/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_PETRI_NET --buchiautomizer.use.buchi.petri.net.intersection.optimizations false --buchiautomizer.use.automata.for.buchi.petri.net.emptiness.check true -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-10 01:17:24,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 01:17:24,399 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-10 01:17:24,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 01:17:24,406 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 01:17:24,406 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 01:17:24,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 01:17:24,445 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 01:17:24,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 01:17:24,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 01:17:24,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 01:17:24,451 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 01:17:24,452 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 01:17:24,453 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 01:17:24,453 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 01:17:24,454 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 01:17:24,454 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 01:17:24,454 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 01:17:24,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 01:17:24,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 01:17:24,455 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 01:17:24,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 01:17:24,456 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 01:17:24,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 01:17:24,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 01:17:24,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 01:17:24,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 01:17:24,458 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 01:17:24,458 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 01:17:24,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 01:17:24,459 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 01:17:24,459 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 01:17:24,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 01:17:24,460 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 01:17:24,460 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 01:17:24,460 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 01:17:24,460 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 01:17:24,461 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 01:17:24,461 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> true [2024-02-10 01:17:24,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 01:17:24,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 01:17:24,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 01:17:24,841 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-10 01:17:24,842 INFO L274 PluginConnector]: CDTParser initialized [2024-02-10 01:17:24,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2024-02-10 01:17:26,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-10 01:17:26,467 INFO L384 CDTParser]: Found 1 translation units. [2024-02-10 01:17:26,468 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2024-02-10 01:17:26,477 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/595473da6/aa8f671a7fb84262ba6c02b925885e7e/FLAG57995c7e6 [2024-02-10 01:17:26,510 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/595473da6/aa8f671a7fb84262ba6c02b925885e7e [2024-02-10 01:17:26,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 01:17:26,513 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-10 01:17:26,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-10 01:17:26,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-10 01:17:26,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-10 01:17:26,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 01:17:26" (1/1) ... [2024-02-10 01:17:26,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@219947b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:17:26, skipping insertion in model container [2024-02-10 01:17:26,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 01:17:26" (1/1) ... [2024-02-10 01:17:26,562 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-10 01:17:26,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-10 01:17:26,705 INFO L202 MainTranslator]: Completed pre-run [2024-02-10 01:17:26,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-10 01:17:26,757 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-02-10 01:17:26,761 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-02-10 01:17:26,767 INFO L206 MainTranslator]: Completed translation [2024-02-10 01:17:26,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:17:26 WrapperNode [2024-02-10 01:17:26,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-10 01:17:26,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 01:17:26,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 01:17:26,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 01:17:26,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:17:26" (1/1) ... [2024-02-10 01:17:26,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:17:26" (1/1) ... [2024-02-10 01:17:26,814 INFO L138 Inliner]: procedures = 23, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 119 [2024-02-10 01:17:26,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 01:17:26,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 01:17:26,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 01:17:26,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 01:17:26,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:17:26" (1/1) ... [2024-02-10 01:17:26,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:17:26" (1/1) ... [2024-02-10 01:17:26,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:17:26" (1/1) ... [2024-02-10 01:17:26,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:17:26" (1/1) ... [2024-02-10 01:17:26,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:17:26" (1/1) ... [2024-02-10 01:17:26,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:17:26" (1/1) ... [2024-02-10 01:17:26,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:17:26" (1/1) ... [2024-02-10 01:17:26,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:17:26" (1/1) ... [2024-02-10 01:17:26,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 01:17:26,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 01:17:26,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 01:17:26,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 01:17:26,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:17:26" (1/1) ... [2024-02-10 01:17:26,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:26,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:26,917 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) [2024-02-10 01:17:26,937 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 [2024-02-10 01:17:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-10 01:17:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-10 01:17:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-10 01:17:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-10 01:17:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-10 01:17:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-10 01:17:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-10 01:17:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-02-10 01:17:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-02-10 01:17:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-02-10 01:17:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-10 01:17:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-02-10 01:17:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-10 01:17:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-10 01:17:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 01:17:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 01:17:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-02-10 01:17:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-10 01:17:26,985 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-10 01:17:27,178 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 01:17:27,189 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 01:17:27,494 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 01:17:27,570 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 01:17:27,570 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2024-02-10 01:17:27,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:17:27 BoogieIcfgContainer [2024-02-10 01:17:27,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 01:17:27,574 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 01:17:27,574 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 01:17:27,577 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 01:17:27,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:17:27,578 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.02 01:17:26" (1/3) ... [2024-02-10 01:17:27,578 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49c834a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 01:17:27, skipping insertion in model container [2024-02-10 01:17:27,578 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:17:27,578 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 01:17:26" (2/3) ... [2024-02-10 01:17:27,579 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49c834a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 01:17:27, skipping insertion in model container [2024-02-10 01:17:27,579 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 01:17:27,579 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 01:17:27" (3/3) ... [2024-02-10 01:17:27,580 INFO L332 chiAutomizerObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2024-02-10 01:17:27,684 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-02-10 01:17:27,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 130 places, 130 transitions, 288 flow [2024-02-10 01:17:27,781 INFO L124 PetriNetUnfolderBase]: 9/122 cut-off events. [2024-02-10 01:17:27,781 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-02-10 01:17:27,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 122 events. 