/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 true --buchiautomizer.use.automata.for.buchi.petri.net.emptiness.check true -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-10 00:08:27,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 00:08:27,210 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 00:08:27,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 00:08:27,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 00:08:27,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 00:08:27,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 00:08:27,250 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 00:08:27,250 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 00:08:27,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 00:08:27,251 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 00:08:27,251 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 00:08:27,252 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 00:08:27,252 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 00:08:27,252 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 00:08:27,252 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 00:08:27,252 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 00:08:27,253 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 00:08:27,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 00:08:27,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 00:08:27,253 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 00:08:27,254 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 00:08:27,254 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 00:08:27,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 00:08:27,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 00:08:27,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 00:08:27,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 00:08:27,255 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 00:08:27,256 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 00:08:27,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 00:08:27,256 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 00:08:27,256 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 00:08:27,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 00:08:27,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 00:08:27,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 00:08:27,257 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 00:08:27,258 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 00:08:27,258 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 00:08:27,258 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> true [2024-02-10 00:08:27,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 00:08:27,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 00:08:27,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 00:08:27,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-10 00:08:27,543 INFO L274 PluginConnector]: CDTParser initialized [2024-02-10 00:08:27,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2024-02-10 00:08:28,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-10 00:08:28,941 INFO L384 CDTParser]: Found 1 translation units. [2024-02-10 00:08:28,966 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2024-02-10 00:08:28,991 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbc826908/f76d17eb1bd04a039e945e00e514f52a/FLAGf1b75d59e [2024-02-10 00:08:29,007 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbc826908/f76d17eb1bd04a039e945e00e514f52a [2024-02-10 00:08:29,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 00:08:29,014 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-10 00:08:29,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-10 00:08:29,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-10 00:08:29,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-10 00:08:29,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 12:08:29" (1/1) ... [2024-02-10 00:08:29,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46520a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:08:29, skipping insertion in model container [2024-02-10 00:08:29,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 12:08:29" (1/1) ... [2024-02-10 00:08:29,074 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-10 00:08:29,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-10 00:08:29,320 INFO L202 MainTranslator]: Completed pre-run [2024-02-10 00:08:29,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-10 00:08:29,371 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-02-10 00:08:29,371 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-02-10 00:08:29,376 INFO L206 MainTranslator]: Completed translation [2024-02-10 00:08:29,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:08:29 WrapperNode [2024-02-10 00:08:29,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-10 00:08:29,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 00:08:29,378 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 00:08:29,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 00:08:29,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:08:29" (1/1) ... [2024-02-10 00:08:29,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:08:29" (1/1) ... [2024-02-10 00:08:29,407 INFO L138 Inliner]: procedures = 23, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 123 [2024-02-10 00:08:29,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 00:08:29,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 00:08:29,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 00:08:29,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 00:08:29,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:08:29" (1/1) ... [2024-02-10 00:08:29,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:08:29" (1/1) ... [2024-02-10 00:08:29,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:08:29" (1/1) ... [2024-02-10 00:08:29,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:08:29" (1/1) ... [2024-02-10 00:08:29,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:08:29" (1/1) ... [2024-02-10 00:08:29,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:08:29" (1/1) ... [2024-02-10 00:08:29,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:08:29" (1/1) ... [2024-02-10 00:08:29,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:08:29" (1/1) ... [2024-02-10 00:08:29,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 00:08:29,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 00:08:29,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 00:08:29,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 00:08:29,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:08:29" (1/1) ... [2024-02-10 00:08:29,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:29,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:29,456 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 00:08:29,476 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 00:08:29,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-10 00:08:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-10 00:08:29,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-10 00:08:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-10 00:08:29,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-10 00:08:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-10 00:08:29,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-10 00:08:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-02-10 00:08:29,511 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-02-10 00:08:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-02-10 00:08:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-10 00:08:29,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-02-10 00:08:29,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-10 00:08:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-10 00:08:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 00:08:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 00:08:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-02-10 00:08:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-10 00:08:29,527 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 00:08:29,607 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 00:08:29,609 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 00:08:29,784 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 00:08:29,825 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 00:08:29,825 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2024-02-10 00:08:29,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:08:29 BoogieIcfgContainer [2024-02-10 00:08:29,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 00:08:29,829 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 00:08:29,829 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 00:08:29,832 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 00:08:29,832 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:08:29,832 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.02 12:08:29" (1/3) ... [2024-02-10 00:08:29,833 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1174830d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 12:08:29, skipping insertion in model container [2024-02-10 00:08:29,833 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:08:29,833 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:08:29" (2/3) ... [2024-02-10 00:08:29,834 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1174830d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 12:08:29, skipping insertion in model container [2024-02-10 00:08:29,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:08:29,834 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:08:29" (3/3) ... [2024-02-10 00:08:29,835 INFO L332 chiAutomizerObserver]: Analyzing ICFG popl20-difference-det.wvr.c [2024-02-10 00:08:29,924 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-02-10 00:08:29,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 134 transitions, 296 flow [2024-02-10 00:08:30,013 INFO L124 PetriNetUnfolderBase]: 9/126 cut-off events. [2024-02-10 00:08:30,013 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-02-10 00:08:30,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 126 events. 9/126 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 109 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 82. Up to 2 conditions per place. [2024-02-10 00:08:30,019 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 134 transitions, 296 flow [2024-02-10 00:08:30,025 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 126 transitions, 276 flow [2024-02-10 00:08:30,031 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 00:08:30,031 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 00:08:30,032 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 00:08:30,032 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 00:08:30,032 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 00:08:30,032 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 00:08:30,033 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 00:08:30,034 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 00:08:30,034 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:08:30,034 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 130 places, 126 transitions, 276 flow [2024-02-10 00:08:32,207 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 50041 states, 50040 states have (on average 4.952458033573142) internal successors, (247821), 50040 states have internal predecessors, (247821), 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 00:08:32,457 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 50041 states, 50040 states have (on average 4.952458033573142) internal successors, (247821), 50040 states have internal predecessors, (247821), 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 00:08:34,958 INFO L131 ngComponentsAnalysis]: Automaton has 3611 accepting balls. 46095 [2024-02-10 00:08:34,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:08:34,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:08:34,968 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 00:08:34,968 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:08:34,968 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 130 places, 126 transitions, 276 flow [2024-02-10 00:08:36,515 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 50041 states, 50040 states have (on average 4.952458033573142) internal successors, (247821), 50040 states have internal predecessors, (247821), 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 00:08:36,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 50041 states, 50040 states have (on average 4.952458033573142) internal successors, (247821), 50040 states have internal predecessors, (247821), 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 00:08:38,030 INFO L131 ngComponentsAnalysis]: Automaton has 3611 accepting balls. 46095 [2024-02-10 00:08:38,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:08:38,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:08:38,061 INFO L748 eck$LassoCheckResult]: Stem: Black: 100221#[$Ultimate##0]don't care [252] $Ultimate##0-->L-1: Formula: (= (select |v_#valid_19| 0) 0) InVars {#valid=|v_#valid_19|} OutVars{#valid=|v_#valid_19|} AuxVars[] AssignedVars[] 100224#[L-1]don't care [263] L-1-->L21: Formula: (< 0 |v_#StackHeapBarrier_2|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|} AuxVars[] AssignedVars[] 100226#[L21]don't care [307] L21-->L21-1: Formula: (and (= (select |v_#valid_20| 1) 1) (= 2 (select |v_#length_11| 1))) InVars {#length=|v_#length_11|, #valid=|v_#valid_20|} OutVars{#length=|v_#length_11|, #valid=|v_#valid_20|} AuxVars[] AssignedVars[] 100228#[L21-1]don't care [330] 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[] 100230#[L21-2]don't care [266] 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[] 100232#[L21-3]don't care [301] L21-3-->L21-4: Formula: (and (= (select |v_#length_12| 2) 28) (= (select |v_#valid_21| 2) 1)) InVars {#length=|v_#length_12|, #valid=|v_#valid_21|} OutVars{#length=|v_#length_12|, #valid=|v_#valid_21|} AuxVars[] AssignedVars[] 100234#[L21-4]don't care [282] L21-4-->L38: Formula: (= v_~M~0_6 0) InVars {} OutVars{~M~0=v_~M~0_6} AuxVars[] AssignedVars[~M~0] 100236#[L38]don't care [283] L38-->L38-1: Formula: (= v_~N~0_6 0) InVars {} OutVars{~N~0=v_~N~0_6} AuxVars[] AssignedVars[~N~0] 100238#[L38-1]don't care [302] L38-1-->L38-2: Formula: (= v_~counter1~0_7 0) InVars {} OutVars{~counter1~0=v_~counter1~0_7} AuxVars[] AssignedVars[~counter1~0] 100240#[L38-2]don't care [340] L38-2-->L-1-1: Formula: (= v_~counter2~0_7 0) InVars {} OutVars{~counter2~0=v_~counter2~0_7} AuxVars[] AssignedVars[~counter2~0] 100242#[L-1-1]don't care [341] 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] 100244#[L-1-2]don't care [344] L-1-2-->L83: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_5|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_5|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_5|, 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_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_6|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_5|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_3|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_6|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_3|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_5|, 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~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_3|, 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~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_3|, 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|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_4|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_~#t2~0#1.base] 100246#[L83]don't care [244] 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) (= |v_#valid_22| (store |v_#valid_23| |v_ULTIMATE.start_main_~#t1~0#1.base_7| 1)) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1~0#1.base_7| 4) |v_#length_13|) (= (select |v_#valid_23| |v_ULTIMATE.start_main_~#t1~0#1.base_7|) 0) (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#t1~0#1.base_7|)) 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_~#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_22|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 100248#[L83-1]don't care [285] L83-1-->L83-2: Formula: (and (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2~0#1.base_7| 4) |v_#length_15|) (= (store |v_#valid_25| |v_ULTIMATE.start_main_~#t2~0#1.base_7| 1) |v_#valid_24|) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_7|) (= 0 (select |v_#valid_25| |v_ULTIMATE.start_main_~#t2~0#1.base_7|)) (< |v_#StackHeapBarrier_4| |v_ULTIMATE.start_main_~#t2~0#1.base_7|) (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_7| 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_16|, #valid=|v_#valid_25|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_15|, 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_24|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 100250#[L83-2]don't care [325] L83-2-->L83-3: Formula: (and (= |v_#valid_26| (store |v_#valid_27| |v_ULTIMATE.start_main_~#t3~0#1.base_7| 1)) (< |v_#StackHeapBarrier_5| |v_ULTIMATE.start_main_~#t3~0#1.base_7|) (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t3~0#1.base_7| 4) |v_#length_17|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_7| 0) (= (select |v_#valid_27| |v_ULTIMATE.start_main_~#t3~0#1.base_7|) 0) (not (= |v_ULTIMATE.start_main_~#t3~0#1.base_7| 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_18|, #valid=|v_#valid_27|} OutVars{ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_7|, #StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_17|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_7|, #valid=|v_#valid_26|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t3~0#1.offset, #valid, ULTIMATE.start_main_~#t3~0#1.base, #length] 100252#[L83-3]don't care [329] L83-3-->L83-4: Formula: (and (< |v_#StackHeapBarrier_1| |v_ULTIMATE.start_main_~#t4~0#1.base_1|) (not (= |v_ULTIMATE.start_main_~#t4~0#1.base_1| 0)) (= (store |v_#length_2| |v_ULTIMATE.start_main_~#t4~0#1.base_1| 4) |v_#length_1|) (= |v_ULTIMATE.start_main_~#t4~0#1.offset_1| 0) (= (select |v_#valid_2| |v_ULTIMATE.start_main_~#t4~0#1.base_1|) 0) (= (store |v_#valid_2| |v_ULTIMATE.start_main_~#t4~0#1.base_1| 1) |v_#valid_1|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_2|, #valid=|v_#valid_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_1|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_1|, #valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base] 100254#[L83-4]don't care [284] 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] 100256#[L85]don't care [260] L85-->L85-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet9#1_2| v_~M~0_5) InVars {ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|} OutVars{~M~0=v_~M~0_5, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|} AuxVars[] AssignedVars[~M~0] 100258#[L85-1]don't care [274] L85-1-->L86: 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] 100260#[L86]don't care [225] L86-->L86-1: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] 100262#[L86-1]don't care [293] L86-1-->L86-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet10#1_2| v_~N~0_5) InVars {ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_2|} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_2|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[~N~0] 100264#[L86-2]don't care [350] L86-2-->L89: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] 100266#[L89]don't care [290] L89-->L89-1: Formula: (= |v_ULTIMATE.start_main_#t~pre11#1_1| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_1|, #pthreadsForks=|v_#pthreadsForks_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 100268#[L89-1]don't care [270] L89-1-->L89-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 100270#[L89-2]don't care [299] L89-2-->L89-3: Formula: (and (= (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~pre11#1_2|)) |v_#memory_int_1|) (= (select |v_#valid_3| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) 1) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_1|) (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_1| 4) (select |v_#length_3| |v_ULTIMATE.start_main_~#t1~0#1.base_1|))) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_3|, #memory_int=|v_#memory_int_2|, #length=|v_#length_3|, 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~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_3|, #memory_int=|v_#memory_int_1|, #length=|v_#length_3|, 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] 100272#[L89-3]don't care [403] L89-3-->$Ultimate##0: Formula: (and (= |v_ULTIMATE.start_main_#t~pre11#1_7| v_thread1Thread1of1ForFork2_thidvar0_2) (= 0 v_thread1Thread1of1ForFork2_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_7|} OutVars{thread1Thread1of1ForFork2_thidvar1=v_thread1Thread1of1ForFork2_thidvar1_2, thread1Thread1of1ForFork2_thidvar0=v_thread1Thread1of1ForFork2_thidvar0_2, thread1Thread1of1ForFork2_#res.base=|v_thread1Thread1of1ForFork2_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_7|, thread1Thread1of1ForFork2_~i~0=v_thread1Thread1of1ForFork2_~i~0_14, thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_8|, thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_4|, thread1Thread1of1ForFork2_#res.offset=|v_thread1Thread1of1ForFork2_#res.offset_4|} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_thidvar1, thread1Thread1of1ForFork2_thidvar0, thread1Thread1of1ForFork2_#res.base, thread1Thread1of1ForFork2_~i~0, thread1Thread1of1ForFork2_#t~post1, thread1Thread1of1ForFork2_#t~post2, thread1Thread1of1ForFork2_#res.offset] 100274#[$Ultimate##0, L89-4]don't care [351] $Ultimate##0-->L41-4: Formula: (= v_thread1Thread1of1ForFork2_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork2_~i~0=v_thread1Thread1of1ForFork2_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_~i~0] 100276#[L41-4, L89-4]don't care [2024-02-10 00:08:38,070 INFO L750 eck$LassoCheckResult]: Loop: 100276#[L41-4, L89-4]don't care [352] L41-4-->L42: Formula: (< v_thread1Thread1of1ForFork2_~i~0_3 v_~M~0_2) InVars {~M~0=v_~M~0_2, thread1Thread1of1ForFork2_~i~0=v_thread1Thread1of1ForFork2_~i~0_3} OutVars{~M~0=v_~M~0_2, thread1Thread1of1ForFork2_~i~0=v_thread1Thread1of1ForFork2_~i~0_3} AuxVars[] AssignedVars[] 100280#[L89-4, L42]don't care [355] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[~counter1~0, thread1Thread1of1ForFork2_#t~post2] 100290#[L89-4, L44]don't care [357] L44-->L41-2: Formula: (= v_thread1Thread1of1ForFork2_~i~0_9 |v_thread1Thread1of1ForFork2_#t~post1_1|) InVars {thread1Thread1of1ForFork2_~i~0=v_thread1Thread1of1ForFork2_~i~0_9} OutVars{thread1Thread1of1ForFork2_~i~0=v_thread1Thread1of1ForFork2_~i~0_9, thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_1|} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1] 100304#[L41-2, L89-4]don't care [359] L41-2-->L41-3: Formula: (= (+ |v_thread1Thread1of1ForFork2_#t~post1_3| 1) v_thread1Thread1of1ForFork2_~i~0_11) InVars {thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_3|} OutVars{thread1Thread1of1ForFork2_~i~0=v_thread1Thread1of1ForFork2_~i~0_11, thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_3|} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_~i~0] 100322#[L89-4, L41-3]don't care [361] L41-3-->L41-4: Formula: true InVars {} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_5|} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1] 100276#[L41-4, L89-4]don't care [2024-02-10 00:08:38,075 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:08:38,075 INFO L85 PathProgramCache]: Analyzing trace with hash 358539902, now seen corresponding path program 1 times [2024-02-10 00:08:38,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:08:38,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95425474] [2024-02-10 00:08:38,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:08:38,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:08:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:08:38,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:08:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:08:38,379 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:08:38,406 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:08:38,407 INFO L85 PathProgramCache]: Analyzing trace with hash 364638915, now seen corresponding path program 1 times [2024-02-10 00:08:38,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:08:38,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554056906] [2024-02-10 00:08:38,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:08:38,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:08:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:08:38,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:08:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:08:38,450 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:08:38,451 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:08:38,451 INFO L85 PathProgramCache]: Analyzing trace with hash 665327206, now seen corresponding path program 1 times [2024-02-10 00:08:38,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:08:38,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187720552] [2024-02-10 00:08:38,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:08:38,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:08:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:08:38,489 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:08:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:08:38,508 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:08:38,572 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:08:38,573 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:08:38,573 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:08:38,573 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:08:38,573 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-10 00:08:38,573 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:38,573 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:08:38,573 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:08:38,573 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration1_Loop [2024-02-10 00:08:38,573 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:08:38,574 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:08:38,587 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 00:08:38,594 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 00:08:38,597 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 00:08:38,599 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 00:08:38,601 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 00:08:38,604 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 00:08:38,606 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 00:08:38,609 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 00:08:38,611 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 00:08:38,616 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 00:08:38,618 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 00:08:38,620 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 00:08:38,700 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:08:38,700 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-10 00:08:38,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:38,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:38,730 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 00:08:38,755 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 00:08:38,758 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:08:38,770 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:08:38,806 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 00:08:38,806 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 00:08:38,843 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 00:08:38,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:38,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:38,846 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 00:08:38,852 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 00:08:38,853 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:08:38,853 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:08:38,895 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 00:08:38,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:38,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:38,897 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 00:08:38,928 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 00:08:38,930 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-10 00:08:38,930 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:08:38,954 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 00:08:38,954 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 00:08:38,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-02-10 00:08:38,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:38,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:38,963 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 00:08:38,972 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 00:08:38,973 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:08:38,973 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:08:39,005 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 00:08:39,005 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 00:08:39,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-02-10 00:08:39,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:39,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:39,029 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 00:08:39,030 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 00:08:39,034 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:08:39,034 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:08:39,060 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 00:08:39,061 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 00:08:39,071 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 00:08:39,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:39,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:39,073 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 00:08:39,076 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 00:08:39,086 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:08:39,086 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:08:39,103 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 00:08:39,104 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 00:08:39,107 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 00:08:39,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:39,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:39,110 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 00:08:39,111 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 00:08:39,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:08:39,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:08:39,129 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 00:08:39,129 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 00:08:39,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-02-10 00:08:39,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:39,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:39,153 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 00:08:39,177 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 00:08:39,177 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:08:39,177 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:08:39,200 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 00:08:39,201 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 00:08:39,227 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 00:08:39,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:39,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:39,229 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 00:08:39,234 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:08:39,235 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:08:39,246 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 00:08:39,253 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 00:08:39,253 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 00:08:39,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-02-10 00:08:39,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:39,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:39,260 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 00:08:39,267 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:08:39,268 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:08:39,276 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 00:08:39,281 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 00:08:39,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:39,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:39,282 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 00:08:39,285 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 00:08:39,285 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-10 00:08:39,285 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:08:39,394 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-02-10 00:08:39,399 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 00:08:39,400 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:08:39,400 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:08:39,400 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:08:39,400 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:08:39,400 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:08:39,400 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:39,401 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:08:39,401 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:08:39,401 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration1_Loop [2024-02-10 00:08:39,401 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:08:39,401 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:08:39,403 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 00:08:39,407 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 00:08:39,410 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 00:08:39,412 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 00:08:39,416 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 00:08:39,421 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 00:08:39,425 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 00:08:39,427 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 00:08:39,429 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 00:08:39,433 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 00:08:39,435 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 00:08:39,438 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 00:08:39,525 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:08:39,528 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:08:39,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:39,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:39,546 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 00:08:39,549 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 00:08:39,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:08:39,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:08:39,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:08:39,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:08:39,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:08:39,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:08:39,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:08:39,564 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 00:08:39,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:08:39,576 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 00:08:39,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:39,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:39,578 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 00:08:39,583 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 00:08:39,584 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 00:08:39,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:08:39,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:08:39,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:08:39,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:08:39,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:08:39,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:08:39,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:08:39,614 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 00:08:39,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:39,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:39,616 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 00:08:39,618 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 00:08:39,619 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 00:08:39,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:08:39,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:08:39,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:08:39,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:08:39,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:08:39,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:08:39,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:08:39,656 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 00:08:39,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:39,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:39,658 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 00:08:39,675 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 00:08:39,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:08:39,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:08:39,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:08:39,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:08:39,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:08:39,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:08:39,688 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 00:08:39,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:08:39,706 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 00:08:39,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:39,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:39,708 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 00:08:39,711 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 00:08:39,711 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 00:08:39,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:08:39,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:08:39,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:08:39,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:08:39,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:08:39,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:08:39,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:08:39,731 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 00:08:39,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:39,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:39,746 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 00:08:39,770 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 00:08:39,771 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 00:08:39,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:08:39,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:08:39,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:08:39,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:08:39,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:08:39,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:08:39,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:08:39,802 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 00:08:39,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:39,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:39,805 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 00:08:39,810 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 00:08:39,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:08:39,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:08:39,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:08:39,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:08:39,819 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:08:39,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:08:39,822 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 00:08:39,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:08:39,836 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 00:08:39,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:39,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:39,838 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 00:08:39,846 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 00:08:39,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:08:39,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:08:39,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:08:39,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:08:39,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:08:39,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:08:39,858 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 00:08:39,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:08:39,872 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 00:08:39,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:39,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:39,874 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 00:08:39,879 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 00:08:39,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:08:39,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:08:39,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:08:39,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:08:39,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:08:39,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:08:39,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:08:39,890 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 00:08:39,898 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:08:39,902 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-10 00:08:39,902 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-02-10 00:08:39,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:39,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:39,905 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 00:08:39,910 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:08:39,910 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-02-10 00:08:39,910 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:08:39,911 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~M~0, thread1Thread1of1ForFork2_~i~0) = 1*~M~0 - 1*thread1Thread1of1ForFork2_~i~0 Supporting invariants [] [2024-02-10 00:08:39,917 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 00:08:39,917 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 00:08:39,919 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 00:08:39,937 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:08:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:08:39,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 00:08:39,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:08:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:08:40,001 WARN L260 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2024-02-10 00:08:40,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:08:40,047 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 00:08:40,073 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 00:08:40,075 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 00:08:40,371 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 2422 transitions.8 powerset states5 rank states. The highest rank that occured is 1 [2024-02-10 00:08:40,372 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:08:40,373 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:08:40,374 INFO L63 sectAllAcceptingtNet]: Starting Intersection with all accepting Petri Net [2024-02-10 00:08:40,605 INFO L72 sectAllAcceptingtNet]: Exiting Intersection with all accepting Petri Net [2024-02-10 00:08:40,605 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:08:40,608 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 00:08:40,608 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 00:08:40,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 00:08:40,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 912 transitions. [2024-02-10 00:08:40,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 912 transitions. Stem has 27 letters. Loop has 5 letters. [2024-02-10 00:08:40,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:08:40,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 912 transitions. Stem has 32 letters. Loop has 5 letters. [2024-02-10 00:08:40,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:08:40,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 912 transitions. Stem has 27 letters. Loop has 10 letters. [2024-02-10 00:08:40,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:08:40,625 INFO L428 stractBuchiCegarLoop]: Abstraction has has 143 places, 2270 transitions, 9509 flow [2024-02-10 00:08:40,625 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-10 00:08:40,625 INFO L139 chiPetriNetCegarLoop]: use automaton for emptiness check [2024-02-10 00:08:40,625 INFO L128 iNet2FiniteAutomaton]: Start buchiPetriNet2FiniteAutomaton. Operand has 143 places, 2270 transitions, 9509 flow [2024-02-10 00:08:53,464 INFO L151 iNet2FiniteAutomaton]: Finished buchiPetriNet2FiniteAutomaton. Result has 135341 states, 135336 states have (on average 6.231978187621919) internal successors, (843411), 135340 states have internal predecessors, (843411), 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 00:08:53,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 135341 states, 135336 states have (on average 6.231978187621919) internal successors, (843411), 135340 states have internal predecessors, (843411), 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 00:08:56,970 INFO L131 ngComponentsAnalysis]: Automaton has 4669 accepting balls. 42665 [2024-02-10 00:08:56,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-10 00:08:56,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-10 00:08:56,976 INFO L748 eck$LassoCheckResult]: Stem: Black: 200434#[$Ultimate##0]don't care [252] $Ultimate##0-->L-1: Formula: (= (select |v_#valid_19| 0) 0) InVars {#valid=|v_#valid_19|} OutVars{#valid=|v_#valid_19|} AuxVars[] AssignedVars[] Black: 200439#[L-1]don't care [263] L-1-->L21: Formula: (< 0 |v_#StackHeapBarrier_2|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|} AuxVars[] AssignedVars[] 200442#[L21]don't care [307] L21-->L21-1: Formula: (and (= (select |v_#valid_20| 1) 1) (= 2 (select |v_#length_11| 1))) InVars {#length=|v_#length_11|, #valid=|v_#valid_20|} OutVars{#length=|v_#length_11|, #valid=|v_#valid_20|} AuxVars[] AssignedVars[] 200447#[L21-1]don't care [330] 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[] 200452#[L21-2]don't care [266] 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[] 200457#[L21-3]don't care [301] L21-3-->L21-4: Formula: (and (= (select |v_#length_12| 2) 28) (= (select |v_#valid_21| 2) 1)) InVars {#length=|v_#length_12|, #valid=|v_#valid_21|} OutVars{#length=|v_#length_12|, #valid=|v_#valid_21|} AuxVars[] AssignedVars[] 200462#[L21-4]don't care [282] L21-4-->L38: Formula: (= v_~M~0_6 0) InVars {} OutVars{~M~0=v_~M~0_6} AuxVars[] AssignedVars[~M~0] 200467#[L38]don't care [283] L38-->L38-1: Formula: (= v_~N~0_6 0) InVars {} OutVars{~N~0=v_~N~0_6} AuxVars[] AssignedVars[~N~0] 200472#[L38-1]don't care [302] L38-1-->L38-2: Formula: (= v_~counter1~0_7 0) InVars {} OutVars{~counter1~0=v_~counter1~0_7} AuxVars[] AssignedVars[~counter1~0] 200477#[L38-2]don't care [340] L38-2-->L-1-1: Formula: (= v_~counter2~0_7 0) InVars {} OutVars{~counter2~0=v_~counter2~0_7} AuxVars[] AssignedVars[~counter2~0] 200482#[L-1-1]don't care [341] 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] 200487#[L-1-2]don't care [344] L-1-2-->L83: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_5|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_5|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_5|, 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_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_6|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_5|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_3|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_6|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_3|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_5|, 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~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_3|, 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~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_3|, 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|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_4|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_~#t2~0#1.base] 200492#[L83]don't care [244] 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) (= |v_#valid_22| (store |v_#valid_23| |v_ULTIMATE.start_main_~#t1~0#1.base_7| 1)) (= (store |v_#length_14| |v_ULTIMATE.start_main_~#t1~0#1.base_7| 4) |v_#length_13|) (= (select |v_#valid_23| |v_ULTIMATE.start_main_~#t1~0#1.base_7|) 0) (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#t1~0#1.base_7|)) 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_~#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_22|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 200497#[L83-1]don't care [285] L83-1-->L83-2: Formula: (and (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t2~0#1.base_7| 4) |v_#length_15|) (= (store |v_#valid_25| |v_ULTIMATE.start_main_~#t2~0#1.base_7| 1) |v_#valid_24|) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_7|) (= 0 (select |v_#valid_25| |v_ULTIMATE.start_main_~#t2~0#1.base_7|)) (< |v_#StackHeapBarrier_4| |v_ULTIMATE.start_main_~#t2~0#1.base_7|) (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_7| 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_16|, #valid=|v_#valid_25|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_15|, 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_24|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 200502#[L83-2]don't care [325] L83-2-->L83-3: Formula: (and (= |v_#valid_26| (store |v_#valid_27| |v_ULTIMATE.start_main_~#t3~0#1.base_7| 1)) (< |v_#StackHeapBarrier_5| |v_ULTIMATE.start_main_~#t3~0#1.base_7|) (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t3~0#1.base_7| 4) |v_#length_17|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_7| 0) (= (select |v_#valid_27| |v_ULTIMATE.start_main_~#t3~0#1.base_7|) 0) (not (= |v_ULTIMATE.start_main_~#t3~0#1.base_7| 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_18|, #valid=|v_#valid_27|} OutVars{ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_7|, #StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_17|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_7|, #valid=|v_#valid_26|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t3~0#1.offset, #valid, ULTIMATE.start_main_~#t3~0#1.base, #length] 200507#[L83-3]don't care [329] L83-3-->L83-4: Formula: (and (< |v_#StackHeapBarrier_1| |v_ULTIMATE.start_main_~#t4~0#1.base_1|) (not (= |v_ULTIMATE.start_main_~#t4~0#1.base_1| 0)) (= (store |v_#length_2| |v_ULTIMATE.start_main_~#t4~0#1.base_1| 4) |v_#length_1|) (= |v_ULTIMATE.start_main_~#t4~0#1.offset_1| 0) (= (select |v_#valid_2| |v_ULTIMATE.start_main_~#t4~0#1.base_1|) 0) (= (store |v_#valid_2| |v_ULTIMATE.start_main_~#t4~0#1.base_1| 1) |v_#valid_1|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_2|, #valid=|v_#valid_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, #length=|v_#length_1|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_1|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_1|, #valid=|v_#valid_1|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base] 200512#[L83-4]don't care [284] 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] 200517#[L85]don't care [260] L85-->L85-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet9#1_2| v_~M~0_5) InVars {ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|} OutVars{~M~0=v_~M~0_5, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|} AuxVars[] AssignedVars[~M~0] 200522#[L85-1]don't care [274] L85-1-->L86: 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] 200527#[L86]don't care [225] L86-->L86-1: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] 200532#[L86-1]don't care [293] L86-1-->L86-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet10#1_2| v_~N~0_5) InVars {ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_2|} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_2|, ~N~0=v_~N~0_5} AuxVars[] AssignedVars[~N~0] 200537#[L86-2]don't care [350] L86-2-->L89: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] 200542#[L89]don't care [290] L89-->L89-1: Formula: (= |v_ULTIMATE.start_main_#t~pre11#1_1| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_1|, #pthreadsForks=|v_#pthreadsForks_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 200547#[L89-1]don't care [270] L89-1-->L89-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 200552#[L89-2]don't care [299] L89-2-->L89-3: Formula: (and (= (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~pre11#1_2|)) |v_#memory_int_1|) (= (select |v_#valid_3| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) 1) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_1|) (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_1| 4) (select |v_#length_3| |v_ULTIMATE.start_main_~#t1~0#1.base_1|))) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_3|, #memory_int=|v_#memory_int_2|, #length=|v_#length_3|, 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~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_3|, #memory_int=|v_#memory_int_1|, #length=|v_#length_3|, 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] 200557#[L89-3]don't care [403] L89-3-->$Ultimate##0: Formula: (and (= |v_ULTIMATE.start_main_#t~pre11#1_7| v_thread1Thread1of1ForFork2_thidvar0_2) (= 0 v_thread1Thread1of1ForFork2_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_7|} OutVars{thread1Thread1of1ForFork2_thidvar1=v_thread1Thread1of1ForFork2_thidvar1_2, thread1Thread1of1ForFork2_thidvar0=v_thread1Thread1of1ForFork2_thidvar0_2, thread1Thread1of1ForFork2_#res.base=|v_thread1Thread1of1ForFork2_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_7|, thread1Thread1of1ForFork2_~i~0=v_thread1Thread1of1ForFork2_~i~0_14, thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_8|, thread1Thread1of1ForFork2_#t~post2=|v_thread1Thread1of1ForFork2_#t~post2_4|, thread1Thread1of1ForFork2_#res.offset=|v_thread1Thread1of1ForFork2_#res.offset_4|} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_thidvar1, thread1Thread1of1ForFork2_thidvar0, thread1Thread1of1ForFork2_#res.base, thread1Thread1of1ForFork2_~i~0, thread1Thread1of1ForFork2_#t~post1, thread1Thread1of1ForFork2_#t~post2, thread1Thread1of1ForFork2_#res.offset] 200562#[$Ultimate##0, L89-4]don't care [326] L89-4-->L89-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 200567#[$Ultimate##0, L89-5]don't care [339] L89-5-->L90: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet12#1] 200575#[$Ultimate##0, L90]don't care [338] L90-->L90-1: Formula: (= |v_ULTIMATE.start_main_#t~pre13#1_1| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1] 200601#[L90-1, $Ultimate##0]don't care [245] L90-1-->L90-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] 200637#[L90-2, $Ultimate##0]don't care [253] L90-2-->L90-3: Formula: (and (= (select |v_#valid_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) 1) (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) |v_ULTIMATE.start_main_~#t2~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre13#1_2|)) |v_#memory_int_3|) (<= (+ 4 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|) (select |v_#length_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|)) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, #valid=|v_#valid_4|, #memory_int=|v_#memory_int_4|, #length=|v_#length_4|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, #valid=|v_#valid_4|, #memory_int=|v_#memory_int_3|, #length=|v_#length_4|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} AuxVars[] AssignedVars[#memory_int] 200683#[$Ultimate##0, L90-3]don't care [397] L90-3-->$Ultimate##0: Formula: (and (= v_thread2Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre13#1_7|) (= v_thread2Thread1of1ForFork0_thidvar2_2 0) (= v_thread2Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_7|} OutVars{thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_7|, thread2Thread1of1ForFork0_#res#1.base=|v_thread2Thread1of1ForFork0_#res#1.base_4|, thread2Thread1of1ForFork0_#res#1.offset=|v_thread2Thread1of1ForFork0_#res#1.offset_4|, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork0_thidvar2=v_thread2Thread1of1ForFork0_thidvar2_2, thread2Thread1of1ForFork0_thidvar1=v_thread2Thread1of1ForFork0_thidvar1_2, thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_14|, thread2Thread1of1ForFork0_thidvar0=v_thread2Thread1of1ForFork0_thidvar0_2, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_8|, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork0_#res#1.base, thread2Thread1of1ForFork0_#res#1.offset, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_thidvar2, thread2Thread1of1ForFork0_thidvar1, thread2Thread1of1ForFork0_~i~1#1, thread2Thread1of1ForFork0_thidvar0, thread2Thread1of1ForFork0_#t~post3#1, thread2Thread1of1ForFork0_#t~post4#1] 200737#[L90-4, $Ultimate##0, $Ultimate##0]don't care [362] $Ultimate##0-->L51-4: Formula: (= |v_thread2Thread1of1ForFork0_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~i~1#1] 200803#[L51-4, L90-4, $Ultimate##0]don't care [2024-02-10 00:08:56,977 INFO L750 eck$LassoCheckResult]: Loop: 200803#[L51-4, L90-4, $Ultimate##0]don't care [363] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork0_~i~1#1_3| v_~N~0_2) InVars {thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_3|, ~N~0=v_~N~0_2} OutVars{thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_3|, ~N~0=v_~N~0_2} AuxVars[] AssignedVars[] 200869#[L52, L90-4, $Ultimate##0]don't care [366] 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{thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|, thread2Thread1of1ForFork0_#t~post4#1=|v_thread2Thread1of1ForFork0_#t~post4#1_1|, ~counter1~0=v_~counter1~0_38} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1, ~counter1~0, thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4#1] 200958#[L55, L90-4, $Ultimate##0]don't care [368] L55-->L51-2: Formula: (= |v_thread2Thread1of1ForFork0_~i~1#1_9| |v_thread2Thread1of1ForFork0_#t~post3#1_1|) InVars {thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_9|} OutVars{thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_9|, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_#t~post3#1] 201092#[L51-2, L90-4, $Ultimate##0]don't care [370] L51-2-->L51-3: Formula: (= (+ |v_thread2Thread1of1ForFork0_#t~post3#1_3| 1) |v_thread2Thread1of1ForFork0_~i~1#1_11|) InVars {thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_3|} OutVars{thread2Thread1of1ForFork0_~i~1#1=|v_thread2Thread1of1ForFork0_~i~1#1_11|, thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_3|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~i~1#1] 201297#[L90-4, L51-3, $Ultimate##0]don't care [372] L51-3-->L51-4: Formula: true InVars {} OutVars{thread2Thread1of1ForFork0_#t~post3#1=|v_thread2Thread1of1ForFork0_#t~post3#1_5|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_#t~post3#1] 200803#[L51-4, L90-4, $Ultimate##0]don't care [2024-02-10 00:08:56,977 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:08:56,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1953764439, now seen corresponding path program 1 times [2024-02-10 00:08:56,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:08:56,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165563875] [2024-02-10 00:08:56,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:08:56,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:08:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:08:56,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:08:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:08:57,017 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:08:57,017 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:08:57,018 INFO L85 PathProgramCache]: Analyzing trace with hash 375136270, now seen corresponding path program 1 times [2024-02-10 00:08:57,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:08:57,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775260033] [2024-02-10 00:08:57,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:08:57,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:08:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:08:57,023 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:08:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:08:57,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:08:57,027 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:08:57,028 INFO L85 PathProgramCache]: Analyzing trace with hash 725171558, now seen corresponding path program 1 times [2024-02-10 00:08:57,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:08:57,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563242234] [2024-02-10 00:08:57,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:08:57,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:08:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:08:57,130 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 00:08:57,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-10 00:08:57,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563242234] [2024-02-10 00:08:57,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563242234] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-10 00:08:57,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-10 00:08:57,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-10 00:08:57,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105194329] [2024-02-10 00:08:57,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-10 00:08:57,152 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:08:57,152 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:08:57,152 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:08:57,152 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:08:57,153 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-10 00:08:57,153 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:57,153 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:08:57,153 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:08:57,153 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration2_Loop [2024-02-10 00:08:57,153 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:08:57,153 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:08:57,154 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 00:08:57,159 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 00:08:57,164 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 00:08:57,167 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 00:08:57,169 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 00:08:57,171 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 00:08:57,173 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 00:08:57,178 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 00:08:57,180 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 00:08:57,182 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 00:08:57,186 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 00:08:57,188 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 00:08:57,189 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 00:08:57,190 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 00:08:57,282 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:08:57,282 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-10 00:08:57,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:57,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:57,305 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 00:08:57,341 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:08:57,342 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:08:57,351 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 00:08:57,365 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 00:08:57,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:57,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:57,367 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 00:08:57,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-10 00:08:57,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:08:57,388 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 00:08:57,475 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-02-10 00:08:57,480 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 00:08:57,481 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:08:57,481 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:08:57,481 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:08:57,481 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:08:57,481 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:08:57,481 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:57,481 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:08:57,481 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:08:57,481 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration2_Loop [2024-02-10 00:08:57,481 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:08:57,481 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:08:57,483 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 00:08:57,488 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 00:08:57,491 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 00:08:57,492 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 00:08:57,494 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 00:08:57,496 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 00:08:57,498 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 00:08:57,500 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 00:08:57,502 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 00:08:57,505 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 00:08:57,509 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 00:08:57,512 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 00:08:57,514 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 00:08:57,515 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 00:08:57,599 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:08:57,599 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:08:57,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:57,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:57,617 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 00:08:57,632 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 00:08:57,633 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 00:08:57,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:08:57,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:08:57,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:08:57,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:08:57,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:08:57,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:08:57,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:08:57,664 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:08:57,666 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-02-10 00:08:57,666 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-02-10 00:08:57,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:08:57,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:08:57,677 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 00:08:57,689 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 00:08:57,689 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:08:57,689 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-02-10 00:08:57,689 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:08:57,689 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread2Thread1of1ForFork0_~i~1#1) = 1*~N~0 - 1*thread2Thread1of1ForFork0_~i~1#1 Supporting invariants [] [2024-02-10 00:08:57,694 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 00:08:57,695 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 00:08:57,705 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:08:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:08:57,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 00:08:57,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:08:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:08:57,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2024-02-10 00:08:57,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:08:57,800 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 00:08:57,801 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 00:08:57,801 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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 00:08:57,979 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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 2422 transitions.8 powerset states5 rank states. The highest rank that occured is 1 [2024-02-10 00:08:57,979 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:08:57,979 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:08:57,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states and 2422 transitions. [2024-02-10 00:08:57,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2422 transitions. [2024-02-10 00:08:57,990 INFO L79 tersectStemOptimized]: Starting StemOptimized Intersection [2024-02-10 00:08:57,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states and 2422 transitions. [2024-02-10 00:08:57,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2422 transitions. [2024-02-10 00:08:58,288 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 00:08:59,879 INFO L90 tersectStemOptimized]: Exiting StemOptimized Intersection [2024-02-10 00:08:59,879 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:08:59,880 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 00:08:59,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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 00:08:59,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 912 transitions. [2024-02-10 00:08:59,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 912 transitions. Stem has 33 letters. Loop has 5 letters. [2024-02-10 00:08:59,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:08:59,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 912 transitions. Stem has 38 letters. Loop has 5 letters. [2024-02-10 00:08:59,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:08:59,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 912 transitions. Stem has 33 letters. Loop has 10 letters. [2024-02-10 00:08:59,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:08:59,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-10 00:08:59,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-10 00:08:59,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-10 00:08:59,914 INFO L175 Difference]: Start difference. First operand has 162 places, 54386 transitions, 336300 flow. Second operand 3 states and 402 transitions. [2024-02-10 00:08:59,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 54386 transitions, 336300 flow. Second operand 3 states and 402 transitions. [2024-02-10 00:08:59,916 INFO L120 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 134 [2024-02-10 00:08:59,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand