/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 false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 02:12:54,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 02:12:54,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 02:12:54,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-20 02:12:54,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 02:12:54,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 02:12:54,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 02:12:54,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 02:12:54,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 02:12:54,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 02:12:54,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 02:12:54,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 02:12:54,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 02:12:54,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 02:12:54,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 02:12:54,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 02:12:54,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-20 02:12:54,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 02:12:54,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 02:12:54,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 02:12:54,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 02:12:54,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 02:12:54,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 02:12:54,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 02:12:54,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 02:12:54,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 02:12:54,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 02:12:54,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 02:12:54,419 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 02:12:54,455 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 02:12:54,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 02:12:54,455 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 02:12:54,456 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 02:12:54,456 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 02:12:54,456 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 02:12:54,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 02:12:54,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 02:12:54,457 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 02:12:54,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 02:12:54,473 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 02:12:54,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 02:12:54,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 02:12:54,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 02:12:54,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 02:12:54,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 02:12:54,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 02:12:54,473 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 02:12:54,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 02:12:54,474 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 02:12:54,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 02:12:54,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 02:12:54,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 02:12:54,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 02:12:54,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 02:12:54,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 02:12:54,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 02:12:54,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 02:12:54,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 02:12:54,476 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 02:12:54,476 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 02:12:54,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 02:12:54,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 02:12:54,477 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 02:12:54,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 02:12:54,477 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 02:12:54,477 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 02:12:54,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 02:12:54,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 02:12:54,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 02:12:54,712 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 02:12:54,713 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 02:12:54,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2023-05-20 02:12:54,755 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acec8d764/1ccf16e7fce54fcfa96897434e39feeb/FLAG7707347d4 [2023-05-20 02:12:55,163 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 02:12:55,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2023-05-20 02:12:55,168 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acec8d764/1ccf16e7fce54fcfa96897434e39feeb/FLAG7707347d4 [2023-05-20 02:12:55,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acec8d764/1ccf16e7fce54fcfa96897434e39feeb [2023-05-20 02:12:55,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 02:12:55,523 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 02:12:55,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 02:12:55,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 02:12:55,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 02:12:55,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:12:55" (1/1) ... [2023-05-20 02:12:55,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4555c8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:55, skipping insertion in model container [2023-05-20 02:12:55,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:12:55" (1/1) ... [2023-05-20 02:12:55,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 02:12:55,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 02:12:55,721 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/parallel-misc-1.wvr.c[2755,2768] [2023-05-20 02:12:55,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 02:12:55,743 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 02:12:55,771 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/parallel-misc-1.wvr.c[2755,2768] [2023-05-20 02:12:55,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 02:12:55,782 INFO L208 MainTranslator]: Completed translation [2023-05-20 02:12:55,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:55 WrapperNode [2023-05-20 02:12:55,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 02:12:55,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 02:12:55,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 02:12:55,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 02:12:55,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:55" (1/1) ... [2023-05-20 02:12:55,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:55" (1/1) ... [2023-05-20 02:12:55,838 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 17, calls inlined = 31, statements flattened = 277 [2023-05-20 02:12:55,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 02:12:55,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 02:12:55,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 02:12:55,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 02:12:55,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:55" (1/1) ... [2023-05-20 02:12:55,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:55" (1/1) ... [2023-05-20 02:12:55,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:55" (1/1) ... [2023-05-20 02:12:55,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:55" (1/1) ... [2023-05-20 02:12:55,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:55" (1/1) ... [2023-05-20 02:12:55,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:55" (1/1) ... [2023-05-20 02:12:55,869 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:55" (1/1) ... [2023-05-20 02:12:55,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:55" (1/1) ... [2023-05-20 02:12:55,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 02:12:55,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 02:12:55,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 02:12:55,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 02:12:55,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:55" (1/1) ... [2023-05-20 02:12:55,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 02:12:55,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:12:55,915 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) [2023-05-20 02:12:55,923 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 [2023-05-20 02:12:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 02:12:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 02:12:55,950 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 02:12:55,950 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 02:12:55,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 02:12:55,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 02:12:55,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 02:12:55,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 02:12:55,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 02:12:55,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 02:12:55,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 02:12:55,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 02:12:55,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 02:12:55,955 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 02:12:56,041 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 02:12:56,042 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 02:12:56,394 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 02:12:56,409 