9/122 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 105 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2024-02-10 01:17:27,787 INFO L82 GeneralOperation]: Start removeDead. Operand has 130 places, 130 transitions, 288 flow [2024-02-10 01:17:27,796 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 122 transitions, 268 flow [2024-02-10 01:17:27,802 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 01:17:27,802 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 01:17:27,802 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 01:17:27,802 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 01:17:27,803 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 01:17:27,803 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 01:17:27,803 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 01:17:27,803 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 01:17:27,803 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:17:27,804 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 126 places, 122 transitions, 268 flow [2024-02-10 01:17:29,934 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 50037 states, 50036 states have (on average 4.952774002718043) internal successors, (247817), 50036 states have internal predecessors, (247817), 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) [2024-02-10 01:17:30,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 50037 states, 50036 states have (on average 4.952774002718043) internal successors, (247817), 50036 states have internal predecessors, (247817), 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) [2024-02-10 01:17:32,330 INFO L131 ngComponentsAnalysis]: Automaton has 3611 accepting balls. 46095 [2024-02-10 01:17:32,331 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:17:32,331 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:17:32,337 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 01:17:32,338 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:17:32,338 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 126 places, 122 transitions, 268 flow [2024-02-10 01:17:33,786 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 50037 states, 50036 states have (on average 4.952774002718043) internal successors, (247817), 50036 states have internal predecessors, (247817), 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) [2024-02-10 01:17:33,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 50037 states, 50036 states have (on average 4.952774002718043) internal successors, (247817), 50036 states have internal predecessors, (247817), 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) [2024-02-10 01:17:35,335 INFO L131 ngComponentsAnalysis]: Automaton has 3611 accepting balls. 46095 [2024-02-10 01:17:35,335 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:17:35,335 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:17:35,342 INFO L748 eck$LassoCheckResult]: Stem: Black: 100209#[$Ultimate##0]don't care [246] $Ultimate##0-->L-1: Formula: (= (select |v_#valid_17| 0) 0) InVars {#valid=|v_#valid_17|} OutVars{#valid=|v_#valid_17|} AuxVars[] AssignedVars[] 100212#[L-1]don't care [257] L-1-->L21: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] 100214#[L21]don't care [301] L21-->L21-1: Formula: (and (= (select |v_#length_9| 1) 2) (= 1 (select |v_#valid_18| 1))) InVars {#length=|v_#length_9|, #valid=|v_#valid_18|} OutVars{#length=|v_#length_9|, #valid=|v_#valid_18|} AuxVars[] AssignedVars[] 100216#[L21-1]don't care [323] L21-1-->L21-2: Formula: (= 48 (select (select |v_#memory_int_13| 1) 0)) InVars {#memory_int=|v_#memory_int_13|} OutVars{#memory_int=|v_#memory_int_13|} AuxVars[] AssignedVars[] 100218#[L21-2]don't care [259] L21-2-->L21-3: Formula: (= (select (select |v_#memory_int_14| 1) 1) 0) InVars {#memory_int=|v_#memory_int_14|} OutVars{#memory_int=|v_#memory_int_14|} AuxVars[] AssignedVars[] 100220#[L21-3]don't care [294] L21-3-->L21-4: Formula: (and (= (select |v_#valid_19| 2) 1) (= (select |v_#length_10| 2) 33)) InVars {#length=|v_#length_10|, #valid=|v_#valid_19|} OutVars{#length=|v_#length_10|, #valid=|v_#valid_19|} AuxVars[] AssignedVars[] 100222#[L21-4]don't care [276] L21-4-->L38: Formula: (= 0 v_~N~0_10) InVars {} OutVars{~N~0=v_~N~0_10} AuxVars[] AssignedVars[~N~0] 100224#[L38]don't care [277] L38-->L38-1: Formula: (= v_~counter1~0_7 0) InVars {} OutVars{~counter1~0=v_~counter1~0_7} AuxVars[] AssignedVars[~counter1~0] 100226#[L38-1]don't care [295] L38-1-->L-1-1: Formula: (= v_~counter2~0_7 0) InVars {} OutVars{~counter2~0=v_~counter2~0_7} AuxVars[] AssignedVars[~counter2~0] 100228#[L-1-1]don't care [333] L-1-1-->L-1-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] 100230#[L-1-2]don't care [336] L-1-2-->L83: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_5|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_6|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_6|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_4|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_6|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_6|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_4|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_6|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_4|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_5|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_3|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_5|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_5|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_3|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_5|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_6|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_3|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_6|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_3|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_6|} 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, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~mem21#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, ULTIMATE.start_main_#t~nondet13#1, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet15#1, ULTIMATE.start_main_~#t2~0#1.base] 100232#[L83]don't care [238] L83-->L83-1: Formula: (and (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_7| 0)) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_7| 0) (= (select |v_#valid_21| |v_ULTIMATE.start_main_~#t1~0#1.base_7|) 0) (= (store |v_#valid_21| |v_ULTIMATE.start_main_~#t1~0#1.base_7| 1) |v_#valid_20|) (= (store |v_#length_12| |v_ULTIMATE.start_main_~#t1~0#1.base_7| 4) |v_#length_11|) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t1~0#1.base_7|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_12|, #valid=|v_#valid_21|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_11|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_7|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_7|, #valid=|v_#valid_20|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 100234#[L83-1]don't care [279] L83-1-->L83-2: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_7|) (= |v_#valid_22| (store |v_#valid_23| |v_ULTIMATE.start_main_~#t2~0#1.base_7| 1)) (= (select |v_#valid_23| |v_ULTIMATE.start_main_~#t2~0#1.base_7|) 0) (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#t2~0#1.base_7|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2~0#1.base_7| 4) |v_#length_13|) (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_7| 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_14|, #valid=|v_#valid_23|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_7|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_7|, #valid=|v_#valid_22|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 100236#[L83-2]don't care [317] L83-2-->L83-3: Formula: (and (< |v_#StackHeapBarrier_4| |v_ULTIMATE.start_main_~#t3~0#1.base_7|) (= (select |v_#valid_25| |v_ULTIMATE.start_main_~#t3~0#1.base_7|) 0) (= |v_#valid_24| (store |v_#valid_25| |v_ULTIMATE.start_main_~#t3~0#1.base_7| 1)) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_7| 0) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t3~0#1.base_7| 4)) (not (= |v_ULTIMATE.start_main_~#t3~0#1.base_7| 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_16|, #valid=|v_#valid_25|} OutVars{ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_7|, #StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_15|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_7|, #valid=|v_#valid_24|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t3~0#1.offset, #valid, ULTIMATE.start_main_~#t3~0#1.base, #length] 100238#[L83-3]don't care [322] L83-3-->L83-4: Formula: (and (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t4~0#1.base_7| 4) |v_#length_17|) (< |v_#StackHeapBarrier_5| |v_ULTIMATE.start_main_~#t4~0#1.base_7|) (= (select |v_#valid_27| |v_ULTIMATE.start_main_~#t4~0#1.base_7|) 0) (not (= |v_ULTIMATE.start_main_~#t4~0#1.base_7| 0)) (= (store |v_#valid_27| |v_ULTIMATE.start_main_~#t4~0#1.base_7| 1) |v_#valid_26|) (= |v_ULTIMATE.start_main_~#t4~0#1.offset_7| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_18|, #valid=|v_#valid_27|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_17|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_7|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_7|, #valid=|v_#valid_26|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base] 100240#[L83-4]don't care [278] L83-4-->L85: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1] 100242#[L85]don't care [254] L85-->L85-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet9#1_2| v_~N~0_9) InVars {ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|, ~N~0=v_~N~0_9} AuxVars[] AssignedVars[~N~0] 100244#[L85-1]don't