/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 23:30:46,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-19 23:30:46,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-19 23:30:46,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-19 23:30:46,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-19 23:30:46,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-19 23:30:46,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-19 23:30:46,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-19 23:30:46,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-19 23:30:46,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-19 23:30:46,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-19 23:30:46,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-19 23:30:46,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-19 23:30:46,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-19 23:30:46,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-19 23:30:46,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-19 23:30:46,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-19 23:30:46,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-19 23:30:46,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-19 23:30:46,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-19 23:30:46,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-19 23:30:46,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-19 23:30:46,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-19 23:30:46,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-19 23:30:46,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-19 23:30:46,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-19 23:30:46,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-19 23:30:46,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-19 23:30:46,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-19 23:30:46,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-19 23:30:46,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-19 23:30:46,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-19 23:30:46,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-19 23:30:46,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-19 23:30:46,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-19 23:30:46,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-19 23:30:46,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-19 23:30:46,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-19 23:30:46,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-19 23:30:46,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-19 23:30:46,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-19 23:30:46,470 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 23:30:46,498 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 23:30:46,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 23:30:46,498 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 23:30:46,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 23:30:46,499 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 23:30:46,499 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 23:30:46,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 23:30:46,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 23:30:46,500 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 23:30:46,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 23:30:46,501 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 23:30:46,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 23:30:46,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 23:30:46,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 23:30:46,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 23:30:46,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 23:30:46,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 23:30:46,502 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 23:30:46,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 23:30:46,502 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 23:30:46,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 23:30:46,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 23:30:46,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 23:30:46,504 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 23:30:46,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 23:30:46,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 23:30:46,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 23:30:46,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 23:30:46,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 23:30:46,505 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 23:30:46,505 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 23:30:46,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 23:30:46,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 23:30:46,506 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 23:30:46,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 23:30:46,506 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 23:30:46,506 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/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-19 23:30:46,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 23:30:46,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 23:30:46,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 23:30:46,759 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-19 23:30:46,760 INFO L275 PluginConnector]: CDTParser initialized [2023-05-19 23:30:46,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2023-05-19 23:30:46,815 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8a741f3c/0cf9aa86c9cc4f3a9b2480593692424e/FLAG0482cb879 [2023-05-19 23:30:47,193 INFO L306 CDTParser]: Found 1 translation units. [2023-05-19 23:30:47,194 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2023-05-19 23:30:47,201 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8a741f3c/0cf9aa86c9cc4f3a9b2480593692424e/FLAG0482cb879 [2023-05-19 23:30:47,590 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8a741f3c/0cf9aa86c9cc4f3a9b2480593692424e [2023-05-19 23:30:47,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 23:30:47,595 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-19 23:30:47,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-19 23:30:47,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-19 23:30:47,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-19 23:30:47,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.05 11:30:47" (1/1) ... [2023-05-19 23:30:47,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d0116d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:30:47, skipping insertion in model container [2023-05-19 23:30:47,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.05 11:30:47" (1/1) ... [2023-05-19 23:30:47,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-19 23:30:47,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-19 23:30:47,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c[2599,2612] [2023-05-19 23:30:47,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-19 23:30:47,784 INFO L203 MainTranslator]: Completed pre-run [2023-05-19 23:30:47,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c[2599,2612] [2023-05-19 23:30:47,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-19 23:30:47,840 INFO L208 MainTranslator]: Completed translation [2023-05-19 23:30:47,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:30:47 WrapperNode [2023-05-19 23:30:47,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-19 23:30:47,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 23:30:47,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 23:30:47,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 23:30:47,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:30:47" (1/1) ... [2023-05-19 23:30:47,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:30:47" (1/1) ... [2023-05-19 23:30:47,889 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 271 [2023-05-19 23:30:47,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 23:30:47,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 23:30:47,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 23:30:47,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 23:30:47,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:30:47" (1/1) ... [2023-05-19 23:30:47,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:30:47" (1/1) ... [2023-05-19 23:30:47,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:30:47" (1/1) ... [2023-05-19 23:30:47,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:30:47" (1/1) ... [2023-05-19 23:30:47,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:30:47" (1/1) ... [2023-05-19 23:30:47,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:30:47" (1/1) ... [2023-05-19 23:30:47,923 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:30:47" (1/1) ... [2023-05-19 23:30:47,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:30:47" (1/1) ... [2023-05-19 23:30:47,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 23:30:47,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 23:30:47,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 23:30:47,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 23:30:47,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:30:47" (1/1) ... [2023-05-19 23:30:47,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 23:30:47,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:30:47,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-19 23:30:47,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-19 23:30:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-19 23:30:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-19 23:30:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-19 23:30:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-19 23:30:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 23:30:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 23:30:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 23:30:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 23:30:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 23:30:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 23:30:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-19 23:30:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-19 23:30:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-19 23:30:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-19 23:30:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 23:30:48,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 23:30:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-19 23:30:48,004 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 23:30:48,113 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 23:30:48,114 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 23:30:48,528 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 23:30:48,732 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 23:30:48,733 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2023-05-19 23:30:48,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 11:30:48 BoogieIcfgContainer [2023-05-19 23:30:48,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 23:30:48,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 23:30:48,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 23:30:48,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 23:30:48,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.05 11:30:47" (1/3) ... [2023-05-19 23:30:48,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b3ee1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 11:30:48, skipping insertion in model container [2023-05-19 23:30:48,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:30:47" (2/3) ... [2023-05-19 23:30:48,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b3ee1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 11:30:48, skipping insertion in model container [2023-05-19 23:30:48,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 11:30:48" (3/3) ... [2023-05-19 23:30:48,744 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2023-05-19 23:30:48,752 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 23:30:48,760 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 23:30:48,761 