945 transitions. [2022-07-26 13:53:31,440 INFO L333 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-26 13:53:31,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1626 states and 8945 transitions. [2022-07-26 13:53:31,451 INFO L131 ngComponentsAnalysis]: Automaton has 98 accepting balls. 98 [2022-07-26 13:53:31,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-26 13:53:31,451 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-26 13:53:31,452 INFO L150 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-26 13:53:31,452 INFO L151 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-07-26 13:53:31,453 INFO L733 eck$LassoCheckResult]: Stem: 14863#[ULTIMATE.startENTRY]don't care [485] ULTIMATE.startENTRY-->L88-3: Formula: (let ((.cse3 (store |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 1))) (let ((.cse0 (store .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41| 1))) (let ((.cse1 (store .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49| 1)) (.cse2 (select |v_#memory_int_82| 1))) (and (= (select .cse0 |v_ULTIMATE.start_main_~#t3~0#1.base_49|) 0) (= (store (store (store (store |v_#length_92| |v_ULTIMATE.start_main_~#t1~0#1.base_43| 4) |v_ULTIMATE.start_main_~#t2~0#1.base_41| 4) |v_ULTIMATE.start_main_~#t3~0#1.base_49| 4) |v_ULTIMATE.start_main_~#t4~0#1.base_45| 4) |v_#length_91|) (= 2 (select |v_#length_92| 1)) (= v_~counter2~0_102 0) (= |v_#valid_148| (store .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45| 1)) (= |v_ULTIMATE.start_main_~#t2~0#1.offset_35| 0) (= 48 (select .cse2 0)) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t3~0#1.base_49|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_37| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t4~0#1.base_45|) (= (select .cse1 |v_ULTIMATE.start_main_~#t4~0#1.base_45|) 0) (= (select |v_#valid_149| 2) 1) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) (= (select |v_#valid_149| 0) 0) (= (select |v_#length_92| 2) 33) (< 0 |v_#StackHeapBarrier_24|) (= (select .cse3 |v_ULTIMATE.start_main_~#t2~0#1.base_41|) 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_24| |v_ULTIMATE.start_main_~#t2~0#1.base_41|) (= v_~counter1~0_100 0) (= (select .cse2 1) 0) (= (select |v_#valid_149| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) 0) (= |v_#memory_int_81| (store |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43| (store (select |v_#memory_int_82| |v_ULTIMATE.start_main_~#t1~0#1.base_43|) |v_ULTIMATE.start_main_~#t1~0#1.offset_37| |v_ULTIMATE.start_main_#t~pre10#1_29|))) (= |v_#NULL.base_8| 0) (= |v_ULTIMATE.start_main_#t~pre10#1_29| |v_#pthreadsForks_68|) (= (select |v_#valid_149| 1) 1) (= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_37|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_39| 0) (= |v_#pthreadsForks_67| (+ |v_#pthreadsForks_68| 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_24|, #pthreadsForks=|v_#pthreadsForks_68|, #valid=|v_#valid_149|, #memory_int=|v_#memory_int_82|, #length=|v_#length_92|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_24|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_35|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_39|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_20|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_49|, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_37|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_18|, ~counter2~0=v_~counter2~0_102, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_25|, #pthreadsForks=|v_#pthreadsForks_67|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_15|, #length=|v_#length_91|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_23|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_45|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_15|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_26|, ~N~0=v_~N~0_69, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_43|, #NULL.base=|v_#NULL.base_8|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_18|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_18|, #StackHeapBarrier=|v_#StackHeapBarrier_24|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_15|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_25|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_29|, #valid=|v_#valid_148|, ~counter1~0=v_~counter1~0_100, #memory_int=|v_#memory_int_81|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_37|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_41|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_#t~mem18#1, ULTIMATE.start_main_~#t3~0#1.base, #NULL.offset, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem21#1, ~counter2~0, ULTIMATE.start_main_#t~pre12#1, #pthreadsForks, ULTIMATE.start_main_#t~nondet13#1, #length, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#res#1, ~N~0, ULTIMATE.start_main_~#t1~0#1.base, #NULL.base, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, #valid, ~counter1~0, #memory_int, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_#t~nondet15#1] 14711#[L88-3]don't care [379] L88-3-->thread1ENTRY: Formula: (and (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= 0 v_thread1Thread1of1ForFork1_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_8|, thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_4|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_12, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, thread1Thread1of1ForFork1_thidvar1=v_thread1Thread1of1ForFork1_thidvar1_2, thread1Thread1of1ForFork1_thidvar0=v_thread1Thread1of1ForFork1_thidvar0_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post2, thread1Thread1of1ForFork1_~i~0, thread1Thread1of1ForFork1_#res.offset, thread1Thread1of1ForFork1_thidvar1, thread1Thread1of1ForFork1_thidvar0] 13311#[thread1ENTRY, L88-4]don't care [478] L88-4-->L89-3: Formula: (and (= (select |v_#valid_124| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) 1) (<= (+ |v_ULTIMATE.start_main_~#t2~0#1.offset_25| 4) (select |v_#length_79| |v_ULTIMATE.start_main_~#t2~0#1.base_29|)) (= |v_ULTIMATE.start_main_#t~pre12#1_19| |v_#pthreadsForks_60|) (= (+ |v_#pthreadsForks_60| 1) |v_#pthreadsForks_59|) (= |v_#memory_int_71| (store |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29| (store (select |v_#memory_int_72| |v_ULTIMATE.start_main_~#t2~0#1.base_29|) |v_ULTIMATE.start_main_~#t2~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre12#1_19|))) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_25|)) InVars {#pthreadsForks=|v_#pthreadsForks_60|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, #memory_int=|v_#memory_int_72|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_19|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_9|, #pthreadsForks=|v_#pthreadsForks_59|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_25|, #valid=|v_#valid_124|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_21|, #memory_int=|v_#memory_int_71|, #length=|v_#length_79|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_29|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, #pthreadsForks, ULTIMATE.start_main_#t~pre10#1, #memory_int] 13315#[L89-3, thread1ENTRY]don't care [385] L89-3-->thread2ENTRY: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_6|) (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork3_thidvar0=v_thread2Thread1of1ForFork3_thidvar0_2, thread2Thread1of1ForFork3_thidvar1=v_thread2Thread1of1ForFork3_thidvar1_2, thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_8|, thread2Thread1of1ForFork3_thidvar2=v_thread2Thread1of1ForFork3_thidvar2_2, thread2Thread1of1ForFork3_#res#1.offset=|v_thread2Thread1of1ForFork3_#res#1.offset_4|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_12|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork3_#res#1.base=|v_thread2Thread1of1ForFork3_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_thidvar0, thread2Thread1of1ForFork3_thidvar1, thread2Thread1of1ForFork3_#t~post3#1, thread2Thread1of1ForFork3_thidvar2, thread2Thread1of1ForFork3_#res#1.offset, thread2Thread1of1ForFork3_~i~1#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork3_#res#1.base] 14597#[thread2ENTRY, thread1ENTRY, L89-4]don't care [473] L89-4-->L90-3: Formula: (and (= |v_#memory_int_61| (store |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33| (store (select |v_#memory_int_62| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) |v_ULTIMATE.start_main_~#t3~0#1.offset_27| |v_ULTIMATE.start_main_#t~pre14#1_17|))) (= (select |v_#valid_118| |v_ULTIMATE.start_main_~#t3~0#1.base_33|) 1) (<= (+ |v_ULTIMATE.start_main_~#t3~0#1.offset_27| 4) (select |v_#length_73| |v_ULTIMATE.start_main_~#t3~0#1.base_33|)) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_27|) (= |v_ULTIMATE.start_main_#t~pre14#1_17| |v_#pthreadsForks_52|) (= |v_#pthreadsForks_51| (+ |v_#pthreadsForks_52| 1))) InVars {#pthreadsForks=|v_#pthreadsForks_52|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_62|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_17|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_17|, #pthreadsForks=|v_#pthreadsForks_51|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_27|, #valid=|v_#valid_118|, #memory_int=|v_#memory_int_61|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_9|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_33|, #length=|v_#length_73|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~pre14#1, #pthreadsForks, #memory_int, ULTIMATE.start_main_#t~nondet13#1] 14623#[thread2ENTRY, L90-3, thread1ENTRY]don't care [376] L90-3-->thread3ENTRY: Formula: (and (= v_thread3Thread1of1ForFork0_thidvar2_2 0) (= v_thread3Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre14#1_6|) (= v_thread3Thread1of1ForFork0_thidvar1_2 0) (= v_thread3Thread1of1ForFork0_thidvar3_2 0)) InVars {ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|} OutVars{ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_6|, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_4|, thread3Thread1of1ForFork0_~i~2=v_thread3Thread1of1ForFork0_~i~2_12, thread3Thread1of1ForFork0_thidvar3=v_thread3Thread1of1ForFork0_thidvar3_2, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_4|, thread3Thread1of1ForFork0_#t~post6=|v_thread3Thread1of1ForFork0_#t~post6_4|, thread3Thread1of1ForFork0_thidvar2=v_thread3Thread1of1ForFork0_thidvar2_2, thread3Thread1of1ForFork0_thidvar1=v_thread3Thread1of1ForFork0_thidvar1_2, thread3Thread1of1ForFork0_thidvar0=v_thread3Thread1of1ForFork0_thidvar0_2, thread3Thread1of1ForFork0_#t~post5=|v_thread3Thread1of1ForFork0_#t~post5_8|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_~i~2, thread3Thread1of1ForFork0_thidvar3, thread3Thread1of1ForFork0_#res.base, thread3Thread1of1ForFork0_#t~post6, thread3Thread1of1ForFork0_thidvar2, thread3Thread1of1ForFork0_thidvar1, thread3Thread1of1ForFork0_thidvar0, thread3Thread1of1ForFork0_#t~post5] 13801#[thread1ENTRY, thread2ENTRY, thread3ENTRY, L90-4]don't care [477] L90-4-->L91-3: Formula: (and (= |v_#pthreadsForks_55| (+ |v_#pthreadsForks_56| 1)) (<= (+ 4 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (select |v_#length_77| |v_ULTIMATE.start_main_~#t4~0#1.base_29|)) (= |v_#memory_int_67| (store |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29| (store (select |v_#memory_int_68| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) |v_ULTIMATE.start_main_~#t4~0#1.offset_25| |v_ULTIMATE.start_main_#t~pre16#1_17|))) (<= 0 |v_ULTIMATE.start_main_~#t4~0#1.offset_25|) (= |v_ULTIMATE.start_main_#t~pre16#1_17| |v_#pthreadsForks_56|) (= (select |v_#valid_122| |v_ULTIMATE.start_main_~#t4~0#1.base_29|) 1)) InVars {#pthreadsForks=|v_#pthreadsForks_56|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_68|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|} OutVars{#pthreadsForks=|v_#pthreadsForks_55|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_19|, #valid=|v_#valid_122|, #memory_int=|v_#memory_int_67|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_17|, #length=|v_#length_77|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_25|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_29|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_9|} AuxVars[] AssignedVars[#pthreadsForks, ULTIMATE.start_main_#t~pre14#1, #memory_int, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_#t~nondet15#1] 13807#[thread1ENTRY, L91-3, thread2ENTRY, thread3ENTRY]don't care [382] L91-3-->thread4ENTRY: Formula: (and (= 0 v_thread4Thread1of1ForFork2_thidvar2_2) (= |v_ULTIMATE.start_main_#t~pre16#1_6| v_thread4Thread1of1ForFork2_thidvar0_2) (= 0 v_thread4Thread1of1ForFork2_thidvar4_2) (= 0 v_thread4Thread1of1ForFork2_thidvar3_2) (= 0 v_thread4Thread1of1ForFork2_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|} OutVars{thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread4Thread1of1ForFork2_#res#1.base=|v_thread4Thread1of1ForFork2_#res#1.base_4|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_8|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, thread4Thread1of1ForFork2_thidvar4=v_thread4Thread1of1ForFork2_thidvar4_2, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_12|, thread4Thread1of1ForFork2_thidvar3=v_thread4Thread1of1ForFork2_thidvar3_2, thread4Thread1of1ForFork2_thidvar0=v_thread4Thread1of1ForFork2_thidvar0_2, thread4Thread1of1ForFork2_thidvar2=v_thread4Thread1of1ForFork2_thidvar2_2, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_4|, thread4Thread1of1ForFork2_thidvar1=v_thread4Thread1of1ForFork2_thidvar1_2, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_6|, thread4Thread1of1ForFork2_#res#1.offset=|v_thread4Thread1of1ForFork2_#res#1.offset_4|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_thidvar4, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_thidvar3, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#res#1.base, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_thidvar0, thread4Thread1of1ForFork2_thidvar2, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_thidvar1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread4Thread1of1ForFork2_#res#1.offset] 14461#[thread1ENTRY, L91-4, thread3ENTRY, thread2ENTRY, thread4ENTRY]don't care [364] thread4ENTRY-->L72-4: Formula: (= |v_thread4Thread1of1ForFork2_~i~3#1_1| 0) InVars {} OutVars{thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_1|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_~i~3#1] 14055#[L72-4, thread1ENTRY, L91-4, thread2ENTRY, thread3ENTRY]don't care [2022-07-26 13:53:31,453 INFO L735 eck$LassoCheckResult]: Loop: 14055#[L72-4, thread1ENTRY, L91-4, thread2ENTRY, thread3ENTRY]don't care [469] L72-4-->L72-4: Formula: (and (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (= (+ v_~counter2~0_84 1) v_~counter2~0_85) (< |v_thread4Thread1of1ForFork2_~i~3#1_36| v_~N~0_53) (= (ite (< 0 v_~counter2~0_85) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|) (not (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17| 0)) (= (+ |v_thread4Thread1of1ForFork2_~i~3#1_36| 1) |v_thread4Thread1of1ForFork2_~i~3#1_35|)) InVars {~counter2~0=v_~counter2~0_85, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_36|, ~N~0=v_~N~0_53} OutVars{~counter2~0=v_~counter2~0_84, thread4Thread1of1ForFork2_~i~3#1=|v_thread4Thread1of1ForFork2_~i~3#1_35|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_17|, thread4Thread1of1ForFork2_#t~post7#1=|v_thread4Thread1of1ForFork2_#t~post7#1_15|, thread4Thread1of1ForFork2_#t~post8#1=|v_thread4Thread1of1ForFork2_#t~post8#1_17|, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_17|, ~N~0=v_~N~0_53} AuxVars[] AssignedVars[~counter2~0, thread4Thread1of1ForFork2_~i~3#1, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_#t~post7#1, thread4Thread1of1ForFork2_#t~post8#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 14055#[L72-4, thread1ENTRY, L91-4, thread2ENTRY, thread3ENTRY]don't care [2022-07-26 13:53:31,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:31,454 INFO L85 PathProgramCache]: Analyzing trace with hash 367336914, now seen corresponding path program 1 times [2022-07-26 13:53:31,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:31,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594385199] [2022-07-26 13:53:31,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:31,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:31,478 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:31,494 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:31,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:31,495 INFO L85 PathProgramCache]: Analyzing trace with hash 500, now seen corresponding path program 1 times [2022-07-26 13:53:31,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:31,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604566332] [2022-07-26 13:53:31,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:31,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:31,497 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-26 13:53:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-26 13:53:31,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-26 13:53:31,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:31,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1497457085, now seen corresponding path program 1 times [2022-07-26 13:53:31,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-26 13:53:31,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647297893] [2022-07-26 13:53:31,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-26 13:53:31,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-26 13:53:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:31,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:53:31,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-26 13:53:31,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647297893] [2022-07-26 13:53:31,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647297893] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-26 13:53:31,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-26 13:53:31,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-07-26 13:53:31,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051988138] [2022-07-26 13:53:31,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-26 13:53:31,553 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:31,553 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:31,553 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:31,553 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:31,553 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-26 13:53:31,553 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:31,554 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:31,554 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:31,554 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration4_Loop [2022-07-26 13:53:31,554 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:31,554 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:31,555 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,558 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,560 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,561 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,563 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,564 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,567 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,569 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,570 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,572 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,575 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,576 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,579 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,647 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:31,648 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-26 13:53:31,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:31,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:31,651 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:31,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-07-26 13:53:31,654 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-26 13:53:31,654 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:31,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-07-26 13:53:31,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:31,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:31,675 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:31,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-07-26 13:53:31,677 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-26 13:53:31,677 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-26 13:53:31,807 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-26 13:53:31,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2022-07-26 13:53:31,810 INFO L210 LassoAnalysis]: Preferences: [2022-07-26 13:53:31,810 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-26 13:53:31,810 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-26 13:53:31,810 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-26 13:53:31,810 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-26 13:53:31,810 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:31,810 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-26 13:53:31,810 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-26 13:53:31,810 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration4_Loop [2022-07-26 13:53:31,810 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-26 13:53:31,810 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-26 13:53:31,811 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,813 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,815 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,818 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,820 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,822 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,824 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,827 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,828 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,833 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,834 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,835 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,839 INFO L142 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-26 13:53:31,911 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-26 13:53:31,911 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-26 13:53:31,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:31,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:31,918 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:31,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-07-26 13:53:31,924 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 [2022-07-26 13:53:31,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:31,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:31,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:31,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:31,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:31,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:31,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:31,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-07-26 13:53:31,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:31,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:31,955 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:31,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-07-26 13:53:31,957 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 [2022-07-26 13:53:31,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:31,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:31,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:31,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:31,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-26 13:53:31,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-26 13:53:31,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-26 13:53:31,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-07-26 13:53:31,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:31,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:31,987 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:31,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-07-26 13:53:31,988 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 [2022-07-26 13:53:31,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-26 13:53:31,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-26 13:53:31,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-26 13:53:31,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-26 13:53:31,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-26 13:53:31,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-26 13:53:31,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-26 13:53:32,003 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-26 13:53:32,005 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-26 13:53:32,005 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-26 13:53:32,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:53:32,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:53:32,006 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-26 13:53:32,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-07-26 13:53:32,008 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-26 13:53:32,008 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-26 13:53:32,008 INFO L513 LassoAnalysis]: Proved termination. [2022-07-26 13:53:32,008 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread4Thread1of1ForFork2_~i~3#1) = 1*~N~0 - 1*thread4Thread1of1ForFork2_~i~3#1 Supporting invariants [] [2022-07-26 13:53:32,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:32,023 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-26 13:53:32,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-26 13:53:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:32,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-26 13:53:32,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-26 13:53:32,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-26 13:53:32,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-26 13:53:32,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-26 13:53:32,069 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-07-26 13:53:32,069 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1626 states and 8945 transitions. cyclomatic complexity: 7821 Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-07-26 13:53:32,144 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1626 states and 8945 transitions. cyclomatic complexity: 7821. Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 3523 states and 18843 transitions. Complement of second has 4 states. [2022-07-26 13:53:32,144 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 [2022-07-26 13:53:32,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-07-26 13:53:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2022-07-26 13:53:32,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 59 transitions. Stem has 9 letters. Loop has 1 letters. [2022-07-26 13:53:32,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:32,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 59 transitions. Stem has 10 letters. Loop has 1 letters. [2022-07-26 13:53:32,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:32,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 59 transitions. Stem has 9 letters. Loop has 2 letters. [2022-07-26 13:53:32,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-26 13:53:32,145 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3523 states and 18843 transitions. [2022-07-26 13:53:32,181 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:53:32,181 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3523 states to 0 states and 0 transitions. [2022-07-26 13:53:32,181 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-26 13:53:32,181 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-26 13:53:32,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-26 13:53:32,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-26 13:53:32,181 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:53:32,181 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:53:32,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-26 13:53:32,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-26 13:53:32,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-26 13:53:32,182 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-07-26 13:53:32,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-26 13:53:32,182 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-07-26 13:53:32,182 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-07-26 13:53:32,182 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:53:32,182 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-07-26 13:53:32,182 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-26 13:53:32,220 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-26 13:53:32,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-26 13:53:32,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-26 13:53:32,220 INFO L220 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:53:32,220 INFO L242 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:53:32,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-26 13:53:32,221 INFO L426 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-26 13:53:32,221 INFO L333 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-26 13:53:32,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-26 13:53:32,221 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 13:53:32,221 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 13:53:32,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 01:53:32 BoogieIcfgContainer [2022-07-26 13:53:32,227 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 13:53:32,227 INFO L158 Benchmark]: Toolchain (without parser) took 9097.94ms. Allocated memory was 261.1MB in the beginning and 494.9MB in the end (delta: 233.8MB). Free memory was 230.4MB in the beginning and 430.8MB in the end (delta: -200.4MB). Peak memory consumption was 257.0MB. Max. memory is 8.0GB. [2022-07-26 13:53:32,227 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 261.1MB. Free memory is still 217.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:53:32,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.48ms. Allocated memory was 261.1MB in the beginning and 412.1MB in the end (delta: 151.0MB). Free memory was 230.0MB in the beginning and 380.2MB in the end (delta: -150.2MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. [2022-07-26 13:53:32,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.91ms. Allocated memory is still 412.1MB. Free memory was 379.7MB in the beginning and 378.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 13:53:32,228 INFO L158 Benchmark]: Boogie Preprocessor took 29.31ms. Allocated memory is still 412.1MB. Free memory was 378.1MB in the beginning and 376.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 13:53:32,228 INFO L158 Benchmark]: RCFGBuilder took 403.98ms. Allocated memory is still 412.1MB. Free memory was 376.5MB in the beginning and 359.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-07-26 13:53:32,228 INFO L158 Benchmark]: BuchiAutomizer took 8371.38ms. Allocated memory was 412.1MB in the beginning and 494.9MB in the end (delta: 82.8MB). Free memory was 359.7MB in the beginning and 430.8MB in the end (delta: -71.1MB). Peak memory consumption was 235.4MB. Max. memory is 8.0GB. [2022-07-26 13:53:32,230 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 261.1MB. Free memory is still 217.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 249.48ms. Allocated memory was 261.1MB in the beginning and 412.1MB in the end (delta: 151.0MB). Free memory was 230.0MB in the beginning and 380.2MB in the end (delta: -150.2MB). Peak memory consumption was 8.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.91ms. Allocated memory is still 412.1MB. Free memory was 379.7MB in the beginning and 378.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.31ms. Allocated memory is still 412.1MB. Free memory was 378.1MB in the beginning and 376.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 403.98ms. Allocated memory is still 412.1MB. Free memory was 376.5MB in the beginning and 359.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * BuchiAutomizer took 8371.38ms. Allocated memory was 412.1MB in the beginning and 494.9MB in the end (delta: 82.8MB). Free memory was 359.7MB in the beginning and 430.8MB in the end (delta: -71.1MB). Peak memory consumption was 235.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (2 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + N and consists of 4 locations. One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. One deterministic module has affine ranking function -1 * i + N and consists of 3 locations. One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.2s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 1183 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.2s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 188 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 184 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 256 IncrementalHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 32 mSDtfsCounter, 256 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT2 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax359 hnf100 lsp14 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 23 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.1s InitialAbstractionConstructionTime: 2.8s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.8s, 122 PlacesBefore, 38 PlacesAfterwards, 118 TransitionsBefore, 29 TransitionsAfterwards, 2520 CoEnabledTransitionPairs, 6 FixpointIterations, 44 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 8 ConcurrentYvCompositions, 5 ChoiceCompositions, 97 TotalNumberOfCompositions, 2446 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2373, positive: 2369, positive conditional: 0, positive unconditional: 2369, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1662, positive: 1658, positive conditional: 0, positive unconditional: 1658, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1662, positive: 1655, positive conditional: 0, positive unconditional: 1655, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2373, positive: 711, positive conditional: 0, positive unconditional: 711, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1662, unknown conditional: 0, unknown unconditional: 1662] , Statistics on independence cache: Total cache size (in pairs): 112, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 RESULT: Ultimate proved your program to be correct! [2022-07-26 13:53:32,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-07-26 13:53:32,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-07-26 13:53:32,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...