care [267] L85-1-->L88: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1] 100246#[L88]don't care [298] L88-->L88-1: Formula: (= |v_ULTIMATE.start_main_#t~pre10#1_1| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre10#1] 100248#[L88-1]don't care [321] L88-1-->L88-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 100250#[L88-2]don't care [235] L88-2-->L88-3: Formula: (and (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_1| 4) (select |v_#length_1| |v_ULTIMATE.start_main_~#t1~0#1.base_1|)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_1|) (= (select |v_#valid_1| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) 1) (= (store |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| (store (select |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) |v_ULTIMATE.start_main_~#t1~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre10#1_2|)) |v_#memory_int_1|)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_2|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_2|, #length=|v_#length_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} OutVars{ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_2|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #length=|v_#length_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} AuxVars[] AssignedVars[#memory_int] 100252#[L88-3]don't care [392] L88-3-->$Ultimate##0: Formula: (and (= 0 v_thread1Thread1of1ForFork1_thidvar1_2) (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_7|)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_7|} 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_7|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_14, 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] 100254#[$Ultimate##0, L88-4]don't care [343] $Ultimate##0-->L41-4: Formula: (= v_thread1Thread1of1ForFork1_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 100258#[L88-4, L41-4]don't care [2024-02-10 01:17:35,343 INFO L750 eck$LassoCheckResult]: Loop: 100258#[L88-4, L41-4]don't care [344] L41-4-->L42: Formula: (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_2) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_2} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_2} AuxVars[] AssignedVars[] 100264#[L88-4, L42]don't care [347] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork1_#t~post2=|v_thread1Thread1of1ForFork1_#t~post2_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post2, ~counter1~0] 100276#[L88-4, L44]don't care [349] L44-->L41-2: Formula: (= |v_thread1Thread1of1ForFork1_#t~post1_1| v_thread1Thread1of1ForFork1_~i~0_9) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_9} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_9, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_1|} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1] 100292#[L88-4, L41-2]don't care [351] L41-2-->L41-3: Formula: (= v_thread1Thread1of1ForFork1_~i~0_11 (+ |v_thread1Thread1of1ForFork1_#t~post1_3| 1)) InVars {thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_3|} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_11, thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_3|} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_~i~0] 100312#[L88-4, L41-3]don't care [353] L41-3-->L41-4: Formula: true InVars {} OutVars{thread1Thread1of1ForFork1_#t~post1=|v_thread1Thread1of1ForFork1_#t~post1_5|} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1] 100258#[L88-4, L41-4]don't care [2024-02-10 01:17:35,347 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:17:35,347 INFO L85 PathProgramCache]: Analyzing trace with hash 874720466, now seen corresponding path program 1 times [2024-02-10 01:17:35,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:17:35,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867742913] [2024-02-10 01:17:35,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:17:35,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:17:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:17:35,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:17:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:17:35,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:17:35,526 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:17:35,526 INFO L85 PathProgramCache]: Analyzing trace with hash 357004475, now seen corresponding path program 1 times [2024-02-10 01:17:35,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:17:35,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693121919] [2024-02-10 01:17:35,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:17:35,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:17:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:17:35,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:17:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:17:35,559 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:17:35,560 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:17:35,560 INFO L85 PathProgramCache]: Analyzing trace with hash 2028249738, now seen corresponding path program 1 times [2024-02-10 01:17:35,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:17:35,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089625753] [2024-02-10 01:17:35,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:17:35,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:17:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:17:35,593 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:17:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:17:35,638 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:17:35,689 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:17:35,690 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:17:35,690 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:17:35,690 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:17:35,690 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-10 01:17:35,690 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:35,691 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:17:35,691 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:17:35,691 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration1_Loop [2024-02-10 01:17:35,691 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:17:35,691 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:17:35,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:35,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:35,886 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:35,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:35,892 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:35,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:35,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:35,916 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:35,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:35,924 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:35,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:35,933 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:36,059 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:17:36,060 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-10 01:17:36,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:36,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:36,084 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) [2024-02-10 01:17:36,086 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 [2024-02-10 01:17:36,089 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 01:17:36,089 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:17:36,111 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 01:17:36,111 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: [] [2024-02-10 01:17:36,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-02-10 01:17:36,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:36,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:36,118 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) [2024-02-10 01:17:36,123 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 01:17:36,123 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:17:36,132 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 [2024-02-10 01:17:36,163 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 [2024-02-10 01:17:36,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:36,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:36,181 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) [2024-02-10 01:17:36,204 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 [2024-02-10 01:17:36,205 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-10 01:17:36,205 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:17:36,240 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 01:17:36,240 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter1~0=0} Honda state: {~counter1~0=0} Generalized eigenvectors: [{~counter1~0=2}, {~counter1~0=2}, {~counter1~0=-3}] Lambdas: [0, 1, 1] Nus: [1, 0] [2024-02-10 01:17:36,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-02-10 01:17:36,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:36,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:36,273 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) [2024-02-10 01:17:36,308 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 [2024-02-10 01:17:36,309 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 01:17:36,309 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:17:36,331 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 01:17:36,331 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: [] [2024-02-10 01:17:36,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-02-10 01:17:36,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:36,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:36,366 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) [2024-02-10 01:17:36,378 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 01:17:36,378 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:17:36,395 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 [2024-02-10 01:17:36,398 