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 02:12:56,409 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-20 02:12:56,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:12:56 BoogieIcfgContainer [2023-05-20 02:12:56,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 02:12:56,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 02:12:56,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 02:12:56,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 02:12:56,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 02:12:55" (1/3) ... [2023-05-20 02:12:56,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a505964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:12:56, skipping insertion in model container [2023-05-20 02:12:56,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:55" (2/3) ... [2023-05-20 02:12:56,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a505964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:12:56, skipping insertion in model container [2023-05-20 02:12:56,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:12:56" (3/3) ... [2023-05-20 02:12:56,417 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2023-05-20 02:12:56,422 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 02:12:56,427 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 02:12:56,428 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 02:12:56,428 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 02:12:56,538 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 02:12:56,572 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 02:12:56,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 02:12:56,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:12:56,574 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) [2023-05-20 02:12:56,598 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 [2023-05-20 02:12:56,613 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 02:12:56,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 02:12:56,636 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;@700c7aa1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 02:12:56,636 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 02:12:56,805 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:12:56,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:12:56,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1389090103, now seen corresponding path program 1 times [2023-05-20 02:12:56,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:12:56,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33889164] [2023-05-20 02:12:56,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:12:56,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:12:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:12:57,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:12:57,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:12:57,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33889164] [2023-05-20 02:12:57,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33889164] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:12:57,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:12:57,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 02:12:57,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602294115] [2023-05-20 02:12:57,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:12:57,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 02:12:57,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:12:57,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 02:12:57,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 02:12:57,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:12:57,132 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:12:57,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 83.5) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 02:12:57,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:12:57,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:12:57,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 02:12:57,201 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:12:57,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:12:57,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1939959066, now seen corresponding path program 1 times [2023-05-20 02:12:57,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:12:57,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308719840] [2023-05-20 02:12:57,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:12:57,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:12:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:12:58,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:12:58,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:12:58,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308719840] [2023-05-20 02:12:58,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308719840] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:12:58,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:12:58,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-05-20 02:12:58,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745344553] [2023-05-20 02:12:58,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:12:58,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-20 02:12:58,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:12:58,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-20 02:12:58,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2023-05-20 02:12:58,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:12:58,159 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:12:58,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 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) [2023-05-20 02:12:58,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:12:58,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:12:59,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:12:59,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:12:59,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 02:12:59,270 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:12:59,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:12:59,271 INFO L85 PathProgramCache]: Analyzing trace with hash 313335366, now seen corresponding path program 1 times [2023-05-20 02:12:59,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:12:59,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634614891] [2023-05-20 02:12:59,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:12:59,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:12:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:12:59,709 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:12:59,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:12:59,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634614891] [2023-05-20 02:12:59,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634614891] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:12:59,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:12:59,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-05-20 02:12:59,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440732421] [2023-05-20 02:12:59,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:12:59,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-20 02:12:59,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:12:59,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-20 02:12:59,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-05-20 02:12:59,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:12:59,711 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:12:59,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.09090909090909) internal successors, (276), 11 states have internal predecessors, (276), 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) [2023-05-20 02:12:59,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:12:59,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:12:59,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:12:59,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:12:59,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:12:59,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:12:59,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 02:12:59,868 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:12:59,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:12:59,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1860692519, now seen corresponding path program 1 times [2023-05-20 02:12:59,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:12:59,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962508804] [2023-05-20 02:12:59,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:12:59,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:12:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:13:00,198 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-20 02:13:00,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:13:00,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962508804] [2023-05-20 02:13:00,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962508804] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:13:00,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923370776] [2023-05-20 02:13:00,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:13:00,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:13:00,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:13:00,201 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) [2023-05-20 02:13:00,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 02:13:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:13:00,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 02:13:00,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:13:00,477 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-20 