/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 03:03:36,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 03:03:36,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 03:03:36,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 03:03:36,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 03:03:36,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 03:03:36,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 03:03:36,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 03:03:36,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 03:03:36,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 03:03:36,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 03:03:36,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 03:03:36,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 03:03:36,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 03:03:36,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 03:03:36,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 03:03:36,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-04 03:03:36,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 03:03:36,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 03:03:36,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 03:03:36,631 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 03:03:36,665 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 03:03:36,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 03:03:36,665 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 03:03:36,665 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 03:03:36,666 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 03:03:36,666 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 03:03:36,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 03:03:36,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 03:03:36,667 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 03:03:36,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 03:03:36,668 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 03:03:36,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 03:03:36,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 03:03:36,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 03:03:36,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 03:03:36,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 03:03:36,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 03:03:36,669 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 03:03:36,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 03:03:36,669 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 03:03:36,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 03:03:36,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 03:03:36,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 03:03:36,670 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 03:03:36,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 03:03:36,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 03:03:36,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 03:03:36,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 03:03:36,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 03:03:36,671 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 03:03:36,672 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 03:03:36,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 03:03:36,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 03:03:36,672 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 03:03:36,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 03:03:36,672 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 03:03:36,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-04 03:03:36,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 03:03:36,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 03:03:36,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 03:03:36,977 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 03:03:36,978 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 03:03:36,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2023-05-04 03:03:37,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55390f48b/33d536a9ce9f4b569b4f8258cbcaf824/FLAG5076b6493 [2023-05-04 03:03:37,515 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 03:03:37,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2023-05-04 03:03:37,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55390f48b/33d536a9ce9f4b569b4f8258cbcaf824/FLAG5076b6493 [2023-05-04 03:03:37,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55390f48b/33d536a9ce9f4b569b4f8258cbcaf824 [2023-05-04 03:03:37,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 03:03:37,543 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 03:03:37,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 03:03:37,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 03:03:37,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 03:03:37,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 03:03:37" (1/1) ... [2023-05-04 03:03:37,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574fbb3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:37, skipping insertion in model container [2023-05-04 03:03:37,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 03:03:37" (1/1) ... [2023-05-04 03:03:37,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 03:03:37,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 03:03:37,739 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] [2023-05-04 03:03:37,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 03:03:37,754 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 03:03:37,774 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] [2023-05-04 03:03:37,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 03:03:37,789 INFO L208 MainTranslator]: Completed translation [2023-05-04 03:03:37,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:37 WrapperNode [2023-05-04 03:03:37,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 03:03:37,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 03:03:37,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 03:03:37,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 03:03:37,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:37" (1/1) ... [2023-05-04 03:03:37,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:37" (1/1) ... [2023-05-04 03:03:37,862 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 17, calls inlined = 31, statements flattened = 277 [2023-05-04 03:03:37,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 03:03:37,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 03:03:37,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 03:03:37,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 03:03:37,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:37" (1/1) ... [2023-05-04 03:03:37,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:37" (1/1) ... [2023-05-04 03:03:37,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:37" (1/1) ... [2023-05-04 03:03:37,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:37" (1/1) ... [2023-05-04 03:03:37,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:37" (1/1) ... [2023-05-04 03:03:37,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:37" (1/1) ... [2023-05-04 03:03:37,918 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:37" (1/1) ... [2023-05-04 03:03:37,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:37" (1/1) ... [2023-05-04 03:03:37,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 03:03:37,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 03:03:37,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 03:03:37,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 03:03:37,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:37" (1/1) ... [2023-05-04 03:03:37,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 03:03:37,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:03:37,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 03:03:37,973 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 [2023-05-04 03:03:38,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 03:03:38,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 03:03:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 03:03:38,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 03:03:38,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 03:03:38,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 03:03:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 03:03:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 03:03:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 03:03:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 03:03:38,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 03:03:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 03:03:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 03:03:38,009 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 03:03:38,158 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 03:03:38,160 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 03:03:38,647 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 03:03:38,660 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 03:03:38,660 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 03:03:38,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:03:38 BoogieIcfgContainer [2023-05-04 03:03:38,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 03:03:38,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 03:03:38,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 03:03:38,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 03:03:38,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 03:03:37" (1/3) ... [2023-05-04 03:03:38,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3522ce52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 03:03:38, skipping insertion in model container [2023-05-04 03:03:38,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 03:03:37" (2/3) ... [2023-05-04 03:03:38,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3522ce52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 03:03:38, skipping insertion in model container [2023-05-04 03:03:38,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:03:38" (3/3) ... [2023-05-04 03:03:38,671 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2023-05-04 03:03:38,678 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 03:03:38,688 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 03:03:38,688 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 03:03:38,688 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 03:03:38,817 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 03:03:38,869 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 03:03:38,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 03:03:38,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:03:38,872 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) [2023-05-04 03:03:38,885 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 [2023-05-04 03:03:38,914 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 03:03:38,958 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 03:03:38,965 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;@4e3c741, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 03:03:38,966 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 03:03:39,303 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:03:39,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:03:39,311 INFO L85 PathProgramCache]: Analyzing trace with hash -911285619, now seen corresponding path program 1 times [2023-05-04 03:03:39,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:03:39,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685528539] [2023-05-04 03:03:39,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:03:39,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:03:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:03:39,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 03:03:39,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:03:39,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685528539] [2023-05-04 03:03:39,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685528539] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:03:39,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:03:39,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 03:03:39,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832454617] [2023-05-04 03:03:39,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:03:39,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 03:03:39,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:03:39,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 03:03:39,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 03:03:39,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:03:39,684 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:03:39,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 112.0) internal successors, (224), 2 states have internal predecessors, (224), 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) [2023-05-04 03:03:39,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:03:39,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:03:39,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 03:03:39,746 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:03:39,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:03:39,747 INFO L85 PathProgramCache]: Analyzing trace with hash 908639634, now seen corresponding path program 1 times [2023-05-04 03:03:39,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:03:39,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501378343] [2023-05-04 03:03:39,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:03:39,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:03:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:03:40,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:03:40,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:03:40,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501378343] [2023-05-04 03:03:40,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501378343] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:03:40,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:03:40,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 03:03:40,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520448621] [2023-05-04 03:03:40,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:03:40,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 03:03:40,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:03:40,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 03:03:40,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-05-04 03:03:40,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:03:40,507 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:03:40,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.666666666666664) internal successors, (220), 6 states have internal predecessors, (220), 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) [2023-05-04 03:03:40,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:03:40,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:03:40,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:03:40,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:03:40,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 03:03:40,620 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:03:40,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:03:40,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1079230220, now seen corresponding path program 1 times [2023-05-04 03:03:40,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:03:40,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039614729] [2023-05-04 03:03:40,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:03:40,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:03:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:03:41,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:03:41,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:03:41,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039614729] [2023-05-04 03:03:41,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039614729] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:03:41,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:03:41,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-05-04 03:03:41,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574512611] [2023-05-04 03:03:41,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:03:41,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 03:03:41,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:03:41,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 03:03:41,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2023-05-04 03:03:41,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:03:41,639 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:03:41,640 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) [2023-05-04 03:03:41,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:03:41,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 03:03:41,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:03:42,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:03:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:03:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 03:03:42,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 03:03:42,933 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:03:42,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:03:42,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1359297522, now seen corresponding path program 1 times [2023-05-04 03:03:42,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:03:42,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738881451] [2023-05-04 03:03:42,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:03:42,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:03:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:03:43,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 03:03:43,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:03:43,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738881451] [2023-05-04 03:03:43,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738881451] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 03:03:43,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 03:03:43,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-05-04 03:03:43,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458383605] [2023-05-04 03:03:43,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:03:43,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-04 03:03:43,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:03:43,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-04 03:03:43,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-05-04 03:03:43,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:03:43,423 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:03:43,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 30.666666666666668) internal successors, (276), 9 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) [2023-05-04 03:03:43,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:03:43,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:03:43,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 03:03:43,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:03:43,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:03:43,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:03:43,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 03:03:43,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:03:43,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 03:03:43,649 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:03:43,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:03:43,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1388312621, now seen corresponding path program 1 times [2023-05-04 03:03:43,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:03:43,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090893951] [2023-05-04 03:03:43,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:03:43,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:03:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:03:51,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:03:51,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:03:51,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090893951] [2023-05-04 03:03:51,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090893951] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:03:51,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907241604] [2023-05-04 03:03:51,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:03:51,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:03:51,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:03:51,708 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) [2023-05-04 03:03:51,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 03:03:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:03:51,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 95 conjunts are in the unsatisfiable core [2023-05-04 03:03:51,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:03:52,473 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 11 treesize of output 7 [2023-05-04 03:03:53,327 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 [2023-05-04 03:03:55,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:03:55,025 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2023-05-04 03:03:56,766 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 [2023-05-04 03:03:57,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:03:57,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:03:59,808 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_~A~0.offset (* c_~j~0 4))) (.cse0 (+ c_~sum1~0 |c_thread1Thread1of1ForFork0_plus_#res#1|))) (and (forall ((v_ArrVal_68 (Array Int Int))) (<= .cse0 (+ c_~bag2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse1) c_~sum2~0))) (forall ((v_ArrVal_68 (Array Int Int))) (<= (+ c_~bag2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse1) c_~sum2~0) .cse0)))) is different from false [2023-05-04 03:04:00,313 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_~sum1~0 |c_thread1Thread1of1ForFork0_plus_#in~b#1| |c_thread1Thread1of1ForFork0_plus_#in~a#1|)) (.cse0 (+ c_~A~0.offset (* c_~j~0 4)))) (and (forall ((v_ArrVal_68 (Array Int Int))) (<= (+ c_~bag2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse0) c_~sum2~0) .cse1)) (forall ((v_ArrVal_68 (Array Int Int))) (<= .cse1 (+ c_~bag2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse0) c_~sum2~0))))) is different from false [2023-05-04 03:04:00,333 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_thread1Thread1of1ForFork0_#t~mem3#1| c_~bag1~0 c_~sum1~0)) (.cse0 (+ c_~A~0.offset (* c_~j~0 4)))) (and (forall ((v_ArrVal_68 (Array Int Int))) (<= (+ c_~bag2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse0) c_~sum2~0) .cse1)) (forall ((v_ArrVal_68 (Array Int Int))) (<= .cse1 (+ c_~bag2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse0) c_~sum2~0))))) is different from false [2023-05-04 03:04:00,753 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (+ c_~A~0.offset (* c_~i~0 4))) (.cse1 (+ c_~A~0.offset (* c_~j~0 4)))) (and (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67))) (<= (+ c_~bag2~0 (select (select (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse1) c_~sum2~0) (+ (select (select .cse0 c_~A~0.base) .cse2) c_~bag1~0 c_~sum1~0)))) (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67))) (<= (+ (select (select .cse3 c_~A~0.base) .cse2) c_~bag1~0 c_~sum1~0) (+ c_~bag2~0 (select (select (store .cse3 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse1) c_~sum2~0)))))) is different from false [2023-05-04 03:04:01,417 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67))) (<= (select (select .cse0 c_~A~0.base) c_~A~0.offset) (select (select (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) c_~A~0.offset)))) (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67))) (<= (select (select (store .cse1 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) c_~A~0.offset) (select (select .cse1 c_~A~0.base) c_~A~0.offset))))) is different from false [2023-05-04 03:04:01,434 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67))) (<= (select (select (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_main_#t~ret26#1.base|) |c_ULTIMATE.start_main_#t~ret26#1.offset|) (select (select .cse0 |c_ULTIMATE.start_main_#t~ret26#1.base|) |c_ULTIMATE.start_main_#t~ret26#1.offset|)))) (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67))) (<= (select (select .cse1 |c_ULTIMATE.start_main_#t~ret26#1.base|) |c_ULTIMATE.start_main_#t~ret26#1.offset|) (select (select (store .cse1 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_main_#t~ret26#1.base|) |c_ULTIMATE.start_main_#t~ret26#1.offset|))))) is different from false [2023-05-04 03:04:01,448 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67))) (<= (select (select (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67))) (<= (select (select .cse1 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) (select (select (store .cse1 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))))) is different from false [2023-05-04 03:04:01,457 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67))) (<= (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select (select (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67))) (<= (select (select (store .cse1 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select (select .cse1 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))))) is different from false [2023-05-04 03:04:01,489 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:04:01,489 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 33 [2023-05-04 03:04:01,493 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 246 treesize of output 214 [2023-05-04 03:04:01,501 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 58 treesize of output 54 [2023-05-04 03:04:01,503 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 69 treesize of output 59 [2023-05-04 03:04:01,526 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-05-04 03:04:01,526 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 1 [2023-05-04 03:04:01,850 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2023-05-04 03:04:01,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907241604] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:04:01,850 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:04:01,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 44, 43] total 137 [2023-05-04 03:04:01,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964676064] [2023-05-04 03:04:01,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:04:01,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2023-05-04 03:04:01,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:04:01,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2023-05-04 03:04:01,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=15797, Unknown=291, NotChecked=2088, Total=18632 [2023-05-04 03:04:01,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:01,859 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:04:01,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 5.4963503649635035) internal successors, (753), 137 states have internal predecessors, (753), 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) [2023-05-04 03:04:01,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:01,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:04:01,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 03:04:01,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:04:01,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:13,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:13,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:04:13,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 03:04:13,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:04:13,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2023-05-04 03:04:13,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 03:04:13,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:04:13,449 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:04:13,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:04:13,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1276481298, now seen corresponding path program 2 times [2023-05-04 03:04:13,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:04:13,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677474900] [2023-05-04 03:04:13,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:04:13,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:04:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:04:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 174 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 03:04:14,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:04:14,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677474900] [2023-05-04 03:04:14,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677474900] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:04:14,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112500542] [2023-05-04 03:04:14,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 03:04:14,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:04:14,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:04:14,341 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) [2023-05-04 03:04:14,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 03:04:14,502 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 03:04:14,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:04:14,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 03:04:14,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:04:14,934 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-05-04 03:04:14,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:04:15,366 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-05-04 03:04:15,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112500542] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:04:15,367 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:04:15,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 13] total 38 [2023-05-04 03:04:15,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409816106] [2023-05-04 03:04:15,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:04:15,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-05-04 03:04:15,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:04:15,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-05-04 03:04:15,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1256, Unknown=0, NotChecked=0, Total=1406 [2023-05-04 03:04:15,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:15,370 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:04:15,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 17.105263157894736) internal successors, (650), 38 states have internal predecessors, (650), 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) [2023-05-04 03:04:15,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:15,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:04:15,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 03:04:15,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:04:15,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2023-05-04 03:04:15,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:18,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:18,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:04:18,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 03:04:18,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:04:18,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-04 03:04:18,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 03:04:18,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 03:04:18,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:04:18,520 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:04:18,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:04:18,520 INFO L85 PathProgramCache]: Analyzing trace with hash -870186663, now seen corresponding path program 1 times [2023-05-04 03:04:18,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:04:18,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087348992] [2023-05-04 03:04:18,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:04:18,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:04:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:04:18,946 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 03:04:18,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:04:18,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087348992] [2023-05-04 03:04:18,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087348992] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:04:18,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396792300] [2023-05-04 03:04:18,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:04:18,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:04:18,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:04:18,948 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) [2023-05-04 03:04:18,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 03:04:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:04:19,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 03:04:19,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:04:19,672 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 67 proven. 15 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-05-04 03:04:19,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:04:20,127 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-05-04 03:04:20,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396792300] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 03:04:20,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 03:04:20,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [10, 13] total 32 [2023-05-04 03:04:20,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109279577] [2023-05-04 03:04:20,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 03:04:20,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-04 03:04:20,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:04:20,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-04 03:04:20,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=839, Unknown=0, NotChecked=0, Total=992 [2023-05-04 03:04:20,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:20,130 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:04:20,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 22.846153846153847) internal successors, (297), 13 states have internal predecessors, (297), 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) [2023-05-04 03:04:20,130 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:20,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:04:20,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 03:04:20,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:04:20,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-04 03:04:20,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 03:04:20,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:21,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:21,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:04:21,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 03:04:21,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:04:21,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-04 03:04:21,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 03:04:21,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 03:04:21,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-04 03:04:21,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:04:21,301 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:04:21,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:04:21,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1028796101, now seen corresponding path program 1 times [2023-05-04 03:04:21,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:04:21,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485577269] [2023-05-04 03:04:21,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:04:21,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:04:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:04:21,962 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 5 proven. 79 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-05-04 03:04:21,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:04:21,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485577269] [2023-05-04 03:04:21,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485577269] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:04:21,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556902793] [2023-05-04 03:04:21,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:04:21,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:04:21,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:04:21,965 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) [2023-05-04 03:04:21,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 03:04:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:04:22,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-04 03:04:22,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:04:22,998 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 12 proven. 72 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-05-04 03:04:22,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:04:23,580 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 27 proven. 57 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-05-04 03:04:23,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556902793] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:04:23,580 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:04:23,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2023-05-04 03:04:23,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049026819] [2023-05-04 03:04:23,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:04:23,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-04 03:04:23,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:04:23,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-04 03:04:23,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=1116, Unknown=0, NotChecked=0, Total=1332 [2023-05-04 03:04:23,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:23,583 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:04:23,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 20.7027027027027) internal successors, (766), 37 states have internal predecessors, (766), 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) [2023-05-04 03:04:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:04:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 03:04:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:04:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-04 03:04:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 03:04:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 03:04:23,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:24,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:24,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:04:24,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 03:04:24,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:04:24,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-04 03:04:24,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 03:04:24,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 03:04:24,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 03:04:24,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 03:04:24,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:04:24,589 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:04:24,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:04:24,590 INFO L85 PathProgramCache]: Analyzing trace with hash 43679803, now seen corresponding path program 2 times [2023-05-04 03:04:24,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:04:24,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025215174] [2023-05-04 03:04:24,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:04:24,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:04:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:04:25,884 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 571 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:04:25,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:04:25,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025215174] [2023-05-04 03:04:25,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025215174] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:04:25,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040247840] [2023-05-04 03:04:25,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 03:04:25,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:04:25,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:04:25,886 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) [2023-05-04 03:04:25,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 03:04:26,069 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 03:04:26,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:04:26,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 24 conjunts are in the unsatisfiable core [2023-05-04 03:04:26,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:04:27,386 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 464 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:04:27,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:04:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 571 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:04:28,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040247840] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:04:28,234 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:04:28,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 55 [2023-05-04 03:04:28,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293398948] [2023-05-04 03:04:28,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:04:28,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-05-04 03:04:28,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:04:28,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-05-04 03:04:28,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=476, Invalid=2494, Unknown=0, NotChecked=0, Total=2970 [2023-05-04 03:04:28,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:28,237 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:04:28,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 23.272727272727273) internal successors, (1280), 55 states have internal predecessors, (1280), 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) [2023-05-04 03:04:28,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:28,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:04:28,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 03:04:28,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:04:28,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-04 03:04:28,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 03:04:28,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 03:04:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 03:04:28,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:28,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:04:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 03:04:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:04:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-04 03:04:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 03:04:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 03:04:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 03:04:28,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 03:04:28,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 03:04:28,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:04:28,921 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:04:28,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:04:28,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1475333285, now seen corresponding path program 3 times [2023-05-04 03:04:28,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:04:28,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320725733] [2023-05-04 03:04:28,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:04:28,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:04:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:04:30,204 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 32 proven. 558 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-05-04 03:04:30,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:04:30,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320725733] [2023-05-04 03:04:30,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320725733] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:04:30,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418694695] [2023-05-04 03:04:30,205 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 03:04:30,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:04:30,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:04:30,209 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) [2023-05-04 03:04:30,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 03:04:30,497 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-04 03:04:30,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:04:30,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-04 03:04:30,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:04:31,860 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 7 proven. 564 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-04 03:04:31,860 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:04:32,649 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 118 proven. 169 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2023-05-04 03:04:32,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418694695] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:04:32,650 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:04:32,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20, 11] total 50 [2023-05-04 03:04:32,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380517300] [2023-05-04 03:04:32,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:04:32,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-05-04 03:04:32,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:04:32,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-05-04 03:04:32,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=2255, Unknown=0, NotChecked=0, Total=2450 [2023-05-04 03:04:32,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:32,654 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:04:32,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 27.42) internal successors, (1371), 50 states have internal predecessors, (1371), 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) [2023-05-04 03:04:32,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:04:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 03:04:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:04:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-04 03:04:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 03:04:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 03:04:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 03:04:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-04 03:04:32,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:35,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:04:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:04:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 03:04:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:04:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-04 03:04:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 03:04:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 03:04:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 03:04:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 03:04:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-04 03:04:35,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 03:04:35,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:04:35,928 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:04:35,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:04:35,928 INFO L85 PathProgramCache]: Analyzing trace with hash 2030889109, now seen corresponding path program 1 times [2023-05-04 03:04:35,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:04:35,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800268089] [2023-05-04 03:04:35,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:04:35,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:04:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:05:15,142 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 0 proven. 928 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:05:15,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:05:15,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800268089] [2023-05-04 03:05:15,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800268089] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:05:15,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871526816] [2023-05-04 03:05:15,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:05:15,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:05:15,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:05:15,144 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) [2023-05-04 03:05:15,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 03:05:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:05:15,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 1246 conjuncts, 269 conjunts are in the unsatisfiable core [2023-05-04 03:05:15,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:05:20,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:05:20,749 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2023-05-04 03:05:50,129 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:05:50,130 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 75 treesize of output 19 [2023-05-04 03:05:50,750 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 0 proven. 926 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 03:05:50,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:06:20,037 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_273 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_273) c_~A~0.base))) (= (let ((.cse1 (* c_~i~0 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1)) (select .cse0 (+ c_~A~0.offset .cse1 4)) (select .cse0 (+ c_~A~0.offset .cse1 8)) c_~bag1~0 c_~sum1~0 (select .cse0 (+ c_~A~0.offset .cse1 12)))) (let ((.cse2 (* c_~j~0 4))) (+ c_~bag2~0 (select .cse0 (+ c_~A~0.offset 16 .cse2)) (select .cse0 (+ c_~A~0.offset 12 .cse2)) (select .cse0 (+ c_~A~0.offset .cse2 4)) c_~sum2~0 (select .cse0 (+ c_~A~0.offset .cse2)) (select .cse0 (+ c_~A~0.offset 8 .cse2))))))) is different from false [2023-05-04 03:06:20,070 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_273 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_273) c_~A~0.base))) (= (let ((.cse1 (* |c_thread1Thread1of1ForFork0_#t~post7#1| 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 12)) c_~bag1~0 (select .cse0 (+ c_~A~0.offset .cse1 8)) c_~sum1~0 (select .cse0 (+ c_~A~0.offset .cse1 4)) (select .cse0 (+ c_~A~0.offset 16 .cse1)))) (let ((.cse2 (* c_~j~0 4))) (+ c_~bag2~0 (select .cse0 (+ c_~A~0.offset 16 .cse2)) (select .cse0 (+ c_~A~0.offset 12 .cse2)) (select .cse0 (+ c_~A~0.offset .cse2 4)) c_~sum2~0 (select .cse0 (+ c_~A~0.offset .cse2)) (select .cse0 (+ c_~A~0.offset 8 .cse2))))))) is different from false [2023-05-04 03:06:20,081 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_273 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_273) c_~A~0.base))) (= (let ((.cse1 (* c_~i~0 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 4)) (select .cse0 (+ c_~A~0.offset .cse1 8)) c_~bag1~0 c_~sum1~0 (select .cse0 (+ c_~A~0.offset .cse1 12)) (select .cse0 (+ c_~A~0.offset 16 .cse1)))) (let ((.cse2 (* c_~j~0 4))) (+ c_~bag2~0 (select .cse0 (+ c_~A~0.offset 16 .cse2)) (select .cse0 (+ c_~A~0.offset 12 .cse2)) (select .cse0 (+ c_~A~0.offset .cse2 4)) c_~sum2~0 (select .cse0 (+ c_~A~0.offset .cse2)) (select .cse0 (+ c_~A~0.offset 8 .cse2))))))) is different from false [2023-05-04 03:06:20,830 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_273 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_273) c_~A~0.base))) (= (let ((.cse1 (* c_~i~0 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 4)) (select .cse0 (+ c_~A~0.offset .cse1 8)) c_~sum1~0 |c_thread1Thread1of1ForFork0_plus_#res#1| (select .cse0 (+ c_~A~0.offset .cse1 12)) (select .cse0 (+ c_~A~0.offset 16 .cse1)))) (let ((.cse2 (* c_~j~0 4))) (+ c_~bag2~0 (select .cse0 (+ c_~A~0.offset 16 .cse2)) (select .cse0 (+ c_~A~0.offset 12 .cse2)) (select .cse0 (+ c_~A~0.offset .cse2 4)) c_~sum2~0 (select .cse0 (+ c_~A~0.offset .cse2)) (select .cse0 (+ c_~A~0.offset 8 .cse2))))))) is different from false [2023-05-04 03:06:20,838 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_273 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_273) c_~A~0.base))) (= (let ((.cse1 (* c_~i~0 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 4)) (select .cse0 (+ c_~A~0.offset .cse1 8)) c_~sum1~0 |c_thread1Thread1of1ForFork0_plus_~a#1| |c_thread1Thread1of1ForFork0_plus_~b#1| (select .cse0 (+ c_~A~0.offset .cse1 12)) (select .cse0 (+ c_~A~0.offset 16 .cse1)))) (let ((.cse2 (* c_~j~0 4))) (+ c_~bag2~0 (select .cse0 (+ c_~A~0.offset 16 .cse2)) (select .cse0 (+ c_~A~0.offset 12 .cse2)) (select .cse0 (+ c_~A~0.offset .cse2 4)) c_~sum2~0 (select .cse0 (+ c_~A~0.offset .cse2)) (select .cse0 (+ c_~A~0.offset 8 .cse2))))))) is different from false [2023-05-04 03:06:21,694 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_273 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_273) c_~A~0.base))) (= (let ((.cse1 (* c_~i~0 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 4)) (select .cse0 (+ c_~A~0.offset .cse1 8)) c_~sum1~0 |c_thread1Thread1of1ForFork0_plus_#in~b#1| (select .cse0 (+ c_~A~0.offset .cse1 12)) |c_thread1Thread1of1ForFork0_plus_#in~a#1| (select .cse0 (+ c_~A~0.offset 16 .cse1)))) (let ((.cse2 (* c_~j~0 4))) (+ c_~bag2~0 (select .cse0 (+ c_~A~0.offset 16 .cse2)) (select .cse0 (+ c_~A~0.offset 12 .cse2)) (select .cse0 (+ c_~A~0.offset .cse2 4)) c_~sum2~0 (select .cse0 (+ c_~A~0.offset .cse2)) (select .cse0 (+ c_~A~0.offset 8 .cse2))))))) is different from false [2023-05-04 03:06:22,558 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:06:22,558 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 202 treesize of output 446 [2023-05-04 03:06:22,676 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:06:22,676 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 83 treesize of output 294 [2023-05-04 03:06:28,484 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 0 proven. 822 refuted. 0 times theorem prover too weak. 75 trivial. 31 not checked. [2023-05-04 03:06:28,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871526816] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:06:28,485 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:06:28,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [172, 124, 116] total 388 [2023-05-04 03:06:28,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3616371] [2023-05-04 03:06:28,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:06:28,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 388 states [2023-05-04 03:06:28,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:06:28,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 388 interpolants. [2023-05-04 03:06:28,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2037, Invalid=143319, Unknown=210, NotChecked=4590, Total=150156 [2023-05-04 03:06:28,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:06:28,501 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:06:28,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 388 states, 388 states have (on average 5.427835051546392) internal successors, (2106), 388 states have internal predecessors, (2106), 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) [2023-05-04 03:06:28,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:06:28,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:06:28,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 03:06:28,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:06:28,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-04 03:06:28,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 03:06:28,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 03:06:28,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 03:06:28,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-04 03:06:28,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-04 03:06:28,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:09:14,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:09:14,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:09:14,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 03:09:14,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:09:14,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-04 03:09:14,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 03:09:14,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 03:09:14,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 03:09:14,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 03:09:14,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-04 03:09:14,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 343 states. [2023-05-04 03:09:14,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-05-04 03:09:14,857 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,SelfDestructingSolverStorable10 [2023-05-04 03:09:14,857 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:09:14,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:09:14,858 INFO L85 PathProgramCache]: Analyzing trace with hash 604245302, now seen corresponding path program 2 times [2023-05-04 03:09:14,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:09:14,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179283176] [2023-05-04 03:09:14,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:09:14,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:09:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:09:17,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3566 backedges. 3425 proven. 111 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-04 03:09:17,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:09:17,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179283176] [2023-05-04 03:09:17,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179283176] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:09:17,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340666455] [2023-05-04 03:09:17,836 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 03:09:17,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:09:17,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:09:17,844 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) [2023-05-04 03:09:17,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-04 03:09:18,224 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 03:09:18,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:09:18,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 1947 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-04 03:09:18,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:09:20,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3566 backedges. 3214 proven. 322 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-04 03:09:20,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 03:09:22,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3566 backedges. 3425 proven. 111 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-04 03:09:22,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340666455] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 03:09:22,843 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 03:09:22,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 91 [2023-05-04 03:09:22,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870651868] [2023-05-04 03:09:22,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 03:09:22,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2023-05-04 03:09:22,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 03:09:22,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2023-05-04 03:09:22,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1224, Invalid=6966, Unknown=0, NotChecked=0, Total=8190 [2023-05-04 03:09:22,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:09:22,849 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 03:09:22,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 27.197802197802197) internal successors, (2475), 91 states have internal predecessors, (2475), 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) [2023-05-04 03:09:22,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:09:22,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:09:22,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 03:09:22,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:09:22,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-04 03:09:22,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 03:09:22,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 03:09:22,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 03:09:22,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-04 03:09:22,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-04 03:09:22,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 343 states. [2023-05-04 03:09:22,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:09:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 03:09:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 03:09:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 03:09:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 03:09:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-04 03:09:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 03:09:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 03:09:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 03:09:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 03:09:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-04 03:09:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 343 states. [2023-05-04 03:09:23,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-04 03:09:23,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-05-04 03:09:24,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:09:24,189 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 03:09:24,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 03:09:24,190 INFO L85 PathProgramCache]: Analyzing trace with hash 167707733, now seen corresponding path program 3 times [2023-05-04 03:09:24,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 03:09:24,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71261207] [2023-05-04 03:09:24,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 03:09:24,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 03:09:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 03:10:53,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3716 backedges. 161 proven. 3555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 03:10:53,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 03:10:53,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71261207] [2023-05-04 03:10:53,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71261207] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 03:10:53,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642812299] [2023-05-04 03:10:53,996 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 03:10:53,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 03:10:53,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 03:10:54,002 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) [2023-05-04 03:10:54,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-04 03:10:54,615 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2023-05-04 03:10:54,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 03:10:54,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 1986 conjuncts, 465 conjunts are in the unsatisfiable core [2023-05-04 03:10:54,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 03:10:55,920 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 [2023-05-04 03:10:55,962 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 [2023-05-04 03:10:56,003 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 [2023-05-04 03:10:56,225 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 [2023-05-04 03:10:58,045 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 [2023-05-04 03:11:00,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:11:00,354 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2023-05-04 03:12:31,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 03:12:31,626 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 03:12:31,626 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 17 select indices, 17 select index equivalence classes, 100 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 177 treesize of output 525 [2023-05-04 03:12:33,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3716 backedges. 57 proven. 3455 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-05-04 03:12:33,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-05-04 03:16:10,919 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 [2023-05-04 03:16:10,925 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 03:16:10,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-04 03:16:10,962 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 [2023-05-04 03:16:10,967 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 03:16:11,129 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,SelfDestructingSolverStorable12 [2023-05-04 03:16:11,130 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1243 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 643 known predicates. [2023-05-04 03:16:11,131 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 03:16:11,131 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 03:16:11,135 INFO L444 BasicCegarLoop]: Path program histogram: [3, 3, 2, 1, 1, 1, 1, 1] [2023-05-04 03:16:11,138 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 03:16:11,138 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 03:16:11,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 03:16:11 BasicIcfg [2023-05-04 03:16:11,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 03:16:11,141 INFO L158 Benchmark]: Toolchain (without parser) took 753597.59ms. Allocated memory was 190.8MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 163.4MB in the beginning and 862.0MB in the end (delta: -698.5MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2023-05-04 03:16:11,141 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 190.8MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 03:16:11,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.51ms. Allocated memory is still 190.8MB. Free memory was 163.2MB in the beginning and 162.1MB in the end (delta: 1.1MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-05-04 03:16:11,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.26ms. Allocated memory is still 190.8MB. Free memory was 162.1MB in the beginning and 159.3MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-04 03:16:11,141 INFO L158 Benchmark]: Boogie Preprocessor took 60.25ms. Allocated memory is still 190.8MB. Free memory was 159.3MB in the beginning and 157.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 03:16:11,142 INFO L158 Benchmark]: RCFGBuilder took 739.03ms. Allocated memory is still 190.8MB. Free memory was 157.2MB in the beginning and 132.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-05-04 03:16:11,142 INFO L158 Benchmark]: TraceAbstraction took 752475.39ms. Allocated memory was 190.8MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 130.7MB in the beginning and 862.0MB in the end (delta: -731.2MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2023-05-04 03:16:11,143 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 190.8MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 244.51ms. Allocated memory is still 190.8MB. Free memory was 163.2MB in the beginning and 162.1MB in the end (delta: 1.1MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 72.26ms. Allocated memory is still 190.8MB. Free memory was 162.1MB in the beginning and 159.3MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 60.25ms. Allocated memory is still 190.8MB. Free memory was 159.3MB in the beginning and 157.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 739.03ms. Allocated memory is still 190.8MB. Free memory was 157.2MB in the beginning and 132.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 752475.39ms. Allocated memory was 190.8MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 130.7MB in the beginning and 862.0MB in the end (delta: -731.2MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 69537, independent: 64839, independent conditional: 21320, independent unconditional: 43519, dependent: 4698, dependent conditional: 4687, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 64850, independent: 64839, independent conditional: 21320, independent unconditional: 43519, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 64850, independent: 64839, independent conditional: 21320, independent unconditional: 43519, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 64850, independent: 64839, independent conditional: 0, independent unconditional: 64839, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 64850, independent: 64839, independent conditional: 0, independent unconditional: 64839, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 64850, independent: 64839, independent conditional: 0, independent unconditional: 64839, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39640, independent: 39629, independent conditional: 0, independent unconditional: 39629, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39640, independent: 39629, independent conditional: 0, independent unconditional: 39629, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 86, dependent conditional: 0, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 64850, independent: 25210, independent conditional: 0, independent unconditional: 25210, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 39640, unknown conditional: 0, unknown unconditional: 39640] , Statistics on independence cache: Total cache size (in pairs): 39640, Positive cache size: 39629, Positive conditional cache size: 0, Positive unconditional cache size: 39629, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, 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: 4687 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 1136, Number of trivial persistent sets: 638, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43530, independent: 43519, independent conditional: 0, independent unconditional: 43519, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 69537, independent: 64839, independent conditional: 21320, independent unconditional: 43519, dependent: 4698, dependent conditional: 4687, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 64850, independent: 64839, independent conditional: 21320, independent unconditional: 43519, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 64850, independent: 64839, independent conditional: 21320, independent unconditional: 43519, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 64850, independent: 64839, independent conditional: 0, independent unconditional: 64839, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 64850, independent: 64839, independent conditional: 0, independent unconditional: 64839, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 64850, independent: 64839, independent conditional: 0, independent unconditional: 64839, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39640, independent: 39629, independent conditional: 0, independent unconditional: 39629, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39640, independent: 39629, independent conditional: 0, independent unconditional: 39629, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 86, dependent conditional: 0, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 64850, independent: 25210, independent conditional: 0, independent unconditional: 25210, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 39640, unknown conditional: 0, unknown unconditional: 39640] , Statistics on independence cache: Total cache size (in pairs): 39640, Positive cache size: 39629, Positive conditional cache size: 0, Positive unconditional cache size: 39629, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, 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: 4687 - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 1243 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 643 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 PartialOrderCegarLoop was analyzing trace of length 1243 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 643 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 PartialOrderCegarLoop was analyzing trace of length 1243 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 643 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: 752.2s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 188.9s, 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: 661, 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, 151.2s InterpolantComputationTime, 10315 NumberOfCodeBlocks, 10315 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 15003 ConstructedInterpolants, 114 QuantifiedInterpolants, 199343 SizeOfPredicates, 389 NumberOfNonLiveVariables, 7841 ConjunctsInSsa, 491 ConjunctsInUnsatCore, 28 InterpolantComputations, 5 PerfectInterpolantSequences, 13633/18607 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