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 01:17:36,398 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: [] [2024-02-10 01:17:36,406 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 [2024-02-10 01:17:36,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:36,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:36,407 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) [2024-02-10 01:17:36,413 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 01:17:36,413 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:17:36,428 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 [2024-02-10 01:17:36,476 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 01:17:36,477 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: [] [2024-02-10 01:17:36,496 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 [2024-02-10 01:17:36,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:36,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:36,512 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) [2024-02-10 01:17:36,552 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 [2024-02-10 01:17:36,553 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 01:17:36,553 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:17:36,580 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 01:17:36,580 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: [] [2024-02-10 01:17:36,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-02-10 01:17:36,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:36,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:36,592 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) [2024-02-10 01:17:36,613 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 [2024-02-10 01:17:36,614 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 01:17:36,614 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:17:36,641 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 01:17:36,641 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_1=-1} Honda state: {v_rep#funAddr~thread4.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-10 01:17:36,666 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 [2024-02-10 01:17:36,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:36,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:36,681 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) [2024-02-10 01:17:36,682 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 [2024-02-10 01:17:36,693 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 01:17:36,694 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:17:36,728 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 01:17:36,729 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_1=1} Honda state: {v_rep#funAddr~thread2.offset_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-10 01:17:36,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-02-10 01:17:36,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:36,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:36,813 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) [2024-02-10 01:17:36,814 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 [2024-02-10 01:17:36,816 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 01:17:36,816 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:17:36,857 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 01:17:36,857 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.offset_1=2} Honda state: {v_rep#funAddr~thread3.offset_1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-10 01:17:36,880 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 [2024-02-10 01:17:36,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:36,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:36,893 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) [2024-02-10 01:17:36,894 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 [2024-02-10 01:17:36,905 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 01:17:36,905 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:17:36,926 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 01:17:36,926 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork1_#t~post1=0} Honda state: {thread1Thread1of1ForFork1_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-02-10 01:17:36,932 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-02-10 01:17:36,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:36,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:36,934 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) [2024-02-10 01:17:36,936 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 [2024-02-10 01:17:36,936 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 01:17:36,937 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:17:36,973 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 [2024-02-10 01:17:36,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:36,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:36,975 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) [2024-02-10 01:17:36,988 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 [2024-02-10 01:17:36,991 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-10 01:17:36,991 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:17:37,182 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-02-10 01:17:37,190 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 [2024-02-10 01:17:37,190 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:17:37,191 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:17:37,191 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:17:37,191 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:17:37,191 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 01:17:37,191 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:37,191 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:17:37,191 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:17:37,191 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration1_Loop [2024-02-10 01:17:37,191 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:17:37,191 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:17:37,194 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:37,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:37,199 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:37,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:37,203 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:37,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:37,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:37,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:37,212 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:37,214 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:37,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:37,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:17:37,299 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:17:37,303 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 01:17:37,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:37,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:37,329 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) [2024-02-10 01:17:37,330 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 [2024-02-10 01:17:37,333 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 [2024-02-10 01:17:37,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:17:37,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:17:37,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:17:37,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:17:37,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:17:37,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:17:37,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:17:37,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:17:37,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-02-10 01:17:37,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:37,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:37,359 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) [2024-02-10 01:17:37,362 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 [2024-02-10 01:17:37,362 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 [2024-02-10 01:17:37,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:17:37,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:17:37,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:17:37,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:17:37,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:17:37,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:17:37,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:17:37,388 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 [2024-02-10 01:17:37,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:37,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:37,389 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) [2024-02-10 01:17:37,392 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 [2024-02-10 01:17:37,394 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 [2024-02-10 01:17:37,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:17:37,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:17:37,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:17:37,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:17:37,403 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:17:37,403 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:17:37,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:17:37,453 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 [2024-02-10 01:17:37,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:37,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:37,465 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) [2024-02-10 01:17:37,467 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 [2024-02-10 01:17:37,482 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 [2024-02-10 01:17:37,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:17:37,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:17:37,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:17:37,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:17:37,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:17:37,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:17:37,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:17:37,514 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 [2024-02-10 01:17:37,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:37,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:37,529 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) [2024-02-10 01:17:37,565 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 [2024-02-10 01:17:37,572 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 [2024-02-10 01:17:37,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:17:37,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:17:37,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:17:37,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:17:37,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:17:37,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:17:37,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:17:37,592 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 [2024-02-10 01:17:37,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:37,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:37,593 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) [2024-02-10 01:17:37,601 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 [2024-02-10 01:17:37,601 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 [2024-02-10 01:17:37,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:17:37,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:17:37,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:17:37,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:17:37,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:17:37,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:17:37,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:17:37,627 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 [2024-02-10 01:17:37,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:37,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:37,628 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) [2024-02-10 01:17:37,630 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 [2024-02-10 01:17:37,631 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 [2024-02-10 01:17:37,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:17:37,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:17:37,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:17:37,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:17:37,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:17:37,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:17:37,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:17:37,657 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 [2024-02-10 01:17:37,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:37,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:37,659 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) [2024-02-10 01:17:37,661 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 [2024-02-10 01:17:37,662 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 [2024-02-10 01:17:37,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:17:37,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:17:37,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:17:37,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:17:37,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:17:37,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:17:37,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:17:37,702 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 [2024-02-10 01:17:37,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:37,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:37,705 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) [2024-02-10 01:17:37,708 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 [2024-02-10 01:17:37,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:17:37,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:17:37,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:17:37,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:17:37,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 01:17:37,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 01:17:37,724 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 [2024-02-10 01:17:37,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:17:37,736 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 [2024-02-10 01:17:37,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:37,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:37,738 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) [2024-02-10 01:17:37,741 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 [2024-02-10 01:17:37,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:17:37,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:17:37,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:17:37,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:17:37,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:17:37,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:17:37,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:17:37,751 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 [2024-02-10 01:17:37,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 01:17:37,765 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 [2024-02-10 01:17:37,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:37,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:37,766 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) [2024-02-10 01:17:37,769 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 [2024-02-10 01:17:37,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:17:37,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:17:37,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:17:37,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:17:37,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:17:37,777 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:17:37,777 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:17:37,780 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 [2024-02-10 01:17:37,788 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 01:17:37,810 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-10 01:17:37,810 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-02-10 01:17:37,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:17:37,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:17:37,813 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) [2024-02-10 01:17:37,815 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 01:17:37,816 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-02-10 01:17:37,816 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 01:17:37,816 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread1Thread1of1ForFork1_~i~0) = 1*~N~0 - 1*thread1Thread1of1ForFork1_~i~0 Supporting invariants [] [2024-02-10 01:17:37,819 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 [2024-02-10 01:17:37,822 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 [2024-02-10 01:17:37,824 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 01:17:37,845 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:17:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:17:37,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 01:17:37,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:17:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:17:37,899 WARN L260 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2024-02-10 01:17:37,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:17:37,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 01:17:37,973 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-02-10 01:17:37,975 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-02-10 01:17:38,326 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 2346 transitions.8 powerset states5 rank states. The highest rank that occured is 1 [2024-02-10 01:17:38,327 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 01:17:38,328 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-10 01:17:38,354 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-10 01:17:38,355 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 01:17:38,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2024-02-10 01:17:38,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-02-10 01:17:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 884 transitions. [2024-02-10 01:17:38,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 884 transitions. Stem has 23 letters. Loop has 5 letters. [2024-02-10 01:17:38,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:17:38,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 884 transitions. Stem has 28 letters. Loop has 5 letters. [2024-02-10 01:17:38,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:17:38,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 884 transitions. Stem has 23 letters. Loop has 10 letters. [2024-02-10 01:17:38,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:17:38,364 INFO L428 stractBuchiCegarLoop]: Abstraction has has 152 places, 4388 transitions, 18410 flow [2024-02-10 01:17:38,364 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-10 01:17:38,364 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 01:17:38,364 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 152 places, 4388 transitions, 18410 flow [2024-02-10 01:17:38,916 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 [2024-02-10 01:18:04,372 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 185362 states, 185353 states have (on average 5.7363840887387845) internal successors, (1063256), 185361 states have internal predecessors, (1063256), 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) [2024-02-10 01:18:04,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 185362 states, 185353 states have (on average 5.7363840887387845) internal successors, (1063256), 185361 states have internal predecessors, (1063256), 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) [2024-02-10 01:18:11,637 INFO L131 ngComponentsAnalysis]: Automaton has 4669 accepting balls. 