/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-ticket-6.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 23:10:38,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-19 23:10:38,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-19 23:10:38,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-19 23:10:38,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-19 23:10:38,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-19 23:10:38,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-19 23:10:38,847 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 23:10:38,875 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 23:10:38,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 23:10:38,876 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 23:10:38,876 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 23:10:38,877 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 23:10:38,877 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 23:10:38,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 23:10:38,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 23:10:38,878 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 23:10:38,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 23:10:38,879 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 23:10:38,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 23:10:38,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 23:10:38,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 23:10:38,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 23:10:38,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 23:10:38,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 23:10:38,879 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 23:10:38,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 23:10:38,880 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 23:10:38,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 23:10:38,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 23:10:38,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 23:10:38,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 23:10:38,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 23:10:38,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 23:10:38,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 23:10:38,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 23:10:38,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 23:10:38,881 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 23:10:38,881 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 23:10:38,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 23:10:38,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 23:10:38,882 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 23:10:38,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 23:10:38,882 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 23:10:38,882 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-19 23:10:39,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 23:10:39,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 23:10:39,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 23:10:39,124 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-19 23:10:39,125 INFO L275 PluginConnector]: CDTParser initialized [2023-05-19 23:10:39,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c [2023-05-19 23:10:39,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95922bc09/f5ff5df7fbc74dbbb58e996fbf895591/FLAG78f3f14cc [2023-05-19 23:10:39,571 INFO L306 CDTParser]: Found 1 translation units. [2023-05-19 23:10:39,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c [2023-05-19 23:10:39,580 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95922bc09/f5ff5df7fbc74dbbb58e996fbf895591/FLAG78f3f14cc [2023-05-19 23:10:39,591 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95922bc09/f5ff5df7fbc74dbbb58e996fbf895591 [2023-05-19 23:10:39,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 23:10:39,594 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-19 23:10:39,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-19 23:10:39,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-19 23:10:39,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-19 23:10:39,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.05 11:10:39" (1/1) ... [2023-05-19 23:10:39,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13cb3018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:10:39, skipping insertion in model container [2023-05-19 23:10:39,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.05 11:10:39" (1/1) ... [2023-05-19 23:10:39,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-19 23:10:39,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-19 23:10:39,829 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-ticket-6.wvr.c[4400,4413] [2023-05-19 23:10:39,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-19 23:10:39,839 INFO L203 MainTranslator]: Completed pre-run [2023-05-19 23:10:39,879 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-ticket-6.wvr.c[4400,4413] [2023-05-19 23:10:39,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-19 23:10:39,894 INFO L208 MainTranslator]: Completed translation [2023-05-19 23:10:39,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:10:39 WrapperNode [2023-05-19 23:10:39,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-19 23:10:39,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 23:10:39,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 23:10:39,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 23:10:39,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:10:39" (1/1) ... [2023-05-19 23:10:39,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:10:39" (1/1) ... [2023-05-19 23:10:39,949 INFO L138 Inliner]: procedures = 25, calls = 100, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 278 [2023-05-19 23:10:39,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 23:10:39,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 23:10:39,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 23:10:39,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 23:10:39,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:10:39" (1/1) ... [2023-05-19 23:10:39,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:10:39" (1/1) ... [2023-05-19 23:10:39,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:10:39" (1/1) ... [2023-05-19 23:10:39,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:10:39" (1/1) ... [2023-05-19 23:10:39,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:10:39" (1/1) ... [2023-05-19 23:10:39,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:10:39" (1/1) ... [2023-05-19 23:10:39,975 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:10:39" (1/1) ... [2023-05-19 23:10:39,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:10:39" (1/1) ... [2023-05-19 23:10:39,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 23:10:39,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 23:10:39,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 23:10:39,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 23:10:39,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:10:39" (1/1) ... [2023-05-19 23:10:39,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 23:10:40,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:10:40,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-19 23:10:40,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-19 23:10:40,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-19 23:10:40,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-19 23:10:40,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-19 23:10:40,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-19 23:10:40,045 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 23:10:40,045 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 23:10:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 23:10:40,046 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 23:10:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 23:10:40,046 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 23:10:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-19 23:10:40,046 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-19 23:10:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-19 23:10:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-05-19 23:10:40,047 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-05-19 23:10:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-05-19 23:10:40,047 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-05-19 23:10:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-19 23:10:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-19 23:10:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 23:10:40,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 23:10:40,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-19 23:10:40,049 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 23:10:40,139 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 23:10:40,158 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 23:10:40,532 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 23:10:40,611 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 23:10:40,612 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 23:10:40,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 11:10:40 BoogieIcfgContainer [2023-05-19 23:10:40,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 23:10:40,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 23:10:40,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 23:10:40,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 23:10:40,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.05 11:10:39" (1/3) ... [2023-05-19 23:10:40,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec39177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 11:10:40, skipping insertion in model container [2023-05-19 23:10:40,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:10:39" (2/3) ... [2023-05-19 23:10:40,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec39177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 11:10:40, skipping insertion in model container [2023-05-19 23:10:40,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 11:10:40" (3/3) ... [2023-05-19 23:10:40,631 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-6.wvr.c [2023-05-19 23:10:40,642 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 23:10:40,650 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 23:10:40,650 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 23:10:40,651 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 23:10:40,748 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2023-05-19 23:10:40,794 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 23:10:40,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 23:10:40,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:10:40,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-19 23:10:40,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-19 23:10:40,841 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 23:10:40,864 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 23:10:40,871 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;@6c8668d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 23:10:40,871 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-05-19 23:10:41,426 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-05-19 23:10:41,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:10:41,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1012598515, now seen corresponding path program 1 times [2023-05-19 23:10:41,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:10:41,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929246434] [2023-05-19 23:10:41,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:10:41,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:10:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:10:41,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 23:10:41,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:10:41,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929246434] [2023-05-19 23:10:41,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929246434] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 23:10:41,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 23:10:41,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-19 23:10:41,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395039297] [2023-05-19 23:10:41,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 23:10:41,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-19 23:10:41,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:10:41,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-19 23:10:41,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-19 23:10:41,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:10:41,814 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:10:41,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 81.5) internal successors, (163), 2 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) [2023-05-19 23:10:41,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:10:41,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:10:41,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 23:10:41,900 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-05-19 23:10:41,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:10:41,902 INFO L85 PathProgramCache]: Analyzing trace with hash -2084576513, now seen corresponding path program 1 times [2023-05-19 23:10:41,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:10:41,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454895813] [2023-05-19 23:10:41,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:10:41,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:10:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:10:43,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 23:10:43,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:10:43,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454895813] [2023-05-19 23:10:43,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454895813] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 23:10:43,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 23:10:43,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-05-19 23:10:43,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913285870] [2023-05-19 23:10:43,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 23:10:43,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-19 23:10:43,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:10:43,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-19 23:10:43,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-05-19 23:10:43,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:10:43,625 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:10:43,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.1) internal successors, (161), 10 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:10:43,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:10:43,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:10:52,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:10:52,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 23:10:52,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-19 23:10:52,985 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-05-19 23:10:52,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:10:52,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1348017531, now seen corresponding path program 2 times [2023-05-19 23:10:52,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:10:52,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447175885] [2023-05-19 23:10:52,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:10:52,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:10:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:10:53,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 23:10:53,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:10:53,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447175885] [2023-05-19 23:10:53,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447175885] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 23:10:53,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 23:10:53,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-19 23:10:53,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270631276] [2023-05-19 23:10:53,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 23:10:53,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-19 23:10:53,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:10:53,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-19 23:10:53,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-05-19 23:10:53,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:10:53,505 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:10:53,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:10:53,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:10:53,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 23:10:53,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:10:59,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:10:59,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 23:10:59,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:10:59,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-19 23:10:59,423 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-05-19 23:10:59,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:10:59,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1475070177, now seen corresponding path program 3 times [2023-05-19 23:10:59,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:10:59,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206762909] [2023-05-19 23:10:59,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:10:59,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:10:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:10:59,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 23:10:59,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:10:59,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206762909] [2023-05-19 23:10:59,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206762909] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 23:10:59,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 23:10:59,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-19 23:10:59,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265670332] [2023-05-19 23:10:59,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 23:10:59,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-19 23:10:59,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:10:59,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-19 23:10:59,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-05-19 23:10:59,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:10:59,796 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:10:59,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.125) internal successors, (161), 8 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:10:59,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:10:59,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 23:10:59,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:10:59,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:08,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:08,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 23:11:08,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:11:08,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 23:11:08,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-19 23:11:08,016 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-05-19 23:11:08,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:11:08,016 INFO L85 PathProgramCache]: Analyzing trace with hash 904432031, now seen corresponding path program 4 times [2023-05-19 23:11:08,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:11:08,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820532746] [2023-05-19 23:11:08,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:11:08,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:11:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:11:08,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 23:11:08,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:11:08,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820532746] [2023-05-19 23:11:08,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820532746] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 23:11:08,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 23:11:08,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-05-19 23:11:08,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040983797] [2023-05-19 23:11:08,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 23:11:08,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-19 23:11:08,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:11:08,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-19 23:11:08,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-05-19 23:11:08,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:08,331 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:11:08,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.88888888888889) internal successors, (161), 9 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:11:08,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:08,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 23:11:08,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:11:08,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 23:11:08,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:16,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 23:11:16,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:11:16,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 23:11:16,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:11:16,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-19 23:11:16,780 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-05-19 23:11:16,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:11:16,780 INFO L85 PathProgramCache]: Analyzing trace with hash -218332359, now seen corresponding path program 5 times [2023-05-19 23:11:16,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:11:16,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481770498] [2023-05-19 23:11:16,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:11:16,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:11:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:11:17,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 23:11:17,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:11:17,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481770498] [2023-05-19 23:11:17,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481770498] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 23:11:17,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 23:11:17,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-05-19 23:11:17,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734891992] [2023-05-19 23:11:17,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 23:11:17,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-19 23:11:17,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:11:17,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-19 23:11:17,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2023-05-19 23:11:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:17,159 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:11:17,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.1) internal successors, (161), 10 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:11:17,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:17,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 23:11:17,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:11:17,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 23:11:17,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:11:17,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:25,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:25,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 23:11:25,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:11:25,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 23:11:25,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:11:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-19 23:11:25,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-19 23:11:25,861 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-05-19 23:11:25,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:11:25,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1485601015, now seen corresponding path program 6 times [2023-05-19 23:11:25,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:11:25,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233874973] [2023-05-19 23:11:25,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:11:25,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:11:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:11:26,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 23:11:26,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:11:26,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233874973] [2023-05-19 23:11:26,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233874973] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 23:11:26,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 23:11:26,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-05-19 23:11:26,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672254785] [2023-05-19 23:11:26,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 23:11:26,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-19 23:11:26,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:11:26,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-19 23:11:26,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2023-05-19 23:11:26,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:26,212 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:11:26,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.636363636363637) internal successors, (161), 11 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:11:26,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:26,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 23:11:26,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:11:26,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 23:11:26,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:11:26,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-19 23:11:26,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:35,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:35,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 23:11:35,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:11:35,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 23:11:35,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:11:35,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-19 23:11:35,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 23:11:35,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-19 23:11:35,174 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-05-19 23:11:35,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:11:35,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1277067069, now seen corresponding path program 7 times [2023-05-19 23:11:35,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:11:35,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519733192] [2023-05-19 23:11:35,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:11:35,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:11:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:11:35,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 23:11:35,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:11:35,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519733192] [2023-05-19 23:11:35,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519733192] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 23:11:35,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 23:11:35,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-05-19 23:11:35,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445474431] [2023-05-19 23:11:35,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 23:11:35,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-19 23:11:35,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:11:35,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-19 23:11:35,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2023-05-19 23:11:35,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:35,734 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:11:35,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.1) internal successors, (161), 10 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:11:35,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:35,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 23:11:35,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:11:35,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 23:11:35,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:11:35,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-19 23:11:35,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 23:11:35,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:44,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:44,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 23:11:44,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:11:44,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-19 23:11:44,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:11:44,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-19 23:11:44,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-19 23:11:44,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-19 23:11:44,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-19 23:11:44,590 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-05-19 23:11:44,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:11:44,601 INFO L85 PathProgramCache]: Analyzing trace with hash 38302957, now seen corresponding path program 8 times [2023-05-19 23:11:44,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:11:44,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033608750] [2023-05-19 23:11:44,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:11:44,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:11:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 23:11:44,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 23:11:44,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 23:11:44,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033608750] [2023-05-19 23:11:44,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033608750] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 23:11:44,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 23:11:44,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-05-19 23:11:44,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977152177] [2023-05-19 23:11:44,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 23:11:44,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-19 23:11:44,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 23:11:44,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-19 23:11:44,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-05-19 23:11:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:44,949 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 23:11:44,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.88888888888889) internal successors, (161), 9 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 23:11:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 23:11:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 23:11:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-19 23:11:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-19 23:11:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 23:11:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-19 23:11:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-19 23:11:44,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-19 23:11:44,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.