02:13:00,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:13:00,697 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-20 02:13:00,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923370776] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-20 02:13:00,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-20 02:13:00,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 19 [2023-05-20 02:13:00,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947215971] [2023-05-20 02:13:00,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:13:00,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-20 02:13:00,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:13:00,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-20 02:13:00,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2023-05-20 02:13:00,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:00,699 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:13:00,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.444444444444443) internal successors, (256), 9 states have internal predecessors, (256), 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) [2023-05-20 02:13:00,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:00,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:13:00,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:13:00,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:00,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:00,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:13:00,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:13:00,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:01,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-20 02:13:01,216 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,SelfDestructingSolverStorable3 [2023-05-20 02:13:01,217 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:13:01,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:13:01,217 INFO L85 PathProgramCache]: Analyzing trace with hash 743627515, now seen corresponding path program 1 times [2023-05-20 02:13:01,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:13:01,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128982691] [2023-05-20 02:13:01,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:13:01,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:13:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:13:01,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:13:01,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:13:01,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128982691] [2023-05-20 02:13:01,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128982691] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:13:01,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51504004] [2023-05-20 02:13:01,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:13:01,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:13:01,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:13:01,546 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) [2023-05-20 02:13:01,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 02:13:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:13:01,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 02:13:01,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:13:01,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:13:01,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:13:02,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:13:02,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51504004] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-20 02:13:02,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-20 02:13:02,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 19 [2023-05-20 02:13:02,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298322470] [2023-05-20 02:13:02,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:13:02,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-20 02:13:02,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:13:02,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-20 02:13:02,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2023-05-20 02:13:02,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:02,016 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:13:02,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.22222222222222) internal successors, (227), 9 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 02:13:02,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:02,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:13:02,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:13:02,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:02,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:13:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:13:02,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:02,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:02,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-20 02:13:02,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:13:02,556 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:13:02,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:13:02,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1455322829, now seen corresponding path program 1 times [2023-05-20 02:13:02,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:13:02,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636111502] [2023-05-20 02:13:02,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:13:02,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:13:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:13:06,956 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:13:06,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:13:06,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636111502] [2023-05-20 02:13:06,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636111502] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:13:06,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415970706] [2023-05-20 02:13:06,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:13:06,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:13:06,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:13:06,958 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) [2023-05-20 02:13:06,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 02:13:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:13:07,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 97 conjunts are in the unsatisfiable core [2023-05-20 02:13:07,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:13:07,564 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-05-20 02:13:08,105 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 02:13:08,284 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 02:13:10,672 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-05-20 02:13:11,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:13:11,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:13:14,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 02:13:14,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415970706] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:13:14,375 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:13:14,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 44, 36] total 114 [2023-05-20 02:13:14,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715775649] [2023-05-20 02:13:14,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:13:14,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2023-05-20 02:13:14,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:13:14,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2023-05-20 02:13:14,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=375, Invalid=12456, Unknown=51, NotChecked=0, Total=12882 [2023-05-20 02:13:14,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:14,393 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:13:14,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 6.298245614035087) internal successors, (718), 114 states have internal predecessors, (718), 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) [2023-05-20 02:13:14,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:14,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:13:14,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:13:14,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:14,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:14,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:29,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:29,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:13:29,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:13:29,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:29,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:29,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-05-20 02:13:29,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 02:13:29,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:13:29,562 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:13:29,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:13:29,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1923565285, now seen corresponding path program 2 times [2023-05-20 02:13:29,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:13:29,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577471872] [2023-05-20 02:13:29,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:13:29,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:13:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:13:30,078 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 02:13:30,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:13:30,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577471872] [2023-05-20 02:13:30,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577471872] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:13:30,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708445478] [2023-05-20 02:13:30,078 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 02:13:30,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:13:30,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:13:30,080 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) [2023-05-20 02:13:30,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 02:13:30,210 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 02:13:30,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:13:30,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-20 02:13:30,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:13:30,715 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 02:13:30,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:13:31,058 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 02:13:31,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708445478] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:13:31,058 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:13:31,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 28 [2023-05-20 02:13:31,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725198745] [2023-05-20 02:13:31,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:13:31,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-20 02:13:31,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:13:31,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-20 02:13:31,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=613, Unknown=0, NotChecked=0, Total=756 [2023-05-20 02:13:31,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:31,063 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:13:31,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 19.285714285714285) internal successors, (540), 28 states have internal predecessors, (540), 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) [2023-05-20 02:13:31,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:31,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:13:31,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:13:31,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:31,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:31,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-05-20 02:13:31,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:13:31,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:13:31,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:31,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:31,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-05-20 02:13:31,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:13:31,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 02:13:31,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:13:31,469 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:13:31,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:13:31,470 INFO L85 PathProgramCache]: Analyzing trace with hash 676498118, now seen corresponding path program 3 times [2023-05-20 02:13:31,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:13:31,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049738706] [2023-05-20 02:13:31,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:13:31,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:13:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:13:32,200 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 58 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:13:32,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:13:32,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049738706] [2023-05-20 02:13:32,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049738706] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:13:32,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146062143] [2023-05-20 02:13:32,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 02:13:32,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:13:32,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:13:32,209 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) [2023-05-20 02:13:32,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 02:13:32,385 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-05-20 02:13:32,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:13:32,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-20 02:13:32,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:13:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-20 02:13:32,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:13:33,322 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 47 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-20 02:13:33,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146062143] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:13:33,323 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:13:33,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 13, 13] total 43 [2023-05-20 02:13:33,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903449658] [2023-05-20 02:13:33,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:13:33,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-05-20 02:13:33,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:13:33,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-05-20 02:13:33,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=1613, Unknown=0, NotChecked=0, Total=1806 [2023-05-20 02:13:33,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:33,325 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:13:33,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 15.511627906976743) internal successors, (667), 43 states have internal predecessors, (667), 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) [2023-05-20 02:13:33,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:33,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:13:33,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:13:33,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:33,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:33,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-05-20 02:13:33,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:13:33,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:36,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:36,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:13:36,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:13:36,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:36,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:36,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-20 02:13:36,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:13:36,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 02:13:37,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 02:13:37,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:13:37,215 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:13:37,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:13:37,216 INFO L85 PathProgramCache]: Analyzing trace with hash -2102208105, now seen corresponding path program 4 times [2023-05-20 02:13:37,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:13:37,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804504301] [2023-05-20 02:13:37,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:13:37,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:13:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:13:37,855 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 2 proven. 103 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-05-20 02:13:37,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:13:37,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804504301] [2023-05-20 02:13:37,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804504301] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:13:37,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595449670] [2023-05-20 02:13:37,856 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 02:13:37,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:13:37,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:13:37,869 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) [2023-05-20 02:13:37,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 02:13:38,021 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 02:13:38,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:13:38,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-20 02:13:38,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:13:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 61 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:13:38,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:13:39,134 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 76 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:13:39,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595449670] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:13:39,135 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:13:39,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 43 [2023-05-20 02:13:39,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723671173] [2023-05-20 02:13:39,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:13:39,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-05-20 02:13:39,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:13:39,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-05-20 02:13:39,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=1582, Unknown=0, NotChecked=0, Total=1806 [2023-05-20 02:13:39,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:39,146 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:13:39,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 20.74418604651163) internal successors, (892), 43 states have internal predecessors, (892), 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) [2023-05-20 02:13:39,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:39,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:13:39,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:13:39,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:39,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:39,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-20 02:13:39,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:13:39,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 02:13:39,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:13:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:13:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:13:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:13:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-20 02:13:40,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:13:40,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 02:13:40,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-20 02:13:40,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-20 02:13:40,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:13:40,299 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:13:40,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:13:40,300 INFO L85 PathProgramCache]: Analyzing trace with hash -2106650393, now seen corresponding path program 5 times [2023-05-20 02:13:40,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:13:40,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229058129] [2023-05-20 02:13:40,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:13:40,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:13:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:13:52,375 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:13:52,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:13:52,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229058129] [2023-05-20 02:13:52,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229058129] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:13:52,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388788001] [2023-05-20 02:13:52,376 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 02:13:52,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:13:52,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:13:52,378 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) [2023-05-20 02:13:52,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 02:13:52,604 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2023-05-20 02:13:52,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:13:52,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 195 conjunts are in the unsatisfiable core [2023-05-20 02:13:52,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:13:53,978 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-05-20 02:13:54,702 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 02:13:54,912 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 02:14:09,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:14:09,213 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 02:14:09,215 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:14:09,216 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 18 [2023-05-20 02:14:09,525 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:14:09,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:15:11,894 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-20 02:15:11,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388788001] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:15:11,895 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:15:11,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [109, 94, 78] total 257 [2023-05-20 02:15:11,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143977509] [2023-05-20 02:15:11,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:15:11,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 257 states [2023-05-20 02:15:11,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:15:11,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 257 interpolants. [2023-05-20 02:15:11,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4037, Invalid=61713, Unknown=42, NotChecked=0, Total=65792 [2023-05-20 02:15:11,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:15:11,913 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:15:11,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 257 states, 257 states have (on average 5.42023346303502) internal successors, (1393), 257 states have internal predecessors, (1393), 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) [2023-05-20 02:15:11,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:15:11,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:15:11,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:15:11,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:15:11,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:15:11,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-20 02:15:11,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:15:11,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 02:15:11,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-20 02:15:11,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:16:03,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:16:03,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:16:03,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:16:03,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:16:03,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:16:03,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-20 02:16:03,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:16:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 02:16:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-20 02:16:03,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2023-05-20 02:16:03,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 02:16:03,475 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,SelfDestructingSolverStorable9 [2023-05-20 02:16:03,477 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:16:03,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:16:03,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1389366937, now seen corresponding path program 6 times [2023-05-20 02:16:03,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:16:03,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488886867] [2023-05-20 02:16:03,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:16:03,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:16:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:16:04,468 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 330 proven. 357 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-05-20 02:16:04,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:16:04,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488886867] [2023-05-20 02:16:04,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488886867] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:16:04,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140823021] [2023-05-20 02:16:04,469 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 02:16:04,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:16:04,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:16:04,470 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) [2023-05-20 02:16:04,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 02:16:04,760 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2023-05-20 02:16:04,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:16:04,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 39 conjunts are in the unsatisfiable core [2023-05-20 02:16:04,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:16:06,160 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 345 proven. 416 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 02:16:06,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:16:07,319 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 539 proven. 207 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-20 02:16:07,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140823021] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:16:07,320 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:16:07,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 25, 20] total 53 [2023-05-20 02:16:07,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898501085] [2023-05-20 02:16:07,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:16:07,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-05-20 02:16:07,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:16:07,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-05-20 02:16:07,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=363, Invalid=2393, Unknown=0, NotChecked=0, Total=2756 [2023-05-20 02:16:07,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:16:07,323 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:16:07,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 26.50943396226415) internal successors, (1405), 53 states have internal predecessors, (1405), 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) [2023-05-20 02:16:07,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:16:07,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:16:07,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:16:07,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:16:07,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:16:07,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-20 02:16:07,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:16:07,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 02:16:07,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-20 02:16:07,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2023-05-20 02:16:07,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:16:12,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:16:12,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:16:12,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:16:12,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:16:12,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:16:12,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-20 02:16:12,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:16:12,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 02:16:12,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-20 02:16:12,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2023-05-20 02:16:12,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 02:16:12,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-20 02:16:13,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:16:13,031 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:16:13,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:16:13,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1670413173, now seen corresponding path program 1 times [2023-05-20 02:16:13,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:16:13,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143129875] [2023-05-20 02:16:13,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:16:13,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:16:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:16:29,049 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:16:29,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:16:29,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143129875] [2023-05-20 02:16:29,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143129875] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:16:29,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491842826] [2023-05-20 02:16:29,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:16:29,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:16:29,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:16:29,069 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) [2023-05-20 02:16:29,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-20 02:16:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:16:29,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 181 conjunts are in the unsatisfiable core [2023-05-20 02:16:29,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:16:31,618 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 02:16:45,817 INFO L356 Elim1Store]: treesize reduction 28, result has 9.7 percent of original size [2023-05-20 02:16:45,818 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 19 [2023-05-20 02:16:47,069 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 0 proven. 311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:16:47,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:19:13,671 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:19:13,672 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 126 treesize of output 221 [2023-05-20 02:19:13,728 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:19:13,728 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 56 treesize of output 164 [2023-05-20 02:19:18,500 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 24 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:19:18,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491842826] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:19:18,501 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:19:18,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [115, 89, 83] total 259 [2023-05-20 02:19:18,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337542416] [2023-05-20 02:19:18,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:19:18,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 259 states [2023-05-20 02:19:18,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:19:18,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 259 interpolants. [2023-05-20 02:19:18,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2116, Invalid=64621, Unknown=85, NotChecked=0, Total=66822 [2023-05-20 02:19:18,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:19:18,507 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:19:18,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 259 states, 259 states have (on average 5.351351351351352) internal successors, (1386), 259 states have internal predecessors, (1386), 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) [2023-05-20 02:19:18,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:19:18,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:19:18,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:19:18,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:19:18,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:19:18,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-20 02:19:18,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:19:18,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 02:19:18,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-20 02:19:18,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2023-05-20 02:19:18,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 02:19:18,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:19:55,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:19:55,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:19:55,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:19:55,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:19:55,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:19:55,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-20 02:19:55,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:19:55,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 02:19:55,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 02:19:55,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2023-05-20 02:19:55,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 02:19:55,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-20 02:19:55,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-20 02:19:56,096 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,SelfDestructingSolverStorable11 [2023-05-20 02:19:56,097 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:19:56,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:19:56,097 INFO L85 PathProgramCache]: Analyzing trace with hash 316754666, now seen corresponding path program 7 times [2023-05-20 02:19:56,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:19:56,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297442227] [2023-05-20 02:19:56,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:19:56,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:19:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:19:57,152 INFO L134 CoverageAnalysis]: Checked inductivity of 961 backedges. 281 proven. 560 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-05-20 02:19:57,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:19:57,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297442227] [2023-05-20 02:19:57,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297442227] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:19:57,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437226177] [2023-05-20 02:19:57,153 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 02:19:57,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:19:57,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:19:57,154 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) [2023-05-20 02:19:57,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-20 02:19:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:19:57,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-20 02:19:57,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:19:58,931 INFO L134 CoverageAnalysis]: Checked inductivity of 961 backedges. 439 proven. 430 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-05-20 02:19:58,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:19:59,930 INFO L134 CoverageAnalysis]: Checked inductivity of 961 backedges. 805 proven. 64 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-05-20 02:19:59,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437226177] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:19:59,931 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:19:59,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 25, 25] total 56 [2023-05-20 02:19:59,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832526585] [2023-05-20 02:19:59,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:19:59,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-05-20 02:19:59,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:19:59,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-05-20 02:19:59,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=411, Invalid=2669, Unknown=0, NotChecked=0, Total=3080 [2023-05-20 02:19:59,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:19:59,934 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:19:59,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 24.767857142857142) internal successors, (1387), 56 states have internal predecessors, (1387), 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) [2023-05-20 02:19:59,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:19:59,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:19:59,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:19:59,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:19:59,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:19:59,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-20 02:19:59,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:19:59,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 02:19:59,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 02:19:59,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2023-05-20 02:19:59,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-20 02:19:59,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-05-20 02:19:59,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:20:01,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:20:01,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:20:01,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:20:01,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:20:01,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:20:01,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-20 02:20:01,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:20:01,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 02:20:01,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 02:20:01,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2023-05-20 02:20:01,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 02:20:01,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-20 02:20:01,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-20 02:20:01,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-20 02:20:01,400 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,SelfDestructingSolverStorable12 [2023-05-20 02:20:01,401 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:20:01,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:20:01,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1067117863, now seen corresponding path program 8 times [2023-05-20 02:20:01,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:20:01,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382531541] [2023-05-20 02:20:01,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:20:01,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:20:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:20:02,328 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 27 proven. 642 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-05-20 02:20:02,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:20:02,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382531541] [2023-05-20 02:20:02,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382531541] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:20:02,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595305978] [2023-05-20 02:20:02,329 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 02:20:02,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:20:02,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:20:02,333 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) [2023-05-20 02:20:02,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-20 02:20:02,535 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 02:20:02,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:20:02,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-20 02:20:02,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:20:03,556 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 271 proven. 438 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-05-20 02:20:03,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:20:04,278 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 300 proven. 409 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-05-20 02:20:04,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595305978] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:20:04,278 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:20:04,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 67 [2023-05-20 02:20:04,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455732002] [2023-05-20 02:20:04,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:20:04,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2023-05-20 02:20:04,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:20:04,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2023-05-20 02:20:04,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=488, Invalid=3934, Unknown=0, NotChecked=0, Total=4422 [2023-05-20 02:20:04,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:20:04,289 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:20:04,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 21.597014925373134) internal successors, (1447), 67 states have internal predecessors, (1447), 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) [2023-05-20 02:20:04,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:20:04,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:20:04,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:20:04,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:20:04,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:20:04,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-20 02:20:04,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:20:04,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 02:20:04,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 02:20:04,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2023-05-20 02:20:04,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-20 02:20:04,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-05-20 02:20:04,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-20 02:20:04,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:20:06,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:20:06,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:20:06,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:20:06,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:20:06,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:20:06,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-20 02:20:06,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:20:06,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-20 02:20:06,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 02:20:06,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2023-05-20 02:20:06,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-20 02:20:06,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-20 02:20:06,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-20 02:20:06,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 02:20:06,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-05-20 02:20:06,575 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,SelfDestructingSolverStorable13 [2023-05-20 02:20:06,575 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:20:06,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:20:06,576 INFO L85 PathProgramCache]: Analyzing trace with hash -434570441, now seen corresponding path program 9 times [2023-05-20 02:20:06,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:20:06,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062045295] [2023-05-20 02:20:06,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:20:06,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:20:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:20:38,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 27 proven. 1188 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:20:38,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:20:38,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062045295] [2023-05-20 02:20:38,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062045295] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:20:38,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527119047] [2023-05-20 02:20:38,139 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 02:20:38,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:20:38,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:20:38,140 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) [2023-05-20 02:20:38,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-20 02:20:38,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-05-20 02:20:38,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:20:38,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 285 conjunts are in the unsatisfiable core [2023-05-20 02:20:38,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:20:39,472 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-20 02:20:40,473 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 02:20:40,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 02:21:08,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:21:08,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:21:08,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:21:08,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:21:08,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:21:08,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 02:21:08,480 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:21:08,480 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 18 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 87 treesize of output 231 [2023-05-20 02:21:10,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 29 proven. 1140 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-05-20 02:21:10,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:25:53,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1215 backedges. 0 proven. 1140 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-20 02:25:53,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527119047] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:25:53,913 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:25:53,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [169, 129, 116] total 388 [2023-05-20 02:25:53,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498224452] [2023-05-20 02:25:53,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:25:53,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 388 states [2023-05-20 02:25:53,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:25:53,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 388 interpolants. [2023-05-20 02:25:53,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12934, Invalid=137090, Unknown=132, NotChecked=0, Total=150156 [2023-05-20 02:25:53,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:25:53,923 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:25:53,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 388 states, 388 states have (on average 5.371134020618556) internal successors, (2084), 388 states have internal predecessors, (2084), 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) [2023-05-20 02:25:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:25:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-20 02:25:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:25:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:25:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 02:25:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-20 02:25:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 02:25:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-20 02:25:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 02:25:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2023-05-20 02:25:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-20 02:25:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-05-20 02:25:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-20 02:25:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-20 02:25:53,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-05-20 02:27:07,098 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 [2023-05-20 02:27:07,098 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 [2023-05-20 02:27:07,098 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 02:27:07,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-05-20 02:27:07,311 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,SelfDestructingSolverStorable14 [2023-05-20 02:27:07,312 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 453 known predicates. [2023-05-20 02:27:07,314 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 02:27:07,315 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 02:27:07,315 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 02:27:07,337 INFO L444 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1, 1, 1, 1] [2023-05-20 02:27:07,339 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 02:27:07,339 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 02:27:07,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 02:27:07 BasicIcfg [2023-05-20 02:27:07,341 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 02:27:07,341 INFO L158 Benchmark]: Toolchain (without parser) took 851818.27ms. Allocated memory was 127.9MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 73.9MB in the beginning and 719.1MB in the end (delta: -645.3MB). Peak memory consumption was 957.7MB. Max. memory is 8.0GB. [2023-05-20 02:27:07,341 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 127.9MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 02:27:07,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.67ms. Allocated memory is still 127.9MB. Free memory was 73.7MB in the beginning and 102.9MB in the end (delta: -29.2MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. [2023-05-20 02:27:07,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.80ms. Allocated memory is still 127.9MB. Free memory was 102.9MB in the beginning and 100.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 02:27:07,342 INFO L158 Benchmark]: Boogie Preprocessor took 45.89ms. Allocated memory is still 127.9MB. Free memory was 100.1MB in the beginning and 98.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 02:27:07,342 INFO L158 Benchmark]: RCFGBuilder took 526.40ms. Allocated memory is still 127.9MB. Free memory was 98.0MB in the beginning and 72.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-05-20 02:27:07,342 INFO L158 Benchmark]: TraceAbstraction took 850927.86ms. Allocated memory was 127.9MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 71.4MB in the beginning and 719.1MB in the end (delta: -647.7MB). Peak memory consumption was 955.4MB. Max. memory is 8.0GB. [2023-05-20 02:27:07,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 127.9MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 257.67ms. Allocated memory is still 127.9MB. Free memory was 73.7MB in the beginning and 102.9MB in the end (delta: -29.2MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.80ms. Allocated memory is still 127.9MB. Free memory was 102.9MB in the beginning and 100.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.89ms. Allocated memory is still 127.9MB. Free memory was 100.1MB in the beginning and 98.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 526.40ms. Allocated memory is still 127.9MB. Free memory was 98.0MB in the beginning and 72.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 850927.86ms. Allocated memory was 127.9MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 71.4MB in the beginning and 719.1MB in the end (delta: -647.7MB). Peak memory consumption was 955.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 58208, independent: 53639, independent conditional: 8840, independent unconditional: 44799, dependent: 4569, dependent conditional: 4561, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53647, independent: 53639, independent conditional: 8840, independent unconditional: 44799, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 53647, independent: 53639, independent conditional: 8840, independent unconditional: 44799, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53647, independent: 53639, independent conditional: 0, independent unconditional: 53639, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 53647, independent: 53639, independent conditional: 0, independent unconditional: 53639, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53647, independent: 53639, independent conditional: 0, independent unconditional: 53639, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 29118, independent: 29110, independent conditional: 0, independent unconditional: 29110, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 29118, independent: 29110, independent conditional: 0, independent unconditional: 29110, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 51, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 53647, independent: 24529, independent conditional: 0, independent unconditional: 24529, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 29118, unknown conditional: 0, unknown unconditional: 29118] , Statistics on independence cache: Total cache size (in pairs): 29118, Positive cache size: 29110, Positive conditional cache size: 0, Positive unconditional cache size: 29110, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, 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: 4561 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 1959, Number of trivial persistent sets: 821, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44807, independent: 44799, independent conditional: 0, independent unconditional: 44799, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 58208, independent: 53639, independent conditional: 8840, independent unconditional: 44799, dependent: 4569, dependent conditional: 4561, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53647, independent: 53639, independent conditional: 8840, independent unconditional: 44799, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 53647, independent: 53639, independent conditional: 8840, independent unconditional: 44799, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53647, independent: 53639, independent conditional: 0, independent unconditional: 53639, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 53647, independent: 53639, independent conditional: 0, independent unconditional: 53639, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53647, independent: 53639, independent conditional: 0, independent unconditional: 53639, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 29118, independent: 29110, independent conditional: 0, independent unconditional: 29110, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 29118, independent: 29110, independent conditional: 0, independent unconditional: 29110, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 51, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 53647, independent: 24529, independent conditional: 0, independent unconditional: 24529, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 29118, unknown conditional: 0, unknown unconditional: 29118] , Statistics on independence cache: Total cache size (in pairs): 29118, Positive cache size: 29110, Positive conditional cache size: 0, Positive unconditional cache size: 29110, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, 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: 4561 - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 453 known predicates. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 453 known predicates. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 453 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 611 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 850.7s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 192.6s, 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: 743, 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: 0.4s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 651.9s InterpolantComputationTime, 11976 NumberOfCodeBlocks, 11928 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 17622 ConstructedInterpolants, 1056 QuantifiedInterpolants, 399359 SizeOfPredicates, 657 NumberOfNonLiveVariables, 9514 ConjunctsInSsa, 915 ConjunctsInUnsatCore, 39 InterpolantComputations, 5 PerfectInterpolantSequences, 4844/14112 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