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 23:30:48,761 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 23:30:48,856 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-19 23:30:48,927 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 23:30:48,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 23:30:48,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:30:48,933 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-19 23:30:48,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-19 23:30:48,966 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 23:30:48,990 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 23:30:48,995 INFO L357 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, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@8b3519, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 23:30:48,995 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-19 23:30:49,262 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 23:30:49,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:30:49,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1560304425, now seen corresponding path program 1 times [2023-05-19 23:30:49,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:30:49,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028837573] [2023-05-19 23:30:49,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:30:49,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:30:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:30:49,581 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-05-19 23:30:49,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:30:49,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028837573] [2023-05-19 23:30:49,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028837573] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 23:30:49,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 23:30:49,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-19 23:30:49,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5513207] [2023-05-19 23:30:49,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 23:30:49,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-19 23:30:49,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:30:49,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-19 23:30:49,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-19 23:30:49,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:49,614 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:30:49,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 70.0) internal successors, (140), 2 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:30:49,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:49,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:49,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 23:30:49,670 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 23:30:49,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:30:49,671 INFO L85 PathProgramCache]: Analyzing trace with hash 227461437, now seen corresponding path program 1 times [2023-05-19 23:30:49,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:30:49,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88502848] [2023-05-19 23:30:49,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:30:49,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:30:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:30:50,097 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-19 23:30:50,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:30:50,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88502848] [2023-05-19 23:30:50,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88502848] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 23:30:50,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 23:30:50,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-19 23:30:50,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380218598] [2023-05-19 23:30:50,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 23:30:50,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-19 23:30:50,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:30:50,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-19 23:30:50,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-19 23:30:50,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:50,101 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:30:50,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 7 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:30:50,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:50,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:50,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:50,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:30:50,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-19 23:30:50,291 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 23:30:50,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:30:50,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1136239117, now seen corresponding path program 1 times [2023-05-19 23:30:50,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:30:50,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778214697] [2023-05-19 23:30:50,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:30:50,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:30:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:30:50,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 23:30:50,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:30:50,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778214697] [2023-05-19 23:30:50,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778214697] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:30:50,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929741248] [2023-05-19 23:30:50,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:30:50,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:30:50,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:30:50,606 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 23:30:50,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 23:30:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:30:50,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 8 conjunts are in the unsatisfiable core [2023-05-19 23:30:50,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:30:50,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 23:30:50,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:30:51,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 23:30:51,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929741248] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-19 23:30:51,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-19 23:30:51,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 16 [2023-05-19 23:30:51,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699894812] [2023-05-19 23:30:51,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 23:30:51,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-19 23:30:51,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:30:51,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-19 23:30:51,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-05-19 23:30:51,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:51,126 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:30:51,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.555555555555555) internal successors, (140), 9 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:30:51,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:51,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:30:51,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:51,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:51,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:30:51,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:30:51,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-19 23:30:51,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-19 23:30:51,542 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 23:30:51,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:30:51,543 INFO L85 PathProgramCache]: Analyzing trace with hash 823443321, now seen corresponding path program 1 times [2023-05-19 23:30:51,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:30:51,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335364582] [2023-05-19 23:30:51,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:30:51,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:30:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:30:51,801 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 23:30:51,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:30:51,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335364582] [2023-05-19 23:30:51,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335364582] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:30:51,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246853947] [2023-05-19 23:30:51,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:30:51,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:30:51,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:30:51,803 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 23:30:51,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 23:30:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:30:51,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-19 23:30:51,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:30:52,276 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 23:30:52,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:30:52,626 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 23:30:52,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246853947] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:30:52,627 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:30:52,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 27 [2023-05-19 23:30:52,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871911642] [2023-05-19 23:30:52,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:30:52,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-05-19 23:30:52,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:30:52,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-05-19 23:30:52,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2023-05-19 23:30:52,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:52,630 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:30:52,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 11.88888888888889) internal successors, (321), 27 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:30:52,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:52,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:30:52,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:30:52,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:30:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:30:53,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-19 23:30:53,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-19 23:30:53,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:30:53,755 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 23:30:53,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:30:53,755 INFO L85 PathProgramCache]: Analyzing trace with hash -2010023465, now seen corresponding path program 1 times [2023-05-19 23:30:53,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:30:53,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009968752] [2023-05-19 23:30:53,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:30:53,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:30:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:30:54,063 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 23:30:54,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:30:54,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009968752] [2023-05-19 23:30:54,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009968752] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:30:54,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831589766] [2023-05-19 23:30:54,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:30:54,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:30:54,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:30:54,068 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 23:30:54,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 23:30:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:30:54,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-19 23:30:54,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:30:54,423 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 23:30:54,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:30:54,697 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 23:30:54,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831589766] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:30:54,698 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:30:54,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 26 [2023-05-19 23:30:54,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020340242] [2023-05-19 23:30:54,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:30:54,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-05-19 23:30:54,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:30:54,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-05-19 23:30:54,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=554, Unknown=0, NotChecked=0, Total=650 [2023-05-19 23:30:54,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:54,700 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:30:54,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.346153846153847) internal successors, (217), 26 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) [2023-05-19 23:30:54,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:54,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:30:54,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:30:54,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-19 23:30:54,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:55,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:55,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:30:55,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:30:55,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-05-19 23:30:55,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-19 23:30:55,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-19 23:30:55,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:30:55,787 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 23:30:55,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:30:55,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1973002289, now seen corresponding path program 2 times [2023-05-19 23:30:55,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:30:55,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191050442] [2023-05-19 23:30:55,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:30:55,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:30:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:30:56,191 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-19 23:30:56,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:30:56,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191050442] [2023-05-19 23:30:56,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191050442] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:30:56,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418580570] [2023-05-19 23:30:56,192 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 23:30:56,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:30:56,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:30:56,197 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 23:30:56,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-19 23:30:56,331 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 23:30:56,331 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 23:30:56,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-19 23:30:56,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:30:56,608 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-19 23:30:56,608 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:30:56,843 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-19 23:30:56,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418580570] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:30:56,843 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:30:56,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 12] total 33 [2023-05-19 23:30:56,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110777904] [2023-05-19 23:30:56,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:30:56,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-05-19 23:30:56,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:30:56,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-05-19 23:30:56,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=943, Unknown=0, NotChecked=0, Total=1056 [2023-05-19 23:30:56,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:56,846 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:30:56,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 10.0) internal successors, (330), 33 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:30:56,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:56,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:30:56,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:30:56,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-05-19 23:30:56,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-19 23:30:56,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:59,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:30:59,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:30:59,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:30:59,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 23:30:59,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-19 23:30:59,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-19 23:30:59,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-19 23:30:59,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:30:59,572 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 23:30:59,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:30:59,573 INFO L85 PathProgramCache]: Analyzing trace with hash 752094345, now seen corresponding path program 3 times [2023-05-19 23:30:59,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:30:59,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536838740] [2023-05-19 23:30:59,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:30:59,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:30:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:31:00,093 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 40 proven. 14 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-19 23:31:00,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:31:00,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536838740] [2023-05-19 23:31:00,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536838740] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:31:00,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544162626] [2023-05-19 23:31:00,093 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 23:31:00,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:31:00,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:31:00,095 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 23:31:00,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-19 23:31:00,420 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-19 23:31:00,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 23:31:00,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-19 23:31:00,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:31:00,827 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 61 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-19 23:31:00,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:31:01,267 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 61 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-19 23:31:01,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544162626] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:31:01,267 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:31:01,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 17] total 39 [2023-05-19 23:31:01,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176124516] [2023-05-19 23:31:01,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:31:01,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-05-19 23:31:01,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:31:01,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-05-19 23:31:01,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=1202, Unknown=0, NotChecked=0, Total=1482 [2023-05-19 23:31:01,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:31:01,271 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:31:01,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 9.282051282051283) internal successors, (362), 39 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:31:01,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:31:01,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:31:01,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:31:01,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 23:31:01,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-19 23:31:01,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-19 23:31:01,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:31:02,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:31:02,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:31:02,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:31:02,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 23:31:02,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-19 23:31:02,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:31:02,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 23:31:02,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-19 23:31:02,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:31:02,228 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 23:31:02,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:31:02,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1415082584, now seen corresponding path program 4 times [2023-05-19 23:31:02,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:31:02,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958175345] [2023-05-19 23:31:02,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:31:02,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:31:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:31:02,667 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 2 proven. 46 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-19 23:31:02,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:31:02,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958175345] [2023-05-19 23:31:02,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958175345] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:31:02,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466918693] [2023-05-19 23:31:02,668 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 23:31:02,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:31:02,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:31:02,669 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 23:31:02,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-19 23:31:02,792 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 23:31:02,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 23:31:02,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-19 23:31:02,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:31:03,196 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 24 proven. 31 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-19 23:31:03,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:31:03,617 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 46 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-05-19 23:31:03,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466918693] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:31:03,617 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:31:03,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19, 19] total 43 [2023-05-19 23:31:03,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143095471] [2023-05-19 23:31:03,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:31:03,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-05-19 23:31:03,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:31:03,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-05-19 23:31:03,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=1582, Unknown=0, NotChecked=0, Total=1806 [2023-05-19 23:31:03,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:31:03,619 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:31:03,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.953488372093023) internal successors, (299), 43 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:31:03,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:31:03,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:31:03,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:31:03,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 23:31:03,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-19 23:31:03,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:31:03,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 23:31:03,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:31:04,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:31:04,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:31:04,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:31:04,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 23:31:04,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:31:04,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:31:04,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:31:04,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:31:04,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-19 23:31:04,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:31:04,893 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 23:31:04,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:31:04,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1642633609, now seen corresponding path program 5 times [2023-05-19 23:31:04,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:31:04,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275920528] [2023-05-19 23:31:04,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:31:04,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:31:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:31:23,634 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 1 proven. 159 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 23:31:23,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:31:23,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275920528] [2023-05-19 23:31:23,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275920528] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:31:23,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653533665] [2023-05-19 23:31:23,635 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 23:31:23,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:31:23,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:31:23,637 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 23:31:23,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-19 23:31:23,816 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-05-19 23:31:23,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 23:31:23,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 182 conjunts are in the unsatisfiable core [2023-05-19 23:31:23,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:31:29,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:31:29,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:31:29,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:31:29,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:31:29,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:31:29,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:31:29,541 INFO L356 Elim1Store]: treesize reduction 280, result has 48.6 percent of original size [2023-05-19 23:31:29,542 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 18 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 115 treesize of output 287 [2023-05-19 23:31:30,885 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-19 23:31:30,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:31:39,309 INFO L356 Elim1Store]: treesize reduction 168, result has 88.5 percent of original size [2023-05-19 23:31:39,310 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 161 treesize of output 1318 [2023-05-19 23:38:47,480 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-05-19 23:38:47,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653533665] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:38:47,481 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:38:47,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 54, 33] total 147 [2023-05-19 23:38:47,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102199119] [2023-05-19 23:38:47,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:38:47,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 147 states [2023-05-19 23:38:47,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:38:47,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2023-05-19 23:38:47,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=871, Invalid=20590, Unknown=1, NotChecked=0, Total=21462 [2023-05-19 23:38:47,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:38:47,490 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:38:47,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 3.9523809523809526) internal successors, (581), 147 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:38:47,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:38:47,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:38:47,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:38:47,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 23:38:47,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:38:47,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:38:47,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:38:47,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:38:47,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:25,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:25,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:39:25,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:39:25,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 23:39:25,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:39:25,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:39:25,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:39:25,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:39:25,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2023-05-19 23:39:25,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-19 23:39:25,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-05-19 23:39:25,469 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 23:39:25,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:39:25,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1623667867, now seen corresponding path program 6 times [2023-05-19 23:39:25,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:39:25,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235362225] [2023-05-19 23:39:25,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:39:25,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:39:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:39:26,246 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 162 proven. 59 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-05-19 23:39:26,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:39:26,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235362225] [2023-05-19 23:39:26,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235362225] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:39:26,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634508098] [2023-05-19 23:39:26,247 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 23:39:26,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:39:26,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:39:26,249 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 23:39:26,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-19 23:39:26,703 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2023-05-19 23:39:26,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 23:39:26,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 842 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-19 23:39:26,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:39:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 197 proven. 46 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-05-19 23:39:27,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:39:27,832 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 175 proven. 46 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-05-19 23:39:27,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634508098] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:39:27,833 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:39:27,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 30, 23] total 61 [2023-05-19 23:39:27,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618033185] [2023-05-19 23:39:27,833 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:39:27,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2023-05-19 23:39:27,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:39:27,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2023-05-19 23:39:27,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=3162, Unknown=0, NotChecked=0, Total=3660 [2023-05-19 23:39:27,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:27,836 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:39:27,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 7.524590163934426) internal successors, (459), 61 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:39:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:39:27,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:39:27,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 23:39:27,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:39:27,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:39:27,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:39:27,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:39:27,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2023-05-19 23:39:27,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:29,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:29,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:39:29,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:39:29,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 23:39:29,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:39:29,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:39:29,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:39:29,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:39:29,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2023-05-19 23:39:29,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-05-19 23:39:29,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-05-19 23:39:30,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-19 23:39:30,049 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 23:39:30,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:39:30,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1784292990, now seen corresponding path program 7 times [2023-05-19 23:39:30,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:39:30,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303960463] [2023-05-19 23:39:30,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:39:30,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:39:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:39:30,740 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 27 proven. 94 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-05-19 23:39:30,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:39:30,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303960463] [2023-05-19 23:39:30,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303960463] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:39:30,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346272903] [2023-05-19 23:39:30,741 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 23:39:30,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:39:30,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:39:30,742 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 23:39:30,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-19 23:39:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:39:30,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 24 conjunts are in the unsatisfiable core [2023-05-19 23:39:30,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:39:31,394 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 46 proven. 75 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-05-19 23:39:31,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:39:31,906 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 75 proven. 46 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-05-19 23:39:31,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346272903] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:39:31,907 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:39:31,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 56 [2023-05-19 23:39:31,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802277719] [2023-05-19 23:39:31,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:39:31,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-05-19 23:39:31,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:39:31,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-05-19 23:39:31,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=2741, Unknown=0, NotChecked=0, Total=3080 [2023-05-19 23:39:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:31,910 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:39:31,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 5.75) internal successors, (322), 56 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:39:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:39:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:39:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 23:39:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:39:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:39:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:39:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:39:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2023-05-19 23:39:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2023-05-19 23:39:31,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:39:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:39:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 23:39:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:39:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:39:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:39:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:39:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2023-05-19 23:39:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 23:39:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 23:39:33,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-19 23:39:33,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-19 23:39:33,487 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 23:39:33,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:39:33,488 INFO L85 PathProgramCache]: Analyzing trace with hash -942928479, now seen corresponding path program 8 times [2023-05-19 23:39:33,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:39:33,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969574420] [2023-05-19 23:39:33,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:39:33,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:39:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:39:34,395 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 184 proven. 92 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-05-19 23:39:34,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:39:34,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969574420] [2023-05-19 23:39:34,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969574420] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:39:34,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089546640] [2023-05-19 23:39:34,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 23:39:34,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:39:34,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:39:34,401 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 23:39:34,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-19 23:39:34,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 23:39:34,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 23:39:34,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-19 23:39:34,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:39:35,220 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 201 proven. 75 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-05-19 23:39:35,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:39:35,815 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 201 proven. 75 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-05-19 23:39:35,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089546640] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:39:35,816 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:39:35,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 64 [2023-05-19 23:39:35,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359759476] [2023-05-19 23:39:35,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:39:35,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-05-19 23:39:35,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:39:35,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-05-19 23:39:35,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=3402, Unknown=0, NotChecked=0, Total=4032 [2023-05-19 23:39:35,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:35,819 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:39:35,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 6.4375) internal successors, (412), 64 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:39:35,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:35,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:39:35,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:39:35,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 23:39:35,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:39:35,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:39:35,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:39:35,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:39:35,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2023-05-19 23:39:35,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 23:39:35,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 23:39:35,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:37,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:37,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:39:37,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:39:37,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 23:39:37,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:39:37,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:39:37,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:39:37,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:39:37,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2023-05-19 23:39:37,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 23:39:37,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 23:39:37,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-19 23:39:37,189 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-05-19 23:39:37,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-19 23:39:37,371 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 23:39:37,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:39:37,371 INFO L85 PathProgramCache]: Analyzing trace with hash -479362478, now seen corresponding path program 9 times [2023-05-19 23:39:37,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:39:37,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355273721] [2023-05-19 23:39:37,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:39:37,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:39:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:39:38,204 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 50 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-05-19 23:39:38,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:39:38,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355273721] [2023-05-19 23:39:38,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355273721] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:39:38,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726463070] [2023-05-19 23:39:38,205 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 23:39:38,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:39:38,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:39:38,207 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 23:39:38,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-19 23:39:38,671 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-19 23:39:38,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 23:39:38,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 29 conjunts are in the unsatisfiable core [2023-05-19 23:39:38,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:39:39,573 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 27 proven. 109 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-05-19 23:39:39,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:39:40,689 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 51 proven. 85 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-05-19 23:39:40,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726463070] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:39:40,690 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:39:40,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28, 28] total 81 [2023-05-19 23:39:40,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512230516] [2023-05-19 23:39:40,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:39:40,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2023-05-19 23:39:40,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:39:40,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2023-05-19 23:39:40,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=410, Invalid=6070, Unknown=0, NotChecked=0, Total=6480 [2023-05-19 23:39:40,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:40,692 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:39:40,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 5.777777777777778) internal successors, (468), 81 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:39:40,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:40,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:39:40,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:39:40,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 23:39:40,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:39:40,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:39:40,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:39:40,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:39:40,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2023-05-19 23:39:40,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 23:39:40,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 23:39:40,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-19 23:39:40,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:39:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:39:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 23:39:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:39:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:39:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:39:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:39:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2023-05-19 23:39:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 23:39:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-19 23:39:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-05-19 23:39:53,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2023-05-19 23:39:53,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-19 23:39:53,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-19 23:39:53,710 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 23:39:53,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:39:53,711 INFO L85 PathProgramCache]: Analyzing trace with hash 809943361, now seen corresponding path program 10 times [2023-05-19 23:39:53,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:39:53,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110546850] [2023-05-19 23:39:53,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:39:53,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:39:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:39:54,802 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 364 proven. 132 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-05-19 23:39:54,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:39:54,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110546850] [2023-05-19 23:39:54,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110546850] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:39:54,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666482784] [2023-05-19 23:39:54,803 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 23:39:54,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:39:54,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:39:54,804 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 23:39:54,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-19 23:39:54,962 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 23:39:54,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 23:39:54,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 30 conjunts are in the unsatisfiable core [2023-05-19 23:39:54,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:39:55,738 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 385 proven. 111 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-05-19 23:39:55,739 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:39:56,470 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 385 proven. 111 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-05-19 23:39:56,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666482784] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:39:56,470 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:39:56,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 74 [2023-05-19 23:39:56,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312910404] [2023-05-19 23:39:56,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:39:56,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2023-05-19 23:39:56,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:39:56,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2023-05-19 23:39:56,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=823, Invalid=4579, Unknown=0, NotChecked=0, Total=5402 [2023-05-19 23:39:56,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:56,473 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:39:56,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 6.121621621621622) internal successors, (453), 74 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:39:56,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:56,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:39:56,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:39:56,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 23:39:56,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:39:56,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:39:56,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:39:56,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:39:56,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2023-05-19 23:39:56,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 23:39:56,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-19 23:39:56,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-05-19 23:39:56,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2023-05-19 23:39:56,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:39:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:39:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:39:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-05-19 23:39:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:39:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:39:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:39:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:39:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2023-05-19 23:39:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 23:39:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-19 23:39:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-05-19 23:39:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2023-05-19 23:39:58,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-19 23:39:58,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-19 23:39:58,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-05-19 23:39:58,684 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 23:39:58,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:39:58,685 INFO L85 PathProgramCache]: Analyzing trace with hash -570802822, now seen corresponding path program 11 times [2023-05-19 23:39:58,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:39:58,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631427443] [2023-05-19 23:39:58,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:39:58,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:39:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:39:59,398 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 50 proven. 233 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-05-19 23:39:59,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:39:59,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631427443] [2023-05-19 23:39:59,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631427443] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:39:59,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394623773] [2023-05-19 23:39:59,399 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 23:39:59,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:39:59,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:39:59,400 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 23:39:59,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-19 23:39:59,696 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-05-19 23:39:59,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 23:39:59,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-19 23:39:59,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:40:00,383 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2023-05-19 23:40:00,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:40:00,713 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2023-05-19 23:40:00,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394623773] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:40:00,713 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:40:00,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27, 14] total 62 [2023-05-19 23:40:00,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512671441] [2023-05-19 23:40:00,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:40:00,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2023-05-19 23:40:00,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:40:00,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2023-05-19 23:40:00,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=3541, Unknown=0, NotChecked=0, Total=3782 [2023-05-19 23:40:00,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:40:00,716 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:40:00,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 6.951612903225806) internal successors, (431), 62 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:40:00,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:40:00,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:40:00,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:40:00,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-05-19 23:40:00,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:40:00,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:40:00,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:40:00,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:40:00,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2023-05-19 23:40:00,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 23:40:00,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-19 23:40:00,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-05-19 23:40:00,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2023-05-19 23:40:00,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-19 23:40:00,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:40:07,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:40:07,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:40:07,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:40:07,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 23:40:07,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:40:07,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-19 23:40:07,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:40:07,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:40:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2023-05-19 23:40:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 23:40:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-19 23:40:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-05-19 23:40:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2023-05-19 23:40:07,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-19 23:40:07,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-05-19 23:40:07,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-19 23:40:07,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:40:07,412 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 23:40:07,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:40:07,413 INFO L85 PathProgramCache]: Analyzing trace with hash 691183139, now seen corresponding path program 1 times [2023-05-19 23:40:07,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:40:07,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999124101] [2023-05-19 23:40:07,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:40:07,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:40:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:40:08,366 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 80 proven. 185 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-05-19 23:40:08,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:40:08,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999124101] [2023-05-19 23:40:08,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999124101] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:40:08,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613143119] [2023-05-19 23:40:08,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:40:08,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:40:08,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:40:08,368 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 23:40:08,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-19 23:40:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:40:08,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 32 conjunts are in the unsatisfiable core [2023-05-19 23:40:08,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:40:09,321 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 111 proven. 154 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-05-19 23:40:09,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:40:10,096 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 154 proven. 111 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-05-19 23:40:10,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613143119] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:40:10,096 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:40:10,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 76 [2023-05-19 23:40:10,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493995289] [2023-05-19 23:40:10,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:40:10,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2023-05-19 23:40:10,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:40:10,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2023-05-19 23:40:10,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=591, Invalid=5109, Unknown=0, NotChecked=0, Total=5700 [2023-05-19 23:40:10,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:40:10,100 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:40:10,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 5.157894736842105) internal successors, (392), 76 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:40:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:40:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:40:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:40:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-19 23:40:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:40:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-19 23:40:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:40:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:40:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2023-05-19 23:40:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 23:40:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-19 23:40:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-05-19 23:40:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2023-05-19 23:40:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-19 23:40:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2023-05-19 23:40:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:40:13,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:40:13,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:40:13,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:40:13,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 23:40:13,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:40:13,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-19 23:40:13,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:40:13,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:40:13,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2023-05-19 23:40:13,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 23:40:13,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-19 23:40:13,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-05-19 23:40:13,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2023-05-19 23:40:13,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:40:13,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-05-19 23:40:13,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-19 23:40:13,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-05-19 23:40:13,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-05-19 23:40:13,294 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 23:40:13,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:40:13,294 INFO L85 PathProgramCache]: Analyzing trace with hash 87107965, now seen corresponding path program 12 times [2023-05-19 23:40:13,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:40:13,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830113466] [2023-05-19 23:40:13,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:40:13,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:40:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:40:14,265 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 396 proven. 179 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2023-05-19 23:40:14,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:40:14,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830113466] [2023-05-19 23:40:14,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830113466] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:40:14,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109671020] [2023-05-19 23:40:14,265 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 23:40:14,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:40:14,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:40:14,267 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 23:40:14,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-19 23:40:14,830 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2023-05-19 23:40:14,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 23:40:14,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 54 conjunts are in the unsatisfiable core [2023-05-19 23:40:14,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:40:16,125 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 506 proven. 154 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-05-19 23:40:16,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:40:17,100 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 463 proven. 154 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-05-19 23:40:17,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109671020] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:40:17,101 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:40:17,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 46, 39] total 100 [2023-05-19 23:40:17,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670943237] [2023-05-19 23:40:17,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:40:17,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2023-05-19 23:40:17,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:40:17,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2023-05-19 23:40:17,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1390, Invalid=8510, Unknown=0, NotChecked=0, Total=9900 [2023-05-19 23:40:17,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:40:17,106 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:40:17,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 6.41) internal successors, (641), 100 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:40:17,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:40:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:40:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:40:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-19 23:40:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:40:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-19 23:40:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:40:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:40:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2023-05-19 23:40:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 23:40:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-19 23:40:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-05-19 23:40:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2023-05-19 23:40:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:40:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-05-19 23:40:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-19 23:40:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:40:20,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:40:20,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:40:20,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:40:20,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 23:40:20,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:40:20,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-19 23:40:20,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:40:20,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:40:20,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2023-05-19 23:40:20,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 23:40:20,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-19 23:40:20,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-05-19 23:40:20,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2023-05-19 23:40:20,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:40:20,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-05-19 23:40:20,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-19 23:40:20,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-19 23:40:20,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-05-19 23:40:20,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-19 23:40:20,273 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 23:40:20,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:40:20,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1930900559, now seen corresponding path program 13 times [2023-05-19 23:40:20,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:40:20,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73624457] [2023-05-19 23:40:20,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:40:20,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:40:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:40:21,410 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 117 proven. 341 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-05-19 23:40:21,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:40:21,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73624457] [2023-05-19 23:40:21,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73624457] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:40:21,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837814618] [2023-05-19 23:40:21,411 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 23:40:21,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:40:21,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:40:21,412 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 23:40:21,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-19 23:40:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:40:21,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 40 conjunts are in the unsatisfiable core [2023-05-19 23:40:21,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:40:22,839 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 261 proven. 218 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2023-05-19 23:40:22,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 23:40:23,946 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 325 proven. 154 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2023-05-19 23:40:23,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837814618] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 23:40:23,947 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 23:40:23,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 41, 41] total 97 [2023-05-19 23:40:23,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551169205] [2023-05-19 23:40:23,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 23:40:23,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2023-05-19 23:40:23,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:40:23,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2023-05-19 23:40:23,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1014, Invalid=8298, Unknown=0, NotChecked=0, Total=9312 [2023-05-19 23:40:23,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:40:23,953 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:40:23,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 5.030927835051546) internal successors, (488), 97 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:40:23,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:40:23,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:40:23,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:40:23,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-19 23:40:23,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:40:23,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2023-05-19 23:40:23,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:40:23,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:40:23,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2023-05-19 23:40:23,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-05-19 23:40:23,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-19 23:40:23,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-05-19 23:40:23,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2023-05-19 23:40:23,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:40:23,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-05-19 23:40:23,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-19 23:40:23,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2023-05-19 23:40:23,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:40:27,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:40:27,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:40:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:40:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-19 23:40:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-19 23:40:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-05-19 23:40:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-19 23:40:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-19 23:40:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2023-05-19 23:40:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-19 23:40:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-19 23:40:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-05-19 23:40:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2023-05-19 23:40:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-19 23:40:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-05-19 23:40:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-05-19 23:40:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2023-05-19 23:40:27,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-05-19 23:40:27,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-05-19 23:40:27,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-19 23:40:27,325 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-19 23:40:27,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:40:27,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1253524671, now seen corresponding path program 14 times [2023-05-19 23:40:27,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:40:27,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669296347] [2023-05-19 23:40:27,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:40:27,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:40:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:40:56,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 795 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-05-19 23:40:56,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:40:56,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669296347] [2023-05-19 23:40:56,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669296347] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 23:40:56,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241608607] [2023-05-19 23:40:56,465 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 23:40:56,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:40:56,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:40:56,468 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 23:40:56,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-19 23:40:56,724 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 23:40:56,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 23:40:56,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 1178 conjuncts, 425 conjunts are in the unsatisfiable core [2023-05-19 23:40:56,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 23:41:16,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:41:16,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-19 23:42:28,758 WARN L233 SmtUtils]: Spent 1.20m on a formula simplification. DAG size of input: 1348 DAG size of output: 1240 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-19 23:42:28,766 INFO L356 Elim1Store]: treesize reduction 450, result has 93.9 percent of original size [2023-05-19 23:42:28,767 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 40 select indices, 40 select index equivalence classes, 135 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 780 case distinctions, treesize of input 312 treesize of output 6925 Received shutdown request... [2023-05-19 23:43:30,838 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 23:43:30,841 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 23:43:30,847 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 23:43:30,853 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-19 23:43:30,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-05-19 23:43:31,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 23:43:31,071 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 374 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-510-46-3-6-2-1 context. [2023-05-19 23:43:31,073 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-19 23:43:31,073 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-19 23:43:31,073 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-19 23:43:31,077 INFO L444 BasicCegarLoop]: Path program histogram: [14, 1, 1, 1, 1, 1] [2023-05-19 23:43:31,079 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 23:43:31,080 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 23:43:31,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 11:43:31 BasicIcfg [2023-05-19 23:43:31,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 23:43:31,082 INFO L158 Benchmark]: Toolchain (without parser) took 763487.61ms. Allocated memory was 281.0MB in the beginning and 2.2GB in the end (delta: 1.9GB). Free memory was 254.6MB in the beginning and 1.8GB in the end (delta: -1.5GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2023-05-19 23:43:31,082 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 185.6MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 23:43:31,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.66ms. Allocated memory is still 281.0MB. Free memory was 254.1MB in the beginning and 248.6MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-05-19 23:43:31,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.06ms. Allocated memory is still 281.0MB. Free memory was 248.6MB in the beginning and 246.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-19 23:43:31,083 INFO L158 Benchmark]: Boogie Preprocessor took 48.88ms. Allocated memory is still 281.0MB. Free memory was 246.0MB in the beginning and 243.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-19 23:43:31,083 INFO L158 Benchmark]: RCFGBuilder took 795.99ms. Allocated memory is still 281.0MB. Free memory was 243.9MB in the beginning and 183.1MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB. [2023-05-19 23:43:31,083 INFO L158 Benchmark]: TraceAbstraction took 762344.10ms. Allocated memory was 281.0MB in the beginning and 2.2GB in the end (delta: 1.9GB). Free memory was 181.5MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2023-05-19 23:43:31,085 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 185.6MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 243.66ms. Allocated memory is still 281.0MB. Free memory was 254.1MB in the beginning and 248.6MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.06ms. Allocated memory is still 281.0MB. Free memory was 248.6MB in the beginning and 246.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.88ms. Allocated memory is still 281.0MB. Free memory was 246.0MB in the beginning and 243.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 795.99ms. Allocated memory is still 281.0MB. Free memory was 243.9MB in the beginning and 183.1MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB. * TraceAbstraction took 762344.10ms. Allocated memory was 281.0MB in the beginning and 2.2GB in the end (delta: 1.9GB). Free memory was 181.5MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13927, independent: 11423, independent conditional: 9604, independent unconditional: 1819, dependent: 2504, dependent conditional: 2487, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11440, independent: 11423, independent conditional: 9604, independent unconditional: 1819, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11440, independent: 11423, independent conditional: 9604, independent unconditional: 1819, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11440, independent: 11423, independent conditional: 0, independent unconditional: 11423, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11440, independent: 11423, independent conditional: 0, independent unconditional: 11423, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11440, independent: 11423, independent conditional: 0, independent unconditional: 11423, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1720, independent: 1703, independent conditional: 0, independent unconditional: 1703, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1720, independent: 1701, independent conditional: 0, independent unconditional: 1701, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 19, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 129, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 92, dependent conditional: 0, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11440, independent: 9720, independent conditional: 0, independent unconditional: 9720, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1720, unknown conditional: 0, unknown unconditional: 1720] , Statistics on independence cache: Total cache size (in pairs): 1720, Positive cache size: 1703, Positive conditional cache size: 0, Positive unconditional cache size: 1703, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 2487 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 274, Number of trivial persistent sets: 218, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1836, independent: 1819, independent conditional: 0, independent unconditional: 1819, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13927, independent: 11423, independent conditional: 9604, independent unconditional: 1819, dependent: 2504, dependent conditional: 2487, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11440, independent: 11423, independent conditional: 9604, independent unconditional: 1819, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11440, independent: 11423, independent conditional: 9604, independent unconditional: 1819, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11440, independent: 11423, independent conditional: 0, independent unconditional: 11423, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11440, independent: 11423, independent conditional: 0, independent unconditional: 11423, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11440, independent: 11423, independent conditional: 0, independent unconditional: 11423, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1720, independent: 1703, independent conditional: 0, independent unconditional: 1703, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1720, independent: 1701, independent conditional: 0, independent unconditional: 1701, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 19, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 129, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 92, dependent conditional: 0, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11440, independent: 9720, independent conditional: 0, independent unconditional: 9720, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1720, unknown conditional: 0, unknown unconditional: 1720] , Statistics on independence cache: Total cache size (in pairs): 1720, Positive cache size: 1703, Positive conditional cache size: 0, Positive unconditional cache size: 1703, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 2487 - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 374 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-510-46-3-6-2-1 context. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 374 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-510-46-3-6-2-1 context. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 374 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-510-46-3-6-2-1 context. - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 374 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-510-46-3-6-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 208 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 762.1s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 14, EmptinessCheckTime: 79.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1079, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 490.0s InterpolantComputationTime, 7974 NumberOfCodeBlocks, 7902 NumberOfCodeBlocksAsserted, 73 NumberOfCheckSat, 11767 ConstructedInterpolants, 4 QuantifiedInterpolants, 62306 SizeOfPredicates, 442 NumberOfNonLiveVariables, 10702 ConjunctsInSsa, 557 ConjunctsInUnsatCore, 50 InterpolantComputations, 3 PerfectInterpolantSequences, 9877/13838 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 could not prove your program: Timeout Completed graceful shutdown