/usr/lib/jvm/java-1.11.0-openjdk-amd64/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/NewStatesSleepPersistent.epf --traceabstraction.dfs.order.used.in.por PSEUDO_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 17:52:14,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 17:52:14,579 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 17:52:14,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 17:52:14,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 17:52:14,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 17:52:14,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 17:52:14,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 17:52:14,605 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 17:52:14,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 17:52:14,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 17:52:14,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 17:52:14,609 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 17:52:14,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 17:52:14,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 17:52:14,610 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 17:52:14,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 17:52:14,610 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 17:52:14,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 17:52:14,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 17:52:14,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 17:52:14,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 17:52:14,612 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 17:52:14,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 17:52:14,612 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 17:52:14,613 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 17:52:14,613 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 17:52:14,613 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 17:52:14,613 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 17:52:14,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 17:52:14,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 17:52:14,614 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 17:52:14,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 17:52:14,614 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 17:52:14,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 17:52:14,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 17:52:14,615 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 17:52:14,615 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 17:52:14,615 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 17:52:14,615 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 17:52:14,615 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP [2023-11-17 17:52:14,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 17:52:14,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 17:52:14,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 17:52:14,830 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 17:52:14,830 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 17:52:14,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c [2023-11-17 17:52:15,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 17:52:15,960 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 17:52:15,960 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c [2023-11-17 17:52:15,966 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa94298ce/42de4485c2c14ca589600e7acf9f8a8e/FLAG253bcc91e [2023-11-17 17:52:15,975 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa94298ce/42de4485c2c14ca589600e7acf9f8a8e [2023-11-17 17:52:15,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 17:52:15,980 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 17:52:15,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 17:52:15,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 17:52:15,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 17:52:15,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:52:15" (1/1) ... [2023-11-17 17:52:15,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c006f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:15, skipping insertion in model container [2023-11-17 17:52:15,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:52:15" (1/1) ... [2023-11-17 17:52:16,001 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 17:52:16,125 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c[2820,2833] [2023-11-17 17:52:16,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 17:52:16,139 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 17:52:16,159 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-subst.wvr.c[2820,2833] [2023-11-17 17:52:16,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 17:52:16,171 INFO L206 MainTranslator]: Completed translation [2023-11-17 17:52:16,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:16 WrapperNode [2023-11-17 17:52:16,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 17:52:16,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 17:52:16,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 17:52:16,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 17:52:16,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:16" (1/1) ... [2023-11-17 17:52:16,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:16" (1/1) ... [2023-11-17 17:52:16,201 INFO L138 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 14, calls inlined = 22, statements flattened = 292 [2023-11-17 17:52:16,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 17:52:16,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 17:52:16,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 17:52:16,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 17:52:16,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:16" (1/1) ... [2023-11-17 17:52:16,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:16" (1/1) ... [2023-11-17 17:52:16,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:16" (1/1) ... [2023-11-17 17:52:16,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:16" (1/1) ... [2023-11-17 17:52:16,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:16" (1/1) ... [2023-11-17 17:52:16,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:16" (1/1) ... [2023-11-17 17:52:16,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:16" (1/1) ... [2023-11-17 17:52:16,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:16" (1/1) ... [2023-11-17 17:52:16,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 17:52:16,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 17:52:16,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 17:52:16,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 17:52:16,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:16" (1/1) ... [2023-11-17 17:52:16,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 17:52:16,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:52:16,269 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) [2023-11-17 17:52:16,294 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 [2023-11-17 17:52:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 17:52:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 17:52:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 17:52:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 17:52:16,313 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-17 17:52:16,313 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-17 17:52:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-17 17:52:16,314 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-17 17:52:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-17 17:52:16,314 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-17 17:52:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 17:52:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 17:52:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 17:52:16,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 17:52:16,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 17:52:16,315 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 17:52:16,401 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 17:52:16,403 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 17:52:16,712 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 17:52:16,722 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 17:52:16,723 INFO L307 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-17 17:52:16,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:52:16 BoogieIcfgContainer [2023-11-17 17:52:16,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 17:52:16,725 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 17:52:16,725 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 17:52:16,727 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 17:52:16,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:52:15" (1/3) ... [2023-11-17 17:52:16,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540d1704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:52:16, skipping insertion in model container [2023-11-17 17:52:16,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:16" (2/3) ... [2023-11-17 17:52:16,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540d1704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:52:16, skipping insertion in model container [2023-11-17 17:52:16,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:52:16" (3/3) ... [2023-11-17 17:52:16,735 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-subst.wvr.c [2023-11-17 17:52:16,741 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 17:52:16,748 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 17:52:16,748 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 17:52:16,748 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 17:52:16,819 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-17 17:52:16,857 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:52:16,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 17:52:16,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:52:16,859 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) [2023-11-17 17:52:16,876 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 [2023-11-17 17:52:16,910 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 17:52:16,927 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 17:52:16,937 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=LoopHeads, 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;@19ee2b32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:52:16,937 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-17 17:52:17,283 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:52:17,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:52:17,287 INFO L85 PathProgramCache]: Analyzing trace with hash -930872536, now seen corresponding path program 1 times [2023-11-17 17:52:17,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:52:17,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2728249] [2023-11-17 17:52:17,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:52:17,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:52:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:52:17,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:52:17,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:52:17,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2728249] [2023-11-17 17:52:17,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2728249] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:52:17,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:52:17,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 17:52:17,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849073395] [2023-11-17 17:52:17,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:52:17,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 17:52:17,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:52:17,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 17:52:17,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 17:52:17,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:17,575 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:52:17,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 143.5) internal successors, (287), 2 states have internal predecessors, (287), 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) [2023-11-17 17:52:17,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:17,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 17:52:17,627 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:52:17,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:52:17,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1365069945, now seen corresponding path program 1 times [2023-11-17 17:52:17,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:52:17,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752913565] [2023-11-17 17:52:17,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:52:17,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:52:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:52:18,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:52:18,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:52:18,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752913565] [2023-11-17 17:52:18,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752913565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:52:18,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:52:18,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-17 17:52:18,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583335823] [2023-11-17 17:52:18,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:52:18,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-17 17:52:18,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:52:18,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-17 17:52:18,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-17 17:52:18,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:18,088 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:52:18,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 39.0) internal successors, (273), 7 states have internal predecessors, (273), 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) [2023-11-17 17:52:18,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:18,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:18,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:18,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:18,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 17:52:18,264 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:52:18,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:52:18,264 INFO L85 PathProgramCache]: Analyzing trace with hash -811580581, now seen corresponding path program 1 times [2023-11-17 17:52:18,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:52:18,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259595226] [2023-11-17 17:52:18,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:52:18,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:52:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:52:18,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 17:52:18,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:52:18,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259595226] [2023-11-17 17:52:18,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259595226] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:52:18,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:52:18,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-17 17:52:18,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051576609] [2023-11-17 17:52:18,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:52:18,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-17 17:52:18,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:52:18,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-17 17:52:18,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-17 17:52:18,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:18,507 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:52:18,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 40.142857142857146) internal successors, (281), 7 states have internal predecessors, (281), 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) [2023-11-17 17:52:18,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:18,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:18,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:18,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:18,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:18,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:18,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-17 17:52:18,616 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:52:18,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:52:18,617 INFO L85 PathProgramCache]: Analyzing trace with hash 685327784, now seen corresponding path program 1 times [2023-11-17 17:52:18,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:52:18,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720112859] [2023-11-17 17:52:18,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:52:18,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:52:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:52:18,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 17:52:18,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:52:18,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720112859] [2023-11-17 17:52:18,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720112859] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:52:18,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:52:18,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-17 17:52:18,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931761322] [2023-11-17 17:52:18,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:52:18,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-17 17:52:18,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:52:18,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-17 17:52:18,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-17 17:52:18,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:18,866 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:52:18,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 41.285714285714285) internal successors, (289), 7 states have internal predecessors, (289), 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) [2023-11-17 17:52:18,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:18,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:18,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:18,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:18,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:18,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:18,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:18,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:18,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-17 17:52:18,957 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:52:18,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:52:18,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1733837768, now seen corresponding path program 1 times [2023-11-17 17:52:18,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:52:18,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203063705] [2023-11-17 17:52:18,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:52:18,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:52:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:52:23,269 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 17:52:23,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:52:23,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203063705] [2023-11-17 17:52:23,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203063705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:52:23,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:52:23,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2023-11-17 17:52:23,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4904479] [2023-11-17 17:52:23,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:52:23,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-11-17 17:52:23,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:52:23,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-11-17 17:52:23,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=2424, Unknown=0, NotChecked=0, Total=2550 [2023-11-17 17:52:23,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:23,272 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:52:23,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 5.823529411764706) internal successors, (297), 51 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) [2023-11-17 17:52:23,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:23,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:23,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:23,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:23,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:31,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:31,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:31,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:31,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:31,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-11-17 17:52:31,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-17 17:52:31,103 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:52:31,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:52:31,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1506081928, now seen corresponding path program 1 times [2023-11-17 17:52:31,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:52:31,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947034123] [2023-11-17 17:52:31,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:52:31,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:52:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:52:31,360 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 17:52:31,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:52:31,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947034123] [2023-11-17 17:52:31,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947034123] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:52:31,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34036838] [2023-11-17 17:52:31,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:52:31,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:52:31,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:52:31,410 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) [2023-11-17 17:52:31,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-17 17:52:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:52:31,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-17 17:52:31,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:52:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 17:52:31,917 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:52:32,275 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 17:52:32,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34036838] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:52:32,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:52:32,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2023-11-17 17:52:32,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828848420] [2023-11-17 17:52:32,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:52:32,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-17 17:52:32,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:52:32,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-17 17:52:32,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2023-11-17 17:52:32,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:32,282 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:52:32,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 18.071428571428573) internal successors, (506), 28 states have internal predecessors, (506), 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) [2023-11-17 17:52:32,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:32,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:32,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:32,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:32,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-11-17 17:52:32,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:32,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:32,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:32,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:32,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:32,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-11-17 17:52:32,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:52:32,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-17 17:52:33,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-17 17:52:33,052 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:52:33,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:52:33,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1952760389, now seen corresponding path program 2 times [2023-11-17 17:52:33,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:52:33,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123105706] [2023-11-17 17:52:33,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:52:33,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:52:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:52:38,995 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-17 17:52:38,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:52:38,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123105706] [2023-11-17 17:52:38,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123105706] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:52:38,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912830701] [2023-11-17 17:52:38,996 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 17:52:38,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:52:38,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:52:39,009 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) [2023-11-17 17:52:39,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-17 17:52:39,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-17 17:52:39,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:52:39,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-17 17:52:39,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:52:39,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 17:52:39,662 INFO L378 Elim1Store]: Elim1 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 15 [2023-11-17 17:52:39,963 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-11-17 17:52:39,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 20 [2023-11-17 17:52:40,304 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-17 17:52:40,304 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-17 17:52:40,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912830701] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:52:40,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-17 17:52:40,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [58] total 73 [2023-11-17 17:52:40,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313714190] [2023-11-17 17:52:40,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:52:40,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-17 17:52:40,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:52:40,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-17 17:52:40,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=5050, Unknown=0, NotChecked=0, Total=5256 [2023-11-17 17:52:40,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:40,309 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:52:40,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 13.772727272727273) internal successors, (303), 22 states have internal predecessors, (303), 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) [2023-11-17 17:52:40,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:40,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:40,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:40,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:40,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-11-17 17:52:40,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:52:40,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:44,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:44,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:44,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:44,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:44,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2023-11-17 17:52:44,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:52:44,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-11-17 17:52:44,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-17 17:52:45,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:52:45,136 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:52:45,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:52:45,136 INFO L85 PathProgramCache]: Analyzing trace with hash 744591558, now seen corresponding path program 1 times [2023-11-17 17:52:45,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:52:45,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461109783] [2023-11-17 17:52:45,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:52:45,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:52:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:52:45,535 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-17 17:52:45,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:52:45,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461109783] [2023-11-17 17:52:45,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461109783] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:52:45,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450709173] [2023-11-17 17:52:45,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:52:45,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:52:45,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:52:45,537 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) [2023-11-17 17:52:45,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-17 17:52:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:52:45,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-17 17:52:45,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:52:46,005 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-17 17:52:46,005 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:52:46,398 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-17 17:52:46,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450709173] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-17 17:52:46,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-17 17:52:46,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [14, 13] total 29 [2023-11-17 17:52:46,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808661842] [2023-11-17 17:52:46,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:52:46,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-17 17:52:46,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:52:46,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-17 17:52:46,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=636, Unknown=0, NotChecked=0, Total=812 [2023-11-17 17:52:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:46,402 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:52:46,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 20.923076923076923) internal successors, (272), 13 states have internal predecessors, (272), 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) [2023-11-17 17:52:46,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:46,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:46,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:46,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:46,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2023-11-17 17:52:46,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:52:46,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-11-17 17:52:46,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:47,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:47,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:47,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:47,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:47,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:52:47,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:52:47,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:52:47,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:52:47,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-17 17:52:48,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:52:48,061 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:52:48,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:52:48,061 INFO L85 PathProgramCache]: Analyzing trace with hash -225122379, now seen corresponding path program 1 times [2023-11-17 17:52:48,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:52:48,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42726973] [2023-11-17 17:52:48,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:52:48,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:52:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:52:48,449 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-17 17:52:48,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:52:48,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42726973] [2023-11-17 17:52:48,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42726973] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:52:48,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036421198] [2023-11-17 17:52:48,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:52:48,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:52:48,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:52:48,451 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) [2023-11-17 17:52:48,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-17 17:52:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:52:48,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-17 17:52:48,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:52:49,125 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-17 17:52:49,126 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:52:49,653 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-17 17:52:49,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036421198] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:52:49,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:52:49,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 37 [2023-11-17 17:52:49,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028393885] [2023-11-17 17:52:49,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:52:49,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-11-17 17:52:49,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:52:49,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-11-17 17:52:49,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1150, Unknown=0, NotChecked=0, Total=1332 [2023-11-17 17:52:49,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:49,656 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:52:49,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 14.864864864864865) internal successors, (550), 37 states have internal predecessors, (550), 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) [2023-11-17 17:52:49,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:49,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:49,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:49,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:49,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:52:49,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:52:49,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:52:49,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:52:49,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:52:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:52:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:52:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:52:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:52:50,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-17 17:52:50,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:52:50,857 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:52:50,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:52:50,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1990842007, now seen corresponding path program 2 times [2023-11-17 17:52:50,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:52:50,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988943496] [2023-11-17 17:52:50,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:52:50,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:52:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:52:51,287 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-17 17:52:51,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:52:51,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988943496] [2023-11-17 17:52:51,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988943496] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:52:51,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54918077] [2023-11-17 17:52:51,288 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 17:52:51,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:52:51,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:52:51,289 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) [2023-11-17 17:52:51,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-17 17:52:51,446 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 17:52:51,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:52:51,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-17 17:52:51,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:52:51,867 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-17 17:52:51,868 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:52:52,380 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-17 17:52:52,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54918077] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:52:52,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:52:52,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 15] total 37 [2023-11-17 17:52:52,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408700301] [2023-11-17 17:52:52,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:52:52,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-11-17 17:52:52,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:52:52,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-11-17 17:52:52,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=1132, Unknown=0, NotChecked=0, Total=1332 [2023-11-17 17:52:52,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:52,383 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:52:52,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 17.27027027027027) internal successors, (639), 37 states have internal predecessors, (639), 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) [2023-11-17 17:52:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:52:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:52:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:52:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:52:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:52:52,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:53,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:52:53,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:53,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:53,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:52:53,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:52:53,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:52:53,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:52:53,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:52:53,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:52:53,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:52:53,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-17 17:52:53,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:52:53,988 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:52:53,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:52:53,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1099712433, now seen corresponding path program 3 times [2023-11-17 17:52:53,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:52:53,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473557452] [2023-11-17 17:52:53,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:52:53,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:52:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:52:56,720 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-17 17:52:56,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:52:56,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473557452] [2023-11-17 17:52:56,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473557452] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:52:56,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255447480] [2023-11-17 17:52:56,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 17:52:56,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:52:56,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:52:56,722 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) [2023-11-17 17:52:56,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-17 17:52:56,916 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-17 17:52:56,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:52:56,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 114 conjunts are in the unsatisfiable core [2023-11-17 17:52:56,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:52:58,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 17:52:58,997 INFO L378 Elim1Store]: Elim1 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 16 treesize of output 11 [2023-11-17 17:52:59,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 17:52:59,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 17:52:59,344 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-17 17:52:59,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 18 [2023-11-17 17:52:59,922 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-17 17:52:59,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 20 [2023-11-17 17:53:00,473 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-17 17:53:00,474 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:53:03,824 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse10 (* |c_thread2Thread1of1ForFork0_~i~1#1| 4))) (let ((.cse3 (+ .cse10 c_~a1~0.offset)) (.cse1 (+ .cse10 c_~a3~0.offset))) (and (forall ((v_ArrVal_441 (Array Int Int)) (~a3~0.base Int)) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_441))) (let ((.cse0 (select .cse2 ~a3~0.base))) (or (< (select .cse0 .cse1) (+ (select (select .cse2 c_~a1~0.base) .cse3) 1)) (< (select (select .cse2 c_~a2~0.base) c_~a2~0.offset) (+ (select .cse0 c_~a3~0.offset) 1)))))) (forall ((v_ArrVal_441 (Array Int Int)) (~a3~0.base Int)) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_441))) (let ((.cse7 (select .cse6 ~a3~0.base))) (let ((.cse5 (select .cse7 c_~a3~0.offset)) (.cse4 (select (select .cse6 c_~a2~0.base) c_~a2~0.offset))) (or (= .cse4 .cse5) (< (select (select .cse6 c_~a1~0.base) .cse3) (select .cse7 .cse1)) (< .cse5 .cse4)))))) (forall ((v_ArrVal_441 (Array Int Int)) (~a3~0.base Int)) (let ((.cse8 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_441))) (let ((.cse9 (select .cse8 ~a3~0.base))) (or (not (= (select (select .cse8 c_~a1~0.base) .cse3) (select .cse9 .cse1))) (< (select (select .cse8 c_~a2~0.base) c_~a2~0.offset) (+ (select .cse9 c_~a3~0.offset) 1))))))))) is different from false [2023-11-17 17:53:05,188 INFO L349 Elim1Store]: treesize reduction 23, result has 81.0 percent of original size [2023-11-17 17:53:05,189 INFO L378 Elim1Store]: Elim1 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 1947 treesize of output 1828 [2023-11-17 17:53:05,274 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 17:53:05,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 515 treesize of output 533 [2023-11-17 17:53:05,321 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 17:53:05,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 459 treesize of output 419 [2023-11-17 17:53:42,122 INFO L349 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2023-11-17 17:53:42,122 INFO L378 Elim1Store]: Elim1 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 1916 treesize of output 1 [2023-11-17 17:53:42,148 INFO L349 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2023-11-17 17:53:42,148 INFO L378 Elim1Store]: Elim1 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 2896 treesize of output 1 [2023-11-17 17:53:43,882 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 3 not checked. [2023-11-17 17:53:43,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255447480] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:53:43,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:53:43,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 52, 43] total 124 [2023-11-17 17:53:43,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322020551] [2023-11-17 17:53:43,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:53:43,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2023-11-17 17:53:43,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:53:43,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2023-11-17 17:53:43,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=477, Invalid=14499, Unknown=34, NotChecked=242, Total=15252 [2023-11-17 17:53:43,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:53:43,888 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:53:43,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 6.193548387096774) internal successors, (768), 124 states have internal predecessors, (768), 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) [2023-11-17 17:53:43,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:53:43,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:53:43,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:53:43,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:53:43,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:53:43,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:53:43,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:53:43,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:53:43,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:53:43,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:53:43,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:54:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:54:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:54:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:54:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:54:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:54:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:54:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:54:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:54:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:54:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:54:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-11-17 17:54:01,956 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-17 17:54:02,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:54:02,151 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:54:02,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:54:02,151 INFO L85 PathProgramCache]: Analyzing trace with hash -283691215, now seen corresponding path program 1 times [2023-11-17 17:54:02,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:54:02,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349113732] [2023-11-17 17:54:02,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:54:02,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:54:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:54:03,726 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-17 17:54:03,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:54:03,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349113732] [2023-11-17 17:54:03,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349113732] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:54:03,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458294329] [2023-11-17 17:54:03,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:54:03,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:54:03,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:54:03,728 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) [2023-11-17 17:54:03,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-17 17:54:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:54:03,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-17 17:54:03,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:54:03,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-17 17:54:03,916 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-17 17:54:03,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 14 treesize of output 13 [2023-11-17 17:54:04,019 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-17 17:54:04,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2023-11-17 17:54:04,700 INFO L378 Elim1Store]: Elim1 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 16 treesize of output 11 [2023-11-17 17:54:05,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 17:54:05,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 17:54:05,188 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-17 17:54:05,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2023-11-17 17:54:05,640 INFO L349 Elim1Store]: treesize reduction 18, result has 51.4 percent of original size [2023-11-17 17:54:05,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2023-11-17 17:54:05,679 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-17 17:54:05,679 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:54:05,941 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_505 (Array Int Int)) (~a3~0.base Int)) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_505))) (let ((.cse1 (select .cse0 ~a3~0.base))) (or (not (= (select (select .cse0 c_~a2~0.base) c_~a2~0.offset) (select .cse1 c_~a3~0.offset))) (= (select .cse1 (+ (* |c_thread2Thread1of1ForFork0_~i~1#1| 4) c_~a3~0.offset)) |c_thread2Thread1of1ForFork0_#t~mem7#1|))))) is different from false [2023-11-17 17:54:05,946 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_505 (Array Int Int)) (~a3~0.base Int)) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_505))) (let ((.cse1 (select .cse0 ~a3~0.base))) (or (not (= (select (select .cse0 c_~a2~0.base) c_~a2~0.offset) (select .cse1 c_~a3~0.offset))) (let ((.cse2 (* |c_thread2Thread1of1ForFork0_~i~1#1| 4))) (= (select (select |c_#memory_int| c_~a1~0.base) (+ .cse2 c_~a1~0.offset)) (select .cse1 (+ .cse2 c_~a3~0.offset)))))))) is different from false [2023-11-17 17:54:05,974 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_505 (Array Int Int)) (~a3~0.base Int)) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_505))) (let ((.cse1 (select (select .cse0 ~a3~0.base) c_~a3~0.offset))) (or (not (= (select (select .cse0 c_~a2~0.base) c_~a2~0.offset) .cse1)) (= (select (select |c_#memory_int| c_~a1~0.base) c_~a1~0.offset) .cse1))))) is different from false [2023-11-17 17:54:06,219 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 17:54:06,219 INFO L378 Elim1Store]: Elim1 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 480 treesize of output 520 [2023-11-17 17:54:06,252 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 17:54:06,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 376 treesize of output 344 [2023-11-17 17:54:06,284 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 17:54:06,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 360 treesize of output 382 [2023-11-17 17:54:41,026 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 31 trivial. 4 not checked. [2023-11-17 17:54:41,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458294329] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:54:41,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:54:41,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 27, 27] total 83 [2023-11-17 17:54:41,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575406087] [2023-11-17 17:54:41,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:54:41,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2023-11-17 17:54:41,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:54:41,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2023-11-17 17:54:41,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=6018, Unknown=17, NotChecked=474, Total=6806 [2023-11-17 17:54:41,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:54:41,030 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:54:41,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 8.240963855421686) internal successors, (684), 83 states have internal predecessors, (684), 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) [2023-11-17 17:54:41,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:54:41,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:54:41,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:54:41,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:54:41,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:54:41,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:54:41,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:54:41,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:54:41,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:54:41,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:54:41,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-11-17 17:54:41,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:54:46,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:54:46,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:54:46,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:54:46,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:54:46,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:54:46,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:54:46,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:54:46,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:54:46,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:54:46,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:54:46,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-11-17 17:54:46,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:54:46,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-17 17:54:47,003 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,SelfDestructingSolverStorable11 [2023-11-17 17:54:47,004 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:54:47,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:54:47,005 INFO L85 PathProgramCache]: Analyzing trace with hash -675161551, now seen corresponding path program 1 times [2023-11-17 17:54:47,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:54:47,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572749069] [2023-11-17 17:54:47,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:54:47,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:54:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:54:47,335 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-17 17:54:47,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:54:47,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572749069] [2023-11-17 17:54:47,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572749069] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:54:47,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518088235] [2023-11-17 17:54:47,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:54:47,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:54:47,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:54:47,350 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) [2023-11-17 17:54:47,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-17 17:54:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:54:47,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-17 17:54:47,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:54:47,913 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-17 17:54:47,913 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:54:48,420 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-17 17:54:48,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518088235] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-17 17:54:48,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-17 17:54:48,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15, 15] total 35 [2023-11-17 17:54:48,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887746186] [2023-11-17 17:54:48,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:54:48,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-17 17:54:48,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:54:48,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-17 17:54:48,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=941, Unknown=0, NotChecked=0, Total=1190 [2023-11-17 17:54:48,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:54:48,422 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:54:48,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 17.066666666666666) internal successors, (256), 15 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:54:48,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:54:48,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:54:48,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:54:48,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:54:48,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:54:48,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:54:48,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:54:48,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:54:48,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:54:48,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:54:48,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-11-17 17:54:48,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:54:48,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:54:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:54:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:54:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:54:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:54:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:54:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:54:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:54:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:54:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:54:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:54:49,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-11-17 17:54:49,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:54:49,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-17 17:54:49,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-17 17:54:49,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-17 17:54:49,555 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:54:49,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:54:49,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1087366936, now seen corresponding path program 1 times [2023-11-17 17:54:49,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:54:49,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125697602] [2023-11-17 17:54:49,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:54:49,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:54:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:54:51,201 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-17 17:54:51,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:54:51,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125697602] [2023-11-17 17:54:51,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125697602] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:54:51,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929884937] [2023-11-17 17:54:51,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:54:51,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:54:51,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:54:51,202 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) [2023-11-17 17:54:51,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-17 17:54:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:54:51,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-17 17:54:51,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:54:51,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-17 17:54:51,408 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-17 17:54:51,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 14 treesize of output 13 [2023-11-17 17:54:51,572 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-17 17:54:51,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2023-11-17 17:54:52,601 INFO L378 Elim1Store]: Elim1 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 16 treesize of output 11 [2023-11-17 17:54:52,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 17:54:52,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 17:54:52,967 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-17 17:54:52,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2023-11-17 17:54:53,383 INFO L349 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2023-11-17 17:54:53,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 13 [2023-11-17 17:54:53,416 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-17 17:54:53,416 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:54:53,688 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_629 (Array Int Int)) (~a3~0.base Int)) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_629))) (let ((.cse1 (select .cse0 ~a3~0.base))) (or (= (select (select .cse0 c_~a2~0.base) c_~a2~0.offset) (select .cse1 c_~a3~0.offset)) (not (= (select .cse1 (+ (* |c_thread2Thread1of1ForFork0_~i~1#1| 4) c_~a3~0.offset)) |c_thread2Thread1of1ForFork0_#t~mem7#1|)))))) is different from false [2023-11-17 17:54:53,694 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_629 (Array Int Int)) (~a3~0.base Int)) (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_629))) (let ((.cse1 (select .cse2 ~a3~0.base))) (or (not (let ((.cse0 (* |c_thread2Thread1of1ForFork0_~i~1#1| 4))) (= (select (select |c_#memory_int| c_~a1~0.base) (+ .cse0 c_~a1~0.offset)) (select .cse1 (+ .cse0 c_~a3~0.offset))))) (= (select (select .cse2 c_~a2~0.base) c_~a2~0.offset) (select .cse1 c_~a3~0.offset)))))) is different from false [2023-11-17 17:54:54,214 INFO L349 Elim1Store]: treesize reduction 4, result has 96.7 percent of original size [2023-11-17 17:54:54,214 INFO L378 Elim1Store]: Elim1 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 472 treesize of output 508 [2023-11-17 17:54:54,231 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 17:54:54,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 368 treesize of output 336 [2023-11-17 17:54:54,269 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 17:54:54,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 352 treesize of output 374 [2023-11-17 17:55:21,605 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 5 not checked. [2023-11-17 17:55:21,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929884937] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:55:21,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:55:21,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 27, 27] total 83 [2023-11-17 17:55:21,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452897598] [2023-11-17 17:55:21,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:55:21,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2023-11-17 17:55:21,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:55:21,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2023-11-17 17:55:21,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=6134, Unknown=49, NotChecked=318, Total=6806 [2023-11-17 17:55:21,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:55:21,609 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:55:21,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 8.457831325301205) internal successors, (702), 83 states have internal predecessors, (702), 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) [2023-11-17 17:55:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:55:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:55:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:55:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:55:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:55:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:55:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:55:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:55:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:55:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:55:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-11-17 17:55:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:55:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-17 17:55:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:55:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:55:26,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:55:26,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:55:26,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:55:26,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:55:26,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:55:26,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:55:26,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:55:26,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:55:26,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:55:26,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-11-17 17:55:26,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:55:26,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-17 17:55:26,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-17 17:55:26,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-17 17:55:27,000 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,SelfDestructingSolverStorable13 [2023-11-17 17:55:27,000 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:55:27,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:55:27,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1412995720, now seen corresponding path program 1 times [2023-11-17 17:55:27,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:55:27,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029949608] [2023-11-17 17:55:27,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:55:27,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:55:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:55:32,829 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-17 17:55:32,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:55:32,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029949608] [2023-11-17 17:55:32,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029949608] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:55:32,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56255611] [2023-11-17 17:55:32,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:55:32,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:55:32,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:55:32,831 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:55:32,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-17 17:55:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:55:33,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 103 conjunts are in the unsatisfiable core [2023-11-17 17:55:33,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:55:35,116 INFO L349 Elim1Store]: treesize reduction 18, result has 51.4 percent of original size [2023-11-17 17:55:35,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 37 [2023-11-17 17:55:35,739 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-17 17:55:35,739 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:55:40,878 INFO L349 Elim1Store]: treesize reduction 19, result has 91.2 percent of original size [2023-11-17 17:55:40,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 93 treesize of output 213 [2023-11-17 17:55:43,029 INFO L349 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2023-11-17 17:55:43,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 1 [2023-11-17 17:55:43,067 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-17 17:55:43,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56255611] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:55:43,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:55:43,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 40, 38] total 137 [2023-11-17 17:55:43,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665885054] [2023-11-17 17:55:43,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:55:43,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2023-11-17 17:55:43,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:55:43,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2023-11-17 17:55:43,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=404, Invalid=18228, Unknown=0, NotChecked=0, Total=18632 [2023-11-17 17:55:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:55:43,075 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:55:43,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 5.357664233576642) internal successors, (734), 137 states have internal predecessors, (734), 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) [2023-11-17 17:55:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:55:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:55:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:55:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:55:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:55:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:55:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:55:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:55:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:55:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:55:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-11-17 17:55:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:55:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-17 17:55:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-17 17:55:43,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:55:54,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-17 17:56:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:56:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:56:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:56:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:56:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:56:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:56:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-11-17 17:56:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:56:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-17 17:56:25,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-17 17:56:25,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2023-11-17 17:56:25,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-17 17:56:25,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-17 17:56:25,633 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:56:25,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:56:25,634 INFO L85 PathProgramCache]: Analyzing trace with hash -298057736, now seen corresponding path program 1 times [2023-11-17 17:56:25,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:56:25,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779829419] [2023-11-17 17:56:25,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:56:25,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:56:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:56:26,087 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-17 17:56:26,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:56:26,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779829419] [2023-11-17 17:56:26,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779829419] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:56:26,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473509040] [2023-11-17 17:56:26,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:56:26,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:56:26,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:56:26,089 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:56:26,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-17 17:56:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:56:26,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-17 17:56:26,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:56:26,799 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 11 proven. 27 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-17 17:56:26,800 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:56:27,475 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-17 17:56:27,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473509040] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:56:27,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:56:27,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 46 [2023-11-17 17:56:27,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960831427] [2023-11-17 17:56:27,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:56:27,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-11-17 17:56:27,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:56:27,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-11-17 17:56:27,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=369, Invalid=1701, Unknown=0, NotChecked=0, Total=2070 [2023-11-17 17:56:27,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:27,477 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:56:27,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 10.391304347826088) internal successors, (478), 46 states have internal predecessors, (478), 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) [2023-11-17 17:56:27,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:27,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:27,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:27,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:27,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:56:27,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:56:27,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:56:27,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:56:27,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:56:27,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:56:27,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-11-17 17:56:27,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:56:27,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-17 17:56:27,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-17 17:56:27,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2023-11-17 17:56:27,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:56:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:56:29,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:56:29,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:56:29,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:56:29,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:56:29,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-11-17 17:56:29,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:56:29,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-17 17:56:29,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-17 17:56:29,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2023-11-17 17:56:29,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-17 17:56:29,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-17 17:56:29,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-17 17:56:29,297 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:56:29,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:56:29,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1211008975, now seen corresponding path program 2 times [2023-11-17 17:56:29,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:56:29,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269562005] [2023-11-17 17:56:29,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:56:29,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:56:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:56:29,549 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 14 proven. 19 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-17 17:56:29,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:56:29,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269562005] [2023-11-17 17:56:29,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269562005] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:56:29,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954343918] [2023-11-17 17:56:29,550 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 17:56:29,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:56:29,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:56:29,551 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:56:29,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-17 17:56:29,743 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 17:56:29,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:56:29,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-17 17:56:29,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:56:30,097 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-17 17:56:30,097 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:56:30,444 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-17 17:56:30,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954343918] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:56:30,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:56:30,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2023-11-17 17:56:30,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45215466] [2023-11-17 17:56:30,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:56:30,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-11-17 17:56:30,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:56:30,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-17 17:56:30,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2023-11-17 17:56:30,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:30,446 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:56:30,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 12.647058823529411) internal successors, (430), 34 states have internal predecessors, (430), 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) [2023-11-17 17:56:30,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:30,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:56:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:56:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:56:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:56:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:56:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:56:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-11-17 17:56:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:56:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-17 17:56:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-17 17:56:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2023-11-17 17:56:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-11-17 17:56:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:56:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:56:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:56:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:56:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:56:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:56:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-11-17 17:56:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:56:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-17 17:56:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-17 17:56:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2023-11-17 17:56:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-17 17:56:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:56:31,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-17 17:56:31,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-17 17:56:31,767 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:56:31,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:56:31,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1488722451, now seen corresponding path program 3 times [2023-11-17 17:56:31,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:56:31,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86767228] [2023-11-17 17:56:31,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:56:31,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:56:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:56:32,201 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 2 proven. 35 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-11-17 17:56:32,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:56:32,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86767228] [2023-11-17 17:56:32,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86767228] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:56:32,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958492574] [2023-11-17 17:56:32,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 17:56:32,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:56:32,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:56:32,202 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:56:32,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-17 17:56:32,411 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-17 17:56:32,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:56:32,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-17 17:56:32,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:56:32,954 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-17 17:56:32,954 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:56:33,627 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-17 17:56:33,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958492574] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:56:33,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:56:33,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19, 19] total 49 [2023-11-17 17:56:33,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256722868] [2023-11-17 17:56:33,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:56:33,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-11-17 17:56:33,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:56:33,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-11-17 17:56:33,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=2171, Unknown=0, NotChecked=0, Total=2352 [2023-11-17 17:56:33,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:33,630 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:56:33,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 13.510204081632653) internal successors, (662), 49 states have internal predecessors, (662), 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) [2023-11-17 17:56:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:56:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:56:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:56:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:56:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:56:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:56:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-11-17 17:56:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:56:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-17 17:56:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-17 17:56:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2023-11-17 17:56:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-11-17 17:56:33,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:56:33,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:56:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:56:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:56:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:56:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:56:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:56:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-11-17 17:56:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:56:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-17 17:56:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-17 17:56:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2023-11-17 17:56:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-17 17:56:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:56:35,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-11-17 17:56:35,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-17 17:56:35,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:56:35,928 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:56:35,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:56:35,928 INFO L85 PathProgramCache]: Analyzing trace with hash -3179552, now seen corresponding path program 4 times [2023-11-17 17:56:35,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:56:35,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977306651] [2023-11-17 17:56:35,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:56:35,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:56:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:56:36,584 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 10 proven. 61 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-17 17:56:36,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:56:36,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977306651] [2023-11-17 17:56:36,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977306651] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:56:36,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048288670] [2023-11-17 17:56:36,584 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-17 17:56:36,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:56:36,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:56:36,585 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:56:36,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-17 17:56:36,756 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-17 17:56:36,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:56:36,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-17 17:56:36,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:56:37,400 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 26 proven. 45 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-17 17:56:37,400 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:56:38,150 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 60 proven. 11 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-17 17:56:38,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048288670] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:56:38,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:56:38,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2023-11-17 17:56:38,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744898577] [2023-11-17 17:56:38,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:56:38,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-11-17 17:56:38,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:56:38,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-11-17 17:56:38,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=471, Invalid=2391, Unknown=0, NotChecked=0, Total=2862 [2023-11-17 17:56:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:38,153 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:56:38,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 9.277777777777779) internal successors, (501), 54 states have internal predecessors, (501), 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) [2023-11-17 17:56:38,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:38,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:38,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:38,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:38,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:56:38,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:56:38,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:56:38,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:56:38,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:56:38,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:56:38,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-11-17 17:56:38,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:56:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-17 17:56:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-17 17:56:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2023-11-17 17:56:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-11-17 17:56:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:56:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-11-17 17:56:38,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:40,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:40,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:40,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:40,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:40,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:56:40,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:56:40,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:56:40,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:56:40,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:56:40,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:56:40,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-11-17 17:56:40,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:56:40,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-17 17:56:40,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-17 17:56:40,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2023-11-17 17:56:40,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-17 17:56:40,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:56:40,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-11-17 17:56:40,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-17 17:56:40,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-17 17:56:40,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:56:40,360 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:56:40,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:56:40,360 INFO L85 PathProgramCache]: Analyzing trace with hash 66630874, now seen corresponding path program 5 times [2023-11-17 17:56:40,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:56:40,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792773288] [2023-11-17 17:56:40,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:56:40,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:56:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:56:43,078 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-17 17:56:43,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:56:43,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792773288] [2023-11-17 17:56:43,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792773288] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:56:43,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824604077] [2023-11-17 17:56:43,079 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-17 17:56:43,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:56:43,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:56:43,081 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:56:43,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-17 17:56:43,464 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-11-17 17:56:43,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:56:43,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-17 17:56:43,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:56:44,450 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-17 17:56:44,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2023-11-17 17:56:44,465 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-17 17:56:44,465 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:56:44,970 INFO L349 Elim1Store]: treesize reduction 26, result has 88.0 percent of original size [2023-11-17 17:56:44,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 58 treesize of output 201 [2023-11-17 17:56:46,005 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 2 proven. 43 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-17 17:56:46,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824604077] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:56:46,005 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:56:46,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 29, 19] total 74 [2023-11-17 17:56:46,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727774982] [2023-11-17 17:56:46,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:56:46,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2023-11-17 17:56:46,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:56:46,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2023-11-17 17:56:46,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=5017, Unknown=0, NotChecked=0, Total=5402 [2023-11-17 17:56:46,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:46,008 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:56:46,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 8.756756756756756) internal successors, (648), 74 states have internal predecessors, (648), 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) [2023-11-17 17:56:46,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:46,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:46,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:46,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:46,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:56:46,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:56:46,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:56:46,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:56:46,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:56:46,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:56:46,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-11-17 17:56:46,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:56:46,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-17 17:56:46,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-11-17 17:56:46,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2023-11-17 17:56:46,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-11-17 17:56:46,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:56:46,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-11-17 17:56:46,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-11-17 17:56:46,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:56:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 17:56:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-11-17 17:56:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 17:56:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-17 17:56:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-17 17:56:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:56:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-11-17 17:56:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-11-17 17:56:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-17 17:56:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-17 17:56:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-11-17 17:56:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2023-11-17 17:56:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-17 17:56:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:56:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-11-17 17:56:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-17 17:56:50,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-11-17 17:56:50,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-17 17:56:50,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:56:50,266 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:56:50,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:56:50,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1924258042, now seen corresponding path program 6 times [2023-11-17 17:56:50,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:56:50,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812656421] [2023-11-17 17:56:50,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:56:50,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:56:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:56:54,432 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-17 17:56:54,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:56:54,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812656421] [2023-11-17 17:56:54,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812656421] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:56:54,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719192090] [2023-11-17 17:56:54,432 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-17 17:56:54,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:56:54,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:56:54,433 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 17:56:54,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-17 17:56:54,744 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2023-11-17 17:56:54,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:56:54,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 102 conjunts are in the unsatisfiable core [2023-11-17 17:56:54,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:56:56,920 INFO L349 Elim1Store]: treesize reduction 18, result has 51.4 percent of original size [2023-11-17 17:56:56,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 37 [2023-11-17 17:56:57,457 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-17 17:56:57,457 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-11-17 18:01:19,364 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 [2023-11-17 18:01:19,364 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 18:01:19,364 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 [2023-11-17 18:01:20,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-17 18:01:20,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-11-17 18:01:20,569 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-11-17 18:01:20,671 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-11-17 18:01:20,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-17 18:01:20,672 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 376 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2023-11-17 18:01:20,672 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-11-17 18:01:20,673 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-11-17 18:01:20,673 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-11-17 18:01:20,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2023-11-17 18:01:20,690 INFO L445 BasicCegarLoop]: Path program histogram: [6, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 18:01:20,693 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 18:01:20,693 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 18:01:20,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 06:01:20 BasicIcfg [2023-11-17 18:01:20,697 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 18:01:20,700 INFO L158 Benchmark]: Toolchain (without parser) took 544717.66ms. Allocated memory was 255.9MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 213.2MB in the beginning and 1.1GB in the end (delta: -906.4MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2023-11-17 18:01:20,700 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 205.5MB. Free memory is still 155.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 18:01:20,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.16ms. Allocated memory is still 255.9MB. Free memory was 212.7MB in the beginning and 200.6MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-11-17 18:01:20,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.59ms. Allocated memory is still 255.9MB. Free memory was 200.6MB in the beginning and 198.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-11-17 18:01:20,701 INFO L158 Benchmark]: Boogie Preprocessor took 32.63ms. Allocated memory is still 255.9MB. Free memory was 198.0MB in the beginning and 195.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 18:01:20,701 INFO L158 Benchmark]: RCFGBuilder took 489.45ms. Allocated memory is still 255.9MB. Free memory was 195.4MB in the beginning and 169.2MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-11-17 18:01:20,701 INFO L158 Benchmark]: TraceAbstraction took 543972.03ms. Allocated memory was 255.9MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 168.1MB in the beginning and 1.1GB in the end (delta: -951.5MB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2023-11-17 18:01:20,704 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 205.5MB. Free memory is still 155.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 191.16ms. Allocated memory is still 255.9MB. Free memory was 212.7MB in the beginning and 200.6MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.59ms. Allocated memory is still 255.9MB. Free memory was 200.6MB in the beginning and 198.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.63ms. Allocated memory is still 255.9MB. Free memory was 198.0MB in the beginning and 195.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 489.45ms. Allocated memory is still 255.9MB. Free memory was 195.4MB in the beginning and 169.2MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * TraceAbstraction took 543972.03ms. Allocated memory was 255.9MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 168.1MB in the beginning and 1.1GB in the end (delta: -951.5MB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1110291, independent: 1068349, independent conditional: 1051982, independent unconditional: 16367, dependent: 41942, dependent conditional: 41917, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1069759, independent: 1068349, independent conditional: 1051982, independent unconditional: 16367, dependent: 1410, dependent conditional: 1385, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1069759, independent: 1068349, independent conditional: 1051982, independent unconditional: 16367, dependent: 1410, dependent conditional: 1385, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1083837, independent: 1068349, independent conditional: 1641, independent unconditional: 1066708, dependent: 15488, dependent conditional: 12437, dependent unconditional: 3051, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1083837, independent: 1068349, independent conditional: 1641, independent unconditional: 1066708, dependent: 15488, dependent conditional: 8152, dependent unconditional: 7336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1083837, independent: 1068349, independent conditional: 1641, independent unconditional: 1066708, dependent: 15488, dependent conditional: 8152, dependent unconditional: 7336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15750, independent: 15567, independent conditional: 69, independent unconditional: 15498, dependent: 183, dependent conditional: 158, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15750, independent: 15496, independent conditional: 0, independent unconditional: 15496, dependent: 254, dependent conditional: 0, dependent unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 254, independent: 71, independent conditional: 69, independent unconditional: 2, dependent: 183, dependent conditional: 158, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 254, independent: 71, independent conditional: 69, independent unconditional: 2, dependent: 183, dependent conditional: 158, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 479, independent: 163, independent conditional: 121, independent unconditional: 42, dependent: 317, dependent conditional: 271, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1083837, independent: 1052782, independent conditional: 1572, independent unconditional: 1051210, dependent: 15305, dependent conditional: 7994, dependent unconditional: 7311, unknown: 15750, unknown conditional: 227, unknown unconditional: 15523] , Statistics on independence cache: Total cache size (in pairs): 15750, Positive cache size: 15567, Positive conditional cache size: 69, Positive unconditional cache size: 15498, Negative cache size: 183, Negative conditional cache size: 158, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4285, Maximal queried relation: 13, Independence queries for same thread: 40532 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 11413, Number of trivial persistent sets: 10073, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16392, independent: 16367, independent conditional: 0, independent unconditional: 16367, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1110291, independent: 1068349, independent conditional: 1051982, independent unconditional: 16367, dependent: 41942, dependent conditional: 41917, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1069759, independent: 1068349, independent conditional: 1051982, independent unconditional: 16367, dependent: 1410, dependent conditional: 1385, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1069759, independent: 1068349, independent conditional: 1051982, independent unconditional: 16367, dependent: 1410, dependent conditional: 1385, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1083837, independent: 1068349, independent conditional: 1641, independent unconditional: 1066708, dependent: 15488, dependent conditional: 12437, dependent unconditional: 3051, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1083837, independent: 1068349, independent conditional: 1641, independent unconditional: 1066708, dependent: 15488, dependent conditional: 8152, dependent unconditional: 7336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1083837, independent: 1068349, independent conditional: 1641, independent unconditional: 1066708, dependent: 15488, dependent conditional: 8152, dependent unconditional: 7336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15750, independent: 15567, independent conditional: 69, independent unconditional: 15498, dependent: 183, dependent conditional: 158, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15750, independent: 15496, independent conditional: 0, independent unconditional: 15496, dependent: 254, dependent conditional: 0, dependent unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 254, independent: 71, independent conditional: 69, independent unconditional: 2, dependent: 183, dependent conditional: 158, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 254, independent: 71, independent conditional: 69, independent unconditional: 2, dependent: 183, dependent conditional: 158, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 479, independent: 163, independent conditional: 121, independent unconditional: 42, dependent: 317, dependent conditional: 271, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1083837, independent: 1052782, independent conditional: 1572, independent unconditional: 1051210, dependent: 15305, dependent conditional: 7994, dependent unconditional: 7311, unknown: 15750, unknown conditional: 227, unknown unconditional: 15523] , Statistics on independence cache: Total cache size (in pairs): 15750, Positive cache size: 15567, Positive conditional cache size: 69, Positive unconditional cache size: 15498, Negative cache size: 183, Negative conditional cache size: 158, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4285, Maximal queried relation: 13, Independence queries for same thread: 40532 - TimeoutResultAtElement [Line: 109]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 376 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 376 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 376 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 376 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 482 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 543.8s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 100.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 874, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 165.2s InterpolantComputationTime, 10905 NumberOfCodeBlocks, 10811 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 15273 ConstructedInterpolants, 325 QuantifiedInterpolants, 123919 SizeOfPredicates, 401 NumberOfNonLiveVariables, 9531 ConjunctsInSsa, 607 ConjunctsInUnsatCore, 49 InterpolantComputations, 8 PerfectInterpolantSequences, 1633/2411 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