/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.fairness.type.for.concurrent.programs FAIRNESS_INTERSECTION -i ../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.me.fairness-42053ae-m [2023-09-17 11:43:07,770 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-09-17 11:43:07,829 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2023-09-17 11:43:07,852 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-17 11:43:07,853 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-17 11:43:07,854 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-17 11:43:07,855 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-17 11:43:07,855 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-09-17 11:43:07,855 INFO L137 SettingsManager]: * Use SBE=true [2023-09-17 11:43:07,858 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-09-17 11:43:07,859 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-09-17 11:43:07,859 INFO L137 SettingsManager]: * Use old map elimination=false [2023-09-17 11:43:07,859 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-09-17 11:43:07,860 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-09-17 11:43:07,860 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-09-17 11:43:07,860 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-17 11:43:07,861 INFO L137 SettingsManager]: * sizeof long=4 [2023-09-17 11:43:07,861 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-17 11:43:07,861 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-17 11:43:07,861 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-09-17 11:43:07,861 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-09-17 11:43:07,862 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-09-17 11:43:07,863 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-09-17 11:43:07,863 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-09-17 11:43:07,863 INFO L137 SettingsManager]: * sizeof long double=12 [2023-09-17 11:43:07,863 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-09-17 11:43:07,863 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-09-17 11:43:07,864 INFO L137 SettingsManager]: * Use constant arrays=true [2023-09-17 11:43:07,864 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-09-17 11:43:07,864 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-17 11:43:07,865 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-17 11:43:07,865 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-17 11:43:07,865 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-17 11:43:07,865 INFO L137 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-17 11:43:07,866 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-09-17 11:43:07,866 INFO L137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Fairness type for concurrent programs -> FAIRNESS_INTERSECTION [2023-09-17 11:43:08,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-17 11:43:08,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-17 11:43:08,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-17 11:43:08,089 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-17 11:43:08,091 INFO L274 PluginConnector]: CDTParser initialized [2023-09-17 11:43:08,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-09-17 11:43:09,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-17 11:43:09,403 INFO L384 CDTParser]: Found 1 translation units. [2023-09-17 11:43:09,404 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-09-17 11:43:09,409 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65e9eead9/38b009c63da74a9fbe73590dfc67d5bf/FLAGb19b46c95 [2023-09-17 11:43:09,422 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65e9eead9/38b009c63da74a9fbe73590dfc67d5bf [2023-09-17 11:43:09,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-17 11:43:09,426 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-17 11:43:09,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-17 11:43:09,428 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-17 11:43:09,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-17 11:43:09,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 11:43:09" (1/1) ... [2023-09-17 11:43:09,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7baca0da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:43:09, skipping insertion in model container [2023-09-17 11:43:09,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 11:43:09" (1/1) ... [2023-09-17 11:43:09,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-17 11:43:09,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-17 11:43:09,546 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c[2052,2065] [2023-09-17 11:43:09,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-17 11:43:09,554 INFO L203 MainTranslator]: Completed pre-run [2023-09-17 11:43:09,566 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c[2052,2065] [2023-09-17 11:43:09,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-17 11:43:09,571 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-17 11:43:09,571 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-17 11:43:09,576 INFO L208 MainTranslator]: Completed translation [2023-09-17 11:43:09,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:43:09 WrapperNode [2023-09-17 11:43:09,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-17 11:43:09,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-17 11:43:09,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-17 11:43:09,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-17 11:43:09,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:43:09" (1/1) ... [2023-09-17 11:43:09,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:43:09" (1/1) ... [2023-09-17 11:43:09,598 INFO L138 Inliner]: procedures = 21, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2023-09-17 11:43:09,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-17 11:43:09,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-17 11:43:09,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-17 11:43:09,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-17 11:43:09,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:43:09" (1/1) ... [2023-09-17 11:43:09,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:43:09" (1/1) ... [2023-09-17 11:43:09,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:43:09" (1/1) ... [2023-09-17 11:43:09,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:43:09" (1/1) ... [2023-09-17 11:43:09,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:43:09" (1/1) ... [2023-09-17 11:43:09,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:43:09" (1/1) ... [2023-09-17 11:43:09,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:43:09" (1/1) ... [2023-09-17 11:43:09,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:43:09" (1/1) ... [2023-09-17 11:43:09,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-17 11:43:09,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-17 11:43:09,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-17 11:43:09,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-17 11:43:09,614 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:43:09" (1/1) ... [2023-09-17 11:43:09,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:43:09,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:43:09,637 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) [2023-09-17 11:43:09,646 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 [2023-09-17 11:43:09,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-17 11:43:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-17 11:43:09,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-17 11:43:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-17 11:43:09,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-17 11:43:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-17 11:43:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-17 11:43:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-17 11:43:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-17 11:43:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-17 11:43:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-17 11:43:09,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-17 11:43:09,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-17 11:43:09,663 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-17 11:43:09,723 INFO L236 CfgBuilder]: Building ICFG [2023-09-17 11:43:09,724 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-17 11:43:09,868 INFO L277 CfgBuilder]: Performing block encoding [2023-09-17 11:43:09,893 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-17 11:43:09,893 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-09-17 11:43:09,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 11:43:09 BoogieIcfgContainer [2023-09-17 11:43:09,895 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-17 11:43:09,896 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-09-17 11:43:09,896 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-09-17 11:43:09,898 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-09-17 11:43:09,899 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-09-17 11:43:09,899 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.09 11:43:09" (1/3) ... [2023-09-17 11:43:09,899 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e051633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.09 11:43:09, skipping insertion in model container [2023-09-17 11:43:09,899 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-09-17 11:43:09,900 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:43:09" (2/3) ... [2023-09-17 11:43:09,900 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e051633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.09 11:43:09, skipping insertion in model container [2023-09-17 11:43:09,900 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-09-17 11:43:09,900 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 11:43:09" (3/3) ... [2023-09-17 11:43:09,901 INFO L332 chiAutomizerObserver]: Analyzing ICFG popl20-nonblocking-cntr-alt.wvr.c [2023-09-17 11:43:09,965 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-17 11:43:09,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 72 places, 73 transitions, 156 flow [2023-09-17 11:43:10,010 INFO L124 PetriNetUnfolderBase]: 6/69 cut-off events. [2023-09-17 11:43:10,010 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-09-17 11:43:10,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 69 events. 6/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 39 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2023-09-17 11:43:10,015 INFO L82 GeneralOperation]: Start removeDead. Operand has 72 places, 73 transitions, 156 flow [2023-09-17 11:43:10,019 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 70 places, 69 transitions, 144 flow [2023-09-17 11:43:10,041 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-09-17 11:43:10,041 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-09-17 11:43:10,042 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-09-17 11:43:10,042 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-09-17 11:43:10,042 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-09-17 11:43:10,042 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-09-17 11:43:10,042 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-09-17 11:43:10,042 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-09-17 11:43:10,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand null [2023-09-17 11:43:10,460 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 67 [2023-09-17 11:43:10,461 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-09-17 11:43:10,461 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-09-17 11:43:10,470 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-17 11:43:10,470 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-09-17 11:43:10,470 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-09-17 11:43:10,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand null [2023-09-17 11:43:10,635 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 67 [2023-09-17 11:43:10,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-09-17 11:43:10,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-09-17 11:43:10,640 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-09-17 11:43:10,641 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2023-09-17 11:43:10,655 INFO L748 eck$LassoCheckResult]: Stem: 82#[$Ultimate##0]don't care [151] $Ultimate##0-->L-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] 87#[L-1]don't care [157] L-1-->L-1-1: Formula: (= (select |v_#valid_1| 0) 0) InVars {#valid=|v_#valid_1|} OutVars{#valid=|v_#valid_1|} AuxVars[] AssignedVars[] 91#[L-1-1]don't care [173] L-1-1-->L21: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] 94#[L21]don't care [150] L21-->L21-1: Formula: (and (= (select |v_#valid_2| 1) 1) (= 2 (select |v_#length_1| 1))) InVars {#length=|v_#length_1|, #valid=|v_#valid_2|} OutVars{#length=|v_#length_1|, #valid=|v_#valid_2|} AuxVars[] AssignedVars[] 97#[L21-1]don't care [166] L21-1-->L21-2: Formula: (= 48 (select (select |v_#memory_int_1| 1) 0)) InVars {#memory_int=|v_#memory_int_1|} OutVars{#memory_int=|v_#memory_int_1|} AuxVars[] AssignedVars[] 100#[L21-2]don't care [165] L21-2-->L21-3: Formula: (= (select (select |v_#memory_int_2| 1) 1) 0) InVars {#memory_int=|v_#memory_int_2|} OutVars{#memory_int=|v_#memory_int_2|} AuxVars[] AssignedVars[] 103#[L21-3]don't care [138] L21-3-->L21-4: Formula: (and (= 34 (select |v_#length_2| 2)) (= (select |v_#valid_3| 2) 1)) InVars {#length=|v_#length_2|, #valid=|v_#valid_3|} OutVars{#length=|v_#length_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[] 106#[L21-4]don't care [183] L21-4-->L38: Formula: (= 0 v_~M1~0_3) InVars {} OutVars{~M1~0=v_~M1~0_3} AuxVars[] AssignedVars[~M1~0] 109#[L38]don't care [184] L38-->L38-1: Formula: (= 0 v_~M2~0_3) InVars {} OutVars{~M2~0=v_~M2~0_3} AuxVars[] AssignedVars[~M2~0] 112#[L38-1]don't care [141] L38-1-->L-1-2: Formula: (= v_~counter~0_7 0) InVars {} OutVars{~counter~0=v_~counter~0_7} AuxVars[] AssignedVars[~counter~0] 115#[L-1-2]don't care [174] L-1-2-->L-1-3: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] 118#[L-1-3]don't care [179] L-1-3-->L65: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_1|, ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_1|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_1|, ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_1|, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_1|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_#t~nondet8#1, ULTIMATE.start_main_#t~nondet6#1, ULTIMATE.start_main_#t~pre7#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 121#[L65]don't care [186] L65-->L65-1: Formula: (and (= |v_ULTIMATE.start_main_~#t1~0#1.offset_2| 0) (= (select |v_#valid_5| |v_ULTIMATE.start_main_~#t1~0#1.base_2|) 0) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t1~0#1.base_2|) (= |v_#length_3| (store |v_#length_4| |v_ULTIMATE.start_main_~#t1~0#1.base_2| 4)) (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_2| 0)) (= (store |v_#valid_5| |v_ULTIMATE.start_main_~#t1~0#1.base_2| 1) |v_#valid_4|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_4|, #valid=|v_#valid_5|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_2|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_2|, #valid=|v_#valid_4|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 124#[L65-1]don't care [170] L65-1-->L65-2: Formula: (and (= |v_#length_5| (store |v_#length_6| |v_ULTIMATE.start_main_~#t2~0#1.base_2| 4)) (= (select |v_#valid_7| |v_ULTIMATE.start_main_~#t2~0#1.base_2|) 0) (= (store |v_#valid_7| |v_ULTIMATE.start_main_~#t2~0#1.base_2| 1) |v_#valid_6|) (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_2| 0)) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_2|) (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#t2~0#1.base_2|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_6|, #valid=|v_#valid_7|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_5|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_2|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_2|, #valid=|v_#valid_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 127#[L65-2]don't care [156] L65-2-->L67: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5#1] 130#[L67]don't care [169] L67-->L67-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet5#1_3| v_~M1~0_4) InVars {ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_3|} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_3|, ~M1~0=v_~M1~0_4} AuxVars[] AssignedVars[~M1~0] 133#[L67-1]don't care [145] L67-1-->L68: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5#1] 136#[L68]don't care [172] L68-->L68-1: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet6#1] 139#[L68-1]don't care [143] L68-1-->L68-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet6#1_3| v_~M2~0_4) InVars {ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_3|} OutVars{~M2~0=v_~M2~0_4, ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_3|} AuxVars[] AssignedVars[~M2~0] 142#[L68-2]don't care [129] L68-2-->L69: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet6#1=|v_ULTIMATE.start_main_#t~nondet6#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet6#1] 145#[L69]don't care [133] L69-->L69-1: Formula: (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_1| (ite (and (< 0 v_~M2~0_5) (< 0 v_~M1~0_5)) 1 0)) InVars {~M2~0=v_~M2~0_5, ~M1~0=v_~M1~0_5} OutVars{~M1~0=v_~M1~0_5, ~M2~0=v_~M2~0_5, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond#1] 148#[L69-1]don't care [175] L69-1-->L34: Formula: true InVars {} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1] 151#[L34]don't care [147] L34-->L35: Formula: (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_2| |v_ULTIMATE.start_assume_abort_if_not_~cond#1_2|) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_2|} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_2|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1] 154#[L35]don't care [168] L35-->L34-1: Formula: (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_4| 0)) InVars {ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_4|} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_4|} AuxVars[] AssignedVars[] 160#[L34-1]don't care [163] L34-1-->L72: Formula: (= |v_ULTIMATE.start_main_#t~pre7#1_2| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre7#1] 163#[L72]don't care [185] L72-->L72-1: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 166#[L72-1]don't care [119] L72-1-->L72-2: Formula: (and (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_3|) (= (select |v_#valid_8| |v_ULTIMATE.start_main_~#t1~0#1.base_3|) 1) (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_3| 4) (select |v_#length_7| |v_ULTIMATE.start_main_~#t1~0#1.base_3|)) (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t1~0#1.base_3| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t1~0#1.base_3|) |v_ULTIMATE.start_main_~#t1~0#1.offset_3| |v_ULTIMATE.start_main_#t~pre7#1_3|)) |v_#memory_int_3|)) InVars {#valid=|v_#valid_8|, #memory_int=|v_#memory_int_4|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_3|, #length=|v_#length_7|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_3|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_3|} OutVars{#valid=|v_#valid_8|, #memory_int=|v_#memory_int_3|, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_3|, #length=|v_#length_7|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_3|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_3|} AuxVars[] AssignedVars[#memory_int] 169#[L72-2]don't care [207] L72-2-->$Ultimate##0: Formula: (and (= |v_ULTIMATE.start_main_#t~pre7#1_6| v_thread1Thread1of1ForFork0_thidvar0_2) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|} OutVars{thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_4|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_12, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2, ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_6|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 175#[L72-3, $Ultimate##0]don't care [161] L72-3-->L72-4: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre7#1=|v_ULTIMATE.start_main_#t~pre7#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre7#1] 182#[$Ultimate##0, L72-4]don't care [176] L72-4-->L73: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet8#1=|v_ULTIMATE.start_main_#t~nondet8#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet8#1] 192#[$Ultimate##0, L73]don't care [152] L73-->L73-1: Formula: (= |v_ULTIMATE.start_main_#t~pre9#1_2| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre9#1] 209#[L73-1, $Ultimate##0]don't care [162] L73-1-->L73-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] 235#[$Ultimate##0, L73-2]don't care [153] L73-2-->L73-3: Formula: (and (<= (+ 4 |v_ULTIMATE.start_main_~#t2~0#1.offset_3|) (select |v_#length_8| |v_ULTIMATE.start_main_~#t2~0#1.base_3|)) (= (select |v_#valid_9| |v_ULTIMATE.start_main_~#t2~0#1.base_3|) 1) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_3|) (= (store |v_#memory_int_6| |v_ULTIMATE.start_main_~#t2~0#1.base_3| (store (select |v_#memory_int_6| |v_ULTIMATE.start_main_~#t2~0#1.base_3|) |v_ULTIMATE.start_main_~#t2~0#1.offset_3| |v_ULTIMATE.start_main_#t~pre9#1_3|)) |v_#memory_int_5|)) InVars {ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_3|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_3|, #valid=|v_#valid_9|, #memory_int=|v_#memory_int_6|, #length=|v_#length_8|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_3|} OutVars{ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_3|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_3|, #valid=|v_#valid_9|, #memory_int=|v_#memory_int_5|, #length=|v_#length_8|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_3|} AuxVars[] AssignedVars[#memory_int] 279#[$Ultimate##0, L73-3]don't care [210] L73-3-->$Ultimate##0: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre9#1_6| v_thread2Thread1of1ForFork1_thidvar0_2) (= 0 v_thread2Thread1of1ForFork1_thidvar2_2)) InVars {ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_6|} OutVars{thread2Thread1of1ForFork1_#res.offset=|v_thread2Thread1of1ForFork1_#res.offset_4|, thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_12, thread2Thread1of1ForFork1_#t~post4=|v_thread2Thread1of1ForFork1_#t~post4_6|, thread2Thread1of1ForFork1_#t~post3=|v_thread2Thread1of1ForFork1_#t~post3_6|, ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_6|, thread2Thread1of1ForFork1_#res.base=|v_thread2Thread1of1ForFork1_#res.base_4|, thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_2, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_2, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_2} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_~i~1, thread2Thread1of1ForFork1_#t~post4, thread2Thread1of1ForFork1_#t~post3, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_thidvar2, thread2Thread1of1ForFork1_thidvar0, thread2Thread1of1ForFork1_thidvar1] 348#[$Ultimate##0, $Ultimate##0, L73-4]don't care [155] L73-4-->L73-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre9#1=|v_ULTIMATE.start_main_#t~pre9#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre9#1] 433#[$Ultimate##0, L73-5, $Ultimate##0]don't care [154] L73-5-->L75: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] 536#[$Ultimate##0, $Ultimate##0, L75]don't care [177] L75-->L75-1: Formula: (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_3| (ite (not (= (+ v_~counter~0_8 v_~M2~0_6) v_~M1~0_6)) 1 0)) InVars {~counter~0=v_~counter~0_8, ~M1~0=v_~M1~0_6, ~M2~0=v_~M2~0_6} OutVars{~counter~0=v_~counter~0_8, ~M1~0=v_~M1~0_6, ~M2~0=v_~M2~0_6, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_#in~cond#1] 667#[$Ultimate##0, $Ultimate##0, L75-1]don't care [149] L75-1-->L34-2: Formula: true InVars {} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_5|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1] 858#[$Ultimate##0, $Ultimate##0, L34-2]don't care [188] $Ultimate##0-->L41-4: Formula: (= v_thread1Thread1of1ForFork0_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_~i~0] 1170#[$Ultimate##0, L41-4, L34-2]don't care [158] L34-2-->L35-3: Formula: (= |v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_4| |v_ULTIMATE.start_assume_abort_if_not_~cond#1_6|) InVars {ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_4|} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_6|, ULTIMATE.start_assume_abort_if_not_#in~cond#1=|v_ULTIMATE.start_assume_abort_if_not_#in~cond#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_assume_abort_if_not_~cond#1] 1630#[$Ultimate##0, L41-4, L35-3]don't care [131] L35-3-->L34-3: Formula: (not (= |v_ULTIMATE.start_assume_abort_if_not_~cond#1_8| 0)) InVars {ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_8|} OutVars{ULTIMATE.start_assume_abort_if_not_~cond#1=|v_ULTIMATE.start_assume_abort_if_not_~cond#1_8|} AuxVars[] AssignedVars[] 2239#[$Ultimate##0, L41-4, L34-3]don't care [136] L34-3-->L78: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] 2980#[$Ultimate##0, L41-4, L78]don't care [142] L78-->L65-3: Formula: (= |v_ULTIMATE.start_main_#res#1_2| 0) InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] 3802#[L65-3, $Ultimate##0, L41-4]don't care [121] L65-3-->L65-4: Formula: (= (store |v_#valid_11| |v_ULTIMATE.start_main_~#t1~0#1.base_4| 0) |v_#valid_10|) InVars {ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_4|, #valid=|v_#valid_11|} OutVars{ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_4|, #valid=|v_#valid_10|} AuxVars[] AssignedVars[#valid] 4726#[$Ultimate##0, L41-4, L65-4]don't care [139] L65-4-->L65-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_5|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 5655#[$Ultimate##0, L41-4, L65-5]don't care [144] L65-5-->L65-6: Formula: (= |v_#valid_12| (store |v_#valid_13| |v_ULTIMATE.start_main_~#t2~0#1.base_4| 0)) InVars {ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_4|, #valid=|v_#valid_13|} OutVars{ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_4|, #valid=|v_#valid_12|} AuxVars[] AssignedVars[#valid] 6590#[$Ultimate##0, L41-4, L65-6]don't care [140] L65-6-->main_returnLabel#1: Formula: true InVars {} OutVars{ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_5|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t2~0#1.base] 7465#[main_returnLabel#1, $Ultimate##0, L41-4]don't care [178] main_returnLabel#1-->ULTIMATE.startFINAL: Formula: (= |v_ULTIMATE.start_main_#res#1_3| |v_ULTIMATE.start_#t~ret11#1_1|) InVars {ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} OutVars{ULTIMATE.start_#t~ret11#1=|v_ULTIMATE.start_#t~ret11#1_1|, ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_#t~ret11#1] 8283#[$Ultimate##0, L41-4, ULTIMATE.startFINAL]don't care [187] ULTIMATE.startFINAL-->ULTIMATE.startEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 9091#[ULTIMATE.startEXIT, $Ultimate##0, L41-4]don't care [198] $Ultimate##0-->L54-1: Formula: (= v_thread2Thread1of1ForFork1_~i~1_1 0) InVars {} OutVars{thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_1} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_~i~1] 9844#[ULTIMATE.startEXIT, L54-1, L41-4]don't care [199] L54-1-->L53: Formula: (< v_thread2Thread1of1ForFork1_~i~1_3 v_~M2~0_2) InVars {~M2~0=v_~M2~0_2, thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_3} OutVars{~M2~0=v_~M2~0_2, thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_3} AuxVars[] AssignedVars[] 10588#[ULTIMATE.startEXIT, L53, L41-4]don't care [2023-09-17 11:43:10,658 INFO L750 eck$LassoCheckResult]: Loop: 10588#[ULTIMATE.startEXIT, L53, L41-4]don't care [189] L41-4-->L42: Formula: (< v_thread1Thread1of1ForFork0_~i~0_3 v_~M1~0_2) InVars {thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3, ~M1~0=v_~M1~0_2} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3, ~M1~0=v_~M1~0_2} AuxVars[] AssignedVars[] 10909#[L42, ULTIMATE.startEXIT, L53]don't care [192] L42-->L44: Formula: (= (+ v_~counter~0_26 1) v_~counter~0_25) InVars {~counter~0=v_~counter~0_26} OutVars{~counter~0=v_~counter~0_25, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_1|} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork0_#t~post2] 11268#[L44, ULTIMATE.startEXIT, L53]don't care [194] L44-->L41-2: Formula: (= v_thread1Thread1of1ForFork0_~i~0_7 |v_thread1Thread1of1ForFork0_#t~post1_1|) InVars {thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_7} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_7, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_1|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1] 11783#[L41-2, ULTIMATE.startEXIT, L53]don't care [196] L41-2-->L41-3: Formula: (= v_thread1Thread1of1ForFork0_~i~0_9 (+ |v_thread1Thread1of1ForFork0_#t~post1_3| 1)) InVars {thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_3|} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_9, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_3|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_~i~0] 12133#[ULTIMATE.startEXIT, L53, L41-3]don't care [197] L41-3-->L41-4: Formula: true InVars {} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_5|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1] 12331#[ULTIMATE.startEXIT, L53, L41-4]don't care [202] L53-->L54-1: Formula: (or (and (= v_~counter~0_Out_2 v_~counter~0_In_1) (= v_thread2Thread1of1ForFork1_~i~1_8 v_thread2Thread1of1ForFork1_~i~1_7) (= |v_thread2Thread1of1ForFork1_#t~post3_1| |v_thread2Thread1of1ForFork1_#t~post3_2|) (= |v_thread2Thread1of1ForFork1_#t~post4_2| |v_thread2Thread1of1ForFork1_#t~post4_1|) (<= v_~counter~0_In_1 0)) (and (< 0 v_~counter~0_In_1) (= v_~counter~0_In_1 (+ v_~counter~0_Out_2 1)) (= (+ v_thread2Thread1of1ForFork1_~i~1_7 1) v_thread2Thread1of1ForFork1_~i~1_8))) InVars {~counter~0=v_~counter~0_In_1, thread2Thread1of1ForFork1_#t~post4=|v_thread2Thread1of1ForFork1_#t~post4_1|, thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_7, thread2Thread1of1ForFork1_#t~post3=|v_thread2Thread1of1ForFork1_#t~post3_1|} OutVars{~counter~0=v_~counter~0_Out_2, thread2Thread1of1ForFork1_#t~post4=|v_thread2Thread1of1ForFork1_#t~post4_2|, thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_8, thread2Thread1of1ForFork1_#t~post3=|v_thread2Thread1of1ForFork1_#t~post3_2|} AuxVars[] AssignedVars[~counter~0, thread2Thread1of1ForFork1_#t~post4, thread2Thread1of1ForFork1_~i~1, thread2Thread1of1ForFork1_#t~post3] 9844#[ULTIMATE.startEXIT, L54-1, L41-4]don't care [199] L54-1-->L53: Formula: (< v_thread2Thread1of1ForFork1_~i~1_3 v_~M2~0_2) InVars {~M2~0=v_~M2~0_2, thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_3} OutVars{~M2~0=v_~M2~0_2, thread2Thread1of1ForFork1_~i~1=v_thread2Thread1of1ForFork1_~i~1_3} AuxVars[] AssignedVars[] 10588#[ULTIMATE.startEXIT, L53, L41-4]don't care [2023-09-17 11:43:10,663 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-17 11:43:10,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1218441539, now seen corresponding path program 1 times [2023-09-17 11:43:10,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-17 11:43:10,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102042007] [2023-09-17 11:43:10,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-17 11:43:10,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-17 11:43:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-17 11:43:10,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-17 11:43:10,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-17 11:43:10,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102042007] [2023-09-17 11:43:10,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102042007] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-17 11:43:10,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-17 11:43:10,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-17 11:43:10,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855896109] [2023-09-17 11:43:10,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-17 11:43:10,889 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-09-17 11:43:10,891 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-17 11:43:10,891 INFO L85 PathProgramCache]: Analyzing trace with hash -930658212, now seen corresponding path program 1 times [2023-09-17 11:43:10,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-17 11:43:10,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598649046] [2023-09-17 11:43:10,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-17 11:43:10,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-17 11:43:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-17 11:43:10,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-17 11:43:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-17 11:43:10,942 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-17 11:43:11,101 INFO L210 LassoAnalysis]: Preferences: [2023-09-17 11:43:11,101 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-09-17 11:43:11,102 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-09-17 11:43:11,102 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-09-17 11:43:11,102 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-09-17 11:43:11,103 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:43:11,103 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-09-17 11:43:11,103 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-09-17 11:43:11,103 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-nonblocking-cntr-alt.wvr.c_BEv2_Iteration1_Loop [2023-09-17 11:43:11,104 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-09-17 11:43:11,104 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-09-17 11:43:11,121 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 11:43:11,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 11:43:11,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 11:43:11,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 11:43:11,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 11:43:11,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 11:43:11,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 11:43:11,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 11:43:11,283 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-09-17 11:43:11,383 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-09-17 11:43:11,383 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-09-17 11:43:11,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:43:11,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:43:11,402 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) [2023-09-17 11:43:11,403 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 [2023-09-17 11:43:11,419 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 11:43:11,419 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 11:43:11,452 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-09-17 11:43:11,452 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: [] [2023-09-17 11:43:11,457 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 [2023-09-17 11:43:11,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:43:11,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:43:11,690 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) [2023-09-17 11:43:11,693 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 [2023-09-17 11:43:11,697 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 11:43:11,697 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 11:43:11,713 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-09-17 11:43:11,713 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_#t~post1=0} Honda state: {thread1Thread1of1ForFork0_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-09-17 11:43:11,718 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 [2023-09-17 11:43:11,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:43:11,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:43:11,731 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) [2023-09-17 11:43:11,732 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 [2023-09-17 11:43:11,734 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 11:43:11,734 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 11:43:11,767 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-09-17 11:43:11,767 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: [] [2023-09-17 11:43:11,773 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 [2023-09-17 11:43:11,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:43:11,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:43:11,775 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) [2023-09-17 11:43:11,804 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 11:43:11,804 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 11:43:11,814 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 [2023-09-17 11:43:11,815 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-09-17 11:43:11,815 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_#t~post2=0} Honda state: {thread1Thread1of1ForFork0_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-09-17 11:43:11,819 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 [2023-09-17 11:43:11,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:43:11,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:43:11,821 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) [2023-09-17 11:43:11,823 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 [2023-09-17 11:43:11,824 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 11:43:11,824 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 11:43:11,838 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-09-17 11:43:11,838 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: [] [2023-09-17 11:43:11,845 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 [2023-09-17 11:43:11,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:43:11,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:43:11,847 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) [2023-09-17 11:43:11,849 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 [2023-09-17 11:43:11,850 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 11:43:11,850 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 11:43:11,873 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-09-17 11:43:11,873 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: [] [2023-09-17 11:43:11,878 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 [2023-09-17 11:43:11,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:43:11,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:43:11,879 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) [2023-09-17 11:43:11,904 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 [2023-09-17 11:43:11,905 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 11:43:11,905 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 11:43:11,941 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 [2023-09-17 11:43:11,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:43:11,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:43:11,943 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) [2023-09-17 11:43:11,945 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 [2023-09-17 11:43:11,946 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-09-17 11:43:11,946 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 11:43:12,045 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-09-17 11:43:12,053 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 [2023-09-17 11:43:12,054 INFO L210 LassoAnalysis]: Preferences: [2023-09-17 11:43:12,054 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-09-17 11:43:12,054 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-09-17 11:43:12,054 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-09-17 11:43:12,054 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-09-17 11:43:12,054 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:43:12,054 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-09-17 11:43:12,054 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-09-17 11:43:12,054 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-nonblocking-cntr-alt.wvr.c_BEv2_Iteration1_Loop [2023-09-17 11:43:12,054 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-09-17 11:43:12,054 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-09-17 11:43:12,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 11:43:12,071 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 11:43:12,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 11:43:12,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 11:43:12,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 11:43:12,079 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 11:43:12,081 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 11:43:12,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-09-17 11:43:12,214 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-09-17 11:43:12,286 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-09-17 11:43:12,289 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-09-17 11:43:12,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:43:12,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:43:12,294 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) [2023-09-17 11:43:12,296 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 [2023-09-17 11:43:12,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-09-17 11:43:12,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 11:43:12,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 11:43:12,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 11:43:12,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 11:43:12,307 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-09-17 11:43:12,307 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-09-17 11:43:12,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-09-17 11:43:12,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-09-17 11:43:12,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:43:12,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:43:12,333 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) [2023-09-17 11:43:12,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-09-17 11:43:12,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 11:43:12,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 11:43:12,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 11:43:12,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 11:43:12,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-09-17 11:43:12,371 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 [2023-09-17 11:43:12,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-09-17 11:43:12,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-09-17 11:43:12,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-09-17 11:43:12,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:43:12,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:43:12,408 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) [2023-09-17 11:43:12,409 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 [2023-09-17 11:43:12,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-09-17 11:43:12,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 11:43:12,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-09-17 11:43:12,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 11:43:12,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 11:43:12,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 11:43:12,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-09-17 11:43:12,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-09-17 11:43:12,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-09-17 11:43:12,424 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 [2023-09-17 11:43:12,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:43:12,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:43:12,427 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) [2023-09-17 11:43:12,427 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 [2023-09-17 11:43:12,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-09-17 11:43:12,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 11:43:12,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 11:43:12,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 11:43:12,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 11:43:12,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-09-17 11:43:12,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-09-17 11:43:12,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-09-17 11:43:12,479 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 [2023-09-17 11:43:12,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:43:12,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:43:12,481 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) [2023-09-17 11:43:12,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-09-17 11:43:12,530 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 [2023-09-17 11:43:12,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 11:43:12,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-09-17 11:43:12,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 11:43:12,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 11:43:12,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 11:43:12,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-09-17 11:43:12,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-09-17 11:43:12,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-09-17 11:43:12,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-09-17 11:43:12,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:43:12,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:43:12,543 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) [2023-09-17 11:43:12,544 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 [2023-09-17 11:43:12,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-09-17 11:43:12,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 11:43:12,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 11:43:12,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 11:43:12,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 11:43:12,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-09-17 11:43:12,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-09-17 11:43:12,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-09-17 11:43:12,575 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 [2023-09-17 11:43:12,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:43:12,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:43:12,576 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) [2023-09-17 11:43:12,578 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 [2023-09-17 11:43:12,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-09-17 11:43:12,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 11:43:12,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-09-17 11:43:12,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 11:43:12,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 11:43:12,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 11:43:12,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-09-17 11:43:12,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-09-17 11:43:12,603 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-09-17 11:43:12,605 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-09-17 11:43:12,605 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-09-17 11:43:12,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:43:12,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:43:12,608 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) [2023-09-17 11:43:12,610 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 [2023-09-17 11:43:12,611 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-09-17 11:43:12,611 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-09-17 11:43:12,611 INFO L513 LassoAnalysis]: Proved termination. [2023-09-17 11:43:12,612 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~M1~0, thread1Thread1of1ForFork0_~i~0) = 1*~M1~0 - 1*thread1Thread1of1ForFork0_~i~0 Supporting invariants [] [2023-09-17 11:43:12,615 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 [2023-09-17 11:43:12,618 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-09-17 11:43:12,648 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-17 11:43:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-17 11:43:12,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjunts are in the unsatisfiable core [2023-09-17 11:43:12,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-17 11:43:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-17 11:43:12,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2023-09-17 11:43:12,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-17 11:43:12,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-17 11:43:12,792 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2023-09-17 11:43:12,794 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand null Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-17 11:43:13,359 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 [2023-09-17 11:43:13,758 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand null. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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 48680 states and 158230 transitions. Complement of second has 10 states. [2023-09-17 11:43:13,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-09-17 11:43:13,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-17 11:43:13,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 183 transitions. [2023-09-17 11:43:13,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 183 transitions. Stem has 51 letters. Loop has 7 letters. [2023-09-17 11:43:13,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-09-17 11:43:13,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 183 transitions. Stem has 58 letters. Loop has 7 letters. [2023-09-17 11:43:13,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-09-17 11:43:13,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 183 transitions. Stem has 51 letters. Loop has 14 letters. [2023-09-17 11:43:13,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-09-17 11:43:13,768 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48680 states and 158230 transitions. [2023-09-17 11:43:14,768 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 67 [2023-09-17 11:43:14,892 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48680 states to 9568 states and 29598 transitions. [2023-09-17 11:43:14,894 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2197 [2023-09-17 11:43:14,906 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3912 [2023-09-17 11:43:14,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9568 states and 29598 transitions. [2023-09-17 11:43:14,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-17 11:43:14,935 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9568 states and 29598 transitions. [2023-09-17 11:43:14,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9568 states and 29598 transitions. [2023-09-17 11:43:15,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9568 to 4650. [2023-09-17 11:43:15,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4650 states, 4650 states have (on average 3.206451612903226) internal successors, (14910), 4649 states have internal predecessors, (14910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-17 11:43:15,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4650 states to 4650 states and 14910 transitions. [2023-09-17 11:43:15,220 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4650 states and 14910 transitions. [2023-09-17 11:43:15,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-17 11:43:15,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-17 11:43:15,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-17 11:43:15,228 INFO L87 Difference]: Start difference. First operand 4650 states and 14910 transitions. Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-17 11:43:15,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-09-17 11:43:15,257 INFO L93 Difference]: Finished difference Result 2972 states and 8489 transitions. [2023-09-17 11:43:15,257 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2972 states and 8489 transitions. [2023-09-17 11:43:15,273 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-09-17 11:43:15,274 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2972 states to 0 states and 0 transitions. [2023-09-17 11:43:15,274 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-09-17 11:43:15,274 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-09-17 11:43:15,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-09-17 11:43:15,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-17 11:43:15,274 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-09-17 11:43:15,274 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-09-17 11:43:15,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-17 11:43:15,275 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-09-17 11:43:15,275 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-09-17 11:43:15,275 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-09-17 11:43:15,276 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-09-17 11:43:15,276 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-09-17 11:43:15,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.09 11:43:15 BoogieIcfgContainer [2023-09-17 11:43:15,282 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-09-17 11:43:15,283 INFO L158 Benchmark]: Toolchain (without parser) took 5857.17ms. Allocated memory was 364.9MB in the beginning and 1.2GB in the end (delta: 885.0MB). Free memory was 323.3MB in the beginning and 1.0GB in the end (delta: -706.2MB). Peak memory consumption was 179.3MB. Max. memory is 8.0GB. [2023-09-17 11:43:15,283 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-09-17 11:43:15,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 148.74ms. Allocated memory is still 364.9MB. Free memory was 323.3MB in the beginning and 312.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-09-17 11:43:15,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.06ms. Allocated memory is still 364.9MB. Free memory was 312.8MB in the beginning and 311.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-09-17 11:43:15,284 INFO L158 Benchmark]: Boogie Preprocessor took 13.97ms. Allocated memory is still 364.9MB. Free memory was 311.2MB in the beginning and 309.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-09-17 11:43:15,284 INFO L158 Benchmark]: RCFGBuilder took 282.03ms. Allocated memory is still 364.9MB. Free memory was 309.6MB in the beginning and 295.5MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-09-17 11:43:15,285 INFO L158 Benchmark]: BuchiAutomizer took 5386.60ms. Allocated memory was 364.9MB in the beginning and 1.2GB in the end (delta: 885.0MB). Free memory was 295.5MB in the beginning and 1.0GB in the end (delta: -734.0MB). Peak memory consumption was 152.0MB. Max. memory is 8.0GB. [2023-09-17 11:43:15,287 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 189.8MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 148.74ms. Allocated memory is still 364.9MB. Free memory was 323.3MB in the beginning and 312.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.06ms. Allocated memory is still 364.9MB. Free memory was 312.8MB in the beginning and 311.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.97ms. Allocated memory is still 364.9MB. Free memory was 311.2MB in the beginning and 309.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 282.03ms. Allocated memory is still 364.9MB. Free memory was 309.6MB in the beginning and 295.5MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 5386.60ms. Allocated memory was 364.9MB in the beginning and 1.2GB in the end (delta: 885.0MB). Free memory was 295.5MB in the beginning and 1.0GB in the end (delta: -734.0MB). Peak memory consumption was 152.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + M1 and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.3s AutomataMinimizationTime, 1 MinimizatonAttempts, 4918 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 1.1s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 99 mSDsluCounter, 208 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 139 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital48 mio100 ax166 hnf100 lsp177 ukn42 mio100 lsp100 div100 bol100 ite100 ukn100 eq181 hnf100 smp100 dnf113 smp50 tf103 neg100 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-09-17 11:43:15,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...