/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 --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 14:39:39,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 14:39:40,020 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 14:39:40,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 14:39:40,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 14:39:40,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 14:39:40,044 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 14:39:40,048 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 14:39:40,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 14:39:40,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 14:39:40,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 14:39:40,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 14:39:40,053 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 14:39:40,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 14:39:40,054 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 14:39:40,054 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 14:39:40,055 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 14:39:40,055 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 14:39:40,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 14:39:40,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 14:39:40,055 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 14:39:40,055 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 14:39:40,056 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 14:39:40,056 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 14:39:40,056 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 14:39:40,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 14:39:40,057 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 14:39:40,057 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 14:39:40,057 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 14:39:40,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 14:39:40,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 14:39:40,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 14:39:40,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 14:39:40,058 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 14:39:40,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 14:39:40,058 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 14:39:40,058 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 14:39:40,058 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 14:39:40,059 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 14:39:40,059 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 14:39:40,059 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> true [2023-11-17 14:39:40,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 14:39:40,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 14:39:40,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 14:39:40,306 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 14:39:40,306 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 14:39:40,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-3.wvr.c [2023-11-17 14:39:41,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 14:39:41,543 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 14:39:41,543 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-3.wvr.c [2023-11-17 14:39:41,549 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d72788fea/18dde8b537c64383abccfe1483eda5cf/FLAGc9c418266 [2023-11-17 14:39:41,565 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d72788fea/18dde8b537c64383abccfe1483eda5cf [2023-11-17 14:39:41,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 14:39:41,569 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 14:39:41,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 14:39:41,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 14:39:41,576 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 14:39:41,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:39:41" (1/1) ... [2023-11-17 14:39:41,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d1e3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:41, skipping insertion in model container [2023-11-17 14:39:41,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:39:41" (1/1) ... [2023-11-17 14:39:41,599 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 14:39:41,727 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/unroll-3.wvr.c[2526,2539] [2023-11-17 14:39:41,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 14:39:41,744 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 14:39:41,761 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/unroll-3.wvr.c[2526,2539] [2023-11-17 14:39:41,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 14:39:41,773 INFO L206 MainTranslator]: Completed translation [2023-11-17 14:39:41,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:41 WrapperNode [2023-11-17 14:39:41,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 14:39:41,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 14:39:41,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 14:39:41,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 14:39:41,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:41" (1/1) ... [2023-11-17 14:39:41,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:41" (1/1) ... [2023-11-17 14:39:41,799 INFO L138 Inliner]: procedures = 24, calls = 34, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 149 [2023-11-17 14:39:41,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 14:39:41,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 14:39:41,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 14:39:41,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 14:39:41,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:41" (1/1) ... [2023-11-17 14:39:41,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:41" (1/1) ... [2023-11-17 14:39:41,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:41" (1/1) ... [2023-11-17 14:39:41,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:41" (1/1) ... [2023-11-17 14:39:41,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:41" (1/1) ... [2023-11-17 14:39:41,821 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:41" (1/1) ... [2023-11-17 14:39:41,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:41" (1/1) ... [2023-11-17 14:39:41,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:41" (1/1) ... [2023-11-17 14:39:41,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 14:39:41,825 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 14:39:41,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 14:39:41,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 14:39:41,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:41" (1/1) ... [2023-11-17 14:39:41,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 14:39:41,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:39:41,862 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 14:39:41,878 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 14:39:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 14:39:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-17 14:39:41,899 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-17 14:39:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-17 14:39:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-17 14:39:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 14:39:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 14:39:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 14:39:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 14:39:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 14:39:41,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 14:39:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 14:39:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 14:39:41,903 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 14:39:41,975 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 14:39:41,977 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 14:39:42,209 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 14:39:42,452 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 14:39:42,452 INFO L307 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-17 14:39:42,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 02:39:42 BoogieIcfgContainer [2023-11-17 14:39:42,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 14:39:42,456 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 14:39:42,456 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 14:39:42,458 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 14:39:42,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 02:39:41" (1/3) ... [2023-11-17 14:39:42,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51850ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:39:42, skipping insertion in model container [2023-11-17 14:39:42,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:39:41" (2/3) ... [2023-11-17 14:39:42,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51850ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:39:42, skipping insertion in model container [2023-11-17 14:39:42,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 02:39:42" (3/3) ... [2023-11-17 14:39:42,460 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.c [2023-11-17 14:39:42,467 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 14:39:42,474 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 14:39:42,474 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 14:39:42,474 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 14:39:42,510 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-17 14:39:42,542 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 14:39:42,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 14:39:42,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:39:42,545 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 14:39:42,548 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 14:39:42,574 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 14:39:42,588 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 14:39:42,596 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;@35fd3f47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 14:39:42,597 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-17 14:39:42,702 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 14:39:42,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:39:42,708 INFO L85 PathProgramCache]: Analyzing trace with hash -715836799, now seen corresponding path program 1 times [2023-11-17 14:39:42,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:39:42,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959522834] [2023-11-17 14:39:42,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:39:42,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:39:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:39:43,071 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 14:39:43,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:39:43,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959522834] [2023-11-17 14:39:43,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959522834] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 14:39:43,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 14:39:43,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 14:39:43,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201324560] [2023-11-17 14:39:43,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 14:39:43,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 14:39:43,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:39:43,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 14:39:43,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 14:39:43,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:39:43,097 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:39:43,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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 14:39:43,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:39:43,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:43,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 14:39:43,151 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 14:39:43,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:39:43,152 INFO L85 PathProgramCache]: Analyzing trace with hash -826372838, now seen corresponding path program 1 times [2023-11-17 14:39:43,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:39:43,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44365028] [2023-11-17 14:39:43,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:39:43,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:39:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:39:43,313 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 14:39:43,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:39:43,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44365028] [2023-11-17 14:39:43,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44365028] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 14:39:43,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 14:39:43,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 14:39:43,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464289132] [2023-11-17 14:39:43,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 14:39:43,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 14:39:43,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:39:43,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 14:39:43,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 14:39:43,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:39:43,317 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:39:43,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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 14:39:43,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:43,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:39:43,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:43,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:43,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 14:39:43,355 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 14:39:43,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:39:43,355 INFO L85 PathProgramCache]: Analyzing trace with hash -2038493121, now seen corresponding path program 1 times [2023-11-17 14:39:43,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:39:43,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782585971] [2023-11-17 14:39:43,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:39:43,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:39:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:39:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 14:39:43,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:39:43,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782585971] [2023-11-17 14:39:43,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782585971] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:39:43,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821500640] [2023-11-17 14:39:43,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:39:43,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:39:43,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:39:43,578 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 14:39:43,597 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 14:39:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:39:43,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-17 14:39:43,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:39:43,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 14:39:43,714 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:39:43,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 14:39:43,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821500640] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-17 14:39:43,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-17 14:39:43,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 6 [2023-11-17 14:39:43,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936312821] [2023-11-17 14:39:43,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 14:39:43,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-17 14:39:43,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:39:43,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-17 14:39:43,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-17 14:39:43,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:39:43,761 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:39:43,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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 14:39:43,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:43,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:43,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:39:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:43,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:43,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:39:43,825 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 14:39:44,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-17 14:39:44,011 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 14:39:44,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:39:44,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1946010767, now seen corresponding path program 1 times [2023-11-17 14:39:44,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:39:44,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157914323] [2023-11-17 14:39:44,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:39:44,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:39:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:39:44,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 14:39:44,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:39:44,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157914323] [2023-11-17 14:39:44,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157914323] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:39:44,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365457873] [2023-11-17 14:39:44,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:39:44,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:39:44,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:39:44,429 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 14:39:44,430 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 14:39:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:39:44,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-17 14:39:44,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:39:44,695 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-17 14:39:44,696 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 15 [2023-11-17 14:39:44,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:39:44,717 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:39:44,815 INFO L349 Elim1Store]: treesize reduction 5, result has 92.3 percent of original size [2023-11-17 14:39:44,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 76 treesize of output 87 [2023-11-17 14:39:44,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:39:44,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365457873] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:39:44,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:39:44,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 17 [2023-11-17 14:39:44,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769355547] [2023-11-17 14:39:44,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:39:44,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-17 14:39:44,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:39:44,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-17 14:39:44,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2023-11-17 14:39:44,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:39:44,973 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:39:44,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.7058823529411766) internal successors, (46), 17 states have internal predecessors, (46), 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 14:39:44,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:44,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:44,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:39:44,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:39:45,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:45,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:45,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:39:45,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:39:45,445 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 14:39:45,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:39:45,639 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 14:39:45,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:39:45,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1380665331, now seen corresponding path program 2 times [2023-11-17 14:39:45,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:39:45,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719794034] [2023-11-17 14:39:45,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:39:45,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:39:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:39:45,920 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-17 14:39:45,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:39:45,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719794034] [2023-11-17 14:39:45,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719794034] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:39:45,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305580423] [2023-11-17 14:39:45,921 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 14:39:45,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:39:45,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:39:45,922 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 14:39:45,950 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 14:39:46,046 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 14:39:46,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:39:46,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-17 14:39:46,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:39:46,107 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-17 14:39:46,108 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:39:46,249 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-17 14:39:46,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305580423] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:39:46,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:39:46,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-11-17 14:39:46,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426512405] [2023-11-17 14:39:46,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:39:46,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-17 14:39:46,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:39:46,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-17 14:39:46,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2023-11-17 14:39:46,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:39:46,251 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:39:46,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 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 14:39:46,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:46,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:46,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:39:46,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:39:46,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:39:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:48,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:48,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:39:48,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:39:48,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 14:39:48,453 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 14:39:48,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:39:48,649 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 14:39:48,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:39:48,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1232117299, now seen corresponding path program 3 times [2023-11-17 14:39:48,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:39:48,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124094570] [2023-11-17 14:39:48,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:39:48,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:39:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:39:48,890 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-17 14:39:48,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:39:48,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124094570] [2023-11-17 14:39:48,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124094570] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:39:48,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261107244] [2023-11-17 14:39:48,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 14:39:48,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:39:48,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:39:48,891 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 14:39:48,918 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 14:39:49,058 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-17 14:39:49,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:39:49,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-17 14:39:49,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:39:49,122 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-17 14:39:49,122 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:39:49,524 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-17 14:39:49,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261107244] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:39:49,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:39:49,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2023-11-17 14:39:49,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078332438] [2023-11-17 14:39:49,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:39:49,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-17 14:39:49,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:39:49,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-17 14:39:49,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2023-11-17 14:39:49,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:39:49,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:39:49,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 states have internal predecessors, (34), 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 14:39:49,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:49,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:49,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:39:49,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:39:49,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 14:39:49,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:39:49,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:49,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:39:49,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:39:49,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:39:49,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 14:39:49,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:39:49,892 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 14:39:50,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:39:50,085 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 14:39:50,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:39:50,086 INFO L85 PathProgramCache]: Analyzing trace with hash 139195290, now seen corresponding path program 4 times [2023-11-17 14:39:50,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:39:50,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197492488] [2023-11-17 14:39:50,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:39:50,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:39:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:39:50,321 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 14:39:50,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:39:50,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197492488] [2023-11-17 14:39:50,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197492488] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:39:50,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501557036] [2023-11-17 14:39:50,322 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-17 14:39:50,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:39:50,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:39:50,323 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 14:39:50,345 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 14:39:50,418 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-17 14:39:50,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:39:50,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-17 14:39:50,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:39:50,483 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 14:39:50,483 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:40:25,600 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 26 refuted. 5 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 14:40:25,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501557036] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:40:25,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:40:25,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 23 [2023-11-17 14:40:25,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353842523] [2023-11-17 14:40:25,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:40:25,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-17 14:40:25,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:40:25,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-17 14:40:25,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=410, Unknown=16, NotChecked=0, Total=506 [2023-11-17 14:40:25,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:40:25,602 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:40:25,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 23 states have internal predecessors, (39), 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 14:40:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:40:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:40:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:40:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:40:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 14:40:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:40:25,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:40:27,811 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (< v_z_6 (+ (mod (+ 2 |c_thread1Thread1of1ForFork0_~i~0#1|) 4294967296) 1)) (let ((.cse0 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse0 4294967296))) .cse0)))) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (let ((.cse1 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse1 4294967296))) .cse1)) (< v_z_6 (+ (mod (+ |c_thread1Thread1of1ForFork0_~i~0#1| 4) 4294967296) 1)))) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (let ((.cse2 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse2 4294967296))) .cse2)) (< v_z_6 (+ (mod (+ 6 |c_thread1Thread1of1ForFork0_~i~0#1|) 4294967296) 1)))) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (let ((.cse3 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse3 4294967296))) .cse3)) (< v_z_6 (+ (mod |c_thread1Thread1of1ForFork0_~i~0#1| 4294967296) 1)))) (let ((.cse4 (* 3 c_~n~0))) (<= (+ 7 (* (div .cse4 4294967296) 4294967296)) .cse4)) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (< v_z_6 (+ (mod (+ 5 |c_thread1Thread1of1ForFork0_~i~0#1|) 4294967296) 1)) (let ((.cse5 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse5 4294967296))) .cse5)))) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (< v_z_6 (+ (mod (+ |c_thread1Thread1of1ForFork0_~i~0#1| 1) 4294967296) 1)) (let ((.cse6 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse6 4294967296))) .cse6)))) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (< v_z_6 (+ (mod (+ 3 |c_thread1Thread1of1ForFork0_~i~0#1|) 4294967296) 1)) (let ((.cse7 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse7 4294967296))) .cse7))))) is different from false [2023-11-17 14:40:29,832 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (< v_z_6 (+ (mod (+ 2 |c_thread1Thread1of1ForFork0_~i~0#1|) 4294967296) 1)) (let ((.cse0 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse0 4294967296))) .cse0)))) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (let ((.cse1 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse1 4294967296))) .cse1)) (< v_z_6 (+ (mod (+ |c_thread1Thread1of1ForFork0_~i~0#1| 4) 4294967296) 1)))) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (let ((.cse2 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse2 4294967296))) .cse2)) (< v_z_6 (+ (mod |c_thread1Thread1of1ForFork0_~i~0#1| 4294967296) 1)))) (let ((.cse3 (* 3 c_~n~0))) (<= (+ 7 (* (div .cse3 4294967296) 4294967296)) .cse3)) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (< v_z_6 (+ (mod (+ 5 |c_thread1Thread1of1ForFork0_~i~0#1|) 4294967296) 1)) (let ((.cse4 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse4 4294967296))) .cse4)))) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (< v_z_6 (+ (mod (+ |c_thread1Thread1of1ForFork0_~i~0#1| 1) 4294967296) 1)) (let ((.cse5 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse5 4294967296))) .cse5)))) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (< v_z_6 (+ (mod (+ 3 |c_thread1Thread1of1ForFork0_~i~0#1|) 4294967296) 1)) (let ((.cse6 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse6 4294967296))) .cse6))))) is different from false [2023-11-17 14:40:31,848 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (< v_z_6 (+ (mod (+ 2 |c_thread1Thread1of1ForFork0_~i~0#1|) 4294967296) 1)) (let ((.cse0 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse0 4294967296))) .cse0)))) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (let ((.cse1 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse1 4294967296))) .cse1)) (< v_z_6 (+ (mod (+ |c_thread1Thread1of1ForFork0_~i~0#1| 4) 4294967296) 1)))) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (let ((.cse2 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse2 4294967296))) .cse2)) (< v_z_6 (+ (mod |c_thread1Thread1of1ForFork0_~i~0#1| 4294967296) 1)))) (let ((.cse3 (* 3 c_~n~0))) (<= (+ 7 (* (div .cse3 4294967296) 4294967296)) .cse3)) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (< v_z_6 (+ (mod (+ |c_thread1Thread1of1ForFork0_~i~0#1| 1) 4294967296) 1)) (let ((.cse4 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse4 4294967296))) .cse4)))) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (< v_z_6 (+ (mod (+ 3 |c_thread1Thread1of1ForFork0_~i~0#1|) 4294967296) 1)) (let ((.cse5 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse5 4294967296))) .cse5))))) is different from false [2023-11-17 14:40:33,859 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (< v_z_6 (+ (mod (+ 2 |c_thread1Thread1of1ForFork0_~i~0#1|) 4294967296) 1)) (let ((.cse0 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse0 4294967296))) .cse0)))) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (let ((.cse1 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse1 4294967296))) .cse1)) (< v_z_6 (+ (mod |c_thread1Thread1of1ForFork0_~i~0#1| 4294967296) 1)))) (let ((.cse2 (* 3 c_~n~0))) (<= (+ 7 (* (div .cse2 4294967296) 4294967296)) .cse2)) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (< v_z_6 (+ (mod (+ |c_thread1Thread1of1ForFork0_~i~0#1| 1) 4294967296) 1)) (let ((.cse3 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse3 4294967296))) .cse3)))) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (< v_z_6 (+ (mod (+ 3 |c_thread1Thread1of1ForFork0_~i~0#1|) 4294967296) 1)) (let ((.cse4 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse4 4294967296))) .cse4))))) is different from false [2023-11-17 14:40:35,894 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (< v_z_6 (+ (mod (+ 2 |c_thread1Thread1of1ForFork0_~i~0#1|) 4294967296) 1)) (let ((.cse0 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse0 4294967296))) .cse0)))) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (let ((.cse1 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse1 4294967296))) .cse1)) (< v_z_6 (+ (mod |c_thread1Thread1of1ForFork0_~i~0#1| 4294967296) 1)))) (let ((.cse2 (* 3 c_~n~0))) (<= (+ 7 (* (div .cse2 4294967296) 4294967296)) .cse2)) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (< v_z_6 (+ (mod (+ |c_thread1Thread1of1ForFork0_~i~0#1| 1) 4294967296) 1)) (let ((.cse3 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse3 4294967296))) .cse3))))) is different from false [2023-11-17 14:40:37,902 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (let ((.cse0 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse0 4294967296))) .cse0)) (< v_z_6 (+ (mod |c_thread1Thread1of1ForFork0_~i~0#1| 4294967296) 1)))) (let ((.cse1 (* 3 c_~n~0))) (<= (+ 7 (* (div .cse1 4294967296) 4294967296)) .cse1)) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (< v_z_6 (+ (mod (+ |c_thread1Thread1of1ForFork0_~i~0#1| 1) 4294967296) 1)) (let ((.cse2 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse2 4294967296))) .cse2))))) is different from false [2023-11-17 14:40:51,180 WARN L539 Checker$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 14:40:53,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:40:55,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:40:57,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:40:59,838 WARN L539 Checker$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 14:41:01,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:03,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:05,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:07,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:09,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:12,158 WARN L539 Checker$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 14:41:14,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:16,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:18,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:20,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:22,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:24,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:26,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:28,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:30,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:32,733 WARN L539 Checker$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 14:41:34,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:36,926 WARN L539 Checker$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 14:41:39,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:41,539 WARN L539 Checker$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 14:41:43,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:45,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:47,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:49,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-17 14:41:51,740 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_thread2Thread1of1ForFork1_~i~1#1| 0) (forall ((v_z_6 Int)) (or (< 4294967295 v_z_6) (let ((.cse0 (* 8589934593 v_z_6))) (< (+ 6 (* 4294967296 (div .cse0 4294967296))) .cse0)) (< v_z_6 (+ (mod |c_thread1Thread1of1ForFork0_~i~0#1| 4294967296) 1)))) (let ((.cse1 (* 3 c_~n~0))) (<= (+ 7 (* (div .cse1 4294967296) 4294967296)) .cse1))) is different from false [2023-11-17 14:41:51,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:41:51,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:41:51,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:41:51,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:41:51,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 14:41:51,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:41:51,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-17 14:41:51,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-17 14:41:52,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:41:52,037 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 14:41:52,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:41:52,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1331850291, now seen corresponding path program 5 times [2023-11-17 14:41:52,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:41:52,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806524403] [2023-11-17 14:41:52,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:41:52,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:41:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:41:52,666 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 14:41:52,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:41:52,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806524403] [2023-11-17 14:41:52,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806524403] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:41:52,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351514749] [2023-11-17 14:41:52,667 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-17 14:41:52,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:41:52,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:41:52,681 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 14:41:52,683 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 14:41:53,001 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-11-17 14:41:53,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:41:53,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-17 14:41:53,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:41:53,141 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-17 14:41:53,141 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:41:53,538 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-17 14:41:53,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351514749] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:41:53,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:41:53,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17, 17] total 40 [2023-11-17 14:41:53,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74701156] [2023-11-17 14:41:53,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:41:53,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-11-17 14:41:53,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:41:53,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-11-17 14:41:53,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=1348, Unknown=0, NotChecked=0, Total=1560 [2023-11-17 14:41:53,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:41:53,540 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:41:53,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.475) internal successors, (59), 40 states have internal predecessors, (59), 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 14:41:53,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:41:53,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:41:53,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:41:53,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:41:53,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 14:41:53,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:41:53,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-17 14:41:53,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:41:59,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:41:59,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:41:59,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:41:59,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:41:59,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 14:41:59,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:41:59,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-17 14:41:59,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-17 14:41:59,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-17 14:41:59,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:41:59,779 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 14:41:59,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:41:59,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1946120620, now seen corresponding path program 6 times [2023-11-17 14:41:59,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:41:59,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962825165] [2023-11-17 14:41:59,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:41:59,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:41:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:42:00,718 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 291 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 14:42:00,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:42:00,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962825165] [2023-11-17 14:42:00,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962825165] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:42:00,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825203398] [2023-11-17 14:42:00,719 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-17 14:42:00,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:42:00,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:42:00,729 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 14:42:00,744 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 14:42:04,801 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2023-11-17 14:42:04,801 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:42:04,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-17 14:42:04,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:42:05,133 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 263 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-17 14:42:05,133 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:42:06,053 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 263 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-17 14:42:06,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825203398] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:42:06,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:42:06,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 25, 25] total 61 [2023-11-17 14:42:06,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323603586] [2023-11-17 14:42:06,054 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:42:06,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2023-11-17 14:42:06,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:42:06,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2023-11-17 14:42:06,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=444, Invalid=3216, Unknown=0, NotChecked=0, Total=3660 [2023-11-17 14:42:06,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:42:06,056 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:42:06,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 61 states have internal predecessors, (80), 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 14:42:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:42:06,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:42:06,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:42:06,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:42:06,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 14:42:06,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:42:06,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-17 14:42:06,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-17 14:42:06,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:42:53,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:42:53,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:42:53,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:42:53,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:42:53,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 14:42:53,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:42:53,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-17 14:42:53,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-17 14:42:53,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-11-17 14:42:53,755 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 14:42:53,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-17 14:42:53,937 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 14:42:53,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:42:53,937 INFO L85 PathProgramCache]: Analyzing trace with hash 868567873, now seen corresponding path program 7 times [2023-11-17 14:42:53,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:42:53,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829026926] [2023-11-17 14:42:53,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:42:53,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:42:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:42:55,752 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 777 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 14:42:55,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:42:55,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829026926] [2023-11-17 14:42:55,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829026926] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:42:55,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681118780] [2023-11-17 14:42:55,755 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-17 14:42:55,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:42:55,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:42:55,756 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 14:42:55,757 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 14:42:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:42:55,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 70 conjunts are in the unsatisfiable core [2023-11-17 14:42:55,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:42:56,362 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 686 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-11-17 14:42:56,362 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:42:58,175 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 686 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-11-17 14:42:58,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681118780] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:42:58,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:42:58,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 37, 37] total 94 [2023-11-17 14:42:58,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303306385] [2023-11-17 14:42:58,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:42:58,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-11-17 14:42:58,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:42:58,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-11-17 14:42:58,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=990, Invalid=7752, Unknown=0, NotChecked=0, Total=8742 [2023-11-17 14:42:58,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:42:58,179 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:42:58,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 1.202127659574468) internal successors, (113), 94 states have internal predecessors, (113), 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 14:42:58,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:42:58,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 14:42:58,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:42:58,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:42:58,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-17 14:42:58,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 14:42:58,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2023-11-17 14:42:58,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-17 14:42:58,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-11-17 14:42:58,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:43:50,406 WARN L293 SmtUtils]: Spent 5.88s on a formula simplification. DAG size of input: 108 DAG size of output: 17 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:44:30,570 WARN L293 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 104 DAG size of output: 18 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 14:45:14,102 WARN L293 SmtUtils]: Spent 10.71s on a formula simplification. DAG size of input: 101 DAG size of output: 26 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-11-17 14:49:25,147 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 14:49:25,147 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 14:49:25,147 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 14:49:26,160 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 14:49:26,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-11-17 14:49:26,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-17 14:49:26,314 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-11-17 14:49:26,315 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-11-17 14:49:26,315 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-11-17 14:49:26,315 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-11-17 14:49:26,318 INFO L445 BasicCegarLoop]: Path program histogram: [7, 1, 1, 1] [2023-11-17 14:49:26,320 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 14:49:26,320 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 14:49:26,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 02:49:26 BasicIcfg [2023-11-17 14:49:26,322 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 14:49:26,322 INFO L158 Benchmark]: Toolchain (without parser) took 584753.23ms. Allocated memory was 253.8MB in the beginning and 330.3MB in the end (delta: 76.5MB). Free memory was 203.1MB in the beginning and 268.3MB in the end (delta: -65.2MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. [2023-11-17 14:49:26,322 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 210.8MB. Free memory is still 163.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 14:49:26,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.35ms. Allocated memory is still 253.8MB. Free memory was 202.8MB in the beginning and 191.2MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-11-17 14:49:26,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.20ms. Allocated memory is still 253.8MB. Free memory was 191.2MB in the beginning and 189.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 14:49:26,322 INFO L158 Benchmark]: Boogie Preprocessor took 24.50ms. Allocated memory is still 253.8MB. Free memory was 189.1MB in the beginning and 187.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 14:49:26,323 INFO L158 Benchmark]: RCFGBuilder took 628.69ms. Allocated memory is still 253.8MB. Free memory was 187.4MB in the beginning and 190.6MB in the end (delta: -3.3MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2023-11-17 14:49:26,323 INFO L158 Benchmark]: TraceAbstraction took 583865.90ms. Allocated memory was 253.8MB in the beginning and 330.3MB in the end (delta: 76.5MB). Free memory was 190.1MB in the beginning and 268.3MB in the end (delta: -78.1MB). There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 14:49:26,324 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 210.8MB. Free memory is still 163.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 201.35ms. Allocated memory is still 253.8MB. Free memory was 202.8MB in the beginning and 191.2MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.20ms. Allocated memory is still 253.8MB. Free memory was 191.2MB in the beginning and 189.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.50ms. Allocated memory is still 253.8MB. Free memory was 189.1MB in the beginning and 187.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 628.69ms. Allocated memory is still 253.8MB. Free memory was 187.4MB in the beginning and 190.6MB in the end (delta: -3.3MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 583865.90ms. Allocated memory was 253.8MB in the beginning and 330.3MB in the end (delta: 76.5MB). Free memory was 190.1MB in the beginning and 268.3MB in the end (delta: -78.1MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 704, independent: 467, independent conditional: 396, independent unconditional: 71, dependent: 237, dependent conditional: 231, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 484, independent: 467, independent conditional: 396, independent unconditional: 71, dependent: 17, dependent conditional: 11, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 484, independent: 467, independent conditional: 396, independent unconditional: 71, dependent: 17, dependent conditional: 11, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 522, independent: 467, independent conditional: 0, independent unconditional: 467, dependent: 55, dependent conditional: 38, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 522, independent: 467, independent conditional: 0, independent unconditional: 467, dependent: 55, dependent conditional: 38, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 522, independent: 467, independent conditional: 0, independent unconditional: 467, dependent: 55, dependent conditional: 38, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 86, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 14, dependent conditional: 8, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 86, independent: 71, independent conditional: 0, independent unconditional: 71, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 14, dependent conditional: 8, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 14, dependent conditional: 8, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 66, dependent conditional: 26, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 522, independent: 395, independent conditional: 0, independent unconditional: 395, dependent: 41, dependent conditional: 30, dependent unconditional: 11, unknown: 86, unknown conditional: 8, unknown unconditional: 78] , Statistics on independence cache: Total cache size (in pairs): 86, Positive cache size: 72, Positive conditional cache size: 0, Positive unconditional cache size: 72, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 8, Independence queries for same thread: 220 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 15, Number of trivial persistent sets: 13, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 77, independent: 71, independent conditional: 0, independent unconditional: 71, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 704, independent: 467, independent conditional: 396, independent unconditional: 71, dependent: 237, dependent conditional: 231, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 484, independent: 467, independent conditional: 396, independent unconditional: 71, dependent: 17, dependent conditional: 11, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 484, independent: 467, independent conditional: 396, independent unconditional: 71, dependent: 17, dependent conditional: 11, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 522, independent: 467, independent conditional: 0, independent unconditional: 467, dependent: 55, dependent conditional: 38, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 522, independent: 467, independent conditional: 0, independent unconditional: 467, dependent: 55, dependent conditional: 38, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 522, independent: 467, independent conditional: 0, independent unconditional: 467, dependent: 55, dependent conditional: 38, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 86, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 14, dependent conditional: 8, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 86, independent: 71, independent conditional: 0, independent unconditional: 71, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 14, dependent conditional: 8, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 14, dependent conditional: 8, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, independent: 30, independent conditional: 0, independent unconditional: 30, dependent: 66, dependent conditional: 26, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 522, independent: 395, independent conditional: 0, independent unconditional: 395, dependent: 41, dependent conditional: 30, dependent unconditional: 11, unknown: 86, unknown conditional: 8, unknown unconditional: 78] , Statistics on independence cache: Total cache size (in pairs): 86, Positive cache size: 72, Positive conditional cache size: 0, Positive unconditional cache size: 72, Negative cache size: 14, Negative conditional cache size: 8, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 8, Independence queries for same thread: 220 - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 27 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 583.8s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 531.3s, 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: 195, 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: 0.2s SsaConstructionTime, 5.1s SatisfiabilityAnalysisTime, 45.0s InterpolantComputationTime, 525 NumberOfCodeBlocks, 525 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 746 ConstructedInterpolants, 8 QuantifiedInterpolants, 4652 SizeOfPredicates, 23 NumberOfNonLiveVariables, 2046 ConjunctsInSsa, 219 ConjunctsInUnsatCore, 26 InterpolantComputations, 3 PerfectInterpolantSequences, 330/3778 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 [2023-11-17 14:49:26,344 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 0 Completed graceful shutdown