/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 NONE -i ../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.me.fairness-42053ae-m [2023-09-17 11:21:56,539 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-09-17 11:21:56,593 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 11:21:56,609 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-17 11:21:56,609 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-17 11:21:56,609 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-17 11:21:56,610 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-17 11:21:56,610 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-09-17 11:21:56,611 INFO L137 SettingsManager]: * Use SBE=true [2023-09-17 11:21:56,611 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-09-17 11:21:56,611 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-09-17 11:21:56,611 INFO L137 SettingsManager]: * Use old map elimination=false [2023-09-17 11:21:56,612 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-09-17 11:21:56,612 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-09-17 11:21:56,612 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-09-17 11:21:56,612 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-17 11:21:56,613 INFO L137 SettingsManager]: * sizeof long=4 [2023-09-17 11:21:56,613 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-17 11:21:56,613 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-17 11:21:56,613 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-09-17 11:21:56,614 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-09-17 11:21:56,617 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-09-17 11:21:56,617 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-09-17 11:21:56,617 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-09-17 11:21:56,617 INFO L137 SettingsManager]: * sizeof long double=12 [2023-09-17 11:21:56,618 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-09-17 11:21:56,618 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-09-17 11:21:56,618 INFO L137 SettingsManager]: * Use constant arrays=true [2023-09-17 11:21:56,618 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-09-17 11:21:56,618 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-17 11:21:56,619 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-17 11:21:56,619 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-17 11:21:56,619 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-17 11:21:56,619 INFO L137 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-17 11:21:56,620 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-09-17 11:21:56,620 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Fairness type for concurrent programs -> NONE [2023-09-17 11:21:56,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-17 11:21:56,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-17 11:21:56,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-17 11:21:56,867 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-17 11:21:56,867 INFO L274 PluginConnector]: CDTParser initialized [2023-09-17 11:21:56,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2023-09-17 11:21:57,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-17 11:21:58,099 INFO L384 CDTParser]: Found 1 translation units. [2023-09-17 11:21:58,100 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2023-09-17 11:21:58,106 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59458fbd/589c310d21524e248c5bcd9fbce53e43/FLAGab8326755 [2023-09-17 11:21:58,115 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59458fbd/589c310d21524e248c5bcd9fbce53e43 [2023-09-17 11:21:58,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-17 11:21:58,119 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-17 11:21:58,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-17 11:21:58,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-17 11:21:58,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-17 11:21:58,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 11:21:58" (1/1) ... [2023-09-17 11:21:58,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f568e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:21:58, skipping insertion in model container [2023-09-17 11:21:58,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 11:21:58" (1/1) ... [2023-09-17 11:21:58,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-17 11:21:58,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-17 11:21:58,285 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-counter-determinism.wvr.c[2384,2397] [2023-09-17 11:21:58,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-17 11:21:58,295 INFO L203 MainTranslator]: Completed pre-run [2023-09-17 11:21:58,325 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-counter-determinism.wvr.c[2384,2397] [2023-09-17 11:21:58,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-17 11:21:58,331 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-17 11:21:58,331 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-17 11:21:58,336 INFO L208 MainTranslator]: Completed translation [2023-09-17 11:21:58,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:21:58 WrapperNode [2023-09-17 11:21:58,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-17 11:21:58,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-17 11:21:58,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-17 11:21:58,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-17 11:21:58,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:21:58" (1/1) ... [2023-09-17 11:21:58,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:21:58" (1/1) ... [2023-09-17 11:21:58,363 INFO L138 Inliner]: procedures = 23, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 104 [2023-09-17 11:21:58,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-17 11:21:58,364 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-17 11:21:58,364 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-17 11:21:58,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-17 11:21:58,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:21:58" (1/1) ... [2023-09-17 11:21:58,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:21:58" (1/1) ... [2023-09-17 11:21:58,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:21:58" (1/1) ... [2023-09-17 11:21:58,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:21:58" (1/1) ... [2023-09-17 11:21:58,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:21:58" (1/1) ... [2023-09-17 11:21:58,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:21:58" (1/1) ... [2023-09-17 11:21:58,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:21:58" (1/1) ... [2023-09-17 11:21:58,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:21:58" (1/1) ... [2023-09-17 11:21:58,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-17 11:21:58,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-17 11:21:58,393 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-17 11:21:58,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-17 11:21:58,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:21:58" (1/1) ... [2023-09-17 11:21:58,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:21:58,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:21:58,446 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 11:21:58,490 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 11:21:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-17 11:21:58,521 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-17 11:21:58,521 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-17 11:21:58,521 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-17 11:21:58,521 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-17 11:21:58,521 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-09-17 11:21:58,522 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-09-17 11:21:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-09-17 11:21:58,522 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-09-17 11:21:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-17 11:21:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-17 11:21:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-17 11:21:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-17 11:21:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-17 11:21:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-17 11:21:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-17 11:21:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-17 11:21:58,524 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 11:21:58,618 INFO L236 CfgBuilder]: Building ICFG [2023-09-17 11:21:58,624 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-17 11:21:58,851 INFO L277 CfgBuilder]: Performing block encoding [2023-09-17 11:21:58,896 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-17 11:21:58,896 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-09-17 11:21:58,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 11:21:58 BoogieIcfgContainer [2023-09-17 11:21:58,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-17 11:21:58,899 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-09-17 11:21:58,899 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-09-17 11:21:58,902 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-09-17 11:21:58,902 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-09-17 11:21:58,902 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.09 11:21:58" (1/3) ... [2023-09-17 11:21:58,903 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b11c407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.09 11:21:58, skipping insertion in model container [2023-09-17 11:21:58,903 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-09-17 11:21:58,904 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 11:21:58" (2/3) ... [2023-09-17 11:21:58,904 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b11c407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.09 11:21:58, skipping insertion in model container [2023-09-17 11:21:58,904 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-09-17 11:21:58,905 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 11:21:58" (3/3) ... [2023-09-17 11:21:58,906 INFO L332 chiAutomizerObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2023-09-17 11:21:58,997 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-17 11:21:59,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 109 places, 109 transitions, 238 flow [2023-09-17 11:21:59,045 INFO L124 PetriNetUnfolderBase]: 9/101 cut-off events. [2023-09-17 11:21:59,046 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-09-17 11:21:59,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 101 events. 9/101 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 96 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 84. Up to 2 conditions per place. [2023-09-17 11:21:59,050 INFO L82 GeneralOperation]: Start removeDead. Operand has 109 places, 109 transitions, 238 flow [2023-09-17 11:21:59,054 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 101 transitions, 214 flow [2023-09-17 11:21:59,063 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-09-17 11:21:59,063 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-09-17 11:21:59,063 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-09-17 11:21:59,063 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-09-17 11:21:59,063 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-09-17 11:21:59,064 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-09-17 11:21:59,064 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-09-17 11:21:59,064 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-09-17 11:21:59,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2023-09-17 11:22:08,222 INFO L131 ngComponentsAnalysis]: Automaton has 7806 accepting balls. 130510 [2023-09-17 11:22:08,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-09-17 11:22:08,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-09-17 11:22:08,232 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] [2023-09-17 11:22:08,232 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-09-17 11:22:08,233 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-09-17 11:22:08,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 136156 states, but on-demand construction may add more states [2023-09-17 11:22:12,290 INFO L131 ngComponentsAnalysis]: Automaton has 7806 accepting balls. 130510 [2023-09-17 11:22:12,290 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-09-17 11:22:12,291 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-09-17 11:22:12,295 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] [2023-09-17 11:22:12,295 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-09-17 11:22:12,306 INFO L748 eck$LassoCheckResult]: Stem: 112#[$Ultimate##0]don't care [215] $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] 115#[L-1]don't care [226] L-1-->L-1-1: Formula: (= (select |v_#valid_9| 0) 0) InVars {#valid=|v_#valid_9|} OutVars{#valid=|v_#valid_9|} AuxVars[] AssignedVars[] 117#[L-1-1]don't care [283] L-1-1-->L21: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] 119#[L21]don't care [262] L21-->L21-1: Formula: (and (= (select |v_#valid_10| 1) 1) (= 2 (select |v_#length_1| 1))) InVars {#length=|v_#length_1|, #valid=|v_#valid_10|} OutVars{#length=|v_#length_1|, #valid=|v_#valid_10|} AuxVars[] AssignedVars[] 121#[L21-1]don't care [275] 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[] 123#[L21-2]don't care [228] 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[] 125#[L21-3]don't care [257] L21-3-->L21-4: Formula: (and (= (select |v_#valid_11| 2) 1) (= 33 (select |v_#length_2| 2))) InVars {#length=|v_#length_2|, #valid=|v_#valid_11|} OutVars{#length=|v_#length_2|, #valid=|v_#valid_11|} AuxVars[] AssignedVars[] 127#[L21-4]don't care [243] L21-4-->L38: Formula: (= v_~N~0_7 0) InVars {} OutVars{~N~0=v_~N~0_7} AuxVars[] AssignedVars[~N~0] 129#[L38]don't care [244] L38-->L38-1: Formula: (= v_~counter1~0_6 0) InVars {} OutVars{~counter1~0=v_~counter1~0_6} AuxVars[] AssignedVars[~counter1~0] 131#[L38-1]don't care [258] L38-1-->L-1-2: Formula: (= v_~counter2~0_3 0) InVars {} OutVars{~counter2~0=v_~counter2~0_3} AuxVars[] AssignedVars[~counter2~0] 133#[L-1-2]don't care [285] L-1-2-->L-1-3: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] 135#[L-1-3]don't care [287] L-1-3-->L83: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_1|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_3|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_3|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_3|, 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|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_1|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_1|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_1|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_1|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_1|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_1|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_3|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_1|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_3|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_1|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, ULTIMATE.start_main_#t~nondet13#1, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet15#1, ULTIMATE.start_main_~#t2~0#1.base] 137#[L83]don't care [207] L83-->L83-1: Formula: (and (= (store |v_#valid_13| |v_ULTIMATE.start_main_~#t1~0#1.base_4| 1) |v_#valid_12|) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t1~0#1.base_4|) (= (select |v_#valid_13| |v_ULTIMATE.start_main_~#t1~0#1.base_4|) 0) (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_4| 0)) (= (store |v_#length_4| |v_ULTIMATE.start_main_~#t1~0#1.base_4| 4) |v_#length_3|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_4| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_4|, #valid=|v_#valid_13|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_4|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_4|, #valid=|v_#valid_12|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 139#[L83-1]don't care [246] L83-1-->L83-2: Formula: (and (= (select |v_#valid_15| |v_ULTIMATE.start_main_~#t2~0#1.base_4|) 0) (= (store |v_#valid_15| |v_ULTIMATE.start_main_~#t2~0#1.base_4| 1) |v_#valid_14|) (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#t2~0#1.base_4|) (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_4| 0)) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_4|) (= (store |v_#length_6| |v_ULTIMATE.start_main_~#t2~0#1.base_4| 4) |v_#length_5|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_6|, #valid=|v_#valid_15|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_5|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_4|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_4|, #valid=|v_#valid_14|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 141#[L83-2]don't care [269] L83-2-->L83-3: Formula: (and (< |v_#StackHeapBarrier_4| |v_ULTIMATE.start_main_~#t3~0#1.base_4|) (= (store |v_#length_8| |v_ULTIMATE.start_main_~#t3~0#1.base_4| 4) |v_#length_7|) (= (store |v_#valid_17| |v_ULTIMATE.start_main_~#t3~0#1.base_4| 1) |v_#valid_16|) (not (= |v_ULTIMATE.start_main_~#t3~0#1.base_4| 0)) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_4| 0) (= (select |v_#valid_17| |v_ULTIMATE.start_main_~#t3~0#1.base_4|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_8|, #valid=|v_#valid_17|} OutVars{ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_7|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_4|, #valid=|v_#valid_16|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t3~0#1.offset, #valid, ULTIMATE.start_main_~#t3~0#1.base, #length] 143#[L83-3]don't care [274] L83-3-->L83-4: Formula: (and (= |v_ULTIMATE.start_main_~#t4~0#1.offset_4| 0) (= (select |v_#valid_19| |v_ULTIMATE.start_main_~#t4~0#1.base_4|) 0) (= (store |v_#valid_19| |v_ULTIMATE.start_main_~#t4~0#1.base_4| 1) |v_#valid_18|) (< |v_#StackHeapBarrier_5| |v_ULTIMATE.start_main_~#t4~0#1.base_4|) (not (= |v_ULTIMATE.start_main_~#t4~0#1.base_4| 0)) (= (store |v_#length_10| |v_ULTIMATE.start_main_~#t4~0#1.base_4| 4) |v_#length_9|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_10|, #valid=|v_#valid_19|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_9|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_4|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_4|, #valid=|v_#valid_18|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base] 145#[L83-4]don't care [245] L83-4-->L85: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1] 147#[L85]don't care [223] L85-->L85-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet9#1_3| v_~N~0_8) InVars {ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|, ~N~0=v_~N~0_8} AuxVars[] AssignedVars[~N~0] 149#[L85-1]don't care [236] L85-1-->L88: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1] 151#[L88]don't care [259] L88-->L88-1: Formula: (= |v_ULTIMATE.start_main_#t~pre10#1_2| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre10#1] 153#[L88-1]don't care [273] L88-1-->L88-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 155#[L88-2]don't care [204] L88-2-->L88-3: Formula: (and (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t1~0#1.base_5| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t1~0#1.base_5|) |v_ULTIMATE.start_main_~#t1~0#1.offset_5| |v_ULTIMATE.start_main_#t~pre10#1_3|)) |v_#memory_int_3|) (= (select |v_#valid_20| |v_ULTIMATE.start_main_~#t1~0#1.base_5|) 1) (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_5| 4) (select |v_#length_11| |v_ULTIMATE.start_main_~#t1~0#1.base_5|)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_5|)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_3|, #valid=|v_#valid_20|, #memory_int=|v_#memory_int_4|, #length=|v_#length_11|, 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|} OutVars{ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_3|, #valid=|v_#valid_20|, #memory_int=|v_#memory_int_3|, #length=|v_#length_11|, 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[#memory_int] 157#[L88-3]don't care [334] L88-3-->$Ultimate##0: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#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|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, 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} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 159#[$Ultimate##0, L88-4]don't care [292] $Ultimate##0-->L41-4: Formula: (= v_thread1Thread1of1ForFork0_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_~i~0] 163#[L41-4, L88-4]don't care [2023-09-17 11:22:12,310 INFO L750 eck$LassoCheckResult]: Loop: 163#[L41-4, L88-4]don't care [293] L41-4-->L42: Formula: (< v_thread1Thread1of1ForFork0_~i~0_3 v_~N~0_2) InVars {thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3, ~N~0=v_~N~0_2} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3, ~N~0=v_~N~0_2} AuxVars[] AssignedVars[] 169#[L42, L88-4]don't care [296] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post2, ~counter1~0] 181#[L44, L88-4]don't care [298] 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] 197#[L41-2, L88-4]don't care [300] 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] 217#[L41-3, L88-4]don't care [301] L41-3-->L41-4: Formula: true InVars {} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_5|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1] 163#[L41-4, L88-4]don't care [2023-09-17 11:22:12,315 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-17 11:22:12,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1615002600, now seen corresponding path program 1 times [2023-09-17 11:22:12,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-17 11:22:12,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761058366] [2023-09-17 11:22:12,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-17 11:22:12,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-17 11:22:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-17 11:22:12,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-17 11:22:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-17 11:22:12,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-17 11:22:12,501 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-17 11:22:12,501 INFO L85 PathProgramCache]: Analyzing trace with hash 308334919, now seen corresponding path program 1 times [2023-09-17 11:22:12,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-17 11:22:12,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211308723] [2023-09-17 11:22:12,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-17 11:22:12,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-17 11:22:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-17 11:22:12,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-17 11:22:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-17 11:22:12,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-17 11:22:12,522 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-17 11:22:12,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1710370240, now seen corresponding path program 1 times [2023-09-17 11:22:12,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-17 11:22:12,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114376686] [2023-09-17 11:22:12,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-17 11:22:12,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-17 11:22:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-17 11:22:12,567 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-17 11:22:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-17 11:22:12,591 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-17 11:22:12,640 INFO L210 LassoAnalysis]: Preferences: [2023-09-17 11:22:12,641 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-09-17 11:22:12,641 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-09-17 11:22:12,641 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-09-17 11:22:12,641 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-09-17 11:22:12,641 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:12,641 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-09-17 11:22:12,641 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-09-17 11:22:12,642 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration1_Loop [2023-09-17 11:22:12,642 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-09-17 11:22:12,642 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-09-17 11:22:12,653 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 11:22:12,660 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 11:22:12,665 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 11:22:12,668 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 11:22:12,670 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 11:22:12,673 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 11:22:12,675 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 11:22:12,678 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 11:22:12,681 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 11:22:12,684 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 11:22:12,686 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 11:22:12,688 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 11:22:12,804 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-09-17 11:22:12,805 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-09-17 11:22:12,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:12,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:22:12,809 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 11:22:12,828 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 11:22:12,828 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 11:22:12,842 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 11:22:12,851 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-09-17 11:22:12,851 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_1=3} Honda state: {v_rep#funAddr~thread4.offset_1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-09-17 11:22:12,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-09-17 11:22:12,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:12,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:22:12,859 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 11:22:12,861 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 11:22:12,863 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 11:22:12,864 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 11:22:12,888 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 11:22:12,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:12,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:22:12,891 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 11:22:12,893 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 11:22:12,912 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-09-17 11:22:12,912 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 11:22:13,032 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-09-17 11:22:13,036 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 11:22:13,036 INFO L210 LassoAnalysis]: Preferences: [2023-09-17 11:22:13,036 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-09-17 11:22:13,036 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-09-17 11:22:13,036 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-09-17 11:22:13,037 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-09-17 11:22:13,037 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:13,037 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-09-17 11:22:13,037 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-09-17 11:22:13,037 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration1_Loop [2023-09-17 11:22:13,037 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-09-17 11:22:13,037 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-09-17 11:22:13,039 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 11:22:13,053 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 11:22:13,055 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 11:22:13,058 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 11:22:13,061 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 11:22:13,063 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 11:22:13,067 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 11:22:13,069 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 11:22:13,071 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 11:22:13,073 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 11:22:13,074 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 11:22:13,083 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 11:22:13,166 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-09-17 11:22:13,169 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-09-17 11:22:13,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:13,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:22:13,171 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 11:22:13,174 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 11:22:13,176 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 11:22:13,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 11:22:13,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-09-17 11:22:13,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 11:22:13,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 11:22:13,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 11:22:13,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-09-17 11:22:13,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-09-17 11:22:13,201 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-09-17 11:22:13,206 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-09-17 11:22:13,206 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-09-17 11:22:13,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:13,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:22:13,259 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 11:22:13,260 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 11:22:13,261 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-09-17 11:22:13,261 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-09-17 11:22:13,262 INFO L513 LassoAnalysis]: Proved termination. [2023-09-17 11:22:13,262 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, thread1Thread1of1ForFork0_~i~0) = 1*~N~0 - 1*thread1Thread1of1ForFork0_~i~0 Supporting invariants [] [2023-09-17 11:22:13,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-09-17 11:22:13,267 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-09-17 11:22:13,284 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-17 11:22:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-17 11:22:13,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-09-17 11:22:13,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-17 11:22:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-17 11:22:13,352 WARN L260 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2023-09-17 11:22:13,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-17 11:22:13,558 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 11:22:13,587 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 11:22:13,610 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2023-09-17 11:22:13,612 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 136156 states, but on-demand construction may add more states Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 11:22:18,532 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 136156 states, but on-demand construction may add more states. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 275307 states and 1513237 transitions. Complement of second has 9 states. [2023-09-17 11:22:18,538 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 11:22:18,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 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 11:22:18,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 400 transitions. [2023-09-17 11:22:18,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 400 transitions. Stem has 24 letters. Loop has 5 letters. [2023-09-17 11:22:18,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-09-17 11:22:18,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 400 transitions. Stem has 29 letters. Loop has 5 letters. [2023-09-17 11:22:18,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-09-17 11:22:18,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 400 transitions. Stem has 24 letters. Loop has 10 letters. [2023-09-17 11:22:18,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-09-17 11:22:18,550 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 275307 states and 1513237 transitions. [2023-09-17 11:22:27,558 INFO L131 ngComponentsAnalysis]: Automaton has 4932 accepting balls. 51660 [2023-09-17 11:22:31,095 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 275307 states to 123258 states and 655086 transitions. [2023-09-17 11:22:31,096 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 61640 [2023-09-17 11:22:31,571 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86287 [2023-09-17 11:22:31,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 123258 states and 655086 transitions. [2023-09-17 11:22:31,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-09-17 11:22:31,573 INFO L218 hiAutomatonCegarLoop]: Abstraction has 123258 states and 655086 transitions. [2023-09-17 11:22:32,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123258 states and 655086 transitions. [2023-09-17 11:22:36,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123258 to 98613. [2023-09-17 11:22:36,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98613 states, 98613 states have (on average 5.384148134627281) internal successors, (530947), 98612 states have internal predecessors, (530947), 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 11:22:38,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98613 states to 98613 states and 530947 transitions. [2023-09-17 11:22:38,104 INFO L240 hiAutomatonCegarLoop]: Abstraction has 98613 states and 530947 transitions. [2023-09-17 11:22:38,104 INFO L428 stractBuchiCegarLoop]: Abstraction has 98613 states and 530947 transitions. [2023-09-17 11:22:38,105 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-09-17 11:22:38,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 98613 states and 530947 transitions. [2023-09-17 11:22:39,644 INFO L131 ngComponentsAnalysis]: Automaton has 4932 accepting balls. 51660 [2023-09-17 11:22:39,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-09-17 11:22:39,645 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-09-17 11:22:39,648 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] [2023-09-17 11:22:39,648 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-09-17 11:22:39,663 INFO L748 eck$LassoCheckResult]: Stem: 601896#[$Ultimate##0]don't care [215] $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] 601898#[L-1]don't care [226] L-1-->L-1-1: Formula: (= (select |v_#valid_9| 0) 0) InVars {#valid=|v_#valid_9|} OutVars{#valid=|v_#valid_9|} AuxVars[] AssignedVars[] 555270#[L-1-1]don't care [283] L-1-1-->L21: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] 555272#[L21]don't care [262] L21-->L21-1: Formula: (and (= (select |v_#valid_10| 1) 1) (= 2 (select |v_#length_1| 1))) InVars {#length=|v_#length_1|, #valid=|v_#valid_10|} OutVars{#length=|v_#length_1|, #valid=|v_#valid_10|} AuxVars[] AssignedVars[] 573776#[L21-1]don't care [275] 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[] 702886#[L21-2]don't care [228] 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[] 627566#[L21-3]don't care [257] L21-3-->L21-4: Formula: (and (= (select |v_#valid_11| 2) 1) (= 33 (select |v_#length_2| 2))) InVars {#length=|v_#length_2|, #valid=|v_#valid_11|} OutVars{#length=|v_#length_2|, #valid=|v_#valid_11|} AuxVars[] AssignedVars[] 627568#[L21-4]don't care [243] L21-4-->L38: Formula: (= v_~N~0_7 0) InVars {} OutVars{~N~0=v_~N~0_7} AuxVars[] AssignedVars[~N~0] 694052#[L38]don't care [244] L38-->L38-1: Formula: (= v_~counter1~0_6 0) InVars {} OutVars{~counter1~0=v_~counter1~0_6} AuxVars[] AssignedVars[~counter1~0] 738770#[L38-1]don't care [258] L38-1-->L-1-2: Formula: (= v_~counter2~0_3 0) InVars {} OutVars{~counter2~0=v_~counter2~0_3} AuxVars[] AssignedVars[~counter2~0] 729708#[L-1-2]don't care [285] L-1-2-->L-1-3: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] 729710#[L-1-3]don't care [287] L-1-3-->L83: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_1|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_3|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_3|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_3|, 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|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_1|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_1|, ULTIMATE.start_main_#t~pre14#1=|v_ULTIMATE.start_main_#t~pre14#1_1|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_1|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_1|, ULTIMATE.start_main_#t~pre16#1=|v_ULTIMATE.start_main_#t~pre16#1_1|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_3|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_1|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_3|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_1|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~pre12#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_#t~pre14#1, ULTIMATE.start_main_#t~pre10#1, ULTIMATE.start_main_#t~nondet13#1, ULTIMATE.start_main_#t~pre16#1, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~nondet15#1, ULTIMATE.start_main_~#t2~0#1.base] 625960#[L83]don't care [207] L83-->L83-1: Formula: (and (= (store |v_#valid_13| |v_ULTIMATE.start_main_~#t1~0#1.base_4| 1) |v_#valid_12|) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t1~0#1.base_4|) (= (select |v_#valid_13| |v_ULTIMATE.start_main_~#t1~0#1.base_4|) 0) (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_4| 0)) (= (store |v_#length_4| |v_ULTIMATE.start_main_~#t1~0#1.base_4| 4) |v_#length_3|) (= |v_ULTIMATE.start_main_~#t1~0#1.offset_4| 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_4|, #valid=|v_#valid_13|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_4|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_4|, #valid=|v_#valid_12|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 625962#[L83-1]don't care [246] L83-1-->L83-2: Formula: (and (= (select |v_#valid_15| |v_ULTIMATE.start_main_~#t2~0#1.base_4|) 0) (= (store |v_#valid_15| |v_ULTIMATE.start_main_~#t2~0#1.base_4| 1) |v_#valid_14|) (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#t2~0#1.base_4|) (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_4| 0)) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_4|) (= (store |v_#length_6| |v_ULTIMATE.start_main_~#t2~0#1.base_4| 4) |v_#length_5|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_6|, #valid=|v_#valid_15|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_5|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_4|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_4|, #valid=|v_#valid_14|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 739082#[L83-2]don't care [269] L83-2-->L83-3: Formula: (and (< |v_#StackHeapBarrier_4| |v_ULTIMATE.start_main_~#t3~0#1.base_4|) (= (store |v_#length_8| |v_ULTIMATE.start_main_~#t3~0#1.base_4| 4) |v_#length_7|) (= (store |v_#valid_17| |v_ULTIMATE.start_main_~#t3~0#1.base_4| 1) |v_#valid_16|) (not (= |v_ULTIMATE.start_main_~#t3~0#1.base_4| 0)) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_4| 0) (= (select |v_#valid_17| |v_ULTIMATE.start_main_~#t3~0#1.base_4|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_8|, #valid=|v_#valid_17|} OutVars{ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_4|, #StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_7|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_4|, #valid=|v_#valid_16|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t3~0#1.offset, #valid, ULTIMATE.start_main_~#t3~0#1.base, #length] 739084#[L83-3]don't care [274] L83-3-->L83-4: Formula: (and (= |v_ULTIMATE.start_main_~#t4~0#1.offset_4| 0) (= (select |v_#valid_19| |v_ULTIMATE.start_main_~#t4~0#1.base_4|) 0) (= (store |v_#valid_19| |v_ULTIMATE.start_main_~#t4~0#1.base_4| 1) |v_#valid_18|) (< |v_#StackHeapBarrier_5| |v_ULTIMATE.start_main_~#t4~0#1.base_4|) (not (= |v_ULTIMATE.start_main_~#t4~0#1.base_4| 0)) (= (store |v_#length_10| |v_ULTIMATE.start_main_~#t4~0#1.base_4| 4) |v_#length_9|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_10|, #valid=|v_#valid_19|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_9|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_4|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_4|, #valid=|v_#valid_18|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base] 733660#[L83-4]don't care [245] L83-4-->L85: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1] 733662#[L85]don't care [223] L85-->L85-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet9#1_3| v_~N~0_8) InVars {ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|, ~N~0=v_~N~0_8} AuxVars[] AssignedVars[~N~0] 733960#[L85-1]don't care [236] L85-1-->L88: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet9#1] 733962#[L88]don't care [259] L88-->L88-1: Formula: (= |v_ULTIMATE.start_main_#t~pre10#1_2| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre10#1] 738120#[L88-1]don't care [273] L88-1-->L88-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 591346#[L88-2]don't care [204] L88-2-->L88-3: Formula: (and (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t1~0#1.base_5| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t1~0#1.base_5|) |v_ULTIMATE.start_main_~#t1~0#1.offset_5| |v_ULTIMATE.start_main_#t~pre10#1_3|)) |v_#memory_int_3|) (= (select |v_#valid_20| |v_ULTIMATE.start_main_~#t1~0#1.base_5|) 1) (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_5| 4) (select |v_#length_11| |v_ULTIMATE.start_main_~#t1~0#1.base_5|)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_5|)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_3|, #valid=|v_#valid_20|, #memory_int=|v_#memory_int_4|, #length=|v_#length_11|, 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|} OutVars{ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_3|, #valid=|v_#valid_20|, #memory_int=|v_#memory_int_3|, #length=|v_#length_11|, 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[#memory_int] 591348#[L88-3]don't care [334] L88-3-->$Ultimate##0: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_6|) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#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|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_6|, 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} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 695772#[$Ultimate##0, L88-4]don't care [290] L88-4-->L88-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre10#1] 695774#[L88-5, $Ultimate##0]don't care [263] L88-5-->L89: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet11#1] 712718#[L89, $Ultimate##0]don't care [251] L89-->L89-1: Formula: (= |v_ULTIMATE.start_main_#t~pre12#1_2| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre12#1] 712722#[$Ultimate##0, L89-1]don't care [232] L89-1-->L89-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] 734924#[$Ultimate##0, L89-2]don't care [255] L89-2-->L89-3: Formula: (and (<= (+ 4 |v_ULTIMATE.start_main_~#t2~0#1.offset_5|) (select |v_#length_12| |v_ULTIMATE.start_main_~#t2~0#1.base_5|)) (= (select |v_#valid_21| |v_ULTIMATE.start_main_~#t2~0#1.base_5|) 1) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_5|) (= (store |v_#memory_int_6| |v_ULTIMATE.start_main_~#t2~0#1.base_5| (store (select |v_#memory_int_6| |v_ULTIMATE.start_main_~#t2~0#1.base_5|) |v_ULTIMATE.start_main_~#t2~0#1.offset_5| |v_ULTIMATE.start_main_#t~pre12#1_3|)) |v_#memory_int_5|)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_3|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_5|, #valid=|v_#valid_21|, #memory_int=|v_#memory_int_6|, #length=|v_#length_12|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_5|} OutVars{ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_3|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_5|, #valid=|v_#valid_21|, #memory_int=|v_#memory_int_5|, #length=|v_#length_12|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_5|} AuxVars[] AssignedVars[#memory_int] 742636#[$Ultimate##0, L89-3]don't care [340] L89-3-->$Ultimate##0: Formula: (and (= |v_ULTIMATE.start_main_#t~pre12#1_6| v_thread2Thread1of1ForFork2_thidvar0_2) (= 0 v_thread2Thread1of1ForFork2_thidvar2_2) (= 0 v_thread2Thread1of1ForFork2_thidvar1_2)) InVars {ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|} OutVars{thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_2, ULTIMATE.start_main_#t~pre12#1=|v_ULTIMATE.start_main_#t~pre12#1_6|, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_2, thread2Thread1of1ForFork2_#t~post4#1=|v_thread2Thread1of1ForFork2_#t~post4#1_4|, thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1_4|, thread2Thread1of1ForFork2_#res#1.offset=|v_thread2Thread1of1ForFork2_#res#1.offset_4|, thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_12|, thread2Thread1of1ForFork2_#t~post3#1=|v_thread2Thread1of1ForFork2_#t~post3#1_8|, thread2Thread1of1ForFork2_thidvar0=v_thread2Thread1of1ForFork2_thidvar0_2, thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_4|, thread2Thread1of1ForFork2_#res#1.base=|v_thread2Thread1of1ForFork2_#res#1.base_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_thidvar2, thread2Thread1of1ForFork2_thidvar1, thread2Thread1of1ForFork2_#t~post4#1, thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork2_#res#1.offset, thread2Thread1of1ForFork2_~i~1#1, thread2Thread1of1ForFork2_#t~post3#1, thread2Thread1of1ForFork2_thidvar0, thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork2_#res#1.base] 590060#[L89-4, $Ultimate##0, $Ultimate##0]don't care [302] $Ultimate##0-->L51-4: Formula: (= |v_thread2Thread1of1ForFork2_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_~i~1#1] 590066#[L89-4, $Ultimate##0, L51-4]don't care [2023-09-17 11:22:39,663 INFO L750 eck$LassoCheckResult]: Loop: 590066#[L89-4, $Ultimate##0, L51-4]don't care [303] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork2_~i~1#1_3| v_~N~0_4) InVars {thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_3|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_3|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[] 717076#[L89-4, L52, $Ultimate##0]don't care [306] L52-->L55: Formula: (and (= |v_thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1| |v_thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|) (not (= 0 |v_thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|)) (= |v_thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1| (ite (< 0 v_~counter1~0_29) 1 0)) (= (+ v_~counter1~0_28 1) v_~counter1~0_29)) InVars {~counter1~0=v_~counter1~0_29} OutVars{thread2Thread1of1ForFork2_#t~post4#1=|v_thread2Thread1of1ForFork2_#t~post4#1_1|, thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|, ~counter1~0=v_~counter1~0_28} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_#t~post4#1, thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1, ~counter1~0, thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] 708686#[L89-4, $Ultimate##0, L55]don't care [308] L55-->L51-2: Formula: (= |v_thread2Thread1of1ForFork2_~i~1#1_7| |v_thread2Thread1of1ForFork2_#t~post3#1_1|) InVars {thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_7|} OutVars{thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_7|, thread2Thread1of1ForFork2_#t~post3#1=|v_thread2Thread1of1ForFork2_#t~post3#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_#t~post3#1] 708690#[L51-2, L89-4, $Ultimate##0]don't care [310] L51-2-->L51-3: Formula: (= (+ |v_thread2Thread1of1ForFork2_#t~post3#1_3| 1) |v_thread2Thread1of1ForFork2_~i~1#1_9|) InVars {thread2Thread1of1ForFork2_#t~post3#1=|v_thread2Thread1of1ForFork2_#t~post3#1_3|} OutVars{thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_9|, thread2Thread1of1ForFork2_#t~post3#1=|v_thread2Thread1of1ForFork2_#t~post3#1_3|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_~i~1#1] 730886#[L89-4, L51-3, $Ultimate##0]don't care [311] L51-3-->L51-4: Formula: true InVars {} OutVars{thread2Thread1of1ForFork2_#t~post3#1=|v_thread2Thread1of1ForFork2_#t~post3#1_5|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_#t~post3#1] 590066#[L89-4, $Ultimate##0, L51-4]don't care [2023-09-17 11:22:39,664 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-17 11:22:39,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1195578389, now seen corresponding path program 1 times [2023-09-17 11:22:39,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-17 11:22:39,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60630282] [2023-09-17 11:22:39,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-17 11:22:39,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-17 11:22:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-17 11:22:39,733 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-17 11:22:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-17 11:22:39,764 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-17 11:22:39,765 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-17 11:22:39,765 INFO L85 PathProgramCache]: Analyzing trace with hash 317877969, now seen corresponding path program 1 times [2023-09-17 11:22:39,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-17 11:22:39,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756096256] [2023-09-17 11:22:39,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-17 11:22:39,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-17 11:22:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-17 11:22:39,773 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-17 11:22:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-17 11:22:39,786 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-17 11:22:39,786 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-17 11:22:39,786 INFO L85 PathProgramCache]: Analyzing trace with hash 31352103, now seen corresponding path program 1 times [2023-09-17 11:22:39,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-17 11:22:39,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275910625] [2023-09-17 11:22:39,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-17 11:22:39,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-17 11:22:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-17 11:22:40,006 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 11:22:40,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-17 11:22:40,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275910625] [2023-09-17 11:22:40,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275910625] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-17 11:22:40,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-17 11:22:40,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-17 11:22:40,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823623901] [2023-09-17 11:22:40,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-17 11:22:40,059 INFO L210 LassoAnalysis]: Preferences: [2023-09-17 11:22:40,059 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-09-17 11:22:40,059 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-09-17 11:22:40,059 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-09-17 11:22:40,059 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-09-17 11:22:40,059 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:40,059 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-09-17 11:22:40,059 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-09-17 11:22:40,059 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration2_Loop [2023-09-17 11:22:40,059 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-09-17 11:22:40,060 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-09-17 11:22:40,063 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 11:22:40,066 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 11:22:40,070 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 11:22:40,072 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 11:22:40,074 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 11:22:40,079 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 11:22:40,081 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 11:22:40,083 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 11:22:40,085 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 11:22:40,089 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 11:22:40,091 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 11:22:40,093 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 11:22:40,095 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 11:22:40,097 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 11:22:40,198 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-09-17 11:22:40,198 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-09-17 11:22:40,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:40,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:22:40,199 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 11:22:40,267 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 11:22:40,275 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 11:22:40,276 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 11:22:40,317 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-09-17 11:22:40,317 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_3=-1} Honda state: {v_rep#funAddr~thread1.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-09-17 11:22:40,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-09-17 11:22:40,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:40,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:22:40,369 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 11:22:40,425 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 11:22:40,425 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 11:22:40,426 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 11:22:40,453 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-09-17 11:22:40,453 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_3=-1} Honda state: {v_rep#funAddr~thread3.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-09-17 11:22:40,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-09-17 11:22:40,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:40,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:22:40,493 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 11:22:40,589 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 11:22:40,590 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 11:22:40,590 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 11:22:40,618 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-09-17 11:22:40,618 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_3=-1} Honda state: {v_rep#funAddr~thread2.base_3=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-09-17 11:22:40,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-09-17 11:22:40,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:40,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:22:40,623 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 11:22:40,674 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 11:22:40,674 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 11:22:40,674 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 11:22:40,721 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-09-17 11:22:40,721 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork2_#t~post3#1=0} Honda state: {thread2Thread1of1ForFork2_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-09-17 11:22:40,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-09-17 11:22:40,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:40,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:22:40,732 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 11:22:40,735 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 11:22:40,736 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-09-17 11:22:40,736 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 11:22:40,777 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 11:22:40,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:40,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:22:40,779 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 11:22:40,781 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 11:22:40,782 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-09-17 11:22:40,782 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-09-17 11:22:40,804 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-09-17 11:22:40,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-09-17 11:22:40,813 INFO L210 LassoAnalysis]: Preferences: [2023-09-17 11:22:40,813 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-09-17 11:22:40,813 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-09-17 11:22:40,814 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-09-17 11:22:40,814 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-09-17 11:22:40,814 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:40,814 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-09-17 11:22:40,814 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-09-17 11:22:40,814 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-counter-determinism.wvr.c_BEv2_Iteration2_Loop [2023-09-17 11:22:40,814 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-09-17 11:22:40,814 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-09-17 11:22:40,815 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 11:22:40,818 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 11:22:40,820 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 11:22:40,822 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 11:22:40,824 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 11:22:40,826 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 11:22:40,830 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 11:22:40,832 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 11:22:40,834 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 11:22:40,839 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 11:22:40,841 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 11:22:40,846 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 11:22:40,848 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 11:22:40,850 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 11:22:40,947 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-09-17 11:22:40,948 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-09-17 11:22:40,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:40,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:22:40,950 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 11:22:40,952 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 11:22:40,965 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 11:22:40,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 11:22:40,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 11:22:40,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 11:22:40,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 11:22:40,977 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-09-17 11:22:40,977 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-09-17 11:22:40,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-09-17 11:22:40,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-09-17 11:22:40,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:40,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:22:41,029 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 11:22:41,084 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 11:22:41,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 11:22:41,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 11:22:41,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 11:22:41,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 11:22:41,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-09-17 11:22:41,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-09-17 11:22:41,096 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 11:22:41,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-09-17 11:22:41,126 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 11:22:41,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:41,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:22:41,141 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 11:22:41,178 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 11:22:41,179 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 11:22:41,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 11:22:41,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 11:22:41,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 11:22:41,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 11:22:41,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-09-17 11:22:41,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-09-17 11:22:41,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-09-17 11:22:41,233 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 11:22:41,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:41,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:22:41,235 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 11:22:41,246 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 11:22:41,247 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 11:22:41,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 11:22:41,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 11:22:41,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 11:22:41,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 11:22:41,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-09-17 11:22:41,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-09-17 11:22:41,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-09-17 11:22:41,292 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 11:22:41,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:41,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:22:41,294 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 11:22:41,296 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 11:22:41,298 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 11:22:41,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 11:22:41,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-09-17 11:22:41,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 11:22:41,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 11:22:41,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 11:22:41,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-09-17 11:22:41,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-09-17 11:22:41,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-09-17 11:22:41,351 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 11:22:41,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:41,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:22:41,365 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-09-17 11:22:41,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-09-17 11:22:41,370 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 11:22:41,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-09-17 11:22:41,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-09-17 11:22:41,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-09-17 11:22:41,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-09-17 11:22:41,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-09-17 11:22:41,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-09-17 11:22:41,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-09-17 11:22:41,392 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-09-17 11:22:41,401 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-09-17 11:22:41,402 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-09-17 11:22:41,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-09-17 11:22:41,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-17 11:22:41,403 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-09-17 11:22:41,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-09-17 11:22:41,419 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-09-17 11:22:41,419 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-09-17 11:22:41,419 INFO L513 LassoAnalysis]: Proved termination. [2023-09-17 11:22:41,419 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter1~0) = 1*~counter1~0 Supporting invariants [] [2023-09-17 11:22:41,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-09-17 11:22:41,423 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-09-17 11:22:41,442 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-17 11:22:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-17 11:22:41,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-09-17 11:22:41,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-17 11:22:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-17 11:22:41,521 WARN L260 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2023-09-17 11:22:41,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-17 11:22:41,543 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 11:22:41,544 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-09-17 11:22:41,544 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 98613 states and 530947 transitions. cyclomatic complexity: 438236 Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 11:22:42,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-09-17 11:22:47,068 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 98613 states and 530947 transitions. cyclomatic complexity: 438236. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 343352 states and 1875004 transitions. Complement of second has 5 states. [2023-09-17 11:22:47,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-09-17 11:22:47,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 11:22:47,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 177 transitions. [2023-09-17 11:22:47,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 177 transitions. Stem has 30 letters. Loop has 5 letters. [2023-09-17 11:22:47,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-09-17 11:22:47,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 177 transitions. Stem has 35 letters. Loop has 5 letters. [2023-09-17 11:22:47,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-09-17 11:22:47,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 177 transitions. Stem has 30 letters. Loop has 10 letters. [2023-09-17 11:22:47,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-09-17 11:22:47,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 343352 states and 1875004 transitions. [2023-09-17 11:22:56,529 INFO L131 ngComponentsAnalysis]: Automaton has 10078 accepting balls. 86070 [2023-09-17 11:23:03,084 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 343352 states to 299072 states and 1636519 transitions. [2023-09-17 11:23:03,085 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116856 [2023-09-17 11:23:03,779 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 148038 [2023-09-17 11:23:03,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 299072 states and 1636519 transitions. [2023-09-17 11:23:03,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-09-17 11:23:03,779 INFO L218 hiAutomatonCegarLoop]: Abstraction has 299072 states and 1636519 transitions. [2023-09-17 11:23:04,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299072 states and 1636519 transitions. [2023-09-17 11:23:15,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299072 to 229149. [2023-09-17 11:23:16,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229149 states, 229149 states have (on average 5.69253629734365) internal successors, (1304439), 229148 states have internal predecessors, (1304439), 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 11:23:20,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229149 states to 229149 states and 1304439 transitions. [2023-09-17 11:23:20,537 INFO L240 hiAutomatonCegarLoop]: Abstraction has 229149 states and 1304439 transitions. [2023-09-17 11:23:20,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-17 11:23:20,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-17 11:23:20,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-17 11:23:20,541 INFO L87 Difference]: Start difference. First operand 229149 states and 1304439 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 11:23:25,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-09-17 11:23:25,509 INFO L93 Difference]: Finished difference Result 261069 states and 1436697 transitions. [2023-09-17 11:23:25,509 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 261069 states and 1436697 transitions.