/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -i ../sv-benchmarks/c/weaver/chl/chromosome-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-06 16:47:51,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-06 16:47:51,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-06 16:47:51,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-06 16:47:51,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-06 16:47:51,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-06 16:47:51,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-06 16:47:51,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-06 16:47:51,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-06 16:47:51,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-06 16:47:51,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-06 16:47:51,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-06 16:47:51,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-06 16:47:51,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-06 16:47:51,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-06 16:47:51,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-06 16:47:51,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-06 16:47:51,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-06 16:47:51,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-06 16:47:51,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-06 16:47:51,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-06 16:47:51,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-06 16:47:51,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-06 16:47:51,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-06 16:47:51,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-06 16:47:51,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-06 16:47:51,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-06 16:47:51,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-06 16:47:51,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-06 16:47:51,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-06 16:47:51,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-06 16:47:51,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-06 16:47:51,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-06 16:47:51,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-06 16:47:51,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-06 16:47:51,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-06 16:47:51,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-06 16:47:51,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-06 16:47:51,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-06 16:47:51,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-06 16:47:51,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-06 16:47:51,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-10-06 16:47:51,726 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-06 16:47:51,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-06 16:47:51,727 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-06 16:47:51,727 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-06 16:47:51,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-06 16:47:51,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-06 16:47:51,731 INFO L138 SettingsManager]: * Use SBE=true [2021-10-06 16:47:51,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-06 16:47:51,732 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-06 16:47:51,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-06 16:47:51,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-06 16:47:51,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-06 16:47:51,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-06 16:47:51,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-06 16:47:51,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-06 16:47:51,734 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-06 16:47:51,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-06 16:47:51,735 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-06 16:47:51,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-06 16:47:51,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-06 16:47:51,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-06 16:47:51,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-06 16:47:51,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-06 16:47:51,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 16:47:51,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-06 16:47:51,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-06 16:47:51,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-06 16:47:51,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-06 16:47:51,737 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-06 16:47:51,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-06 16:47:51,737 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-06 16:47:51,737 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-06 16:47:51,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-06 16:47:51,738 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-06 16:47:51,738 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-06 16:47:51,738 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-06 16:47:52,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-06 16:47:52,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-06 16:47:52,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-06 16:47:52,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-06 16:47:52,213 INFO L275 PluginConnector]: CDTParser initialized [2021-10-06 16:47:52,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl/chromosome-subst.wvr.c [2021-10-06 16:47:52,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4e6204860/cd4b325bf9784348b987a26e68aff487/FLAG526e0ba33 [2021-10-06 16:47:52,889 INFO L306 CDTParser]: Found 1 translation units. [2021-10-06 16:47:52,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/chromosome-subst.wvr.c [2021-10-06 16:47:52,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4e6204860/cd4b325bf9784348b987a26e68aff487/FLAG526e0ba33 [2021-10-06 16:47:53,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4e6204860/cd4b325bf9784348b987a26e68aff487 [2021-10-06 16:47:53,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-06 16:47:53,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-06 16:47:53,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-06 16:47:53,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-06 16:47:53,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-06 16:47:53,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:47:53" (1/1) ... [2021-10-06 16:47:53,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337d13c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:47:53, skipping insertion in model container [2021-10-06 16:47:53,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:47:53" (1/1) ... [2021-10-06 16:47:53,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-06 16:47:53,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 16:47:53,699 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/chromosome-subst.wvr.c[2608,2621] [2021-10-06 16:47:53,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 16:47:53,730 INFO L203 MainTranslator]: Completed pre-run [2021-10-06 16:47:53,758 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl/chromosome-subst.wvr.c[2608,2621] [2021-10-06 16:47:53,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 16:47:53,778 INFO L208 MainTranslator]: Completed translation [2021-10-06 16:47:53,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:47:53 WrapperNode [2021-10-06 16:47:53,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-06 16:47:53,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-06 16:47:53,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-06 16:47:53,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-06 16:47:53,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:47:53" (1/1) ... [2021-10-06 16:47:53,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:47:53" (1/1) ... [2021-10-06 16:47:53,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-06 16:47:53,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-06 16:47:53,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-06 16:47:53,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-06 16:47:53,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:47:53" (1/1) ... [2021-10-06 16:47:53,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:47:53" (1/1) ... [2021-10-06 16:47:53,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:47:53" (1/1) ... [2021-10-06 16:47:53,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:47:53" (1/1) ... [2021-10-06 16:47:53,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:47:53" (1/1) ... [2021-10-06 16:47:53,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:47:53" (1/1) ... [2021-10-06 16:47:53,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:47:53" (1/1) ... [2021-10-06 16:47:53,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-06 16:47:53,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-06 16:47:53,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-06 16:47:53,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-06 16:47:53,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:47:53" (1/1) ... [2021-10-06 16:47:53,946 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 16:47:53,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:47:53,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-06 16:47:54,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-06 16:47:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-06 16:47:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-06 16:47:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-06 16:47:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-06 16:47:54,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-06 16:47:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-06 16:47:54,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-06 16:47:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-06 16:47:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-06 16:47:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-06 16:47:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-06 16:47:54,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-06 16:47:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-06 16:47:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-06 16:47:54,067 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-06 16:47:54,631 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-06 16:47:54,632 INFO L299 CfgBuilder]: Removed 32 assume(true) statements. [2021-10-06 16:47:54,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:47:54 BoogieIcfgContainer [2021-10-06 16:47:54,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-06 16:47:54,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-06 16:47:54,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-06 16:47:54,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-06 16:47:54,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 04:47:53" (1/3) ... [2021-10-06 16:47:54,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad5f95b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:47:54, skipping insertion in model container [2021-10-06 16:47:54,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:47:53" (2/3) ... [2021-10-06 16:47:54,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad5f95b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:47:54, skipping insertion in model container [2021-10-06 16:47:54,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:47:54" (3/3) ... [2021-10-06 16:47:54,644 INFO L111 eAbstractionObserver]: Analyzing ICFG chromosome-subst.wvr.c [2021-10-06 16:47:54,650 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-06 16:47:54,650 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-06 16:47:54,651 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-06 16:47:54,651 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-06 16:47:54,710 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,711 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,711 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,711 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,711 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,712 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,712 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,712 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,712 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,712 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,713 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,716 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,716 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,716 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,717 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,717 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,717 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,718 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,718 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,718 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,718 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,719 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,719 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,719 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,719 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,720 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,720 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,720 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,721 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,721 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,721 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,721 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,721 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,722 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,725 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,725 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,726 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,726 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,726 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,726 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,727 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,727 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,727 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,727 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,728 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,728 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,728 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,729 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,729 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,729 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,729 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,730 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,730 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,730 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,730 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,731 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,731 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,731 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,731 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,732 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,732 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,732 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,733 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,733 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,733 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,733 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,739 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,740 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,740 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,740 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,741 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,741 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,741 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,741 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,743 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,749 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,749 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,750 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,750 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,750 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,750 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,751 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,751 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,751 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,751 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,752 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,754 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,755 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,755 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,756 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,756 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,756 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,757 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,759 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,760 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,760 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,760 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,761 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,761 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,761 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,761 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,762 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,762 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,762 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,762 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,763 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,763 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,763 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,763 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,764 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,769 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,769 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,770 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,770 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,770 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,770 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,771 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,772 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,772 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,772 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,773 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,773 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,773 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,773 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,774 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,775 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,776 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,776 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,776 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,776 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,777 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,777 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,787 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,787 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,787 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,788 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,788 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,788 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,788 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,789 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,795 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,795 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,795 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,795 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,796 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,796 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,796 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,796 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,798 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,799 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,799 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,799 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,799 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,800 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,800 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,800 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:47:54,811 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-06 16:47:54,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-06 16:47:54,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:47:54,867 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-06 16:47:54,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-06 16:47:54,914 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-06 16:47:54,922 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-06 16:47:54,923 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-06 16:47:55,371 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:47:55,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:47:55,384 INFO L82 PathProgramCache]: Analyzing trace with hash 392330842, now seen corresponding path program 1 times [2021-10-06 16:47:55,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:47:55,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706034688] [2021-10-06 16:47:55,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:47:55,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:47:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:47:55,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:47:55,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:47:55,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706034688] [2021-10-06 16:47:55,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706034688] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:47:55,755 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:47:55,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-06 16:47:55,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136313403] [2021-10-06 16:47:55,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-06 16:47:55,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:47:55,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-06 16:47:55,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-06 16:47:55,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:47:55,784 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:47:55,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 71.0) internal successors, (142), 2 states have internal predecessors, (142), 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) [2021-10-06 16:47:55,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:47:55,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:47:55,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-06 16:47:55,870 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:47:55,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:47:55,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1865909291, now seen corresponding path program 1 times [2021-10-06 16:47:55,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:47:55,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153715301] [2021-10-06 16:47:55,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:47:55,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:47:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:47:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-06 16:47:56,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:47:56,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153715301] [2021-10-06 16:47:56,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153715301] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:47:56,191 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:47:56,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-06 16:47:56,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452751387] [2021-10-06 16:47:56,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-06 16:47:56,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:47:56,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-06 16:47:56,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-06 16:47:56,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:47:56,199 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:47:56,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 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) [2021-10-06 16:47:56,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:47:56,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:47:56,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:47:56,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:47:56,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-06 16:47:56,349 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:47:56,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:47:56,350 INFO L82 PathProgramCache]: Analyzing trace with hash -2097897239, now seen corresponding path program 1 times [2021-10-06 16:47:56,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:47:56,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774586168] [2021-10-06 16:47:56,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:47:56,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:47:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:47:56,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-06 16:47:56,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:47:56,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774586168] [2021-10-06 16:47:56,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774586168] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:47:56,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22325890] [2021-10-06 16:47:56,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:47:56,524 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:47:56,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:47:56,534 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:47:56,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-06 16:47:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:47:56,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-06 16:47:56,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:47:57,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-06 16:47:57,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22325890] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:47:57,233 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:47:57,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-10-06 16:47:57,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966010650] [2021-10-06 16:47:57,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-06 16:47:57,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:47:57,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-06 16:47:57,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-10-06 16:47:57,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:47:57,237 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:47:57,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.4) internal successors, (164), 10 states have internal predecessors, (164), 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) [2021-10-06 16:47:57,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:47:57,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:47:57,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:47:57,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:47:57,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:47:57,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:47:57,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-06 16:47:57,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:47:57,674 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:47:57,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:47:57,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1198508373, now seen corresponding path program 2 times [2021-10-06 16:47:57,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:47:57,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19215048] [2021-10-06 16:47:57,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:47:57,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:47:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:47:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-06 16:47:57,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:47:57,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19215048] [2021-10-06 16:47:57,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19215048] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:47:57,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299381799] [2021-10-06 16:47:57,926 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-06 16:47:57,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:47:57,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:47:57,929 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:47:57,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-06 16:47:58,125 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-06 16:47:58,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 16:47:58,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-06 16:47:58,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:47:58,631 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-06 16:47:58,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299381799] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:47:58,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-06 16:47:58,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2021-10-06 16:47:58,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281525032] [2021-10-06 16:47:58,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-06 16:47:58,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:47:58,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-06 16:47:58,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-10-06 16:47:58,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:47:58,637 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:47:58,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.833333333333332) internal successors, (155), 6 states have internal predecessors, (155), 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) [2021-10-06 16:47:58,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:47:58,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:47:58,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:47:58,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:47:58,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:47:58,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:47:58,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:47:58,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:47:58,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-06 16:47:59,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:47:59,089 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:47:59,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:47:59,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1195870193, now seen corresponding path program 1 times [2021-10-06 16:47:59,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:47:59,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57105608] [2021-10-06 16:47:59,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:47:59,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:47:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:47:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-06 16:47:59,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:47:59,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57105608] [2021-10-06 16:47:59,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57105608] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:47:59,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274498649] [2021-10-06 16:47:59,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:47:59,208 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:47:59,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:47:59,210 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:47:59,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-06 16:47:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:47:59,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-06 16:47:59,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:47:59,922 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-06 16:47:59,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274498649] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:47:59,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:47:59,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2021-10-06 16:47:59,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149802390] [2021-10-06 16:47:59,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-06 16:47:59,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:47:59,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-06 16:47:59,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2021-10-06 16:47:59,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:47:59,926 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:47:59,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.142857142857142) internal successors, (184), 14 states have internal predecessors, (184), 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) [2021-10-06 16:47:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:47:59,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:47:59,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:47:59,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:47:59,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:00,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:00,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:00,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:00,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:00,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:00,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-06 16:48:00,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:48:00,379 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:48:00,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:00,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1914051205, now seen corresponding path program 2 times [2021-10-06 16:48:00,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:00,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725775669] [2021-10-06 16:48:00,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:00,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:00,544 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-06 16:48:00,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:00,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725775669] [2021-10-06 16:48:00,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725775669] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:00,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156881808] [2021-10-06 16:48:00,546 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-06 16:48:00,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:48:00,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:48:00,547 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:48:00,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-06 16:48:00,770 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-06 16:48:00,770 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 16:48:00,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-06 16:48:00,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:48:01,851 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-10-06 16:48:01,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156881808] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:48:01,852 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-06 16:48:01,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2021-10-06 16:48:01,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708971399] [2021-10-06 16:48:01,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-06 16:48:01,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:01,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-06 16:48:01,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-10-06 16:48:01,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:01,854 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:01,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 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) [2021-10-06 16:48:01,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:01,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:01,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:01,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:01,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:01,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:01,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:01,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:01,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-06 16:48:02,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:48:02,163 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:48:02,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:02,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1436434051, now seen corresponding path program 1 times [2021-10-06 16:48:02,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:02,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936875989] [2021-10-06 16:48:02,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:02,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:02,246 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-10-06 16:48:02,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:02,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936875989] [2021-10-06 16:48:02,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936875989] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:48:02,248 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:48:02,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-06 16:48:02,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707121615] [2021-10-06 16:48:02,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-06 16:48:02,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:02,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-06 16:48:02,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-06 16:48:02,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:02,250 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:02,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 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) [2021-10-06 16:48:02,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:02,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:02,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:02,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:02,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:02,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:02,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:02,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:02,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:02,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:02,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:02,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:02,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:02,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:02,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-06 16:48:02,324 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:48:02,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:02,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1407135557, now seen corresponding path program 1 times [2021-10-06 16:48:02,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:02,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040695530] [2021-10-06 16:48:02,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:02,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:02,447 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-10-06 16:48:02,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:02,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040695530] [2021-10-06 16:48:02,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040695530] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:48:02,452 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:48:02,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-06 16:48:02,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98293653] [2021-10-06 16:48:02,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-06 16:48:02,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:02,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-06 16:48:02,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-06 16:48:02,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:02,459 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:02,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 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) [2021-10-06 16:48:02,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:02,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:02,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:02,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:02,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:02,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:02,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:02,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:02,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:02,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:02,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-06 16:48:02,511 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:48:02,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:02,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1267156879, now seen corresponding path program 1 times [2021-10-06 16:48:02,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:02,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194759482] [2021-10-06 16:48:02,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:02,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:02,693 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-10-06 16:48:02,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:02,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194759482] [2021-10-06 16:48:02,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194759482] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:02,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988356604] [2021-10-06 16:48:02,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:02,695 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:48:02,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:48:02,697 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:48:02,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-06 16:48:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:03,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-06 16:48:03,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:48:03,566 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-10-06 16:48:03,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988356604] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:03,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:48:03,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11] total 15 [2021-10-06 16:48:03,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68837875] [2021-10-06 16:48:03,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-06 16:48:03,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:03,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-06 16:48:03,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-10-06 16:48:03,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:03,576 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:03,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 22.4) internal successors, (336), 15 states have internal predecessors, (336), 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) [2021-10-06 16:48:03,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:03,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:03,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:03,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:03,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:03,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:03,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:03,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:03,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:04,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:04,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:04,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:04,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-06 16:48:04,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:48:04,366 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:48:04,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:04,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1240268471, now seen corresponding path program 2 times [2021-10-06 16:48:04,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:04,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027321049] [2021-10-06 16:48:04,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:04,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:04,535 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-10-06 16:48:04,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:04,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027321049] [2021-10-06 16:48:04,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027321049] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:04,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714580977] [2021-10-06 16:48:04,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-06 16:48:04,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:48:04,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:48:04,538 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:48:04,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-06 16:48:04,946 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-06 16:48:04,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 16:48:04,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-06 16:48:04,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:48:05,588 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-10-06 16:48:05,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714580977] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:05,589 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:48:05,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2021-10-06 16:48:05,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668124409] [2021-10-06 16:48:05,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-06 16:48:05,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:05,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-06 16:48:05,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2021-10-06 16:48:05,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:05,602 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:05,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 10.363636363636363) internal successors, (228), 22 states have internal predecessors, (228), 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) [2021-10-06 16:48:05,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:05,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:05,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:05,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:05,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:05,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:05,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:05,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:05,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:05,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:06,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:06,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:06,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:06,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:06,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:06,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:06,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:06,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:06,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:06,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:48:06,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-06 16:48:06,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-06 16:48:06,296 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:48:06,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:06,297 INFO L82 PathProgramCache]: Analyzing trace with hash 858287307, now seen corresponding path program 3 times [2021-10-06 16:48:06,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:06,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235553623] [2021-10-06 16:48:06,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:06,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:06,474 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-10-06 16:48:06,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:06,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235553623] [2021-10-06 16:48:06,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235553623] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:06,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301153153] [2021-10-06 16:48:06,475 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-06 16:48:06,476 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:48:06,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:48:06,477 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:48:06,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-06 16:48:06,968 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-06 16:48:06,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 16:48:06,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-06 16:48:06,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:48:07,653 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-10-06 16:48:07,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301153153] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:07,654 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:48:07,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2021-10-06 16:48:07,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892180165] [2021-10-06 16:48:07,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-06 16:48:07,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:07,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-06 16:48:07,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-10-06 16:48:07,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:07,657 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:07,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 21.9) internal successors, (219), 10 states have internal predecessors, (219), 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) [2021-10-06 16:48:07,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:07,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:07,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:07,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:07,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:07,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:07,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:07,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:07,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:07,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:48:07,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:07,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:07,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:07,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:07,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:07,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:07,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:07,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:07,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:07,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:07,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:48:07,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:07,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-06 16:48:07,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-06 16:48:07,983 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:48:07,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:07,984 INFO L82 PathProgramCache]: Analyzing trace with hash 49184421, now seen corresponding path program 4 times [2021-10-06 16:48:07,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:07,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984236075] [2021-10-06 16:48:07,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:07,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:08,220 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-10-06 16:48:08,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:08,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984236075] [2021-10-06 16:48:08,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984236075] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:08,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045063313] [2021-10-06 16:48:08,221 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-06 16:48:08,221 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:48:08,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:48:08,222 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:48:08,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-06 16:48:08,766 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-06 16:48:08,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 16:48:08,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 75 conjunts are in the unsatisfiable core [2021-10-06 16:48:08,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:48:08,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-06 16:48:08,909 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-06 16:48:08,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-10-06 16:48:11,567 INFO L354 Elim1Store]: treesize reduction 60, result has 20.0 percent of original size [2021-10-06 16:48:11,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 36 [2021-10-06 16:48:12,628 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-10-06 16:48:12,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 13 [2021-10-06 16:48:12,771 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2021-10-06 16:48:12,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045063313] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:48:12,772 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-06 16:48:12,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [10] total 41 [2021-10-06 16:48:12,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804860932] [2021-10-06 16:48:12,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-10-06 16:48:12,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:12,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-10-06 16:48:12,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1525, Unknown=0, NotChecked=0, Total=1640 [2021-10-06 16:48:12,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:12,778 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:12,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.575757575757576) internal successors, (184), 33 states have internal predecessors, (184), 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) [2021-10-06 16:48:12,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:12,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:12,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:12,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:12,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:12,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:12,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:12,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:12,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:12,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:48:12,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:12,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:16,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:16,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:16,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:16,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:16,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:16,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:16,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:16,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:16,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:16,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:48:16,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:16,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-10-06 16:48:16,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-06 16:48:17,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:48:17,017 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:48:17,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:17,018 INFO L82 PathProgramCache]: Analyzing trace with hash -768810331, now seen corresponding path program 1 times [2021-10-06 16:48:17,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:17,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378630911] [2021-10-06 16:48:17,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:17,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:17,148 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-10-06 16:48:17,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:17,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378630911] [2021-10-06 16:48:17,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378630911] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:17,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148259708] [2021-10-06 16:48:17,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:17,149 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:48:17,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:48:17,150 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:48:17,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-06 16:48:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:17,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-06 16:48:17,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:48:18,530 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-10-06 16:48:18,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148259708] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:18,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:48:18,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-10-06 16:48:18,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395994324] [2021-10-06 16:48:18,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-06 16:48:18,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:18,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-06 16:48:18,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-10-06 16:48:18,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:18,534 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:18,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 24.11111111111111) internal successors, (217), 9 states have internal predecessors, (217), 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) [2021-10-06 16:48:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:18,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:18,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:18,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:18,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:18,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:48:18,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:18,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-10-06 16:48:18,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:18,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:18,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:18,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:18,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:48:18,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:18,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-06 16:48:18,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:18,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-06 16:48:18,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-06 16:48:18,950 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:48:18,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:18,951 INFO L82 PathProgramCache]: Analyzing trace with hash 2028078601, now seen corresponding path program 1 times [2021-10-06 16:48:18,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:18,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620600006] [2021-10-06 16:48:18,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:18,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:19,230 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-10-06 16:48:19,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:19,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620600006] [2021-10-06 16:48:19,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620600006] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-06 16:48:19,231 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-06 16:48:19,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-06 16:48:19,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554126253] [2021-10-06 16:48:19,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-06 16:48:19,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:19,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-06 16:48:19,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-06 16:48:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:19,258 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:19,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 7 states have internal predecessors, (180), 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) [2021-10-06 16:48:19,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:19,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:19,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:19,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:19,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:19,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:19,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:19,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:19,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:19,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:48:19,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:19,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-06 16:48:19,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:19,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:19,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:19,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:19,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:19,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:19,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:19,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:48:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-06 16:48:19,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:19,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:19,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-06 16:48:19,429 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:48:19,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:19,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1178220435, now seen corresponding path program 2 times [2021-10-06 16:48:19,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:19,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601637363] [2021-10-06 16:48:19,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:19,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:19,588 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-10-06 16:48:19,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:19,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601637363] [2021-10-06 16:48:19,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601637363] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:19,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557332279] [2021-10-06 16:48:19,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-06 16:48:19,589 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:48:19,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:48:19,590 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:48:19,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-06 16:48:20,403 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-06 16:48:20,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 16:48:20,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-06 16:48:20,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:48:21,147 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-10-06 16:48:21,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557332279] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:21,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:48:21,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-10-06 16:48:21,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709744092] [2021-10-06 16:48:21,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-06 16:48:21,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:21,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-06 16:48:21,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-10-06 16:48:21,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:21,153 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:21,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 20.636363636363637) internal successors, (227), 11 states have internal predecessors, (227), 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) [2021-10-06 16:48:21,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:21,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:21,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:21,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:21,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:21,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:48:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-06 16:48:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:21,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:21,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:21,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:21,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:21,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:21,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:21,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:21,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:21,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:21,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:21,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:48:21,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:21,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-06 16:48:21,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:21,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:21,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:21,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-10-06 16:48:21,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:48:21,488 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:48:21,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:21,490 INFO L82 PathProgramCache]: Analyzing trace with hash 165512473, now seen corresponding path program 3 times [2021-10-06 16:48:21,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:21,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409118270] [2021-10-06 16:48:21,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:21,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:21,720 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-10-06 16:48:21,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:21,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409118270] [2021-10-06 16:48:21,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409118270] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:21,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550283254] [2021-10-06 16:48:21,722 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-06 16:48:21,722 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:48:21,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:48:21,723 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:48:21,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-06 16:48:22,640 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-06 16:48:22,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 16:48:22,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-06 16:48:22,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:48:23,418 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-10-06 16:48:23,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550283254] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:23,419 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:48:23,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 13 [2021-10-06 16:48:23,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26729056] [2021-10-06 16:48:23,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-06 16:48:23,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:23,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-06 16:48:23,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-10-06 16:48:23,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:23,423 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:23,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 18.23076923076923) internal successors, (237), 13 states have internal predecessors, (237), 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) [2021-10-06 16:48:23,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:23,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:23,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:48:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:23,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-06 16:48:23,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:23,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:23,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:23,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:23,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:23,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:23,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:23,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:23,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:23,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:23,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:23,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:23,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:23,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:48:23,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:23,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-06 16:48:23,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:23,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:23,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:23,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-06 16:48:23,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-06 16:48:23,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-06 16:48:23,797 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:48:23,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:23,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1757797601, now seen corresponding path program 4 times [2021-10-06 16:48:23,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:23,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975934228] [2021-10-06 16:48:23,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:23,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:24,068 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-10-06 16:48:24,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:24,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975934228] [2021-10-06 16:48:24,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975934228] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:24,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755634533] [2021-10-06 16:48:24,069 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-06 16:48:24,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:48:24,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:48:24,070 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:48:24,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-06 16:48:25,057 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-06 16:48:25,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 16:48:25,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 77 conjunts are in the unsatisfiable core [2021-10-06 16:48:25,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:48:25,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-10-06 16:48:25,195 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-06 16:48:25,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-10-06 16:48:28,695 INFO L354 Elim1Store]: treesize reduction 56, result has 21.1 percent of original size [2021-10-06 16:48:28,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 36 [2021-10-06 16:48:29,859 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-10-06 16:48:29,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 22 [2021-10-06 16:48:30,021 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2021-10-06 16:48:30,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755634533] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:30,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:48:30,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 33] total 43 [2021-10-06 16:48:30,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675159910] [2021-10-06 16:48:30,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-10-06 16:48:30,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:30,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-10-06 16:48:30,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1678, Unknown=0, NotChecked=0, Total=1806 [2021-10-06 16:48:30,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:30,026 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:30,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 8.44186046511628) internal successors, (363), 43 states have internal predecessors, (363), 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) [2021-10-06 16:48:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:30,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:48:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-06 16:48:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-06 16:48:30,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:36,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:36,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:36,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:36,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:36,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:36,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:36,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:36,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:36,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:36,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:48:36,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:36,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-06 16:48:36,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:36,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:36,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:36,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-06 16:48:36,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-06 16:48:36,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-06 16:48:36,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-10-06 16:48:36,814 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:48:36,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:36,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1715338339, now seen corresponding path program 1 times [2021-10-06 16:48:36,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:36,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872254010] [2021-10-06 16:48:36,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:36,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:37,064 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-10-06 16:48:37,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:37,064 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872254010] [2021-10-06 16:48:37,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872254010] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:37,065 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283160877] [2021-10-06 16:48:37,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:37,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:48:37,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:48:37,067 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:48:37,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-06 16:48:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:38,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-06 16:48:38,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:48:39,113 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-10-06 16:48:39,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283160877] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:39,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:48:39,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 12 [2021-10-06 16:48:39,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497988193] [2021-10-06 16:48:39,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-06 16:48:39,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:39,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-06 16:48:39,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-06 16:48:39,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:39,116 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:39,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 19.75) internal successors, (237), 12 states have internal predecessors, (237), 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) [2021-10-06 16:48:39,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:39,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:39,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:39,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:39,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:39,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:39,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:39,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:39,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:39,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:48:39,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:39,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-06 16:48:39,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:39,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:39,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:39,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-06 16:48:39,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-10-06 16:48:39,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:39,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:39,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:39,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:39,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:39,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:39,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:39,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:39,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:39,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:39,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:48:39,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:39,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-06 16:48:39,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:39,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:39,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:39,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-06 16:48:39,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-06 16:48:39,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-06 16:48:39,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-06 16:48:39,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-06 16:48:39,506 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:48:39,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:39,507 INFO L82 PathProgramCache]: Analyzing trace with hash -492882185, now seen corresponding path program 2 times [2021-10-06 16:48:39,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:39,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126749526] [2021-10-06 16:48:39,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:39,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-06 16:48:39,786 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 1 proven. 67 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-10-06 16:48:39,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-06 16:48:39,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126749526] [2021-10-06 16:48:39,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126749526] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:39,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877134363] [2021-10-06 16:48:39,788 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-06 16:48:39,788 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:48:39,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:48:39,790 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-06 16:48:39,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-06 16:48:41,122 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-06 16:48:41,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-06 16:48:41,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-06 16:48:41,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-06 16:48:41,922 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 4 proven. 67 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-10-06 16:48:41,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877134363] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-06 16:48:41,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-06 16:48:41,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 15 [2021-10-06 16:48:41,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069261338] [2021-10-06 16:48:41,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-06 16:48:41,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-06 16:48:41,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-06 16:48:41,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-10-06 16:48:41,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:41,930 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-06 16:48:41,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 16.733333333333334) internal successors, (251), 15 states have internal predecessors, (251), 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) [2021-10-06 16:48:41,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:41,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:41,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:41,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:41,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:41,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:41,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:41,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:41,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:41,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:48:41,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:41,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-10-06 16:48:41,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:41,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:41,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:41,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-06 16:48:41,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-10-06 16:48:41,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-06 16:48:41,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:42,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-06 16:48:42,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-06 16:48:42,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:42,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-06 16:48:42,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-06 16:48:42,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:42,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:42,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-06 16:48:42,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-06 16:48:42,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-06 16:48:42,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:42,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-10-06 16:48:42,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-06 16:48:42,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-06 16:48:42,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-06 16:48:42,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-06 16:48:42,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-10-06 16:48:42,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-06 16:48:42,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-06 16:48:42,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-10-06 16:48:42,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-06 16:48:42,369 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-10-06 16:48:42,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 16:48:42,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1665106385, now seen corresponding path program 3 times [2021-10-06 16:48:42,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-06 16:48:42,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277209491] [2021-10-06 16:48:42,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 16:48:42,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-06 16:48:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-06 16:48:42,678 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-06 16:48:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-06 16:48:43,140 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-06 16:48:43,140 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-06 16:48:43,141 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-06 16:48:43,143 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-06 16:48:43,144 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-06 16:48:43,144 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-06 16:48:43,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-06 16:48:43,157 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-06 16:48:43,157 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-06 16:48:43,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 04:48:43 BasicIcfg [2021-10-06 16:48:43,447 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-06 16:48:43,448 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-06 16:48:43,448 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-06 16:48:43,448 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-06 16:48:43,449 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:47:54" (3/4) ... [2021-10-06 16:48:43,451 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-06 16:48:43,635 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/chl/chromosome-subst.wvr.c-witness.graphml [2021-10-06 16:48:43,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-06 16:48:43,636 INFO L168 Benchmark]: Toolchain (without parser) took 50305.22 ms. Allocated memory was 151.0 MB in the beginning and 388.0 MB in the end (delta: 237.0 MB). Free memory was 124.0 MB in the beginning and 131.5 MB in the end (delta: -7.6 MB). Peak memory consumption was 230.4 MB. Max. memory is 8.0 GB. [2021-10-06 16:48:43,637 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 123.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-06 16:48:43,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.38 ms. Allocated memory is still 151.0 MB. Free memory was 123.8 MB in the beginning and 112.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-06 16:48:43,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.05 ms. Allocated memory is still 151.0 MB. Free memory was 112.8 MB in the beginning and 110.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-06 16:48:43,638 INFO L168 Benchmark]: Boogie Preprocessor took 81.32 ms. Allocated memory is still 151.0 MB. Free memory was 110.7 MB in the beginning and 108.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-06 16:48:43,638 INFO L168 Benchmark]: RCFGBuilder took 713.58 ms. Allocated memory is still 151.0 MB. Free memory was 108.9 MB in the beginning and 91.5 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-10-06 16:48:43,639 INFO L168 Benchmark]: TraceAbstraction took 48810.48 ms. Allocated memory was 151.0 MB in the beginning and 388.0 MB in the end (delta: 237.0 MB). Free memory was 90.9 MB in the beginning and 203.4 MB in the end (delta: -112.5 MB). Peak memory consumption was 262.9 MB. Max. memory is 8.0 GB. [2021-10-06 16:48:43,639 INFO L168 Benchmark]: Witness Printer took 187.70 ms. Allocated memory is still 388.0 MB. Free memory was 203.4 MB in the beginning and 131.5 MB in the end (delta: 71.9 MB). Peak memory consumption was 72.4 MB. Max. memory is 8.0 GB. [2021-10-06 16:48:43,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 123.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 437.38 ms. Allocated memory is still 151.0 MB. Free memory was 123.8 MB in the beginning and 112.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 55.05 ms. Allocated memory is still 151.0 MB. Free memory was 112.8 MB in the beginning and 110.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 81.32 ms. Allocated memory is still 151.0 MB. Free memory was 110.7 MB in the beginning and 108.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 713.58 ms. Allocated memory is still 151.0 MB. Free memory was 108.9 MB in the beginning and 91.5 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 48810.48 ms. Allocated memory was 151.0 MB in the beginning and 388.0 MB in the end (delta: 237.0 MB). Free memory was 90.9 MB in the beginning and 203.4 MB in the end (delta: -112.5 MB). Peak memory consumption was 262.9 MB. Max. memory is 8.0 GB. * Witness Printer took 187.70 ms. Allocated memory is still 388.0 MB. Free memory was 203.4 MB in the beginning and 131.5 MB in the end (delta: 71.9 MB). Peak memory consumption was 72.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12390, positive: 10267, positive conditional: 5066, positive unconditional: 5201, negative: 2123, negative conditional: 2107, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10295, positive: 10267, positive conditional: 5066, positive unconditional: 5201, negative: 28, negative conditional: 12, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10295, positive: 10267, positive conditional: 5066, positive unconditional: 5201, negative: 28, negative conditional: 12, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10319, positive: 10267, positive conditional: 4592, positive unconditional: 5675, negative: 52, negative conditional: 24, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10319, positive: 10267, positive conditional: 990, positive unconditional: 9277, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10319, positive: 10267, positive conditional: 990, positive unconditional: 9277, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4447, positive: 4431, positive conditional: 4, positive unconditional: 4427, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4447, positive: 4431, positive conditional: 0, positive unconditional: 4431, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10319, positive: 5836, positive conditional: 986, positive unconditional: 4850, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 4447, unknown conditional: 4, unknown unconditional: 4443] , Statistics on independence cache: Total cache size (in pairs): 4447, Positive cache size: 4431, Positive conditional cache size: 4, Positive unconditional cache size: 4427, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Eliminated conditions: 3626, Maximal queried relation: 3, Independence queries for same thread: 2095 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 387, Number of persistent set computation: 483, Number of trivial persistent sets: 278, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5217, positive: 5201, positive conditional: 0, positive unconditional: 5201, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12390, positive: 10267, positive conditional: 5066, positive unconditional: 5201, negative: 2123, negative conditional: 2107, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10295, positive: 10267, positive conditional: 5066, positive unconditional: 5201, negative: 28, negative conditional: 12, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10295, positive: 10267, positive conditional: 5066, positive unconditional: 5201, negative: 28, negative conditional: 12, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10319, positive: 10267, positive conditional: 4592, positive unconditional: 5675, negative: 52, negative conditional: 24, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10319, positive: 10267, positive conditional: 990, positive unconditional: 9277, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10319, positive: 10267, positive conditional: 990, positive unconditional: 9277, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4447, positive: 4431, positive conditional: 4, positive unconditional: 4427, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4447, positive: 4431, positive conditional: 0, positive unconditional: 4431, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 136, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10319, positive: 5836, positive conditional: 986, positive unconditional: 4850, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 4447, unknown conditional: 4, unknown unconditional: 4443] , Statistics on independence cache: Total cache size (in pairs): 4447, Positive cache size: 4431, Positive conditional cache size: 4, Positive unconditional cache size: 4427, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Eliminated conditions: 3626, Maximal queried relation: 3, Independence queries for same thread: 2095 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 100]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L38] 0 int *a1, *a2, *a3; VAL [a1={0:0}, a2={0:0}, a3={0:0}] [L39] 0 int res1, res2, res3; VAL [a1={0:0}, a2={0:0}, a3={0:0}, res1=0, res2=0, res3=0] [L40] 0 _Bool isNull1, isNull2, isNull3; VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L81] 0 pthread_t t1, t2, t3; VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L35] COND FALSE 0 !(!cond) VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L106] 0 int* arr = (int*)malloc(sizeof(int) * size); VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] 0 int i = 0; VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] COND TRUE 0 i < size VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L108] 0 arr[i] = __VERIFIER_nondet_int() VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] 0 i++ VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] COND TRUE 0 i < size VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L108] 0 arr[i] = __VERIFIER_nondet_int() VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] 0 i++ VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] COND TRUE 0 i < size VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L108] 0 arr[i] = __VERIFIER_nondet_int() VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] 0 i++ VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] COND TRUE 0 i < size VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L108] 0 arr[i] = __VERIFIER_nondet_int() VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] 0 i++ VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] COND TRUE 0 i < size VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L108] 0 arr[i] = __VERIFIER_nondet_int() VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] 0 i++ VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] COND FALSE 0 !(i < size) VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L110] 0 return arr; VAL [a1={0:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L83] 0 a1 = create_fresh_int_array(5) VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L35] COND FALSE 0 !(!cond) VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L106] 0 int* arr = (int*)malloc(sizeof(int) * size); VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] 0 int i = 0; VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] COND TRUE 0 i < size VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L108] 0 arr[i] = __VERIFIER_nondet_int() VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] 0 i++ VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] COND TRUE 0 i < size VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L108] 0 arr[i] = __VERIFIER_nondet_int() VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] 0 i++ VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] COND TRUE 0 i < size VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L108] 0 arr[i] = __VERIFIER_nondet_int() VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] 0 i++ VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] COND TRUE 0 i < size VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L108] 0 arr[i] = __VERIFIER_nondet_int() VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] 0 i++ VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] COND TRUE 0 i < size VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L108] 0 arr[i] = __VERIFIER_nondet_int() VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] 0 i++ VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] COND FALSE 0 !(i < size) VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L110] 0 return arr; VAL [a1={18:0}, a2={0:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L84] 0 a2 = create_fresh_int_array(5) VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L35] COND FALSE 0 !(!cond) VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L106] 0 int* arr = (int*)malloc(sizeof(int) * size); VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] 0 int i = 0; VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] COND TRUE 0 i < size VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L108] 0 arr[i] = __VERIFIER_nondet_int() VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] 0 i++ VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] COND TRUE 0 i < size VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L108] 0 arr[i] = __VERIFIER_nondet_int() VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] 0 i++ VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] COND TRUE 0 i < size VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L108] 0 arr[i] = __VERIFIER_nondet_int() VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] 0 i++ VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] COND TRUE 0 i < size VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L108] 0 arr[i] = __VERIFIER_nondet_int() VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] 0 i++ VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] COND TRUE 0 i < size VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L108] 0 arr[i] = __VERIFIER_nondet_int() VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] 0 i++ VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L107] COND FALSE 0 !(i < size) VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L110] 0 return arr; VAL [a1={18:0}, a2={22:0}, a3={0:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L85] 0 a3 = create_fresh_int_array(5) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=0, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L86] 0 isNull1 = __VERIFIER_nondet_bool() VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=0, isNull3=0, res1=0, res2=0, res3=0] [L87] 0 isNull2 = __VERIFIER_nondet_bool() VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=0, res1=0, res2=0, res3=0] [L88] 0 isNull3 = __VERIFIER_nondet_bool() VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=0] [L91] FCALL, FORK 0 pthread_create(&t1, NULL, thread1, NULL) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=0] [L45] 1 int i = 0; VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=0] [L35] COND FALSE 1 !(!cond) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=0] [L92] FCALL, FORK 0 pthread_create(&t2, NULL, thread2, NULL) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=0] [L47] COND TRUE 1 !isNull2 && i < 5 VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=0] [L57] 2 int i = 0; VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=0] [L48] EXPR 1 a1[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=0] [L48] EXPR 1 a2[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=0] [L48] 1 res1 = a1[i] - a2[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=0] [L35] COND FALSE 2 !(!cond) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=0] [L93] FCALL, FORK 0 pthread_create(&t3, NULL, thread3, NULL) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=0] [L59] COND TRUE 2 !isNull3 && i < 5 VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=0] [L69] 3 int i = 0; VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=0] [L49] COND TRUE 1 res1 == 0 VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=0] [L60] EXPR 2 a1[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=0] [L60] EXPR 2 a3[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=0] [L94] 0 \read(t1) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=0] [L94] FCALL, JOIN 1 pthread_join(t1, 0) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=0] [L60] 2 res2 = a1[i] - a3[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=1, res3=0] [L35] COND FALSE 3 !(!cond) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=1, res3=0] [L95] 0 \read(t2) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=1, res3=0] [L61] COND FALSE 2 !(res2 == 0) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=1, res3=0] [L71] COND TRUE 3 !isNull3 && i < 5 VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=1, res3=0] [L64] 2 i++ VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=1, res3=0] [L72] EXPR 3 a2[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=1, res3=0] [L64] 2 i++ VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=1, res3=0] [L72] EXPR 3 a3[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=1, res3=0] [L72] 3 res3 = a2[i] - a3[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=1, res3=1] [L59] COND TRUE 2 !isNull3 && i < 5 VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=1, res3=1] [L60] EXPR 2 a1[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=1, res3=1] [L60] EXPR 2 a3[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=1, res3=1] [L73] COND FALSE 3 !(res3 == 0) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=1, res3=1] [L60] 2 res2 = a1[i] - a3[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L76] 3 i++ VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L76] 3 i++ VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L61] COND TRUE 2 res2 == 0 VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L71] COND TRUE 3 !isNull3 && i < 5 VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L72] EXPR 3 a2[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L95] FCALL, JOIN 2 pthread_join(t2, 0) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L72] EXPR 3 a3[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L72] 3 res3 = a2[i] - a3[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=3] [L96] 0 \read(t3) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=3] [L73] COND FALSE 3 !(res3 == 0) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=3] [L76] 3 i++ VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=3] [L71] COND TRUE 3 !isNull3 && i < 5 VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=3] [L72] EXPR 3 a2[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=3] [L72] EXPR 3 a3[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=3] [L72] 3 res3 = a2[i] - a3[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L73] COND FALSE 3 !(res3 == 0) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L76] 3 i++ VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L71] COND TRUE 3 !isNull3 && i < 5 VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L72] EXPR 3 a2[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L72] EXPR 3 a3[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L72] 3 res3 = a2[i] - a3[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L73] COND FALSE 3 !(res3 == 0) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L76] 3 i++ VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L71] COND TRUE 3 !isNull3 && i < 5 VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L72] EXPR 3 a2[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L72] EXPR 3 a3[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=1] [L72] 3 res3 = a2[i] - a3[i] VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=-1] [L73] COND FALSE 3 !(res3 == 0) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=-1] [L76] 3 i++ VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=-1] [L71] COND FALSE 3 !(!isNull3 && i < 5) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=-1] [L96] FCALL, JOIN 3 pthread_join(t3, 0) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=-1] [L35] COND FALSE 0 !(!cond) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=-1] [L35] COND FALSE 0 !(!cond) VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=-1] [L100] 0 reach_error() VAL [a1={18:0}, a2={22:0}, a3={-11:0}, isNull1=512, isNull2=768, isNull3=256, res1=0, res2=0, res3=-1] - UnprovableResult [Line: 92]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 256 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 48290.6ms, OverallIterations: 20, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 28.1ms, PartialOrderReductionTime: 14445.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 269, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 495.0ms SsaConstructionTime, 2327.0ms SatisfiabilityAnalysisTime, 19775.8ms InterpolantComputationTime, 8142 NumberOfCodeBlocks, 7873 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 7798 ConstructedInterpolants, 40 QuantifiedInterpolants, 25387 SizeOfPredicates, 164 NumberOfNonLiveVariables, 6362 ConjunctsInSsa, 252 ConjunctsInUnsatCore, 33 InterpolantComputations, 8 PerfectInterpolantSequences, 4621/5213 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-06 16:48:43,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-06 16:48:43,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...