85330 [2024-02-10 01:18:11,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 01:18:11,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 01:18:11,662 INFO L748 eck$LassoCheckResult]: Stem: Black: 200415#[$Ultimate##0]don't care [246] $Ultimate##0-->L-1: Formula: (= (select |v_#valid_17| 0) 0) InVars {#valid=|v_#valid_17|} OutVars{#valid=|v_#valid_17|} AuxVars[] AssignedVars[] 200418#[L-1]don't care [257] L-1-->L21: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] Black: 200423#[L21]don't care [301] L21-->L21-1: Formula: (and (= (select |v_#length_9| 1) 2) (= 1 (select |v_#valid_18| 1))) InVars {#length=|v_#length_9|, #valid=|v_#valid_18|} OutVars{#length=|v_#length_9|, #valid=|v_#valid_18|} AuxVars[] AssignedVars[] 200431#[L21-1]don't care [323] L21-1-->L21-2: Formula: (= 48 (select (select |v_#memory_int_13| 1) 0)) InVars {#memory_int=|v_#memory_int_13|} OutVars{#memory_int=|v_#memory_int_13|} AuxVars[] AssignedVars[] Black: 200439#[L21-2]don't care [259] L21-2-->L21-3: Formula: (= (select (select |v_#memory_int_14| 1) 1) 0) InVars {#memory_int=|v_#memory_int_14|} OutVars{#memory_int=|v_#memory_int_14|} AuxVars[] AssignedVars[] 200447#[L21-3]don't care [294] L21-3-->L21-4: Formula: (and (= (select |v_#valid_19| 2) 1) (= (select |v_#length_10| 2) 33)) InVars {#length=|v_#length_10|, #valid=|v_#valid_19|} OutVars{#length=|v_#length_10|, #valid=|v_#valid_19|} AuxVars[] AssignedVars[] Black: 200455#[L21-4]don't care [276] L21-4-->L38: Formula: (= 0 v_~N~0_10) InVars {} OutVars{~N~0=v_~N~0_10} AuxVars[] AssignedVars[~N~0] 200463#[L38]don't care [277] L38-->L38-1: Formula: (= v_~counter1~0_7 0) InVars {} OutVars{~counter1~0=v_~counter1~0_7} AuxVars[] AssignedVars[~counter1~0] Black: 200471#[L38-1]don't care [295] L38-1-->L-1-1: Formula: (= v_~counter2~0_7 0) InVars {} OutVars{~counter2~0=v_~counter2~0_7} AuxVars[] AssignedVars[~counter2~0] 200479#[L-1-1]don't care [333] L-1-1-->L-1-2: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] Black: 200487#[L-1-2]don't care [336] L-1-2-->L83: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_5|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_6|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_6|, ULTIMATE.start_main_#t~mem18#1=|v_ULTIMATE.start_main_#t~mem18#1_4|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_6|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_6|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_4|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_6|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_4|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_5|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_3|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_5|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_5|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_3|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_5|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_6|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_3|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_6|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_3|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_6|} 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, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~mem21#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, ULTIMATE.start_main_#t~nondet13#1, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet15#1, ULTIMATE.start_main_~#t2~0#1.base] 200495#[L83]don't care [238] L83-->L83-1: Formula: (and (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_7| 0)) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_7| 0) (= (select |v_#valid_21| |v_ULTIMATE.start_main_~#t1~0#1.base_7|) 0) (= (store |v_#valid_21| |v_ULTIMATE.start_main_~#t1~0#1.base_7| 1) |v_#valid_20|) (= (store |v_#length_12| |v_ULTIMATE.start_main_~#t1~0#1.base_7| 4) |v_#length_11|) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t1~0#1.base_7|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_12|, #valid=|v_#valid_21|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_11|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_7|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_7|, #valid=|v_#valid_20|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] Black: 200503#[L83-1]don't care [279] L83-1-->L83-2: Formula: (and (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_7|) (= |v_#valid_22| (store |v_#valid_23| |v_ULTIMATE.start_main_~#t2~0#1.base_7| 1)) (= (select |v_#valid_23| |v_ULTIMATE.start_main_~#t2~0#1.base_7|) 0) (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#t2~0#1.base_7|) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t2~0#1.base_7| 4) |v_#length_13|) (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_7| 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_14|, #valid=|v_#valid_23|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_7|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_7|, #valid=|v_#valid_22|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 200511#[L83-2]don't care [317] L83-2-->L83-3: Formula: (and (< |v_#StackHeapBarrier_4| |v_ULTIMATE.start_main_~#t3~0#1.base_7|) (= (select |v_#valid_25| |v_ULTIMATE.start_main_~#t3~0#1.base_7|) 0) (= |v_#valid_24| (store |v_#valid_25| |v_ULTIMATE.start_main_~#t3~0#1.base_7| 1)) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_7| 0) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t3~0#1.base_7| 4)) (not (= |v_ULTIMATE.start_main_~#t3~0#1.base_7| 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_16|, #valid=|v_#valid_25|} OutVars{ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_7|, #StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_15|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_7|, #valid=|v_#valid_24|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t3~0#1.offset, #valid, ULTIMATE.start_main_~#t3~0#1.base, #length] Black: 200519#[L83-3]don't care [322] L83-3-->L83-4: Formula: (and (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t4~0#1.base_7| 4) |v_#length_17|) (< |v_#StackHeapBarrier_5| |v_ULTIMATE.start_main_~#t4~0#1.base_7|) (= (select |v_#valid_27| |v_ULTIMATE.start_main_~#t4~0#1.base_7|) 0) (not (= |v_ULTIMATE.start_main_~#t4~0#1.base_7| 0)) (= (store |v_#valid_27| |v_ULTIMATE.start_main_~#t4~0#1.base_7| 1) |v_#valid_26|) (= |v_ULTIMATE.start_main_~#t4~0#1.offset_7| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_18|, #valid=|v_#valid_27|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_17|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_7|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_7|, #valid=|v_#valid_26|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base] 200527#[L83-4]don't care [278] L83-4-->L85: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1] Black: 200535#[L85]don't care [254] L85-->L85-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet9#1_2| v_~N~0_9) InVars {ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|, ~N~0=v_~N~0_9} AuxVars[] AssignedVars[~N~0] 200543#[L85-1]don't care [267] L85-1-->L88: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1] Black: 200551#[L88]don't care [298] L88-->L88-1: Formula: (= |v_ULTIMATE.start_main_#t~pre10#1_1| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre10#1] 200559#[L88-1]don't care [321] L88-1-->L88-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] Black: 200567#[L88-2]don't care [235] L88-2-->L88-3: Formula: (and (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_1| 4) (select |v_#length_1| |v_ULTIMATE.start_main_~#t1~0#1.base_1|)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_1|) (= (select |v_#valid_1| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) 1) (= (store |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| (store (select |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) |v_ULTIMATE.start_main_~#t1~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre10#1_2|)) |v_#memory_int_1|)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_2|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_2|, #length=|v_#length_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} OutVars{ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_2|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #length=|v_#length_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} AuxVars[] AssignedVars[#memory_int] 200575#[L88-3]don't care [392] L88-3-->$Ultimate##0: Formula: (and (= 0 v_thread1Thread1of1ForFork1_thidvar1_2) (= v_thread1Thread1of1ForFork1_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_7|)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_7|} 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_7|, thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_14, 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] Black: 200583#[L88-4, $Ultimate##0]don't care [341] L88-4-->L88-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre10#1] 200591#[L88-5, $Ultimate##0]don't care [309] L88-5-->L89: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet11#1] Black: 200602#[L89, $Ultimate##0]don't care [284] L89-->L89-1: Formula: (= |v_ULTIMATE.start_main_#t~pre12#1_1| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1] 200631#[$Ultimate##0, L89-1]don't care [263] L89-1-->L89-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] Black: 200682#[$Ultimate##0, L89-2]don't care [291] L89-2-->L89-3: Formula: (and (= (select |v_#valid_2| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) 1) (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) |v_ULTIMATE.start_main_~#t2~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre12#1_2|)) |v_#memory_int_3|) (<= (+ 4 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|) (select |v_#length_2| |v_ULTIMATE.start_main_~#t2~0#1.base_1|)) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, #valid=|v_#valid_2|, #memory_int=|v_#memory_int_4|, #length=|v_#length_2|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, #valid=|v_#valid_2|, #memory_int=|v_#memory_int_3|, #length=|v_#length_2|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} AuxVars[] AssignedVars[#memory_int] 200750#[L89-3, $Ultimate##0]don't care [398] L89-3-->$Ultimate##0: Formula: (and (= v_thread2Thread1of1ForFork3_thidvar2_2 0) (= v_thread2Thread1of1ForFork3_thidvar1_2 0) (= v_thread2Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre12#1_7|)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_7|} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_7|, 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_14|, 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] Black: 200828#[$Ultimate##0, L89-4, $Ultimate##0]don't care [354] $Ultimate##0-->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] 200921#[L51-4, L89-4, $Ultimate##0]don't care [2024-02-10 01:18:11,662 INFO L750 eck$LassoCheckResult]: Loop: 200921#[L51-4, L89-4, $Ultimate##0]don't care [355] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork3_~i~1#1_3| v_~N~0_4) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_3|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_3|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[] Black: 201031#[L52, L89-4, $Ultimate##0]don't care [358] L52-->L55: Formula: (and (= v_~counter1~0_39 (+ v_~counter1~0_38 1)) (not (= (ite (< 0 v_~counter1~0_39) 1 0) 0))) InVars {~counter1~0=v_~counter1~0_39} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~counter1~0=v_~counter1~0_38} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] 201160#[L55, L89-4, $Ultimate##0]don't care [360] L55-->L51-2: Formula: (= |v_thread2Thread1of1ForFork3_#t~post3#1_1| |v_thread2Thread1of1ForFork3_~i~1#1_9|) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_9|} OutVars{thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_1|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post3#1] Black: 201360#[L51-2, L89-4, $Ultimate##0]don't care [362] L51-2-->L51-3: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_11| (+ |v_thread2Thread1of1ForFork3_#t~post3#1_3| 1)) InVars {thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_3|} OutVars{thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_3|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_11|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] 201649#[L89-4, $Ultimate##0, L51-3]don't care [364] L51-3-->L51-4: Formula: true InVars {} OutVars{thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_5|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post3#1] Black: 200926#[L51-4, L89-4, $Ultimate##0]don't care [355] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork3_~i~1#1_3| v_~N~0_4) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_3|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_3|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[] 201041#[L52, L89-4, $Ultimate##0]don't care [358] L52-->L55: Formula: (and (= v_~counter1~0_39 (+ v_~counter1~0_38 1)) (not (= (ite (< 0 v_~counter1~0_39) 1 0) 0))) InVars {~counter1~0=v_~counter1~0_39} OutVars{thread2Thread1of1ForFork3_#t~post4#1=|v_thread2Thread1of1ForFork3_#t~post4#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_1|, ~counter1~0=v_~counter1~0_38} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post4#1, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, ~counter1~0, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1] Black: 201176#[L55, L89-4, $Ultimate##0]don't care [360] L55-->L51-2: Formula: (= |v_thread2Thread1of1ForFork3_#t~post3#1_1| |v_thread2Thread1of1ForFork3_~i~1#1_9|) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_9|} OutVars{thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_1|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post3#1] 201378#[L51-2, L89-4, $Ultimate##0]don't care [362] L51-2-->L51-3: Formula: (= |v_thread2Thread1of1ForFork3_~i~1#1_11| (+ |v_thread2Thread1of1ForFork3_#t~post3#1_3| 1)) InVars {thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_3|} OutVars{thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_3|, thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_11|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_~i~1#1] Black: 201677#[L89-4, $Ultimate##0, L51-3]don't care [364] L51-3-->L51-4: Formula: true InVars {} OutVars{thread2Thread1of1ForFork3_#t~post3#1=|v_thread2Thread1of1ForFork3_#t~post3#1_5|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_#t~post3#1] 200921#[L51-4, L89-4, $Ultimate##0]don't care [2024-02-10 01:18:11,664 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:18:11,664 INFO L85 PathProgramCache]: Analyzing trace with hash -91627673, now seen corresponding path program 1 times [2024-02-10 01:18:11,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:18:11,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010483977] [2024-02-10 01:18:11,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:18:11,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:18:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:18:11,706 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:18:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:18:11,720 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:18:11,721 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:18:11,721 INFO L85 PathProgramCache]: Analyzing trace with hash 301824801, now seen corresponding path program 1 times [2024-02-10 01:18:11,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:18:11,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751939319] [2024-02-10 01:18:11,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:18:11,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:18:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:18:11,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 01:18:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 01:18:11,733 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 01:18:11,733 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:18:11,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1071918329, now seen corresponding path program 1 times [2024-02-10 01:18:11,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 01:18:11,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252312394] [2024-02-10 01:18:11,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 01:18:11,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 01:18:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:18:11,834 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-02-10 01:18:11,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-10 01:18:11,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252312394] [2024-02-10 01:18:11,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252312394] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-10 01:18:11,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-10 01:18:11,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-10 01:18:11,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892180706] [2024-02-10 01:18:11,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-10 01:18:11,887 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:18:11,887 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:18:11,887 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:18:11,887 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:18:11,887 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-10 01:18:11,888 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:18:11,888 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:18:11,888 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:18:11,888 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration2_Loop [2024-02-10 01:18:11,888 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:18:11,888 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:18:11,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:11,901 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:11,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:11,906 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:11,908 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:11,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:11,912 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:11,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:11,917 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:11,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:11,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:11,924 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:11,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:11,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:12,019 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:18:12,020 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-10 01:18:12,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:18:12,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:18:12,021 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) [2024-02-10 01:18:12,023 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 [2024-02-10 01:18:12,047 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 01:18:12,047 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:18:12,076 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 [2024-02-10 01:18:12,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:18:12,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:18:12,078 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) [2024-02-10 01:18:12,081 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-10 01:18:12,081 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 01:18:12,104 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 [2024-02-10 01:18:12,365 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-02-10 01:18:12,373 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 [2024-02-10 01:18:12,374 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 01:18:12,374 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 01:18:12,374 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 01:18:12,374 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 01:18:12,374 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 01:18:12,374 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:18:12,374 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 01:18:12,374 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 01:18:12,374 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration2_Loop [2024-02-10 01:18:12,374 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 01:18:12,374 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 01:18:12,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:12,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:12,390 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:12,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:12,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:12,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:12,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:12,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:12,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:12,410 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:12,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:12,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:12,415 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:12,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 01:18:12,497 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 01:18:12,497 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 01:18:12,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:18:12,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:18:12,499 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) [2024-02-10 01:18:12,502 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 [2024-02-10 01:18:12,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 01:18:12,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 01:18:12,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 01:18:12,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 01:18:12,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 01:18:12,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 01:18:12,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 01:18:12,514 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 [2024-02-10 01:18:12,524 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 01:18:12,527 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-02-10 01:18:12,527 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-02-10 01:18:12,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 01:18:12,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 01:18:12,529 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) [2024-02-10 01:18:12,533 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 01:18:12,533 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-02-10 01:18:12,533 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 01:18:12,533 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 [] [2024-02-10 01:18:12,536 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 [2024-02-10 01:18:12,540 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 [2024-02-10 01:18:12,543 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 01:18:12,553 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 01:18:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:18:12,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 01:18:12,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:18:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 01:18:12,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 7 conjunts are in the unsatisfiable core [2024-02-10 01:18:12,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 01:18:12,703 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 01:18:12,703 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2024-02-10 01:18:12,703 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 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) [2024-02-10 01:18:12,977 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 2724 transitions.9 powerset states6 rank states. The highest rank that occured is 1 [2024-02-10 01:18:12,978 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 01:18:12,978 INFO L72 uchiIntersectDefault]: Starting Basic Intersection [2024-02-10 01:18:13,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-02-10 01:18:14,321 INFO L85 uchiIntersectDefault]: Exiting Basic Intersection [2024-02-10 01:18:14,321 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 01:18:14,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2024-02-10 01:18:14,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 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) [2024-02-10 01:18:14,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1011 transitions. [2024-02-10 01:18:14,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 1011 transitions. Stem has 29 letters. Loop has 10 letters. [2024-02-10 01:18:14,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:18:14,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 1011 transitions. Stem has 39 letters. Loop has 10 letters. [2024-02-10 01:18:14,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:18:14,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 1011 transitions. Stem has 29 letters. Loop has 20 letters. [2024-02-10 01:18:14,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 01:18:14,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-10 01:18:14,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-10 01:18:14,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-10 01:18:14,370 INFO L175 Difference]: Start difference. First operand has 182 places, 186960 transitions, 1157004 flow. Second operand 3 states and 390 transitions. [2024-02-10 01:18:14,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 186960 transitions, 1157004 flow. Second operand 3 states and 390 transitions. [2024-02-10 01:18:14,372 INFO L120 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 130 [2024-02-10 01:18:14,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2024-02-10 01:21:52,744 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-02-10 01:21:53,021 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: clock still running: AutomataDifference at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopStatisticsGenerator.getValue(CegarLoopStatisticsGenerator.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmarkGenerator.getValue(BuchiCegarLoopBenchmarkGenerator.java:131) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.aggregateBenchmarkData(StatisticsData.java:60) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.(BuchiAutomizerTimingBenchmark.java:39) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:341) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-02-10 01:21:53,025 INFO L158 Benchmark]: Toolchain (without parser) took 266510.53ms. Allocated memory was 157.3MB in the beginning and 7.5GB in the end (delta: 7.4GB). Free memory was 94.4MB in the beginning and 4.3GB in the end (delta: -4.2GB). Peak memory consumption was 5.1GB. Max. memory is 8.0GB. [2024-02-10 01:21:53,025 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 157.3MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-10 01:21:53,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.64ms. Allocated memory is still 157.3MB. Free memory was 94.2MB in the beginning and 133.1MB in the end (delta: -38.9MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. [2024-02-10 01:21:53,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.97ms. Allocated memory is still 157.3MB. Free memory was 133.1MB in the beginning and 131.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-02-10 01:21:53,028 INFO L158 Benchmark]: Boogie Preprocessor took 38.61ms. Allocated memory is still 157.3MB. Free memory was 131.4MB in the beginning and 129.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-02-10 01:21:53,029 INFO L158 Benchmark]: RCFGBuilder took 718.30ms. Allocated memory is still 157.3MB. Free memory was 129.8MB in the beginning and 109.9MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-02-10 01:21:53,029 INFO L158 Benchmark]: BuchiAutomizer took 265449.84ms. Allocated memory was 157.3MB in the beginning and 7.5GB in the end (delta: 7.4GB). Free memory was 109.4MB in the beginning and 4.3GB in the end (delta: -4.2GB). Peak memory consumption was 5.1GB. Max. memory is 8.0GB. [2024-02-10 01:21:53,033 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 157.3MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 251.64ms. Allocated memory is still 157.3MB. Free memory was 94.2MB in the beginning and 133.1MB in the end (delta: -38.9MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.97ms. Allocated memory is still 157.3MB. Free memory was 133.1MB in the beginning and 131.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.61ms. Allocated memory is still 157.3MB. Free memory was 131.4MB in the beginning and 129.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 718.30ms. Allocated memory is still 157.3MB. Free memory was 129.8MB in the beginning and 109.9MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * BuchiAutomizer took 265449.84ms. Allocated memory was 157.3MB in the beginning and 7.5GB in the end (delta: 7.4GB). Free memory was 109.4MB in the beginning and 4.3GB in the end (delta: -4.2GB). Peak memory consumption was 5.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Decomposition not yet finished * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: clock still running: AutomataDifference de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: clock still running: AutomataDifference: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopStatisticsGenerator.getValue(CegarLoopStatisticsGenerator.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown