/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 false -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 00:42:20,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-10 00:42:20,841 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 00:42:20,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-10 00:42:20,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-10 00:42:20,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-10 00:42:20,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-10 00:42:20,884 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-10 00:42:20,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-10 00:42:20,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-10 00:42:20,885 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-10 00:42:20,885 INFO L153 SettingsManager]: * Use SBE=true [2024-02-10 00:42:20,886 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-10 00:42:20,886 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-10 00:42:20,886 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-10 00:42:20,887 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-10 00:42:20,887 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-10 00:42:20,887 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-10 00:42:20,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-10 00:42:20,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-10 00:42:20,888 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-10 00:42:20,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-10 00:42:20,889 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-10 00:42:20,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-10 00:42:20,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-10 00:42:20,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-10 00:42:20,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-10 00:42:20,890 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-10 00:42:20,891 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-10 00:42:20,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-10 00:42:20,891 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-10 00:42:20,892 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-10 00:42:20,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-10 00:42:20,892 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-10 00:42:20,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-10 00:42:20,893 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-10 00:42:20,893 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-10 00:42:20,909 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-10 00:42:20,910 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use Buchi Petri Net Intersection Optimizations -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Use automata for Buchi Petri Net emptiness check -> false [2024-02-10 00:42:21,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-10 00:42:21,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-10 00:42:21,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-10 00:42:21,212 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-10 00:42:21,212 INFO L274 PluginConnector]: CDTParser initialized [2024-02-10 00:42:21,214 INFO L431 ainManager$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 00:42:22,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-10 00:42:22,766 INFO L384 CDTParser]: Found 1 translation units. [2024-02-10 00:42:22,767 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2024-02-10 00:42:22,780 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4000a5fdf/892f2d6f1d7e447cb01ed26761ada59d/FLAG279e207e1 [2024-02-10 00:42:22,800 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4000a5fdf/892f2d6f1d7e447cb01ed26761ada59d [2024-02-10 00:42:22,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-10 00:42:22,806 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-10 00:42:22,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-10 00:42:22,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-10 00:42:22,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-10 00:42:22,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 12:42:22" (1/1) ... [2024-02-10 00:42:22,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aaaf02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:42:22, skipping insertion in model container [2024-02-10 00:42:22,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 12:42:22" (1/1) ... [2024-02-10 00:42:22,871 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-02-10 00:42:23,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-10 00:42:23,029 INFO L202 MainTranslator]: Completed pre-run [2024-02-10 00:42:23,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-10 00:42:23,051 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-02-10 00:42:23,051 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-02-10 00:42:23,057 INFO L206 MainTranslator]: Completed translation [2024-02-10 00:42:23,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:42:23 WrapperNode [2024-02-10 00:42:23,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-10 00:42:23,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-10 00:42:23,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-10 00:42:23,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-10 00:42:23,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:42:23" (1/1) ... [2024-02-10 00:42:23,072 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:42:23" (1/1) ... [2024-02-10 00:42:23,106 INFO L138 Inliner]: procedures = 23, calls = 42, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 123 [2024-02-10 00:42:23,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-10 00:42:23,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-10 00:42:23,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-10 00:42:23,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-10 00:42:23,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:42:23" (1/1) ... [2024-02-10 00:42:23,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:42:23" (1/1) ... [2024-02-10 00:42:23,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:42:23" (1/1) ... [2024-02-10 00:42:23,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:42:23" (1/1) ... [2024-02-10 00:42:23,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:42:23" (1/1) ... [2024-02-10 00:42:23,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:42:23" (1/1) ... [2024-02-10 00:42:23,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:42:23" (1/1) ... [2024-02-10 00:42:23,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:42:23" (1/1) ... [2024-02-10 00:42:23,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-10 00:42:23,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-10 00:42:23,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-10 00:42:23,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-10 00:42:23,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:42:23" (1/1) ... [2024-02-10 00:42:23,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:23,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:23,188 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 00:42:23,212 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 00:42:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-10 00:42:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-10 00:42:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-10 00:42:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-10 00:42:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-10 00:42:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-10 00:42:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-10 00:42:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-02-10 00:42:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-02-10 00:42:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-02-10 00:42:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-10 00:42:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-02-10 00:42:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-10 00:42:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-10 00:42:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-10 00:42:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-10 00:42:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-02-10 00:42:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-10 00:42:23,238 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 00:42:23,342 INFO L236 CfgBuilder]: Building ICFG [2024-02-10 00:42:23,344 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-10 00:42:23,648 INFO L277 CfgBuilder]: Performing block encoding [2024-02-10 00:42:23,725 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-10 00:42:23,726 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2024-02-10 00:42:23,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:42:23 BoogieIcfgContainer [2024-02-10 00:42:23,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-10 00:42:23,730 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-10 00:42:23,730 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-10 00:42:23,733 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-10 00:42:23,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:42:23,734 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.02 12:42:22" (1/3) ... [2024-02-10 00:42:23,736 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1947357b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 12:42:23, skipping insertion in model container [2024-02-10 00:42:23,736 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:42:23,736 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 12:42:23" (2/3) ... [2024-02-10 00:42:23,737 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1947357b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.02 12:42:23, skipping insertion in model container [2024-02-10 00:42:23,737 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-10 00:42:23,738 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 12:42:23" (3/3) ... [2024-02-10 00:42:23,740 INFO L332 chiAutomizerObserver]: Analyzing ICFG popl20-difference-det.wvr.c [2024-02-10 00:42:23,848 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-02-10 00:42:23,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 134 transitions, 296 flow [2024-02-10 00:42:23,931 INFO L124 PetriNetUnfolderBase]: 9/126 cut-off events. [2024-02-10 00:42:23,932 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-02-10 00:42:23,943 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 00:42:23,944 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 134 transitions, 296 flow [2024-02-10 00:42:23,959 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 126 transitions, 276 flow [2024-02-10 00:42:23,967 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-10 00:42:23,967 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-10 00:42:23,967 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-10 00:42:23,967 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-10 00:42:23,967 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-10 00:42:23,968 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-10 00:42:23,968 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-10 00:42:23,968 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiPetriNetCegarLoop ======== [2024-02-10 00:42:23,969 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 130 places, 126 transitions, 276 flow [2024-02-10 00:42:23,981 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-10 00:42:23,981 INFO L124 PetriNetUnfolderBase]: 1/41 cut-off events. [2024-02-10 00:42:23,981 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-10 00:42:23,982 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-10 00:42:23,985 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-10 00:42:23,985 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 130 places, 126 transitions, 276 flow [2024-02-10 00:42:23,992 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-10 00:42:23,992 INFO L124 PetriNetUnfolderBase]: 1/41 cut-off events. [2024-02-10 00:42:23,992 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-10 00:42:23,992 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-10 00:42:23,998 INFO L748 eck$LassoCheckResult]: Stem: 138#[$Ultimate##0]true [252] $Ultimate##0-->L-1: Formula: (= (select |v_#valid_19| 0) 0) InVars {#valid=|v_#valid_19|} OutVars{#valid=|v_#valid_19|} AuxVars[] AssignedVars[] 140#[L-1]true [263] L-1-->L21: Formula: (< 0 |v_#StackHeapBarrier_2|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|} AuxVars[] AssignedVars[] 142#[L21]true [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[] 144#[L21-1]true [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[] 146#[L21-2]true [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[] 148#[L21-3]true [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[] 150#[L21-4]true [282] L21-4-->L38: Formula: (= v_~M~0_6 0) InVars {} OutVars{~M~0=v_~M~0_6} AuxVars[] AssignedVars[~M~0] 152#[L38]true [283] L38-->L38-1: Formula: (= v_~N~0_6 0) InVars {} OutVars{~N~0=v_~N~0_6} AuxVars[] AssignedVars[~N~0] 154#[L38-1]true [302] L38-1-->L38-2: Formula: (= v_~counter1~0_7 0) InVars {} OutVars{~counter1~0=v_~counter1~0_7} AuxVars[] AssignedVars[~counter1~0] 156#[L38-2]true [340] L38-2-->L-1-1: Formula: (= v_~counter2~0_7 0) InVars {} OutVars{~counter2~0=v_~counter2~0_7} AuxVars[] AssignedVars[~counter2~0] 158#[L-1-1]true [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] 160#[L-1-2]true [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] 162#[L83]true [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] 164#[L83-1]true [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] 166#[L83-2]true [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] 168#[L83-3]true [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] 170#[L83-4]true [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] 172#[L85]true [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] 174#[L85-1]true [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] 176#[L86]true [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] 178#[L86-1]true [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] 180#[L86-2]true [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] 182#[L89]true [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] 184#[L89-1]true [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] 186#[L89-2]true [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] 188#[L89-3]true [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] 190#[L89-4, $Ultimate##0]true [351] $Ultimate##0-->L41-4: Formula: (= v_thread1Thread1of1ForFork2_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork2_~i~0=v_thread1Thread1of1ForFork2_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_~i~0] 192#[L41-4, L89-4]true [2024-02-10 00:42:23,999 INFO L750 eck$LassoCheckResult]: Loop: 192#[L41-4, L89-4]true [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[] 195#[L89-4, L42]true [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] 197#[L89-4, L44]true [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] 199#[L41-2, L89-4]true [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] 201#[L89-4, L41-3]true [361] L41-3-->L41-4: Formula: true InVars {} OutVars{thread1Thread1of1ForFork2_#t~post1=|v_thread1Thread1of1ForFork2_#t~post1_5|} AuxVars[] AssignedVars[thread1Thread1of1ForFork2_#t~post1] 192#[L41-4, L89-4]true [2024-02-10 00:42:24,003 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:42:24,003 INFO L85 PathProgramCache]: Analyzing trace with hash 358539902, now seen corresponding path program 1 times [2024-02-10 00:42:24,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:42:24,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203648310] [2024-02-10 00:42:24,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:42:24,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:42:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:42:24,137 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:42:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:42:24,192 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:42:24,195 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:42:24,195 INFO L85 PathProgramCache]: Analyzing trace with hash 364638915, now seen corresponding path program 1 times [2024-02-10 00:42:24,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:42:24,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057440816] [2024-02-10 00:42:24,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:42:24,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:42:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:42:24,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:42:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:42:24,213 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:42:24,214 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:42:24,218 INFO L85 PathProgramCache]: Analyzing trace with hash 665327206, now seen corresponding path program 1 times [2024-02-10 00:42:24,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:42:24,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900468608] [2024-02-10 00:42:24,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:42:24,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:42:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:42:24,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:42:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:42:24,315 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:42:24,408 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:42:24,410 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:42:24,410 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:42:24,410 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:42:24,411 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-10 00:42:24,411 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:24,411 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:42:24,411 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:42:24,411 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration1_Loop [2024-02-10 00:42:24,411 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:42:24,412 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:42:24,433 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 00:42:24,446 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 00:42:24,452 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 00:42:24,455 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 00:42:24,459 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 00:42:24,462 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 00:42:24,467 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 00:42:24,470 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 00:42:24,480 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 00:42:24,489 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 00:42:24,491 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 00:42:24,494 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 00:42:24,621 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:42:24,622 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-10 00:42:24,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:24,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:24,627 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 00:42:24,644 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 00:42:24,645 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:42:24,645 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:42:24,668 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 00:42:24,668 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 00:42:24,676 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 00:42:24,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:24,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:24,678 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 00:42:24,684 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:42:24,684 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:42:24,694 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 00:42:24,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-02-10 00:42:24,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:24,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:24,710 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 00:42:24,715 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 00:42:24,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-10 00:42:24,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:42:24,740 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 00:42:24,740 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 00:42:24,748 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 00:42:24,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:24,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:24,750 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 00:42:24,751 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 00:42:24,752 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:42:24,752 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:42:24,769 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 00:42:24,770 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 00:42:24,776 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 00:42:24,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:24,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:24,779 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 00:42:24,781 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 00:42:24,782 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:42:24,784 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:42:24,802 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 00:42:24,802 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 00:42:24,807 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 00:42:24,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:24,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:24,817 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 00:42:24,825 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:42:24,825 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:42:24,827 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 00:42:24,848 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 00:42:24,848 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 00:42:24,879 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 00:42:24,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:24,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:24,893 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 00:42:24,903 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 00:42:24,904 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:42:24,904 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:42:24,921 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 00:42:24,921 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 00:42:24,925 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 00:42:24,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:24,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:24,930 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 00:42:24,932 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 00:42:24,932 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:42:24,932 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:42:24,949 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 00:42:24,949 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 00:42:24,985 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 00:42:24,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:24,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:25,001 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 00:42:25,012 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 00:42:25,013 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:42:25,013 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:42:25,029 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2024-02-10 00:42:25,030 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 00:42:25,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-02-10 00:42:25,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:25,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:25,037 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 00:42:25,039 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 00:42:25,040 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:42:25,041 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:42:25,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-02-10 00:42:25,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:25,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:25,068 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 00:42:25,070 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 00:42:25,070 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-10 00:42:25,070 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:42:25,185 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-02-10 00:42:25,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-02-10 00:42:25,190 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:42:25,190 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:42:25,190 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:42:25,190 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:42:25,190 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:42:25,190 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:25,190 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:42:25,191 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:42:25,191 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration1_Loop [2024-02-10 00:42:25,191 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:42:25,191 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:42:25,193 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 00:42:25,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:42:25,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:42:25,204 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 00:42:25,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:42:25,212 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:42:25,214 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:42:25,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:42:25,220 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 00:42:25,225 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 00:42:25,228 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 00:42:25,230 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 00:42:25,314 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:42:25,317 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:42:25,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:25,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:25,320 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 00:42:25,325 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 00:42:25,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:42:25,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:42:25,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:42:25,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:42:25,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:42:25,362 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 00:42:25,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:42:25,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:42:25,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:42:25,437 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 00:42:25,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:25,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:25,456 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 00:42:25,458 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 00:42:25,458 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 00:42:25,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:42:25,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:42:25,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:42:25,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:42:25,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:42:25,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:42:25,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:42:25,491 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 00:42:25,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:25,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:25,493 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 00:42:25,499 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 00:42:25,506 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 00:42:25,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:42:25,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:42:25,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:42:25,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:42:25,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:42:25,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:42:25,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:42:25,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-02-10 00:42:25,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:25,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:25,532 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 00:42:25,534 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 00:42:25,535 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 00:42:25,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:42:25,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:42:25,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:42:25,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:42:25,553 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:42:25,553 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:42:25,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:42:25,607 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 00:42:25,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:25,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:25,621 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 00:42:25,688 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 00:42:25,688 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 00:42:25,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:42:25,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:42:25,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:42:25,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:42:25,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:42:25,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:42:25,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:42:25,760 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 00:42:25,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:25,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:25,767 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 00:42:25,769 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 00:42:25,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-02-10 00:42:25,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:42:25,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:42:25,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:42:25,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:42:25,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:42:25,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:42:25,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:42:25,799 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 00:42:25,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:25,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:25,801 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 00:42:25,806 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 00:42:25,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:42:25,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:42:25,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:42:25,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:42:25,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:42:25,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:42:25,820 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 00:42:25,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:42:25,843 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 00:42:25,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:25,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:25,861 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 00:42:25,874 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 00:42:25,875 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 00:42:25,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:42:25,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:42:25,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:42:25,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:42:25,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-02-10 00:42:25,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-02-10 00:42:25,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-02-10 00:42:25,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-02-10 00:42:25,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:25,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:25,921 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 00:42:25,922 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 00:42:25,936 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 00:42:25,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:42:25,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:42:25,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:42:25,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:42:25,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:42:25,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:42:25,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:42:25,958 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:42:25,962 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-02-10 00:42:25,962 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-02-10 00:42:25,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:25,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:25,966 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 00:42:25,971 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:42:25,971 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-02-10 00:42:25,971 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:42:25,972 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 00:42:25,972 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 00:42:25,986 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 00:42:25,989 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 00:42:26,029 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:42:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:42:26,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 00:42:26,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:42:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:42:26,145 WARN L260 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2024-02-10 00:42:26,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:42:26,225 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 00:42:26,274 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 00:42:26,276 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 00:42:26,647 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 00:42:26,648 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:42:26,648 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:42:26,649 INFO L63 sectAllAcceptingtNet]: Starting Intersection with all accepting Petri Net [2024-02-10 00:42:26,728 INFO L72 sectAllAcceptingtNet]: Exiting Intersection with all accepting Petri Net [2024-02-10 00:42:26,728 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:42:26,731 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 00:42:26,737 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 00:42:26,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 912 transitions. [2024-02-10 00:42:26,746 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 912 transitions. Stem has 27 letters. Loop has 5 letters. [2024-02-10 00:42:26,746 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:42:26,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 912 transitions. Stem has 32 letters. Loop has 5 letters. [2024-02-10 00:42:26,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:42:26,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 912 transitions. Stem has 27 letters. Loop has 10 letters. [2024-02-10 00:42:26,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:42:26,749 INFO L428 stractBuchiCegarLoop]: Abstraction has has 143 places, 2270 transitions, 9509 flow [2024-02-10 00:42:26,749 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-02-10 00:42:26,749 INFO L84 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 143 places, 2270 transitions, 9509 flow [2024-02-10 00:42:26,878 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 00:42:27,226 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-10 00:42:27,227 INFO L124 PetriNetUnfolderBase]: 1050/1477 cut-off events. [2024-02-10 00:42:27,227 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-02-10 00:42:27,227 INFO L88 BuchiIsEmpty]: Finished buchiIsEmpty language is not empty [2024-02-10 00:42:27,228 INFO L748 eck$LassoCheckResult]: Stem: 138#[$Ultimate##0]true [252] $Ultimate##0-->L-1: Formula: (= (select |v_#valid_19| 0) 0) InVars {#valid=|v_#valid_19|} OutVars{#valid=|v_#valid_19|} AuxVars[] AssignedVars[] 140#[L-1]true [263] L-1-->L21: Formula: (< 0 |v_#StackHeapBarrier_2|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|} AuxVars[] AssignedVars[] 142#[L21]true [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[] 144#[L21-1]true [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[] 146#[L21-2]true [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[] 148#[L21-3]true [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[] 150#[L21-4]true [282] L21-4-->L38: Formula: (= v_~M~0_6 0) InVars {} OutVars{~M~0=v_~M~0_6} AuxVars[] AssignedVars[~M~0] 152#[L38]true [283] L38-->L38-1: Formula: (= v_~N~0_6 0) InVars {} OutVars{~N~0=v_~N~0_6} AuxVars[] AssignedVars[~N~0] 154#[L38-1]true [302] L38-1-->L38-2: Formula: (= v_~counter1~0_7 0) InVars {} OutVars{~counter1~0=v_~counter1~0_7} AuxVars[] AssignedVars[~counter1~0] 156#[L38-2]true [340] L38-2-->L-1-1: Formula: (= v_~counter2~0_7 0) InVars {} OutVars{~counter2~0=v_~counter2~0_7} AuxVars[] AssignedVars[~counter2~0] 158#[L-1-1]true [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] 160#[L-1-2]true [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] 162#[L83]true [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] 164#[L83-1]true [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] 166#[L83-2]true [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] 168#[L83-3]true [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] 170#[L83-4]true [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] 172#[L85]true [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] 174#[L85-1]true [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] 176#[L86]true [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] 178#[L86-1]true [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] 180#[L86-2]true [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] 182#[L89]true [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] 184#[L89-1]true [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] 186#[L89-2]true [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] 188#[L89-3]true [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] 190#[L89-4, $Ultimate##0]true [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] 395#[L89-5, $Ultimate##0]true [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] 397#[L90, $Ultimate##0]true [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] 399#[L90-1, $Ultimate##0]true [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] 401#[L90-2, $Ultimate##0]true [253] L90-2-->L90-3: Formula: (and (= (select |v_#valid_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) 1) (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) |v_ULTIMATE.start_main_~#t2~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre13#1_2|)) |v_#memory_int_3|) (<= (+ 4 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|) (select |v_#length_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|)) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, #valid=|v_#valid_4|, #memory_int=|v_#memory_int_4|, #length=|v_#length_4|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, #valid=|v_#valid_4|, #memory_int=|v_#memory_int_3|, #length=|v_#length_4|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} AuxVars[] AssignedVars[#memory_int] 403#[$Ultimate##0, L90-3]true [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] 405#[L90-4, $Ultimate##0, $Ultimate##0]true [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] 407#[L51-4, L90-4, $Ultimate##0]true [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[] 409#[L90-4, $Ultimate##0, L52]true [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] 411#[L90-4, $Ultimate##0, L55]true [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] 413#[L90-4, L51-2, $Ultimate##0]true [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] 415#[L51-3, L90-4, $Ultimate##0]true [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] 407#[L51-4, L90-4, $Ultimate##0]true [2024-02-10 00:42:27,229 INFO L750 eck$LassoCheckResult]: Loop: 407#[L51-4, L90-4, $Ultimate##0]true [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[] 409#[L90-4, $Ultimate##0, L52]true [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] 411#[L90-4, $Ultimate##0, L55]true [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] 413#[L90-4, L51-2, $Ultimate##0]true [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] 415#[L51-3, L90-4, $Ultimate##0]true [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] 407#[L51-4, L90-4, $Ultimate##0]true [2024-02-10 00:42:27,229 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:42:27,229 INFO L85 PathProgramCache]: Analyzing trace with hash 725171558, now seen corresponding path program 1 times [2024-02-10 00:42:27,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:42:27,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281545009] [2024-02-10 00:42:27,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:42:27,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:42:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:42:27,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-10 00:42:27,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-10 00:42:27,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281545009] [2024-02-10 00:42:27,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281545009] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-10 00:42:27,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-10 00:42:27,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-10 00:42:27,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454864600] [2024-02-10 00:42:27,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-10 00:42:27,377 INFO L753 eck$LassoCheckResult]: stem already infeasible [2024-02-10 00:42:27,378 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:42:27,378 INFO L85 PathProgramCache]: Analyzing trace with hash 375136270, now seen corresponding path program 1 times [2024-02-10 00:42:27,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-10 00:42:27,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964871455] [2024-02-10 00:42:27,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-10 00:42:27,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-10 00:42:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:42:27,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-10 00:42:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-10 00:42:27,385 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-10 00:42:27,419 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:42:27,420 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:42:27,420 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:42:27,420 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:42:27,420 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2024-02-10 00:42:27,420 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:27,420 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:42:27,420 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:42:27,420 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration2_Loop [2024-02-10 00:42:27,420 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:42:27,420 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:42:27,423 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 00:42:27,427 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 00:42:27,429 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 00:42:27,442 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 00:42:27,445 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 00:42:27,449 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 00:42:27,451 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 00:42:27,456 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 00:42:27,459 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 00:42:27,461 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 00:42:27,464 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 00:42:27,467 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 00:42:27,468 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 00:42:27,470 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 00:42:27,559 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:42:27,559 INFO L404 LassoAnalysis]: Checking for nontermination... [2024-02-10 00:42:27,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:27,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:27,577 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 00:42:27,640 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 00:42:27,641 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-02-10 00:42:27,642 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:42:27,695 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 00:42:27,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:27,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:27,713 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 00:42:27,722 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 00:42:27,723 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-02-10 00:42:27,723 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-02-10 00:42:27,853 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-02-10 00:42:27,875 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 00:42:27,875 INFO L210 LassoAnalysis]: Preferences: [2024-02-10 00:42:27,875 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2024-02-10 00:42:27,875 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-02-10 00:42:27,875 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2024-02-10 00:42:27,876 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2024-02-10 00:42:27,876 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:27,876 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2024-02-10 00:42:27,876 INFO L132 ssoRankerPreferences]: Path of dumped script: [2024-02-10 00:42:27,876 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration2_Loop [2024-02-10 00:42:27,876 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2024-02-10 00:42:27,876 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2024-02-10 00:42:27,878 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 00:42:27,887 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 00:42:27,890 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 00:42:27,891 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 00:42:27,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:42:27,896 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 00:42:27,898 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 00:42:27,911 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 00:42:27,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:42:27,916 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:42:27,924 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-02-10 00:42:27,927 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 00:42:27,932 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 00:42:27,934 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 00:42:28,015 INFO L294 LassoAnalysis]: Preprocessing complete. [2024-02-10 00:42:28,015 INFO L490 LassoAnalysis]: Using template 'affine'. [2024-02-10 00:42:28,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:28,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:28,025 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 00:42:28,026 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 00:42:28,027 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 00:42:28,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-02-10 00:42:28,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-02-10 00:42:28,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-02-10 00:42:28,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-02-10 00:42:28,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-02-10 00:42:28,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-02-10 00:42:28,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-02-10 00:42:28,049 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-02-10 00:42:28,054 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-02-10 00:42:28,054 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-02-10 00:42:28,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-10 00:42:28,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-10 00:42:28,056 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 00:42:28,057 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 00:42:28,059 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-02-10 00:42:28,059 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-02-10 00:42:28,059 INFO L513 LassoAnalysis]: Proved termination. [2024-02-10 00:42:28,059 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 00:42:28,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-02-10 00:42:28,064 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-02-10 00:42:28,085 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-10 00:42:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:42:28,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core [2024-02-10 00:42:28,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:42:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-10 00:42:28,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2024-02-10 00:42:28,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-02-10 00:42:28,245 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 00:42:28,246 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 00:42:28,246 INFO L162 BuchiComplementFKV]: Start buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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 00:42:28,458 INFO L171 BuchiComplementFKV]: Finished buchiComplementFKV with optimization HEIMAT2. Operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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 00:42:28,459 INFO L89 BuchiIntersect]: Starting Intersection [2024-02-10 00:42:28,459 INFO L112 BuchiIntersect]: use intersection optimizations [2024-02-10 00:42:28,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states and 2422 transitions. [2024-02-10 00:42:28,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2422 transitions. [2024-02-10 00:42:28,478 INFO L79 tersectStemOptimized]: Starting StemOptimized Intersection [2024-02-10 00:42:28,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states and 2422 transitions. [2024-02-10 00:42:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2422 transitions. [2024-02-10 00:42:28,540 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 00:42:30,448 INFO L90 tersectStemOptimized]: Exiting StemOptimized Intersection [2024-02-10 00:42:30,449 INFO L99 BuchiIntersect]: Exiting Intersection [2024-02-10 00:42:30,449 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 00:42:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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 00:42:30,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 912 transitions. [2024-02-10 00:42:30,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 912 transitions. Stem has 38 letters. Loop has 5 letters. [2024-02-10 00:42:30,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:42:30,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 912 transitions. Stem has 43 letters. Loop has 5 letters. [2024-02-10 00:42:30,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:42:30,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 912 transitions. Stem has 38 letters. Loop has 10 letters. [2024-02-10 00:42:30,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-02-10 00:42:30,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-10 00:42:30,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-10 00:42:30,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-10 00:42:30,497 INFO L175 Difference]: Start difference. First operand has 162 places, 54386 transitions, 336300 flow. Second operand 3 states and 402 transitions. [2024-02-10 00:42:30,498 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 54386 transitions, 336300 flow. Second operand 3 states and 402 transitions. [2024-02-10 00:42:30,500 INFO L120 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 134 [2024-02-10 00:42:30,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand