/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-difference-det.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.me.fairness-a3464b2-m [2023-08-18 16:48:53,626 INFO L172 SettingsManager]: Resetting all preferences to default values... [2023-08-18 16:48:53,672 INFO L100 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2023-08-18 16:48:53,691 INFO L114 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-18 16:48:53,692 INFO L135 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-18 16:48:53,692 INFO L137 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-18 16:48:53,693 INFO L135 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-18 16:48:53,694 INFO L137 SettingsManager]: * Create parallel compositions if possible=false [2023-08-18 16:48:53,694 INFO L137 SettingsManager]: * Use SBE=true [2023-08-18 16:48:53,694 INFO L135 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-08-18 16:48:53,695 INFO L137 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-08-18 16:48:53,695 INFO L137 SettingsManager]: * Use old map elimination=false [2023-08-18 16:48:53,695 INFO L137 SettingsManager]: * Use external solver (rank synthesis)=false [2023-08-18 16:48:53,695 INFO L137 SettingsManager]: * Use only trivial implications for array writes=true [2023-08-18 16:48:53,696 INFO L137 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-08-18 16:48:53,696 INFO L135 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-18 16:48:53,696 INFO L137 SettingsManager]: * sizeof long=4 [2023-08-18 16:48:53,697 INFO L137 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-18 16:48:53,697 INFO L137 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-18 16:48:53,697 INFO L137 SettingsManager]: * sizeof POINTER=4 [2023-08-18 16:48:53,697 INFO L137 SettingsManager]: * Check division by zero=IGNORE [2023-08-18 16:48:53,704 INFO L137 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-08-18 16:48:53,704 INFO L137 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-08-18 16:48:53,704 INFO L137 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-08-18 16:48:53,704 INFO L137 SettingsManager]: * sizeof long double=12 [2023-08-18 16:48:53,705 INFO L137 SettingsManager]: * Check if freed pointer was valid=false [2023-08-18 16:48:53,705 INFO L137 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-08-18 16:48:53,705 INFO L137 SettingsManager]: * Use constant arrays=true [2023-08-18 16:48:53,705 INFO L137 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-08-18 16:48:53,705 INFO L135 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-18 16:48:53,706 INFO L137 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-18 16:48:53,706 INFO L135 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-18 16:48:53,706 INFO L137 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-18 16:48:53,706 INFO L137 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-08-18 16:48:53,707 INFO L135 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-08-18 16:48:53,707 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Fairness type for concurrent programs -> NONE [2023-08-18 16:48:53,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-18 16:48:53,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-18 16:48:53,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-18 16:48:53,922 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-18 16:48:53,922 INFO L274 PluginConnector]: CDTParser initialized [2023-08-18 16:48:53,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2023-08-18 16:48:55,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-18 16:48:55,345 INFO L384 CDTParser]: Found 1 translation units. [2023-08-18 16:48:55,346 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2023-08-18 16:48:55,352 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01c7a3ce2/87d3298655f44db19998b6ffabe352f4/FLAGfa081ea39 [2023-08-18 16:48:55,363 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01c7a3ce2/87d3298655f44db19998b6ffabe352f4 [2023-08-18 16:48:55,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-18 16:48:55,367 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-18 16:48:55,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-18 16:48:55,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-18 16:48:55,377 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-18 16:48:55,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:48:55" (1/1) ... [2023-08-18 16:48:55,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b946c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:55, skipping insertion in model container [2023-08-18 16:48:55,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:48:55" (1/1) ... [2023-08-18 16:48:55,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-18 16:48:55,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-18 16:48:55,590 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-difference-det.wvr.c[2507,2520] [2023-08-18 16:48:55,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-18 16:48:55,607 INFO L203 MainTranslator]: Completed pre-run [2023-08-18 16:48:55,625 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-difference-det.wvr.c[2507,2520] [2023-08-18 16:48:55,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-18 16:48:55,632 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-18 16:48:55,633 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-18 16:48:55,639 INFO L208 MainTranslator]: Completed translation [2023-08-18 16:48:55,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:55 WrapperNode [2023-08-18 16:48:55,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-18 16:48:55,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-18 16:48:55,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-18 16:48:55,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-18 16:48:55,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:55" (1/1) ... [2023-08-18 16:48:55,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:55" (1/1) ... [2023-08-18 16:48:55,673 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 120 [2023-08-18 16:48:55,673 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-18 16:48:55,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-18 16:48:55,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-18 16:48:55,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-18 16:48:55,681 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:55" (1/1) ... [2023-08-18 16:48:55,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:55" (1/1) ... [2023-08-18 16:48:55,684 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:55" (1/1) ... [2023-08-18 16:48:55,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:55" (1/1) ... [2023-08-18 16:48:55,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:55" (1/1) ... [2023-08-18 16:48:55,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:55" (1/1) ... [2023-08-18 16:48:55,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:55" (1/1) ... [2023-08-18 16:48:55,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:55" (1/1) ... [2023-08-18 16:48:55,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-18 16:48:55,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-18 16:48:55,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-18 16:48:55,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-18 16:48:55,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:55" (1/1) ... [2023-08-18 16:48:55,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:48:55,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:48:55,734 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) [2023-08-18 16:48:55,735 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 [2023-08-18 16:48:55,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-18 16:48:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-18 16:48:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-18 16:48:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-18 16:48:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-18 16:48:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-18 16:48:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-18 16:48:55,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-18 16:48:55,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-18 16:48:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-18 16:48:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-18 16:48:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-18 16:48:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-18 16:48:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-18 16:48:55,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-18 16:48:55,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-18 16:48:55,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-18 16:48:55,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-18 16:48:55,763 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-18 16:48:55,840 INFO L236 CfgBuilder]: Building ICFG [2023-08-18 16:48:55,842 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-18 16:48:56,038 INFO L277 CfgBuilder]: Performing block encoding [2023-08-18 16:48:56,090 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-18 16:48:56,090 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-18 16:48:56,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:48:56 BoogieIcfgContainer [2023-08-18 16:48:56,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-18 16:48:56,094 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-08-18 16:48:56,094 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-08-18 16:48:56,097 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-08-18 16:48:56,098 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-08-18 16:48:56,098 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.08 04:48:55" (1/3) ... [2023-08-18 16:48:56,099 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1be46eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.08 04:48:56, skipping insertion in model container [2023-08-18 16:48:56,102 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-08-18 16:48:56,102 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:48:55" (2/3) ... [2023-08-18 16:48:56,104 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1be46eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.08 04:48:56, skipping insertion in model container [2023-08-18 16:48:56,105 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-08-18 16:48:56,105 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:48:56" (3/3) ... [2023-08-18 16:48:56,106 INFO L332 chiAutomizerObserver]: Analyzing ICFG popl20-difference-det.wvr.c [2023-08-18 16:48:56,190 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-18 16:48:56,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 125 places, 125 transitions, 282 flow [2023-08-18 16:48:56,277 INFO L124 PetriNetUnfolderBase]: 9/117 cut-off events. [2023-08-18 16:48:56,277 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-18 16:48:56,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 117 events. 9/117 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 91 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 80. Up to 2 conditions per place. [2023-08-18 16:48:56,284 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 125 transitions, 282 flow [2023-08-18 16:48:56,291 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 117 transitions, 258 flow [2023-08-18 16:48:56,303 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-08-18 16:48:56,303 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-08-18 16:48:56,303 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-08-18 16:48:56,303 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-08-18 16:48:56,303 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-08-18 16:48:56,304 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-08-18 16:48:56,304 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-08-18 16:48:56,304 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-08-18 16:48:56,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2023-08-18 16:48:59,348 INFO L131 ngComponentsAnalysis]: Automaton has 2115 accepting balls. 31835 [2023-08-18 16:48:59,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-08-18 16:48:59,349 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-08-18 16:48:59,357 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] [2023-08-18 16:48:59,357 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-08-18 16:48:59,357 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-08-18 16:48:59,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 33660 states, but on-demand construction may add more states [2023-08-18 16:49:00,495 INFO L131 ngComponentsAnalysis]: Automaton has 2115 accepting balls. 31835 [2023-08-18 16:49:00,495 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-08-18 16:49:00,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-08-18 16:49:00,497 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] [2023-08-18 16:49:00,497 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-08-18 16:49:00,506 INFO L748 eck$LassoCheckResult]: Stem: 128#[$Ultimate##0]don't care [233] $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] 131#[L-1]don't care [244] L-1-->L-1-1: Formula: (= (select |v_#valid_17| 0) 0) InVars {#valid=|v_#valid_17|} OutVars{#valid=|v_#valid_17|} AuxVars[] AssignedVars[] 133#[L-1-1]don't care [315] L-1-1-->L21: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] 135#[L21]don't care [285] L21-->L21-1: Formula: (and (= (select |v_#length_9| 1) 2) (= 1 (select |v_#valid_18| 1))) InVars {#length=|v_#length_9|, #valid=|v_#valid_18|} OutVars{#length=|v_#length_9|, #valid=|v_#valid_18|} AuxVars[] AssignedVars[] 137#[L21-1]don't care [304] L21-1-->L21-2: Formula: (= 48 (select (select |v_#memory_int_13| 1) 0)) InVars {#memory_int=|v_#memory_int_13|} OutVars{#memory_int=|v_#memory_int_13|} AuxVars[] AssignedVars[] 139#[L21-2]don't care [247] L21-2-->L21-3: Formula: (= (select (select |v_#memory_int_14| 1) 1) 0) InVars {#memory_int=|v_#memory_int_14|} OutVars{#memory_int=|v_#memory_int_14|} AuxVars[] AssignedVars[] 141#[L21-3]don't care [280] L21-3-->L21-4: Formula: (and (= (select |v_#valid_19| 2) 1) (= (select |v_#length_10| 2) 28)) InVars {#length=|v_#length_10|, #valid=|v_#valid_19|} OutVars{#length=|v_#length_10|, #valid=|v_#valid_19|} AuxVars[] AssignedVars[] 143#[L21-4]don't care [263] L21-4-->L38: Formula: (= v_~M~0_5 0) InVars {} OutVars{~M~0=v_~M~0_5} AuxVars[] AssignedVars[~M~0] 145#[L38]don't care [264] L38-->L38-1: Formula: (= v_~N~0_5 0) InVars {} OutVars{~N~0=v_~N~0_5} AuxVars[] AssignedVars[~N~0] 147#[L38-1]don't care [281] L38-1-->L38-2: Formula: (= v_~counter1~0_7 0) InVars {} OutVars{~counter1~0=v_~counter1~0_7} AuxVars[] AssignedVars[~counter1~0] 149#[L38-2]don't care [314] L38-2-->L-1-2: Formula: (= v_~counter2~0_7 0) InVars {} OutVars{~counter2~0=v_~counter2~0_7} AuxVars[] AssignedVars[~counter2~0] 151#[L-1-2]don't care [317] 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] 153#[L-1-3]don't care [319] L-1-3-->L83: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_4|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_1|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_4|, 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_5|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_5|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_5|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_4|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_2|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_5|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_2|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_4|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_3|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_5|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_2|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_3|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_3|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_2|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_5|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_5|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_3|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_~#t2~0#1.base] 155#[L83]don't care [225] L83-->L83-1: Formula: (and (= |v_ULTIMATE.start_main_~#t1~0#1.offset_6| 0) (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_6| 0)) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t1~0#1.base_6|) (= (store |v_#valid_21| |v_ULTIMATE.start_main_~#t1~0#1.base_6| 1) |v_#valid_20|) (= (store |v_#length_12| |v_ULTIMATE.start_main_~#t1~0#1.base_6| 4) |v_#length_11|) (= (select |v_#valid_21| |v_ULTIMATE.start_main_~#t1~0#1.base_6|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_12|, #valid=|v_#valid_21|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_11|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_6|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_6|, #valid=|v_#valid_20|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 157#[L83-1]don't care [266] L83-1-->L83-2: Formula: (and (= (select |v_#valid_23| |v_ULTIMATE.start_main_~#t2~0#1.base_6|) 0) (= (store |v_#valid_23| |v_ULTIMATE.start_main_~#t2~0#1.base_6| 1) |v_#valid_22|) (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_6| 0)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t2~0#1.base_6| 4)) (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#t2~0#1.base_6|) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_6|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_14|, #valid=|v_#valid_23|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_6|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_6|, #valid=|v_#valid_22|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 159#[L83-2]don't care [299] L83-2-->L83-3: Formula: (and (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t3~0#1.base_6| 4) |v_#length_15|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_6| 0) (= (select |v_#valid_25| |v_ULTIMATE.start_main_~#t3~0#1.base_6|) 0) (= (store |v_#valid_25| |v_ULTIMATE.start_main_~#t3~0#1.base_6| 1) |v_#valid_24|) (< |v_#StackHeapBarrier_4| |v_ULTIMATE.start_main_~#t3~0#1.base_6|) (not (= |v_ULTIMATE.start_main_~#t3~0#1.base_6| 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_16|, #valid=|v_#valid_25|} OutVars{ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_15|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_6|, #valid=|v_#valid_24|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t3~0#1.offset, #valid, ULTIMATE.start_main_~#t3~0#1.base, #length] 161#[L83-3]don't care [303] L83-3-->L83-4: Formula: (and (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t4~0#1.base_6| 4) |v_#length_17|) (= (select |v_#valid_27| |v_ULTIMATE.start_main_~#t4~0#1.base_6|) 0) (< |v_#StackHeapBarrier_5| |v_ULTIMATE.start_main_~#t4~0#1.base_6|) (= |v_ULTIMATE.start_main_~#t4~0#1.offset_6| 0) (not (= |v_ULTIMATE.start_main_~#t4~0#1.base_6| 0)) (= (store |v_#valid_27| |v_ULTIMATE.start_main_~#t4~0#1.base_6| 1) |v_#valid_26|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_18|, #valid=|v_#valid_27|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_17|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_6|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_6|, #valid=|v_#valid_26|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base] 163#[L83-4]don't care [265] 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] 165#[L85]don't care [241] L85-->L85-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet9#1_3| v_~M~0_6) InVars {ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|} OutVars{~M~0=v_~M~0_6, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|} AuxVars[] AssignedVars[~M~0] 167#[L85-1]don't care [255] L85-1-->L86: 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] 169#[L86]don't care [207] L86-->L86-1: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] 171#[L86-1]don't care [274] L86-1-->L86-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet10#1_3| v_~N~0_6) InVars {ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_3|} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_3|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[~N~0] 173#[L86-2]don't care [323] L86-2-->L89: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] 175#[L89]don't care [271] L89-->L89-1: Formula: (= |v_ULTIMATE.start_main_#t~pre11#1_1| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_1|, #pthreadsForks=|v_#pthreadsForks_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 177#[L89-1]don't care [251] L89-1-->L89-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 179#[L89-2]don't care [278] L89-2-->L89-3: Formula: (and (= (store |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| (store (select |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) |v_ULTIMATE.start_main_~#t1~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre11#1_2|)) |v_#memory_int_1|) (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_1| 4) (select |v_#length_1| |v_ULTIMATE.start_main_~#t1~0#1.base_1|)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_1|) (= (select |v_#valid_1| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) 1)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_2|, #length=|v_#length_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #length=|v_#length_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} AuxVars[] AssignedVars[#memory_int] 181#[L89-3]don't care [366] L89-3-->$Ultimate##0: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_4|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_12, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 183#[L89-4, $Ultimate##0]don't care [324] $Ultimate##0-->L41-4: Formula: (= v_thread1Thread1of1ForFork0_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_~i~0] 185#[L89-4, L41-4]don't care [2023-08-18 16:49:00,509 INFO L750 eck$LassoCheckResult]: Loop: 185#[L89-4, L41-4]don't care [325] L41-4-->L42: Formula: (< v_thread1Thread1of1ForFork0_~i~0_3 v_~M~0_2) InVars {~M~0=v_~M~0_2, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3} OutVars{~M~0=v_~M~0_2, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3} AuxVars[] AssignedVars[] 189#[L42, L89-4]don't care [328] 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] 197#[L44, L89-4]don't care [330] 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] 209#[L41-2, L89-4]don't care [332] 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] 225#[L89-4, L41-3]don't care [333] L41-3-->L41-4: Formula: true InVars {} OutVars{thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_5|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post1] 185#[L89-4, L41-4]don't care [2023-08-18 16:49:00,513 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:00,513 INFO L85 PathProgramCache]: Analyzing trace with hash -71034653, now seen corresponding path program 1 times [2023-08-18 16:49:00,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:00,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280362247] [2023-08-18 16:49:00,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:00,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:00,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:00,695 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:00,697 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:00,698 INFO L85 PathProgramCache]: Analyzing trace with hash 338872679, now seen corresponding path program 1 times [2023-08-18 16:49:00,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:00,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657068987] [2023-08-18 16:49:00,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:00,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:00,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:00,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:00,715 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:00,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1222962629, now seen corresponding path program 1 times [2023-08-18 16:49:00,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:00,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073590435] [2023-08-18 16:49:00,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:00,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:00,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:00,798 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:00,852 INFO L210 LassoAnalysis]: Preferences: [2023-08-18 16:49:00,853 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-08-18 16:49:00,853 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-08-18 16:49:00,853 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-08-18 16:49:00,853 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-08-18 16:49:00,853 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:00,853 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-08-18 16:49:00,853 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-08-18 16:49:00,853 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration1_Loop [2023-08-18 16:49:00,853 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-08-18 16:49:00,854 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-08-18 16:49:00,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,886 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,896 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,909 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:00,932 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:01,039 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-08-18 16:49:01,040 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-08-18 16:49:01,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,049 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) [2023-08-18 16:49:01,052 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 [2023-08-18 16:49:01,052 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:01,053 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:01,068 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:01,068 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: [] [2023-08-18 16:49:01,077 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 [2023-08-18 16:49:01,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,079 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) [2023-08-18 16:49:01,088 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:01,088 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:01,098 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 [2023-08-18 16:49:01,106 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:01,106 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread1Thread1of1ForFork0_#t~post1=0} Honda state: {thread1Thread1of1ForFork0_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:01,126 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 [2023-08-18 16:49:01,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,128 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) [2023-08-18 16:49:01,129 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 [2023-08-18 16:49:01,132 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:01,132 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:01,153 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:01,154 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_1=-1} Honda state: {v_rep#funAddr~thread1.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:01,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-08-18 16:49:01,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,162 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) [2023-08-18 16:49:01,172 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:01,172 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:01,186 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 [2023-08-18 16:49:01,193 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:01,194 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_1=0} Honda state: {v_rep#funAddr~thread1.offset_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:01,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:01,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,202 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) [2023-08-18 16:49:01,211 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 [2023-08-18 16:49:01,212 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:01,212 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:01,235 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:01,235 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_1=-1} Honda state: {v_rep#funAddr~thread3.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:01,241 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 [2023-08-18 16:49:01,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,243 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) [2023-08-18 16:49:01,247 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 [2023-08-18 16:49:01,249 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:01,249 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:01,273 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:01,273 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_1=-1} Honda state: {v_rep#funAddr~thread2.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:01,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:01,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,282 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) [2023-08-18 16:49:01,292 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:01,292 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:01,295 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 [2023-08-18 16:49:01,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:01,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,306 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) [2023-08-18 16:49:01,310 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 [2023-08-18 16:49:01,311 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-08-18 16:49:01,311 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:01,336 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:01,337 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~counter1~0=0} Honda state: {~counter1~0=0} Generalized eigenvectors: [{~counter1~0=2}, {~counter1~0=2}, {~counter1~0=-3}] Lambdas: [0, 1, 1] Nus: [1, 0] [2023-08-18 16:49:01,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:01,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,346 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) [2023-08-18 16:49:01,356 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:01,357 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:01,371 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 [2023-08-18 16:49:01,381 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:01,381 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_1=-1} Honda state: {v_rep#funAddr~thread4.base_1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:01,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:01,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,390 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) [2023-08-18 16:49:01,399 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:01,399 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:01,399 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 [2023-08-18 16:49:01,421 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:01,421 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_1=1} Honda state: {v_rep#funAddr~thread2.offset_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:01,428 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 [2023-08-18 16:49:01,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,429 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) [2023-08-18 16:49:01,438 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:01,438 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:01,448 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 [2023-08-18 16:49:01,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:01,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,467 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) [2023-08-18 16:49:01,473 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 [2023-08-18 16:49:01,473 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-08-18 16:49:01,473 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:01,582 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-08-18 16:49:01,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:01,585 INFO L210 LassoAnalysis]: Preferences: [2023-08-18 16:49:01,585 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-08-18 16:49:01,585 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-08-18 16:49:01,586 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-08-18 16:49:01,586 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-08-18 16:49:01,586 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,586 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-08-18 16:49:01,586 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-08-18 16:49:01,586 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration1_Loop [2023-08-18 16:49:01,586 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-08-18 16:49:01,586 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-08-18 16:49:01,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:01,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:01,603 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:01,605 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:01,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:01,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:01,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:01,616 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:01,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:01,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:01,623 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:01,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:01,725 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-08-18 16:49:01,729 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-08-18 16:49:01,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,731 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) [2023-08-18 16:49:01,734 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 [2023-08-18 16:49:01,799 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 [2023-08-18 16:49:01,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:01,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:01,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:01,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:01,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:01,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:01,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:01,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:01,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,835 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) [2023-08-18 16:49:01,841 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 [2023-08-18 16:49:01,841 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 [2023-08-18 16:49:01,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:01,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:01,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:01,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:01,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:01,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:01,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:01,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:01,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-08-18 16:49:01,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,856 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) [2023-08-18 16:49:01,857 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 [2023-08-18 16:49:01,859 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 [2023-08-18 16:49:01,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:01,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:01,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:01,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:01,869 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:01,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:01,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:01,892 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 [2023-08-18 16:49:01,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,894 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) [2023-08-18 16:49:01,897 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 [2023-08-18 16:49:01,898 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 [2023-08-18 16:49:01,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:01,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:01,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:01,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:01,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:01,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:01,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:01,929 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 [2023-08-18 16:49:01,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,930 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) [2023-08-18 16:49:01,933 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 [2023-08-18 16:49:01,934 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 [2023-08-18 16:49:01,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:01,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:01,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:01,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:01,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:01,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:01,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:01,968 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 [2023-08-18 16:49:01,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:01,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:01,970 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) [2023-08-18 16:49:01,979 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 [2023-08-18 16:49:01,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:01,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:01,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:01,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:01,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:01,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:01,999 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 [2023-08-18 16:49:02,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:02,023 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 [2023-08-18 16:49:02,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,024 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-08-18 16:49:02,033 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 [2023-08-18 16:49:02,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:02,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:02,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:02,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:02,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:02,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:02,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:02,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-08-18 16:49:02,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:02,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:02,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,070 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-08-18 16:49:02,079 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 [2023-08-18 16:49:02,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:02,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:02,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:02,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:02,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:02,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:02,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-08-18 16:49:02,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:02,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:02,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,122 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-08-18 16:49:02,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-08-18 16:49:02,127 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 [2023-08-18 16:49:02,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:02,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:02,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:02,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:02,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:02,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:02,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:02,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-08-18 16:49:02,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,165 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-08-18 16:49:02,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-08-18 16:49:02,169 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 [2023-08-18 16:49:02,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:02,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:02,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:02,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:02,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:02,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:02,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:02,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:02,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:02,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,182 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-08-18 16:49:02,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-08-18 16:49:02,185 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 [2023-08-18 16:49:02,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:02,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:02,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:02,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:02,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:02,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:02,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:02,221 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-08-18 16:49:02,226 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-08-18 16:49:02,226 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-08-18 16:49:02,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:02,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:02,283 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-08-18 16:49:02,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-08-18 16:49:02,286 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-08-18 16:49:02,286 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-08-18 16:49:02,286 INFO L513 LassoAnalysis]: Proved termination. [2023-08-18 16:49:02,286 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~M~0, thread1Thread1of1ForFork0_~i~0) = 1*~M~0 - 1*thread1Thread1of1ForFork0_~i~0 Supporting invariants [] [2023-08-18 16:49:02,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:02,295 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-08-18 16:49:02,321 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:02,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-08-18 16:49:02,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:02,420 WARN L260 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2023-08-18 16:49:02,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:02,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-18 16:49:02,511 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 [2023-08-18 16:49:02,513 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand currently 33660 states, but on-demand construction may add more states Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2023-08-18 16:49:03,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:04,912 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand currently 33660 states, but on-demand construction may add more states. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 112451 states and 578054 transitions. Complement of second has 9 states. [2023-08-18 16:49:04,916 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 [2023-08-18 16:49:04,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2023-08-18 16:49:04,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 404 transitions. [2023-08-18 16:49:04,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 404 transitions. Stem has 28 letters. Loop has 5 letters. [2023-08-18 16:49:04,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:04,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 404 transitions. Stem has 33 letters. Loop has 5 letters. [2023-08-18 16:49:04,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:04,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 404 transitions. Stem has 28 letters. Loop has 10 letters. [2023-08-18 16:49:04,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:04,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 112451 states and 578054 transitions. [2023-08-18 16:49:07,685 INFO L131 ngComponentsAnalysis]: Automaton has 2949 accepting balls. 29925 [2023-08-18 16:49:09,230 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 112451 states to 69442 states and 352510 transitions. [2023-08-18 16:49:09,231 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35904 [2023-08-18 16:49:09,700 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49319 [2023-08-18 16:49:09,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69442 states and 352510 transitions. [2023-08-18 16:49:09,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-08-18 16:49:09,702 INFO L218 hiAutomatonCegarLoop]: Abstraction has 69442 states and 352510 transitions. [2023-08-18 16:49:09,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69442 states and 352510 transitions. [2023-08-18 16:49:12,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69442 to 56029. [2023-08-18 16:49:12,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56029 states, 56029 states have (on average 5.128397793999536) internal successors, (287339), 56028 states have internal predecessors, (287339), 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) [2023-08-18 16:49:13,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56029 states to 56029 states and 287339 transitions. [2023-08-18 16:49:13,558 INFO L240 hiAutomatonCegarLoop]: Abstraction has 56029 states and 287339 transitions. [2023-08-18 16:49:13,558 INFO L428 stractBuchiCegarLoop]: Abstraction has 56029 states and 287339 transitions. [2023-08-18 16:49:13,558 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-08-18 16:49:13,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56029 states and 287339 transitions. [2023-08-18 16:49:14,407 INFO L131 ngComponentsAnalysis]: Automaton has 2949 accepting balls. 29925 [2023-08-18 16:49:14,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-08-18 16:49:14,408 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-08-18 16:49:14,409 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-18 16:49:14,409 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-08-18 16:49:14,411 INFO L748 eck$LassoCheckResult]: Stem: 233268#[$Ultimate##0]don't care [233] $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] 233270#[L-1]don't care [244] L-1-->L-1-1: Formula: (= (select |v_#valid_17| 0) 0) InVars {#valid=|v_#valid_17|} OutVars{#valid=|v_#valid_17|} AuxVars[] AssignedVars[] 187880#[L-1-1]don't care [315] L-1-1-->L21: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] 187882#[L21]don't care [285] L21-->L21-1: Formula: (and (= (select |v_#length_9| 1) 2) (= 1 (select |v_#valid_18| 1))) InVars {#length=|v_#length_9|, #valid=|v_#valid_18|} OutVars{#length=|v_#length_9|, #valid=|v_#valid_18|} AuxVars[] AssignedVars[] 208026#[L21-1]don't care [304] L21-1-->L21-2: Formula: (= 48 (select (select |v_#memory_int_13| 1) 0)) InVars {#memory_int=|v_#memory_int_13|} OutVars{#memory_int=|v_#memory_int_13|} AuxVars[] AssignedVars[] 286238#[L21-2]don't care [247] L21-2-->L21-3: Formula: (= (select (select |v_#memory_int_14| 1) 1) 0) InVars {#memory_int=|v_#memory_int_14|} OutVars{#memory_int=|v_#memory_int_14|} AuxVars[] AssignedVars[] 253912#[L21-3]don't care [280] L21-3-->L21-4: Formula: (and (= (select |v_#valid_19| 2) 1) (= (select |v_#length_10| 2) 28)) InVars {#length=|v_#length_10|, #valid=|v_#valid_19|} OutVars{#length=|v_#length_10|, #valid=|v_#valid_19|} AuxVars[] AssignedVars[] 253914#[L21-4]don't care [263] L21-4-->L38: Formula: (= v_~M~0_5 0) InVars {} OutVars{~M~0=v_~M~0_5} AuxVars[] AssignedVars[~M~0] 282936#[L38]don't care [264] L38-->L38-1: Formula: (= v_~N~0_5 0) InVars {} OutVars{~N~0=v_~N~0_5} AuxVars[] AssignedVars[~N~0] 282938#[L38-1]don't care [281] L38-1-->L38-2: Formula: (= v_~counter1~0_7 0) InVars {} OutVars{~counter1~0=v_~counter1~0_7} AuxVars[] AssignedVars[~counter1~0] 286006#[L38-2]don't care [314] L38-2-->L-1-2: Formula: (= v_~counter2~0_7 0) InVars {} OutVars{~counter2~0=v_~counter2~0_7} AuxVars[] AssignedVars[~counter2~0] 221324#[L-1-2]don't care [317] 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] 221326#[L-1-3]don't care [319] L-1-3-->L83: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_4|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_1|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_4|, 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_5|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_5|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_5|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_4|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_2|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_5|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_2|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_4|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_3|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_5|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_2|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_3|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_3|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_2|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_5|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_5|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_3|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_~#t2~0#1.base] 252824#[L83]don't care [225] L83-->L83-1: Formula: (and (= |v_ULTIMATE.start_main_~#t1~0#1.offset_6| 0) (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_6| 0)) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t1~0#1.base_6|) (= (store |v_#valid_21| |v_ULTIMATE.start_main_~#t1~0#1.base_6| 1) |v_#valid_20|) (= (store |v_#length_12| |v_ULTIMATE.start_main_~#t1~0#1.base_6| 4) |v_#length_11|) (= (select |v_#valid_21| |v_ULTIMATE.start_main_~#t1~0#1.base_6|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_12|, #valid=|v_#valid_21|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_11|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_6|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_6|, #valid=|v_#valid_20|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 252826#[L83-1]don't care [266] L83-1-->L83-2: Formula: (and (= (select |v_#valid_23| |v_ULTIMATE.start_main_~#t2~0#1.base_6|) 0) (= (store |v_#valid_23| |v_ULTIMATE.start_main_~#t2~0#1.base_6| 1) |v_#valid_22|) (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_6| 0)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t2~0#1.base_6| 4)) (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#t2~0#1.base_6|) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_6|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_14|, #valid=|v_#valid_23|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_6|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_6|, #valid=|v_#valid_22|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 283670#[L83-2]don't care [299] L83-2-->L83-3: Formula: (and (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t3~0#1.base_6| 4) |v_#length_15|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_6| 0) (= (select |v_#valid_25| |v_ULTIMATE.start_main_~#t3~0#1.base_6|) 0) (= (store |v_#valid_25| |v_ULTIMATE.start_main_~#t3~0#1.base_6| 1) |v_#valid_24|) (< |v_#StackHeapBarrier_4| |v_ULTIMATE.start_main_~#t3~0#1.base_6|) (not (= |v_ULTIMATE.start_main_~#t3~0#1.base_6| 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_16|, #valid=|v_#valid_25|} OutVars{ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_15|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_6|, #valid=|v_#valid_24|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t3~0#1.offset, #valid, ULTIMATE.start_main_~#t3~0#1.base, #length] 283672#[L83-3]don't care [303] L83-3-->L83-4: Formula: (and (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t4~0#1.base_6| 4) |v_#length_17|) (= (select |v_#valid_27| |v_ULTIMATE.start_main_~#t4~0#1.base_6|) 0) (< |v_#StackHeapBarrier_5| |v_ULTIMATE.start_main_~#t4~0#1.base_6|) (= |v_ULTIMATE.start_main_~#t4~0#1.offset_6| 0) (not (= |v_ULTIMATE.start_main_~#t4~0#1.base_6| 0)) (= (store |v_#valid_27| |v_ULTIMATE.start_main_~#t4~0#1.base_6| 1) |v_#valid_26|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_18|, #valid=|v_#valid_27|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_17|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_6|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_6|, #valid=|v_#valid_26|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base] 258086#[L83-4]don't care [265] 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] 258088#[L85]don't care [241] L85-->L85-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet9#1_3| v_~M~0_6) InVars {ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|} OutVars{~M~0=v_~M~0_6, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|} AuxVars[] AssignedVars[~M~0] 260010#[L85-1]don't care [255] L85-1-->L86: 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] 260012#[L86]don't care [207] L86-->L86-1: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] 287790#[L86-1]don't care [274] L86-1-->L86-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet10#1_3| v_~N~0_6) InVars {ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_3|} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_3|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[~N~0] 286966#[L86-2]don't care [323] L86-2-->L89: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] 270330#[L89]don't care [271] L89-->L89-1: Formula: (= |v_ULTIMATE.start_main_#t~pre11#1_1| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_1|, #pthreadsForks=|v_#pthreadsForks_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 270332#[L89-1]don't care [251] L89-1-->L89-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 287076#[L89-2]don't care [278] L89-2-->L89-3: Formula: (and (= (store |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| (store (select |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) |v_ULTIMATE.start_main_~#t1~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre11#1_2|)) |v_#memory_int_1|) (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_1| 4) (select |v_#length_1| |v_ULTIMATE.start_main_~#t1~0#1.base_1|)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_1|) (= (select |v_#valid_1| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) 1)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_2|, #length=|v_#length_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #length=|v_#length_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} AuxVars[] AssignedVars[#memory_int] 275760#[L89-3]don't care [366] L89-3-->$Ultimate##0: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_4|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_12, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 231084#[L89-4, $Ultimate##0]don't care [300] L89-4-->L89-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 231088#[L89-5, $Ultimate##0]don't care [313] L89-5-->L90: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet12#1] 278920#[L90, $Ultimate##0]don't care [312] L90-->L90-1: Formula: (= |v_ULTIMATE.start_main_#t~pre13#1_1| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1] 219504#[L90-1, $Ultimate##0]don't care [226] L90-1-->L90-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] 219506#[$Ultimate##0, L90-2]don't care [234] L90-2-->L90-3: Formula: (and (= (select |v_#valid_2| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) 1) (<= (+ 4 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|) (select |v_#length_2| |v_ULTIMATE.start_main_~#t2~0#1.base_1|)) (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) |v_ULTIMATE.start_main_~#t2~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre13#1_2|)) |v_#memory_int_3|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, #valid=|v_#valid_2|, #memory_int=|v_#memory_int_4|, #length=|v_#length_2|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, #valid=|v_#valid_2|, #memory_int=|v_#memory_int_3|, #length=|v_#length_2|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} AuxVars[] AssignedVars[#memory_int] 285382#[L90-3, $Ultimate##0]don't care [372] L90-3-->$Ultimate##0: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_2) (= 0 v_thread2Thread1of1ForFork2_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre13#1_6| v_thread2Thread1of1ForFork2_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_2, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_2, thread2Thread1of1ForFork2_#t~post4#1=|v_thread2Thread1of1ForFork2_#t~post4#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, 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] 195590#[$Ultimate##0, $Ultimate##0, L90-4]don't care [334] $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] 195594#[L51-4, $Ultimate##0, L90-4]don't care [2023-08-18 16:49:14,411 INFO L750 eck$LassoCheckResult]: Loop: 195594#[L51-4, $Ultimate##0, L90-4]don't care [335] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork2_~i~1#1_3| v_~N~0_2) InVars {thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_3|, ~N~0=v_~N~0_2} OutVars{thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_3|, ~N~0=v_~N~0_2} AuxVars[] AssignedVars[] 205594#[$Ultimate##0, L52, L90-4]don't care [338] 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] 272248#[L55, $Ultimate##0, L90-4]don't care [340] 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] 254900#[L51-2, $Ultimate##0, L90-4]don't care [342] 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] 206082#[L51-3, $Ultimate##0, L90-4]don't care [343] L51-3-->L51-4: Formula: true InVars {} OutVars{thread2Thread1of1ForFork2_#t~post3#1=|v_thread2Thread1of1ForFork2_#t~post3#1_5|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_#t~post3#1] 195594#[L51-4, $Ultimate##0, L90-4]don't care [2023-08-18 16:49:14,411 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:14,411 INFO L85 PathProgramCache]: Analyzing trace with hash -929633076, now seen corresponding path program 1 times [2023-08-18 16:49:14,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:14,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643245940] [2023-08-18 16:49:14,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:14,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:14,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:14,451 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:14,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:14,485 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:14,485 INFO L85 PathProgramCache]: Analyzing trace with hash 348415729, now seen corresponding path program 1 times [2023-08-18 16:49:14,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:14,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208710620] [2023-08-18 16:49:14,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:14,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:14,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:14,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:14,496 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:14,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1275642118, now seen corresponding path program 1 times [2023-08-18 16:49:14,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:14,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566663434] [2023-08-18 16:49:14,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:14,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:14,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-18 16:49:14,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-18 16:49:14,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566663434] [2023-08-18 16:49:14,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566663434] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-18 16:49:14,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-18 16:49:14,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-18 16:49:14,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764601597] [2023-08-18 16:49:14,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-18 16:49:14,793 INFO L210 LassoAnalysis]: Preferences: [2023-08-18 16:49:14,794 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-08-18 16:49:14,794 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-08-18 16:49:14,794 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-08-18 16:49:14,794 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-08-18 16:49:14,794 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:14,794 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-08-18 16:49:14,794 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-08-18 16:49:14,794 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration2_Loop [2023-08-18 16:49:14,794 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-08-18 16:49:14,794 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-08-18 16:49:14,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:14,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:14,804 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:14,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:14,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:14,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:14,816 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:14,818 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:14,821 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:14,824 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:14,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:14,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:14,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:14,835 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:14,955 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-08-18 16:49:14,955 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-08-18 16:49:14,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:14,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:14,956 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-08-18 16:49:14,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-08-18 16:49:14,965 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:14,966 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:14,987 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:14,987 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: [] [2023-08-18 16:49:14,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:14,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:14,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:14,995 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-08-18 16:49:15,006 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:15,007 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:15,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-08-18 16:49:15,019 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:15,019 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: [] [2023-08-18 16:49:15,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-08-18 16:49:15,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:15,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:15,023 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-08-18 16:49:15,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-08-18 16:49:15,026 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:15,026 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:15,050 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:15,050 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: [] [2023-08-18 16:49:15,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-08-18 16:49:15,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:15,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:15,054 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-08-18 16:49:15,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-08-18 16:49:15,057 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:15,057 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:15,064 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:15,064 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: [] [2023-08-18 16:49:15,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:15,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:15,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:15,069 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-08-18 16:49:15,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-08-18 16:49:15,075 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:15,075 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:15,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:15,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:15,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:15,086 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2023-08-18 16:49:15,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-08-18 16:49:15,089 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-08-18 16:49:15,089 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:15,113 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-08-18 16:49:15,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-08-18 16:49:15,116 INFO L210 LassoAnalysis]: Preferences: [2023-08-18 16:49:15,116 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-08-18 16:49:15,116 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-08-18 16:49:15,116 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-08-18 16:49:15,116 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-08-18 16:49:15,116 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:15,116 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-08-18 16:49:15,116 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-08-18 16:49:15,116 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration2_Loop [2023-08-18 16:49:15,116 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-08-18 16:49:15,116 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-08-18 16:49:15,118 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:15,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:15,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:15,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:15,134 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:15,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:15,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:15,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:15,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:15,152 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:15,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:15,160 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:15,163 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:15,165 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:15,271 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-08-18 16:49:15,271 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-08-18 16:49:15,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:15,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:15,273 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2023-08-18 16:49:15,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-08-18 16:49:15,278 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 [2023-08-18 16:49:15,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:15,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:15,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:15,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:15,288 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:15,288 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:15,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:15,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-08-18 16:49:15,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:15,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:15,309 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2023-08-18 16:49:15,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-08-18 16:49:15,313 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 [2023-08-18 16:49:15,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:15,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:15,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:15,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:15,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:15,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:15,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:15,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:15,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:15,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:15,344 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2023-08-18 16:49:15,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-08-18 16:49:15,348 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 [2023-08-18 16:49:15,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:15,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:15,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:15,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:15,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:15,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:15,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:15,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:15,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:15,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:15,393 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2023-08-18 16:49:15,401 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 [2023-08-18 16:49:15,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-08-18 16:49:15,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:15,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:15,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:15,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:15,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:15,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:15,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:15,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:15,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:15,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:15,433 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2023-08-18 16:49:15,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-08-18 16:49:15,437 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 [2023-08-18 16:49:15,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:15,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:15,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:15,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:15,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:15,447 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:15,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:15,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:15,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:15,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:15,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:15,469 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2023-08-18 16:49:15,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-08-18 16:49:15,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:15,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:15,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:15,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:15,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:15,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:15,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:15,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-08-18 16:49:15,503 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-08-18 16:49:15,504 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-08-18 16:49:15,505 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-08-18 16:49:15,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:15,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:15,506 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2023-08-18 16:49:15,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-08-18 16:49:15,509 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-08-18 16:49:15,509 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-08-18 16:49:15,509 INFO L513 LassoAnalysis]: Proved termination. [2023-08-18 16:49:15,509 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter1~0) = 1*~counter1~0 Supporting invariants [] [2023-08-18 16:49:15,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:15,512 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-08-18 16:49:15,528 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:15,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjunts are in the unsatisfiable core [2023-08-18 16:49:15,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:15,608 WARN L260 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-18 16:49:15,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:15,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-18 16:49:15,641 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 [2023-08-18 16:49:15,641 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56029 states and 287339 transitions. cyclomatic complexity: 234837 Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:16,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:18,796 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56029 states and 287339 transitions. cyclomatic complexity: 234837. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 194964 states and 1015922 transitions. Complement of second has 5 states. [2023-08-18 16:49:18,797 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 [2023-08-18 16:49:18,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:18,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 184 transitions. [2023-08-18 16:49:18,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 184 transitions. Stem has 34 letters. Loop has 5 letters. [2023-08-18 16:49:18,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:18,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 184 transitions. Stem has 39 letters. Loop has 5 letters. [2023-08-18 16:49:18,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:18,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 184 transitions. Stem has 34 letters. Loop has 10 letters. [2023-08-18 16:49:18,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:49:18,799 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 194964 states and 1015922 transitions. [2023-08-18 16:49:24,001 INFO L131 ngComponentsAnalysis]: Automaton has 5957 accepting balls. 49785 [2023-08-18 16:49:27,128 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 194964 states to 169683 states and 886031 transitions. [2023-08-18 16:49:27,129 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68179 [2023-08-18 16:49:27,549 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86257 [2023-08-18 16:49:27,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169683 states and 886031 transitions. [2023-08-18 16:49:27,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-08-18 16:49:27,549 INFO L218 hiAutomatonCegarLoop]: Abstraction has 169683 states and 886031 transitions. [2023-08-18 16:49:28,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169683 states and 886031 transitions. [2023-08-18 16:49:33,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169683 to 129586. [2023-08-18 16:49:33,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129586 states, 129586 states have (on average 5.437678452919297) internal successors, (704647), 129585 states have internal predecessors, (704647), 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) [2023-08-18 16:49:34,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129586 states to 129586 states and 704647 transitions. [2023-08-18 16:49:34,895 INFO L240 hiAutomatonCegarLoop]: Abstraction has 129586 states and 704647 transitions. [2023-08-18 16:49:34,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-18 16:49:34,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-18 16:49:34,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-18 16:49:34,898 INFO L87 Difference]: Start difference. First operand 129586 states and 704647 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-18 16:49:38,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-08-18 16:49:38,062 INFO L93 Difference]: Finished difference Result 149212 states and 783085 transitions. [2023-08-18 16:49:38,062 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149212 states and 783085 transitions. [2023-08-18 16:49:43,089 INFO L131 ngComponentsAnalysis]: Automaton has 6164 accepting balls. 51240 [2023-08-18 16:49:47,235 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149212 states to 142087 states and 737954 transitions. [2023-08-18 16:49:47,236 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 70888 [2023-08-18 16:49:47,532 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 70888 [2023-08-18 16:49:47,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 142087 states and 737954 transitions. [2023-08-18 16:49:47,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-08-18 16:49:47,532 INFO L218 hiAutomatonCegarLoop]: Abstraction has 142087 states and 737954 transitions. [2023-08-18 16:49:48,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142087 states and 737954 transitions. [2023-08-18 16:49:51,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142087 to 125511. [2023-08-18 16:49:52,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125511 states, 125511 states have (on average 5.281632685581344) internal successors, (662903), 125510 states have internal predecessors, (662903), 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) [2023-08-18 16:49:53,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125511 states to 125511 states and 662903 transitions. [2023-08-18 16:49:53,558 INFO L240 hiAutomatonCegarLoop]: Abstraction has 125511 states and 662903 transitions. [2023-08-18 16:49:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-18 16:49:53,559 INFO L428 stractBuchiCegarLoop]: Abstraction has 125511 states and 662903 transitions. [2023-08-18 16:49:53,559 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-08-18 16:49:53,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125511 states and 662903 transitions. [2023-08-18 16:49:55,403 INFO L131 ngComponentsAnalysis]: Automaton has 4949 accepting balls. 42805 [2023-08-18 16:49:55,403 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-08-18 16:49:55,403 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-08-18 16:49:55,406 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-18 16:49:55,406 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-08-18 16:49:55,407 INFO L748 eck$LassoCheckResult]: Stem: 955692#[$Ultimate##0]don't care [233] $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] 955694#[L-1]don't care [244] L-1-->L-1-1: Formula: (= (select |v_#valid_17| 0) 0) InVars {#valid=|v_#valid_17|} OutVars{#valid=|v_#valid_17|} AuxVars[] AssignedVars[] 903940#[L-1-1]don't care [315] L-1-1-->L21: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] 903942#[L21]don't care [285] L21-->L21-1: Formula: (and (= (select |v_#length_9| 1) 2) (= 1 (select |v_#valid_18| 1))) InVars {#length=|v_#length_9|, #valid=|v_#valid_18|} OutVars{#length=|v_#length_9|, #valid=|v_#valid_18|} AuxVars[] AssignedVars[] 926268#[L21-1]don't care [304] L21-1-->L21-2: Formula: (= 48 (select (select |v_#memory_int_13| 1) 0)) InVars {#memory_int=|v_#memory_int_13|} OutVars{#memory_int=|v_#memory_int_13|} AuxVars[] AssignedVars[] 1038894#[L21-2]don't care [247] L21-2-->L21-3: Formula: (= (select (select |v_#memory_int_14| 1) 1) 0) InVars {#memory_int=|v_#memory_int_14|} OutVars{#memory_int=|v_#memory_int_14|} AuxVars[] AssignedVars[] 981860#[L21-3]don't care [280] L21-3-->L21-4: Formula: (and (= (select |v_#valid_19| 2) 1) (= (select |v_#length_10| 2) 28)) InVars {#length=|v_#length_10|, #valid=|v_#valid_19|} OutVars{#length=|v_#length_10|, #valid=|v_#valid_19|} AuxVars[] AssignedVars[] 981862#[L21-4]don't care [263] L21-4-->L38: Formula: (= v_~M~0_5 0) InVars {} OutVars{~M~0=v_~M~0_5} AuxVars[] AssignedVars[~M~0] 1029900#[L38]don't care [264] L38-->L38-1: Formula: (= v_~N~0_5 0) InVars {} OutVars{~N~0=v_~N~0_5} AuxVars[] AssignedVars[~N~0] 1029902#[L38-1]don't care [281] L38-1-->L38-2: Formula: (= v_~counter1~0_7 0) InVars {} OutVars{~counter1~0=v_~counter1~0_7} AuxVars[] AssignedVars[~counter1~0] 1038214#[L38-2]don't care [314] L38-2-->L-1-2: Formula: (= v_~counter2~0_7 0) InVars {} OutVars{~counter2~0=v_~counter2~0_7} AuxVars[] AssignedVars[~counter2~0] 941494#[L-1-2]don't care [317] 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] 941496#[L-1-3]don't care [319] L-1-3-->L83: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_4|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_1|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_4|, 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_5|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_5|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_5|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_4|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_2|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_5|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_2|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_4|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_3|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_5|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_2|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_3|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_3|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_2|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_5|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_5|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_3|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_~#t2~0#1.base] 980384#[L83]don't care [225] L83-->L83-1: Formula: (and (= |v_ULTIMATE.start_main_~#t1~0#1.offset_6| 0) (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_6| 0)) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t1~0#1.base_6|) (= (store |v_#valid_21| |v_ULTIMATE.start_main_~#t1~0#1.base_6| 1) |v_#valid_20|) (= (store |v_#length_12| |v_ULTIMATE.start_main_~#t1~0#1.base_6| 4) |v_#length_11|) (= (select |v_#valid_21| |v_ULTIMATE.start_main_~#t1~0#1.base_6|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_12|, #valid=|v_#valid_21|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_11|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_6|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_6|, #valid=|v_#valid_20|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 980386#[L83-1]don't care [266] L83-1-->L83-2: Formula: (and (= (select |v_#valid_23| |v_ULTIMATE.start_main_~#t2~0#1.base_6|) 0) (= (store |v_#valid_23| |v_ULTIMATE.start_main_~#t2~0#1.base_6| 1) |v_#valid_22|) (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_6| 0)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t2~0#1.base_6| 4)) (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#t2~0#1.base_6|) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_6|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_14|, #valid=|v_#valid_23|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_6|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_6|, #valid=|v_#valid_22|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 1031886#[L83-2]don't care [299] L83-2-->L83-3: Formula: (and (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t3~0#1.base_6| 4) |v_#length_15|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_6| 0) (= (select |v_#valid_25| |v_ULTIMATE.start_main_~#t3~0#1.base_6|) 0) (= (store |v_#valid_25| |v_ULTIMATE.start_main_~#t3~0#1.base_6| 1) |v_#valid_24|) (< |v_#StackHeapBarrier_4| |v_ULTIMATE.start_main_~#t3~0#1.base_6|) (not (= |v_ULTIMATE.start_main_~#t3~0#1.base_6| 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_16|, #valid=|v_#valid_25|} OutVars{ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_15|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_6|, #valid=|v_#valid_24|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t3~0#1.offset, #valid, ULTIMATE.start_main_~#t3~0#1.base, #length] 1031888#[L83-3]don't care [303] L83-3-->L83-4: Formula: (and (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t4~0#1.base_6| 4) |v_#length_17|) (= (select |v_#valid_27| |v_ULTIMATE.start_main_~#t4~0#1.base_6|) 0) (< |v_#StackHeapBarrier_5| |v_ULTIMATE.start_main_~#t4~0#1.base_6|) (= |v_ULTIMATE.start_main_~#t4~0#1.offset_6| 0) (not (= |v_ULTIMATE.start_main_~#t4~0#1.base_6| 0)) (= (store |v_#valid_27| |v_ULTIMATE.start_main_~#t4~0#1.base_6| 1) |v_#valid_26|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_18|, #valid=|v_#valid_27|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_17|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_6|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_6|, #valid=|v_#valid_26|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base] 987748#[L83-4]don't care [265] 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] 987750#[L85]don't care [241] L85-->L85-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet9#1_3| v_~M~0_6) InVars {ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|} OutVars{~M~0=v_~M~0_6, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|} AuxVars[] AssignedVars[~M~0] 990396#[L85-1]don't care [255] L85-1-->L86: 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] 990398#[L86]don't care [207] L86-->L86-1: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] 1044010#[L86-1]don't care [274] L86-1-->L86-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet10#1_3| v_~N~0_6) InVars {ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_3|} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_3|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[~N~0] 1041424#[L86-2]don't care [323] L86-2-->L89: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] 1005866#[L89]don't care [271] L89-->L89-1: Formula: (= |v_ULTIMATE.start_main_#t~pre11#1_1| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_1|, #pthreadsForks=|v_#pthreadsForks_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 1005868#[L89-1]don't care [251] L89-1-->L89-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 1041744#[L89-2]don't care [278] L89-2-->L89-3: Formula: (and (= (store |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| (store (select |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) |v_ULTIMATE.start_main_~#t1~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre11#1_2|)) |v_#memory_int_1|) (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_1| 4) (select |v_#length_1| |v_ULTIMATE.start_main_~#t1~0#1.base_1|)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_1|) (= (select |v_#valid_1| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) 1)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_2|, #length=|v_#length_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #length=|v_#length_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} AuxVars[] AssignedVars[#memory_int] 1014944#[L89-3]don't care [366] L89-3-->$Ultimate##0: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_4|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_12, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 953046#[L89-4, $Ultimate##0]don't care [324] $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] 953048#[L89-4, L41-4]don't care [325] L41-4-->L42: Formula: (< v_thread1Thread1of1ForFork0_~i~0_3 v_~M~0_2) InVars {~M~0=v_~M~0_2, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3} OutVars{~M~0=v_~M~0_2, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_3} AuxVars[] AssignedVars[] 1034920#[L42, L89-4]don't care [300] L89-4-->L89-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 1050600#[L42, L89-5]don't care [313] L89-5-->L90: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet12#1] 979898#[L42, L90]don't care [312] L90-->L90-1: Formula: (= |v_ULTIMATE.start_main_#t~pre13#1_1| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1] 1043904#[L42, L90-1]don't care [226] L90-1-->L90-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] 1054494#[L42, L90-2]don't care [234] L90-2-->L90-3: Formula: (and (= (select |v_#valid_2| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) 1) (<= (+ 4 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|) (select |v_#length_2| |v_ULTIMATE.start_main_~#t2~0#1.base_1|)) (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) |v_ULTIMATE.start_main_~#t2~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre13#1_2|)) |v_#memory_int_3|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, #valid=|v_#valid_2|, #memory_int=|v_#memory_int_4|, #length=|v_#length_2|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, #valid=|v_#valid_2|, #memory_int=|v_#memory_int_3|, #length=|v_#length_2|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} AuxVars[] AssignedVars[#memory_int] 993818#[L42, L90-3]don't care [372] L90-3-->$Ultimate##0: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_2) (= 0 v_thread2Thread1of1ForFork2_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre13#1_6| v_thread2Thread1of1ForFork2_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_2, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_2, thread2Thread1of1ForFork2_#t~post4#1=|v_thread2Thread1of1ForFork2_#t~post4#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, 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] 1030286#[L42, $Ultimate##0, L90-4]don't care [334] $Ultimate##0-->L51-4: Formula: (= |v_thread2Thread1of1ForFork2_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_~i~1#1] 1020886#[L42, L51-4, L90-4]don't care [328] L42-->L44: Formula: (= (+ v_~counter1~0_13 1) v_~counter1~0_12) InVars {~counter1~0=v_~counter1~0_13} OutVars{thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_1|, ~counter1~0=v_~counter1~0_12} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~post2, ~counter1~0] 1020888#[L44, L51-4, L90-4]don't care [2023-08-18 16:49:55,407 INFO L750 eck$LassoCheckResult]: Loop: 1020888#[L44, L51-4, L90-4]don't care [335] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork2_~i~1#1_3| v_~N~0_2) InVars {thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_3|, ~N~0=v_~N~0_2} OutVars{thread2Thread1of1ForFork2_~i~1#1=|v_thread2Thread1of1ForFork2_~i~1#1_3|, ~N~0=v_~N~0_2} AuxVars[] AssignedVars[] 1037374#[L44, L52, L90-4]don't care [338] 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] 1030002#[L55, L44, L90-4]don't care [340] 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] 1002514#[L51-2, L44, L90-4]don't care [342] 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] 1048618#[L51-3, L44, L90-4]don't care [343] L51-3-->L51-4: Formula: true InVars {} OutVars{thread2Thread1of1ForFork2_#t~post3#1=|v_thread2Thread1of1ForFork2_#t~post3#1_5|} AuxVars[] AssignedVars[thread2Thread1of1ForFork2_#t~post3#1] 1020888#[L44, L51-4, L90-4]don't care [2023-08-18 16:49:55,407 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:55,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1174333757, now seen corresponding path program 1 times [2023-08-18 16:49:55,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:55,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672501229] [2023-08-18 16:49:55,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:55,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:55,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:55,441 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:55,442 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:55,442 INFO L85 PathProgramCache]: Analyzing trace with hash 348415729, now seen corresponding path program 2 times [2023-08-18 16:49:55,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:55,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311672782] [2023-08-18 16:49:55,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:55,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:55,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:55,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:55,449 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:55,449 INFO L85 PathProgramCache]: Analyzing trace with hash -586030283, now seen corresponding path program 1 times [2023-08-18 16:49:55,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:49:55,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874938017] [2023-08-18 16:49:55,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:49:55,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:49:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:55,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:49:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:49:55,481 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:49:55,520 INFO L210 LassoAnalysis]: Preferences: [2023-08-18 16:49:55,520 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-08-18 16:49:55,520 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-08-18 16:49:55,520 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-08-18 16:49:55,520 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-08-18 16:49:55,520 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:55,520 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-08-18 16:49:55,520 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-08-18 16:49:55,520 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration3_Loop [2023-08-18 16:49:55,520 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-08-18 16:49:55,520 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-08-18 16:49:55,522 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,526 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,528 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,534 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,536 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,649 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-08-18 16:49:55,649 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-08-18 16:49:55,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:55,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:55,653 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2023-08-18 16:49:55,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-08-18 16:49:55,662 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:55,662 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:55,679 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:55,680 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_5=-1} Honda state: {v_rep#funAddr~thread4.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:55,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:55,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:55,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:55,687 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2023-08-18 16:49:55,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-08-18 16:49:55,691 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:55,691 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:55,713 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:55,713 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_5=-1} Honda state: {v_rep#funAddr~thread1.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:55,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:55,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:55,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:55,721 INFO L229 MonitoredProcess]: Starting monitored process 41 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) [2023-08-18 16:49:55,726 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:55,726 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:55,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-08-18 16:49:55,745 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:55,745 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_5=-1} Honda state: {v_rep#funAddr~thread3.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:55,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:55,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:55,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:55,751 INFO L229 MonitoredProcess]: Starting monitored process 42 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) [2023-08-18 16:49:55,757 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:55,757 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:55,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-08-18 16:49:55,785 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:55,785 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_5=-1} Honda state: {v_rep#funAddr~thread2.base_5=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:55,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:55,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:55,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:55,792 INFO L229 MonitoredProcess]: Starting monitored process 43 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) [2023-08-18 16:49:55,797 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:55,797 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:55,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-08-18 16:49:55,811 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:55,811 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.offset_5=0} Honda state: {v_rep#funAddr~thread1.offset_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:55,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-08-18 16:49:55,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:55,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:55,815 INFO L229 MonitoredProcess]: Starting monitored process 44 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) [2023-08-18 16:49:55,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-08-18 16:49:55,819 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:55,819 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:55,829 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:55,830 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_5=3} Honda state: {v_rep#funAddr~thread4.offset_5=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:55,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2023-08-18 16:49:55,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:55,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:55,833 INFO L229 MonitoredProcess]: Starting monitored process 45 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) [2023-08-18 16:49:55,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-08-18 16:49:55,837 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:55,837 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:55,843 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:55,844 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1=1} Honda state: {thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:55,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:55,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:55,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:55,847 INFO L229 MonitoredProcess]: Starting monitored process 46 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) [2023-08-18 16:49:55,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-08-18 16:49:55,851 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:55,851 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:55,857 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:55,857 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: [] [2023-08-18 16:49:55,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:55,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:55,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:55,866 INFO L229 MonitoredProcess]: Starting monitored process 47 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) [2023-08-18 16:49:55,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-08-18 16:49:55,870 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:55,870 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:55,880 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:55,880 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.offset_5=1} Honda state: {v_rep#funAddr~thread2.offset_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:55,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:55,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:55,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:55,884 INFO L229 MonitoredProcess]: Starting monitored process 48 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) [2023-08-18 16:49:55,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-08-18 16:49:55,887 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:55,887 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:55,894 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:49:55,894 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=1} Honda state: {thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:49:55,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-08-18 16:49:55,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:55,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:55,897 INFO L229 MonitoredProcess]: Starting monitored process 49 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) [2023-08-18 16:49:55,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-08-18 16:49:55,905 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:49:55,905 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:55,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-08-18 16:49:55,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:55,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:55,916 INFO L229 MonitoredProcess]: Starting monitored process 50 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) [2023-08-18 16:49:55,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-08-18 16:49:55,919 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-08-18 16:49:55,919 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:49:55,934 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-08-18 16:49:55,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:55,937 INFO L210 LassoAnalysis]: Preferences: [2023-08-18 16:49:55,937 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-08-18 16:49:55,937 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-08-18 16:49:55,937 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-08-18 16:49:55,937 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-08-18 16:49:55,937 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:55,937 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-08-18 16:49:55,937 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-08-18 16:49:55,937 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration3_Loop [2023-08-18 16:49:55,937 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-08-18 16:49:55,937 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-08-18 16:49:55,939 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,942 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,944 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,946 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,951 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,956 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,959 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,962 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:55,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:49:56,085 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-08-18 16:49:56,085 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-08-18 16:49:56,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:56,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:56,087 INFO L229 MonitoredProcess]: Starting monitored process 51 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) [2023-08-18 16:49:56,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-08-18 16:49:56,090 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 [2023-08-18 16:49:56,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:56,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:56,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:56,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:56,098 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:56,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:56,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:56,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:56,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:56,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:56,120 INFO L229 MonitoredProcess]: Starting monitored process 52 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) [2023-08-18 16:49:56,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-08-18 16:49:56,124 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 [2023-08-18 16:49:56,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:56,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:56,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:56,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:56,133 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:56,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:56,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:56,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:56,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:56,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:56,155 INFO L229 MonitoredProcess]: Starting monitored process 53 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) [2023-08-18 16:49:56,161 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 [2023-08-18 16:49:56,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:56,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:56,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:56,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:56,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:56,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:56,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-08-18 16:49:56,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:56,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2023-08-18 16:49:56,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:56,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:56,184 INFO L229 MonitoredProcess]: Starting monitored process 54 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) [2023-08-18 16:49:56,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-08-18 16:49:56,187 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 [2023-08-18 16:49:56,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:56,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:56,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:56,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:56,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:56,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:56,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:56,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:56,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:56,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:56,213 INFO L229 MonitoredProcess]: Starting monitored process 55 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) [2023-08-18 16:49:56,221 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 [2023-08-18 16:49:56,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:56,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:56,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:56,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:56,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:56,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:56,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:56,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-08-18 16:49:56,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:56,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:56,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:56,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:56,251 INFO L229 MonitoredProcess]: Starting monitored process 56 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) [2023-08-18 16:49:56,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-08-18 16:49:56,255 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 [2023-08-18 16:49:56,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:56,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:56,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:56,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:56,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:56,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:56,281 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:56,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:56,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:56,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:56,286 INFO L229 MonitoredProcess]: Starting monitored process 57 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) [2023-08-18 16:49:56,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-08-18 16:49:56,292 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 [2023-08-18 16:49:56,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:56,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:56,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:56,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:56,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:56,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:56,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:56,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:56,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:56,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:56,330 INFO L229 MonitoredProcess]: Starting monitored process 58 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) [2023-08-18 16:49:56,336 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 [2023-08-18 16:49:56,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:56,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:56,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:56,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:56,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:56,344 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:56,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:56,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-08-18 16:49:56,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:56,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:56,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:56,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:56,366 INFO L229 MonitoredProcess]: Starting monitored process 59 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) [2023-08-18 16:49:56,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-08-18 16:49:56,370 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 [2023-08-18 16:49:56,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:56,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:56,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:56,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:56,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:56,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:56,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:56,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:56,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:56,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:56,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:56,402 INFO L229 MonitoredProcess]: Starting monitored process 60 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) [2023-08-18 16:49:56,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-08-18 16:49:56,406 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 [2023-08-18 16:49:56,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:56,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:56,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:56,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:56,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:49:56,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:49:56,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:49:56,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:56,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:56,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:56,430 INFO L229 MonitoredProcess]: Starting monitored process 61 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) [2023-08-18 16:49:56,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-08-18 16:49:56,433 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 [2023-08-18 16:49:56,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:49:56,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:49:56,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:49:56,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:49:56,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:49:56,439 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:49:56,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:49:56,447 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-08-18 16:49:56,449 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-08-18 16:49:56,449 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-08-18 16:49:56,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:49:56,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:49:56,450 INFO L229 MonitoredProcess]: Starting monitored process 62 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) [2023-08-18 16:49:56,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-08-18 16:49:56,453 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-08-18 16:49:56,453 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-08-18 16:49:56,453 INFO L513 LassoAnalysis]: Proved termination. [2023-08-18 16:49:56,453 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~counter1~0) = 1*~counter1~0 Supporting invariants [] [2023-08-18 16:49:56,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-08-18 16:49:56,456 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-08-18 16:49:56,467 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:49:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:56,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core [2023-08-18 16:49:56,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:49:56,548 WARN L260 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-18 16:49:56,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:49:56,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-18 16:49:56,581 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 [2023-08-18 16:49:56,581 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 125511 states and 662903 transitions. cyclomatic complexity: 545689 Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2023-08-18 16:49:57,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-08-18 16:50:03,625 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 125511 states and 662903 transitions. cyclomatic complexity: 545689. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 413843 states and 2175359 transitions. Complement of second has 5 states. [2023-08-18 16:50:03,626 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 [2023-08-18 16:50:03,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2023-08-18 16:50:03,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 206 transitions. [2023-08-18 16:50:03,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 206 transitions. Stem has 37 letters. Loop has 5 letters. [2023-08-18 16:50:03,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:50:03,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 206 transitions. Stem has 42 letters. Loop has 5 letters. [2023-08-18 16:50:03,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:50:03,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 206 transitions. Stem has 37 letters. Loop has 10 letters. [2023-08-18 16:50:03,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-08-18 16:50:03,633 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 413843 states and 2175359 transitions. [2023-08-18 16:50:17,058 INFO L131 ngComponentsAnalysis]: Automaton has 11276 accepting balls. 86660 [2023-08-18 16:50:24,644 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 413843 states to 325136 states and 1653683 transitions. [2023-08-18 16:50:24,644 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126912 [2023-08-18 16:50:25,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144258 [2023-08-18 16:50:25,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 325136 states and 1653683 transitions. [2023-08-18 16:50:25,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-08-18 16:50:25,607 INFO L218 hiAutomatonCegarLoop]: Abstraction has 325136 states and 1653683 transitions. [2023-08-18 16:50:26,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325136 states and 1653683 transitions. [2023-08-18 16:50:34,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325136 to 140290. [2023-08-18 16:50:34,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140290 states, 140290 states have (on average 5.270047758215126) internal successors, (739335), 140289 states have internal predecessors, (739335), 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) [2023-08-18 16:50:37,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140290 states to 140290 states and 739335 transitions. [2023-08-18 16:50:37,360 INFO L240 hiAutomatonCegarLoop]: Abstraction has 140290 states and 739335 transitions. [2023-08-18 16:50:37,360 INFO L428 stractBuchiCegarLoop]: Abstraction has 140290 states and 739335 transitions. [2023-08-18 16:50:37,360 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-08-18 16:50:37,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 140290 states and 739335 transitions. [2023-08-18 16:50:39,733 INFO L131 ngComponentsAnalysis]: Automaton has 5327 accepting balls. 45415 [2023-08-18 16:50:39,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-08-18 16:50:39,733 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-08-18 16:50:39,738 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-18 16:50:39,738 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-08-18 16:50:39,741 INFO L748 eck$LassoCheckResult]: Stem: 1619895#[$Ultimate##0]don't care [233] $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] 1619897#[L-1]don't care [244] L-1-->L-1-1: Formula: (= (select |v_#valid_17| 0) 0) InVars {#valid=|v_#valid_17|} OutVars{#valid=|v_#valid_17|} AuxVars[] AssignedVars[] 1569005#[L-1-1]don't care [315] L-1-1-->L21: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] 1569007#[L21]don't care [285] L21-->L21-1: Formula: (and (= (select |v_#length_9| 1) 2) (= 1 (select |v_#valid_18| 1))) InVars {#length=|v_#length_9|, #valid=|v_#valid_18|} OutVars{#length=|v_#length_9|, #valid=|v_#valid_18|} AuxVars[] AssignedVars[] 1591301#[L21-1]don't care [304] L21-1-->L21-2: Formula: (= 48 (select (select |v_#memory_int_13| 1) 0)) InVars {#memory_int=|v_#memory_int_13|} OutVars{#memory_int=|v_#memory_int_13|} AuxVars[] AssignedVars[] 1696675#[L21-2]don't care [247] L21-2-->L21-3: Formula: (= (select (select |v_#memory_int_14| 1) 1) 0) InVars {#memory_int=|v_#memory_int_14|} OutVars{#memory_int=|v_#memory_int_14|} AuxVars[] AssignedVars[] 1645613#[L21-3]don't care [280] L21-3-->L21-4: Formula: (and (= (select |v_#valid_19| 2) 1) (= (select |v_#length_10| 2) 28)) InVars {#length=|v_#length_10|, #valid=|v_#valid_19|} OutVars{#length=|v_#length_10|, #valid=|v_#valid_19|} AuxVars[] AssignedVars[] 1645615#[L21-4]don't care [263] L21-4-->L38: Formula: (= v_~M~0_5 0) InVars {} OutVars{~M~0=v_~M~0_5} AuxVars[] AssignedVars[~M~0] 1689193#[L38]don't care [264] L38-->L38-1: Formula: (= v_~N~0_5 0) InVars {} OutVars{~N~0=v_~N~0_5} AuxVars[] AssignedVars[~N~0] 1689195#[L38-1]don't care [281] L38-1-->L38-2: Formula: (= v_~counter1~0_7 0) InVars {} OutVars{~counter1~0=v_~counter1~0_7} AuxVars[] AssignedVars[~counter1~0] 1696039#[L38-2]don't care [314] L38-2-->L-1-2: Formula: (= v_~counter2~0_7 0) InVars {} OutVars{~counter2~0=v_~counter2~0_7} AuxVars[] AssignedVars[~counter2~0] 1606271#[L-1-2]don't care [317] 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] 1606273#[L-1-3]don't care [319] L-1-3-->L83: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_4|, ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_1|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_4|, 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_5|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_5|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_5|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_4|, ULTIMATE.start_main_#t~nondet18#1=|v_ULTIMATE.start_main_#t~nondet18#1_2|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_5|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_2|, ULTIMATE.start_main_#t~pre17#1=|v_ULTIMATE.start_main_#t~pre17#1_4|, ULTIMATE.start_main_#t~mem21#1=|v_ULTIMATE.start_main_#t~mem21#1_3|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_5|, ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_2|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_3|, ULTIMATE.start_main_#t~mem20#1=|v_ULTIMATE.start_main_#t~mem20#1_3|, ULTIMATE.start_main_#t~nondet16#1=|v_ULTIMATE.start_main_#t~nondet16#1_2|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_5|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_5|, ULTIMATE.start_main_#t~mem22#1=|v_ULTIMATE.start_main_#t~mem22#1_3|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1, ULTIMATE.start_main_#t~nondet10#1, ULTIMATE.start_main_#t~pre11#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_~#t2~0#1.offset, ULTIMATE.start_main_~#t3~0#1.offset, ULTIMATE.start_main_~#t3~0#1.base, ULTIMATE.start_main_#t~pre15#1, ULTIMATE.start_main_#t~nondet18#1, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~pre17#1, ULTIMATE.start_main_#t~mem21#1, ULTIMATE.start_main_~#t1~0#1.offset, ULTIMATE.start_main_#t~nondet14#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~mem20#1, ULTIMATE.start_main_#t~nondet16#1, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base, ULTIMATE.start_main_#t~mem22#1, ULTIMATE.start_main_~#t2~0#1.base] 1644229#[L83]don't care [225] L83-->L83-1: Formula: (and (= |v_ULTIMATE.start_main_~#t1~0#1.offset_6| 0) (not (= |v_ULTIMATE.start_main_~#t1~0#1.base_6| 0)) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t1~0#1.base_6|) (= (store |v_#valid_21| |v_ULTIMATE.start_main_~#t1~0#1.base_6| 1) |v_#valid_20|) (= (store |v_#length_12| |v_ULTIMATE.start_main_~#t1~0#1.base_6| 4) |v_#length_11|) (= (select |v_#valid_21| |v_ULTIMATE.start_main_~#t1~0#1.base_6|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_12|, #valid=|v_#valid_21|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_11|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_6|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_6|, #valid=|v_#valid_20|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t1~0#1.base, ULTIMATE.start_main_~#t1~0#1.offset] 1644231#[L83-1]don't care [266] L83-1-->L83-2: Formula: (and (= (select |v_#valid_23| |v_ULTIMATE.start_main_~#t2~0#1.base_6|) 0) (= (store |v_#valid_23| |v_ULTIMATE.start_main_~#t2~0#1.base_6| 1) |v_#valid_22|) (not (= |v_ULTIMATE.start_main_~#t2~0#1.base_6| 0)) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t2~0#1.base_6| 4)) (< |v_#StackHeapBarrier_3| |v_ULTIMATE.start_main_~#t2~0#1.base_6|) (= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_6|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_14|, #valid=|v_#valid_23|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_3|, #length=|v_#length_13|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_6|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_6|, #valid=|v_#valid_22|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t2~0#1.base] 1690747#[L83-2]don't care [299] L83-2-->L83-3: Formula: (and (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t3~0#1.base_6| 4) |v_#length_15|) (= |v_ULTIMATE.start_main_~#t3~0#1.offset_6| 0) (= (select |v_#valid_25| |v_ULTIMATE.start_main_~#t3~0#1.base_6|) 0) (= (store |v_#valid_25| |v_ULTIMATE.start_main_~#t3~0#1.base_6| 1) |v_#valid_24|) (< |v_#StackHeapBarrier_4| |v_ULTIMATE.start_main_~#t3~0#1.base_6|) (not (= |v_ULTIMATE.start_main_~#t3~0#1.base_6| 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_16|, #valid=|v_#valid_25|} OutVars{ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_6|, #StackHeapBarrier=|v_#StackHeapBarrier_4|, #length=|v_#length_15|, ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_6|, #valid=|v_#valid_24|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t3~0#1.offset, #valid, ULTIMATE.start_main_~#t3~0#1.base, #length] 1690749#[L83-3]don't care [303] L83-3-->L83-4: Formula: (and (= (store |v_#length_18| |v_ULTIMATE.start_main_~#t4~0#1.base_6| 4) |v_#length_17|) (= (select |v_#valid_27| |v_ULTIMATE.start_main_~#t4~0#1.base_6|) 0) (< |v_#StackHeapBarrier_5| |v_ULTIMATE.start_main_~#t4~0#1.base_6|) (= |v_ULTIMATE.start_main_~#t4~0#1.offset_6| 0) (not (= |v_ULTIMATE.start_main_~#t4~0#1.base_6| 0)) (= (store |v_#valid_27| |v_ULTIMATE.start_main_~#t4~0#1.base_6| 1) |v_#valid_26|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_18|, #valid=|v_#valid_27|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_5|, #length=|v_#length_17|, ULTIMATE.start_main_~#t4~0#1.offset=|v_ULTIMATE.start_main_~#t4~0#1.offset_6|, ULTIMATE.start_main_~#t4~0#1.base=|v_ULTIMATE.start_main_~#t4~0#1.base_6|, #valid=|v_#valid_26|} AuxVars[] AssignedVars[#valid, #length, ULTIMATE.start_main_~#t4~0#1.offset, ULTIMATE.start_main_~#t4~0#1.base] 1651239#[L83-4]don't care [265] 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] 1651241#[L85]don't care [241] L85-->L85-1: Formula: (= |v_ULTIMATE.start_main_#t~nondet9#1_3| v_~M~0_6) InVars {ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|} OutVars{~M~0=v_~M~0_6, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_3|} AuxVars[] AssignedVars[~M~0] 1653821#[L85-1]don't care [255] L85-1-->L86: 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] 1653823#[L86]don't care [207] L86-->L86-1: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] 1700383#[L86-1]don't care [274] L86-1-->L86-2: Formula: (= |v_ULTIMATE.start_main_#t~nondet10#1_3| v_~N~0_6) InVars {ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_3|} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_3|, ~N~0=v_~N~0_6} AuxVars[] AssignedVars[~N~0] 1698551#[L86-2]don't care [323] L86-2-->L89: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet10#1=|v_ULTIMATE.start_main_#t~nondet10#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet10#1] 1668117#[L89]don't care [271] L89-->L89-1: Formula: (= |v_ULTIMATE.start_main_#t~pre11#1_1| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_1|, #pthreadsForks=|v_#pthreadsForks_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 1668119#[L89-1]don't care [251] L89-1-->L89-2: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] 1698783#[L89-2]don't care [278] L89-2-->L89-3: Formula: (and (= (store |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1| (store (select |v_#memory_int_2| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) |v_ULTIMATE.start_main_~#t1~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre11#1_2|)) |v_#memory_int_1|) (<= (+ |v_ULTIMATE.start_main_~#t1~0#1.offset_1| 4) (select |v_#length_1| |v_ULTIMATE.start_main_~#t1~0#1.base_1|)) (<= 0 |v_ULTIMATE.start_main_~#t1~0#1.offset_1|) (= (select |v_#valid_1| |v_ULTIMATE.start_main_~#t1~0#1.base_1|) 1)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_2|, #length=|v_#length_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_2|, #valid=|v_#valid_1|, #memory_int=|v_#memory_int_1|, #length=|v_#length_1|, ULTIMATE.start_main_~#t1~0#1.base=|v_ULTIMATE.start_main_~#t1~0#1.base_1|, ULTIMATE.start_main_~#t1~0#1.offset=|v_ULTIMATE.start_main_~#t1~0#1.offset_1|} AuxVars[] AssignedVars[#memory_int] 1676269#[L89-3]don't care [366] L89-3-->$Ultimate##0: Formula: (and (= v_thread1Thread1of1ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre11#1_6|) (= v_thread1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|} OutVars{thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_6|, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_8|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_4|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_12, thread1Thread1of1ForFork0_thidvar0=v_thread1Thread1of1ForFork0_thidvar0_2, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, thread1Thread1of1ForFork0_thidvar1=v_thread1Thread1of1ForFork0_thidvar1_2} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0, thread1Thread1of1ForFork0_thidvar0, thread1Thread1of1ForFork0_#res.offset, thread1Thread1of1ForFork0_thidvar1] 1617273#[L89-4, $Ultimate##0]don't care [300] L89-4-->L89-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre11#1=|v_ULTIMATE.start_main_#t~pre11#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre11#1] 1617277#[L89-5, $Ultimate##0]don't care [313] L89-5-->L90: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet12#1] 1681641#[L90, $Ultimate##0]don't care [312] L90-->L90-1: Formula: (= |v_ULTIMATE.start_main_#t~pre13#1_1| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1] 1604259#[L90-1, $Ultimate##0]don't care [226] L90-1-->L90-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] 1604261#[$Ultimate##0, L90-2]don't care [234] L90-2-->L90-3: Formula: (and (= (select |v_#valid_2| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) 1) (<= (+ 4 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|) (select |v_#length_2| |v_ULTIMATE.start_main_~#t2~0#1.base_1|)) (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t2~0#1.base_1|) |v_ULTIMATE.start_main_~#t2~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre13#1_2|)) |v_#memory_int_3|) (<= 0 |v_ULTIMATE.start_main_~#t2~0#1.offset_1|)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, #valid=|v_#valid_2|, #memory_int=|v_#memory_int_4|, #length=|v_#length_2|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_2|, ULTIMATE.start_main_~#t2~0#1.offset=|v_ULTIMATE.start_main_~#t2~0#1.offset_1|, #valid=|v_#valid_2|, #memory_int=|v_#memory_int_3|, #length=|v_#length_2|, ULTIMATE.start_main_~#t2~0#1.base=|v_ULTIMATE.start_main_~#t2~0#1.base_1|} AuxVars[] AssignedVars[#memory_int] 1694481#[L90-3, $Ultimate##0]don't care [372] L90-3-->$Ultimate##0: Formula: (and (= 0 v_thread2Thread1of1ForFork2_thidvar2_2) (= 0 v_thread2Thread1of1ForFork2_thidvar1_2) (= |v_ULTIMATE.start_main_#t~pre13#1_6| v_thread2Thread1of1ForFork2_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|} OutVars{thread2Thread1of1ForFork2_thidvar2=v_thread2Thread1of1ForFork2_thidvar2_2, thread2Thread1of1ForFork2_thidvar1=v_thread2Thread1of1ForFork2_thidvar1_2, thread2Thread1of1ForFork2_#t~post4#1=|v_thread2Thread1of1ForFork2_#t~post4#1_4|, ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_6|, 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] 1577551#[$Ultimate##0, $Ultimate##0, L90-4]don't care [302] L90-4-->L90-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre13#1=|v_ULTIMATE.start_main_#t~pre13#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre13#1] 1577557#[L90-5, $Ultimate##0, $Ultimate##0]don't care [239] L90-5-->L91: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet14#1=|v_ULTIMATE.start_main_#t~nondet14#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet14#1] 1672711#[$Ultimate##0, L91, $Ultimate##0]don't care [227] L91-->L91-1: Formula: (= |v_ULTIMATE.start_main_#t~pre15#1_1| |v_#pthreadsForks_7|) InVars {#pthreadsForks=|v_#pthreadsForks_7|} OutVars{#pthreadsForks=|v_#pthreadsForks_7|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre15#1] 1672713#[$Ultimate##0, $Ultimate##0, L91-1]don't care [240] L91-1-->L91-2: Formula: (= (+ 1 |v_#pthreadsForks_9|) |v_#pthreadsForks_8|) InVars {#pthreadsForks=|v_#pthreadsForks_9|} OutVars{#pthreadsForks=|v_#pthreadsForks_8|} AuxVars[] AssignedVars[#pthreadsForks] 1636449#[$Ultimate##0, $Ultimate##0, L91-2]don't care [269] L91-2-->L91-3: Formula: (and (<= (+ 4 |v_ULTIMATE.start_main_~#t3~0#1.offset_1|) (select |v_#length_3| |v_ULTIMATE.start_main_~#t3~0#1.base_1|)) (= (select |v_#valid_3| |v_ULTIMATE.start_main_~#t3~0#1.base_1|) 1) (<= 0 |v_ULTIMATE.start_main_~#t3~0#1.offset_1|) (= (store |v_#memory_int_6| |v_ULTIMATE.start_main_~#t3~0#1.base_1| (store (select |v_#memory_int_6| |v_ULTIMATE.start_main_~#t3~0#1.base_1|) |v_ULTIMATE.start_main_~#t3~0#1.offset_1| |v_ULTIMATE.start_main_#t~pre15#1_2|)) |v_#memory_int_5|)) InVars {ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_1|, #valid=|v_#valid_3|, #memory_int=|v_#memory_int_6|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_1|, #length=|v_#length_3|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_2|} OutVars{ULTIMATE.start_main_~#t3~0#1.offset=|v_ULTIMATE.start_main_~#t3~0#1.offset_1|, #valid=|v_#valid_3|, #memory_int=|v_#memory_int_5|, ULTIMATE.start_main_~#t3~0#1.base=|v_ULTIMATE.start_main_~#t3~0#1.base_1|, #length=|v_#length_3|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_2|} AuxVars[] AssignedVars[#memory_int] 1636453#[$Ultimate##0, $Ultimate##0, L91-3]don't care [375] L91-3-->$Ultimate##0: Formula: (and (= v_thread3Thread1of1ForFork3_thidvar1_2 0) (= v_thread3Thread1of1ForFork3_thidvar0_2 |v_ULTIMATE.start_main_#t~pre15#1_6|) (= v_thread3Thread1of1ForFork3_thidvar3_2 0) (= v_thread3Thread1of1ForFork3_thidvar2_2 0)) InVars {ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|} OutVars{thread3Thread1of1ForFork3_thidvar0=v_thread3Thread1of1ForFork3_thidvar0_2, thread3Thread1of1ForFork3_thidvar2=v_thread3Thread1of1ForFork3_thidvar2_2, thread3Thread1of1ForFork3_thidvar1=v_thread3Thread1of1ForFork3_thidvar1_2, thread3Thread1of1ForFork3_#res.base=|v_thread3Thread1of1ForFork3_#res.base_4|, thread3Thread1of1ForFork3_thidvar3=v_thread3Thread1of1ForFork3_thidvar3_2, thread3Thread1of1ForFork3_#t~post6=|v_thread3Thread1of1ForFork3_#t~post6_4|, thread3Thread1of1ForFork3_#res.offset=|v_thread3Thread1of1ForFork3_#res.offset_4|, thread3Thread1of1ForFork3_#t~post5=|v_thread3Thread1of1ForFork3_#t~post5_8|, ULTIMATE.start_main_#t~pre15#1=|v_ULTIMATE.start_main_#t~pre15#1_6|, thread3Thread1of1ForFork3_~i~2=v_thread3Thread1of1ForFork3_~i~2_12} AuxVars[] AssignedVars[thread3Thread1of1ForFork3_thidvar0, thread3Thread1of1ForFork3_thidvar2, thread3Thread1of1ForFork3_thidvar1, thread3Thread1of1ForFork3_#res.base, thread3Thread1of1ForFork3_thidvar3, thread3Thread1of1ForFork3_#t~post6, thread3Thread1of1ForFork3_#res.offset, thread3Thread1of1ForFork3_#t~post5, thread3Thread1of1ForFork3_~i~2] 1567005#[$Ultimate##0, L91-4, $Ultimate##0, $Ultimate##0]don't care [344] $Ultimate##0-->L62-4: Formula: (= v_thread3Thread1of1ForFork3_~i~2_1 0) InVars {} OutVars{thread3Thread1of1ForFork3_~i~2=v_thread3Thread1of1ForFork3_~i~2_1} AuxVars[] AssignedVars[thread3Thread1of1ForFork3_~i~2] 1567009#[$Ultimate##0, L91-4, $Ultimate##0, L62-4]don't care [2023-08-18 16:50:39,741 INFO L750 eck$LassoCheckResult]: Loop: 1567009#[$Ultimate##0, L91-4, $Ultimate##0, L62-4]don't care [345] L62-4-->L63: Formula: (< v_thread3Thread1of1ForFork3_~i~2_3 v_~M~0_4) InVars {~M~0=v_~M~0_4, thread3Thread1of1ForFork3_~i~2=v_thread3Thread1of1ForFork3_~i~2_3} OutVars{~M~0=v_~M~0_4, thread3Thread1of1ForFork3_~i~2=v_thread3Thread1of1ForFork3_~i~2_3} AuxVars[] AssignedVars[] 1676665#[$Ultimate##0, L91-4, $Ultimate##0, L63]don't care [348] L63-->L65: Formula: (= (+ v_~counter2~0_17 1) v_~counter2~0_16) InVars {~counter2~0=v_~counter2~0_17} OutVars{~counter2~0=v_~counter2~0_16, thread3Thread1of1ForFork3_#t~post6=|v_thread3Thread1of1ForFork3_#t~post6_1|} AuxVars[] AssignedVars[~counter2~0, thread3Thread1of1ForFork3_#t~post6] 1582301#[$Ultimate##0, L91-4, $Ultimate##0, L65]don't care [350] L65-->L62-2: Formula: (= v_thread3Thread1of1ForFork3_~i~2_7 |v_thread3Thread1of1ForFork3_#t~post5_1|) InVars {thread3Thread1of1ForFork3_~i~2=v_thread3Thread1of1ForFork3_~i~2_7} OutVars{thread3Thread1of1ForFork3_#t~post5=|v_thread3Thread1of1ForFork3_#t~post5_1|, thread3Thread1of1ForFork3_~i~2=v_thread3Thread1of1ForFork3_~i~2_7} AuxVars[] AssignedVars[thread3Thread1of1ForFork3_#t~post5] 1582309#[$Ultimate##0, L91-4, $Ultimate##0, L62-2]don't care [352] L62-2-->L62-3: Formula: (= v_thread3Thread1of1ForFork3_~i~2_9 (+ |v_thread3Thread1of1ForFork3_#t~post5_3| 1)) InVars {thread3Thread1of1ForFork3_#t~post5=|v_thread3Thread1of1ForFork3_#t~post5_3|} OutVars{thread3Thread1of1ForFork3_#t~post5=|v_thread3Thread1of1ForFork3_#t~post5_3|, thread3Thread1of1ForFork3_~i~2=v_thread3Thread1of1ForFork3_~i~2_9} AuxVars[] AssignedVars[thread3Thread1of1ForFork3_~i~2] 1652751#[$Ultimate##0, L91-4, $Ultimate##0, L62-3]don't care [353] L62-3-->L62-4: Formula: true InVars {} OutVars{thread3Thread1of1ForFork3_#t~post5=|v_thread3Thread1of1ForFork3_#t~post5_5|} AuxVars[] AssignedVars[thread3Thread1of1ForFork3_#t~post5] 1567009#[$Ultimate##0, L91-4, $Ultimate##0, L62-4]don't care [2023-08-18 16:50:39,741 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:50:39,742 INFO L85 PathProgramCache]: Analyzing trace with hash -299103970, now seen corresponding path program 1 times [2023-08-18 16:50:39,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:50:39,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431002727] [2023-08-18 16:50:39,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:50:39,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:50:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:50:39,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:50:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:50:39,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:50:39,837 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:50:39,838 INFO L85 PathProgramCache]: Analyzing trace with hash 357958779, now seen corresponding path program 1 times [2023-08-18 16:50:39,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:50:39,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286560501] [2023-08-18 16:50:39,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:50:39,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:50:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:50:39,841 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:50:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:50:39,860 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:50:39,860 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:50:39,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1346099842, now seen corresponding path program 1 times [2023-08-18 16:50:39,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-18 16:50:39,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116882397] [2023-08-18 16:50:39,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-18 16:50:39,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-18 16:50:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:50:39,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-18 16:50:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-18 16:50:39,933 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-18 16:50:39,952 INFO L210 LassoAnalysis]: Preferences: [2023-08-18 16:50:39,952 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-08-18 16:50:39,952 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-08-18 16:50:39,952 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-08-18 16:50:39,952 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-08-18 16:50:39,952 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:50:39,952 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-08-18 16:50:39,952 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-08-18 16:50:39,952 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration4_Loop [2023-08-18 16:50:39,952 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-08-18 16:50:39,952 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-08-18 16:50:39,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:39,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:39,973 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:39,975 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:39,977 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:39,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:39,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:39,997 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:40,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:40,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:40,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:40,010 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:40,121 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-08-18 16:50:40,122 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-08-18 16:50:40,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:50:40,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:50:40,133 INFO L229 MonitoredProcess]: Starting monitored process 63 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) [2023-08-18 16:50:40,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-08-18 16:50:40,187 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:50:40,188 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:50:40,205 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:50:40,205 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.base_7=-1} Honda state: {v_rep#funAddr~thread4.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:50:40,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-08-18 16:50:40,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:50:40,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:50:40,219 INFO L229 MonitoredProcess]: Starting monitored process 64 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) [2023-08-18 16:50:40,230 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:50:40,230 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:50:40,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-08-18 16:50:40,250 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:50:40,250 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread3.base_7=-1} Honda state: {v_rep#funAddr~thread3.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:50:40,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-08-18 16:50:40,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:50:40,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:50:40,256 INFO L229 MonitoredProcess]: Starting monitored process 65 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) [2023-08-18 16:50:40,261 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:50:40,262 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:50:40,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-08-18 16:50:40,281 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:50:40,281 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread1.base_7=-1} Honda state: {v_rep#funAddr~thread1.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:50:40,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2023-08-18 16:50:40,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:50:40,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:50:40,286 INFO L229 MonitoredProcess]: Starting monitored process 66 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) [2023-08-18 16:50:40,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:50:40,293 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:50:40,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-08-18 16:50:40,317 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:50:40,317 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread2.base_7=-1} Honda state: {v_rep#funAddr~thread2.base_7=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:50:40,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2023-08-18 16:50:40,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:50:40,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:50:40,323 INFO L229 MonitoredProcess]: Starting monitored process 67 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) [2023-08-18 16:50:40,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:50:40,329 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:50:40,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-08-18 16:50:40,349 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-08-18 16:50:40,349 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep#funAddr~thread4.offset_7=3} Honda state: {v_rep#funAddr~thread4.offset_7=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-08-18 16:50:40,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2023-08-18 16:50:40,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:50:40,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:50:40,354 INFO L229 MonitoredProcess]: Starting monitored process 68 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) [2023-08-18 16:50:40,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-08-18 16:50:40,358 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-08-18 16:50:40,358 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:50:40,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2023-08-18 16:50:40,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:50:40,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:50:40,384 INFO L229 MonitoredProcess]: Starting monitored process 69 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) [2023-08-18 16:50:40,393 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-08-18 16:50:40,394 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-08-18 16:50:40,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-08-18 16:50:40,537 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-08-18 16:50:40,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2023-08-18 16:50:40,542 INFO L210 LassoAnalysis]: Preferences: [2023-08-18 16:50:40,542 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-08-18 16:50:40,542 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-08-18 16:50:40,542 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-08-18 16:50:40,542 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-08-18 16:50:40,542 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:50:40,542 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-08-18 16:50:40,542 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-08-18 16:50:40,542 INFO L133 ssoRankerPreferences]: Filename of dumped script: popl20-difference-det.wvr.c_BEv2_Iteration4_Loop [2023-08-18 16:50:40,542 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-08-18 16:50:40,542 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-08-18 16:50:40,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:40,549 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:40,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:40,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:40,569 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:40,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:40,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:40,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:40,580 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:40,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:40,597 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:40,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-08-18 16:50:40,696 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-08-18 16:50:40,696 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-08-18 16:50:40,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:50:40,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:50:40,713 INFO L229 MonitoredProcess]: Starting monitored process 70 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) [2023-08-18 16:50:40,730 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 [2023-08-18 16:50:40,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:50:40,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:50:40,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:50:40,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:50:40,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:50:40,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:50:40,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-08-18 16:50:40,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:50:40,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2023-08-18 16:50:40,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:50:40,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:50:40,794 INFO L229 MonitoredProcess]: Starting monitored process 71 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) [2023-08-18 16:50:40,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-08-18 16:50:40,805 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 [2023-08-18 16:50:40,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:50:40,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:50:40,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:50:40,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:50:40,819 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:50:40,819 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:50:40,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:50:40,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2023-08-18 16:50:40,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:50:40,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:50:40,833 INFO L229 MonitoredProcess]: Starting monitored process 72 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) [2023-08-18 16:50:40,839 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 [2023-08-18 16:50:40,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:50:40,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:50:40,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:50:40,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:50:40,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:50:40,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:50:40,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-08-18 16:50:40,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:50:40,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2023-08-18 16:50:40,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:50:40,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:50:40,865 INFO L229 MonitoredProcess]: Starting monitored process 73 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) [2023-08-18 16:50:40,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-08-18 16:50:40,869 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 [2023-08-18 16:50:40,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:50:40,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:50:40,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:50:40,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:50:40,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:50:40,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:50:40,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:50:40,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2023-08-18 16:50:40,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:50:40,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:50:40,965 INFO L229 MonitoredProcess]: Starting monitored process 74 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) [2023-08-18 16:50:40,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-08-18 16:50:40,995 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 [2023-08-18 16:50:41,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:50:41,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:50:41,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:50:41,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:50:41,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:50:41,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:50:41,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:50:41,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2023-08-18 16:50:41,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:50:41,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:50:41,079 INFO L229 MonitoredProcess]: Starting monitored process 75 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) [2023-08-18 16:50:41,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-08-18 16:50:41,084 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 [2023-08-18 16:50:41,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:50:41,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:50:41,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:50:41,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:50:41,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-08-18 16:50:41,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-08-18 16:50:41,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-08-18 16:50:41,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2023-08-18 16:50:41,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:50:41,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:50:41,151 INFO L229 MonitoredProcess]: Starting monitored process 76 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) [2023-08-18 16:50:41,166 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 [2023-08-18 16:50:41,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-08-18 16:50:41,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-08-18 16:50:41,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-08-18 16:50:41,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-08-18 16:50:41,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-08-18 16:50:41,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-08-18 16:50:41,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-08-18 16:50:41,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-08-18 16:50:41,185 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-08-18 16:50:41,198 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-08-18 16:50:41,198 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-08-18 16:50:41,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-08-18 16:50:41,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-18 16:50:41,201 INFO L229 MonitoredProcess]: Starting monitored process 77 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) [2023-08-18 16:50:41,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-08-18 16:50:41,205 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-08-18 16:50:41,205 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-08-18 16:50:41,205 INFO L513 LassoAnalysis]: Proved termination. [2023-08-18 16:50:41,205 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(thread3Thread1of1ForFork3_~i~2, ~M~0) = -1*thread3Thread1of1ForFork3_~i~2 + 1*~M~0 Supporting invariants [] [2023-08-18 16:50:41,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2023-08-18 16:50:41,210 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-08-18 16:50:41,223 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-18 16:50:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:50:41,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 2 conjunts are in the unsatisfiable core [2023-08-18 16:50:41,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:50:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-18 16:50:41,354 WARN L260 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2023-08-18 16:50:41,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-18 16:50:41,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-18 16:50:41,400 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 [2023-08-18 16:50:41,400 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 140290 states and 739335 transitions. cyclomatic complexity: 608671 Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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) [2023-08-18 16:50:42,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0