/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/bench-exp3x3-opt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 13:47:42,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 13:47:42,310 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 13:47:42,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 13:47:42,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 13:47:42,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 13:47:42,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 13:47:42,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 13:47:42,349 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 13:47:42,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 13:47:42,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 13:47:42,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 13:47:42,355 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 13:47:42,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 13:47:42,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 13:47:42,357 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 13:47:42,357 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 13:47:42,357 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 13:47:42,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 13:47:42,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 13:47:42,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 13:47:42,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 13:47:42,359 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 13:47:42,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 13:47:42,359 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 13:47:42,359 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 13:47:42,360 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 13:47:42,360 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 13:47:42,360 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 13:47:42,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 13:47:42,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 13:47:42,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 13:47:42,361 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 13:47:42,362 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 13:47:42,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 13:47:42,362 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 13:47:42,362 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 13:47:42,362 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 13:47:42,362 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 13:47:42,362 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 13:47:42,363 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> true [2023-11-17 13:47:42,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 13:47:42,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 13:47:42,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 13:47:42,609 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 13:47:42,609 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 13:47:42,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c [2023-11-17 13:47:43,681 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 13:47:43,861 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 13:47:43,862 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp3x3-opt.wvr.c [2023-11-17 13:47:43,868 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a473815f/dab4df66430445f9b1f73c2f24d52c19/FLAGe9068bd34 [2023-11-17 13:47:43,878 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a473815f/dab4df66430445f9b1f73c2f24d52c19 [2023-11-17 13:47:43,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 13:47:43,881 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 13:47:43,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 13:47:43,882 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 13:47:43,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 13:47:43,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:47:43" (1/1) ... [2023-11-17 13:47:43,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4818aef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:47:43, skipping insertion in model container [2023-11-17 13:47:43,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:47:43" (1/1) ... [2023-11-17 13:47:43,906 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 13:47:44,067 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/bench-exp3x3-opt.wvr.c[2904,2917] [2023-11-17 13:47:44,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 13:47:44,079 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 13:47:44,099 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/bench-exp3x3-opt.wvr.c[2904,2917] [2023-11-17 13:47:44,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 13:47:44,117 INFO L206 MainTranslator]: Completed translation [2023-11-17 13:47:44,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:47:44 WrapperNode [2023-11-17 13:47:44,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 13:47:44,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 13:47:44,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 13:47:44,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 13:47:44,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:47:44" (1/1) ... [2023-11-17 13:47:44,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:47:44" (1/1) ... [2023-11-17 13:47:44,151 INFO L138 Inliner]: procedures = 25, calls = 44, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 131 [2023-11-17 13:47:44,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 13:47:44,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 13:47:44,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 13:47:44,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 13:47:44,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:47:44" (1/1) ... [2023-11-17 13:47:44,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:47:44" (1/1) ... [2023-11-17 13:47:44,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:47:44" (1/1) ... [2023-11-17 13:47:44,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:47:44" (1/1) ... [2023-11-17 13:47:44,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:47:44" (1/1) ... [2023-11-17 13:47:44,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:47:44" (1/1) ... [2023-11-17 13:47:44,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:47:44" (1/1) ... [2023-11-17 13:47:44,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:47:44" (1/1) ... [2023-11-17 13:47:44,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 13:47:44,184 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 13:47:44,184 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 13:47:44,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 13:47:44,185 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:47:44" (1/1) ... [2023-11-17 13:47:44,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 13:47:44,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:47:44,218 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 13:47:44,247 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 13:47:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 13:47:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 13:47:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 13:47:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 13:47:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-17 13:47:44,257 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-17 13:47:44,257 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-17 13:47:44,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-17 13:47:44,258 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-17 13:47:44,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-17 13:47:44,259 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-17 13:47:44,259 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-17 13:47:44,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 13:47:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-17 13:47:44,261 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-17 13:47:44,261 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-17 13:47:44,262 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-17 13:47:44,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 13:47:44,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 13:47:44,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 13:47:44,264 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 13:47:44,370 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 13:47:44,371 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 13:47:44,583 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 13:47:44,834 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 13:47:44,834 INFO L307 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-17 13:47:44,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:47:44 BoogieIcfgContainer [2023-11-17 13:47:44,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 13:47:44,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 13:47:44,837 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 13:47:44,840 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 13:47:44,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 01:47:43" (1/3) ... [2023-11-17 13:47:44,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aad6482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:47:44, skipping insertion in model container [2023-11-17 13:47:44,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:47:44" (2/3) ... [2023-11-17 13:47:44,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aad6482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:47:44, skipping insertion in model container [2023-11-17 13:47:44,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:47:44" (3/3) ... [2023-11-17 13:47:44,842 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp3x3-opt.wvr.c [2023-11-17 13:47:44,849 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 13:47:44,856 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 13:47:44,857 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 13:47:44,857 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 13:47:44,929 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2023-11-17 13:47:44,967 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 13:47:44,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 13:47:44,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:47:44,968 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 13:47:44,972 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 13:47:44,998 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 13:47:45,008 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 13:47:45,013 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;@5da6a31f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 13:47:45,013 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-17 13:47:45,182 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 13:47:45,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:47:45,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1682879789, now seen corresponding path program 1 times [2023-11-17 13:47:45,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:47:45,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212247277] [2023-11-17 13:47:45,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:47:45,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:47:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:47:45,638 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 13:47:45,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:47:45,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212247277] [2023-11-17 13:47:45,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212247277] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:47:45,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:47:45,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 13:47:45,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802674795] [2023-11-17 13:47:45,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:47:45,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 13:47:45,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:47:45,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 13:47:45,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 13:47:45,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:47:45,668 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:47:45,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 13:47:45,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:47:45,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:45,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 13:47:45,782 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 13:47:45,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:47:45,782 INFO L85 PathProgramCache]: Analyzing trace with hash 526653670, now seen corresponding path program 1 times [2023-11-17 13:47:45,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:47:45,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330074100] [2023-11-17 13:47:45,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:47:45,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:47:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:47:46,046 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 13:47:46,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:47:46,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330074100] [2023-11-17 13:47:46,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330074100] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:47:46,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:47:46,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 13:47:46,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836074347] [2023-11-17 13:47:46,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:47:46,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 13:47:46,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:47:46,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 13:47:46,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 13:47:46,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:47:46,052 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:47:46,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 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 13:47:46,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:46,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:47:46,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:46,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:46,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 13:47:46,152 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 13:47:46,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:47:46,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1461075111, now seen corresponding path program 1 times [2023-11-17 13:47:46,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:47:46,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409826723] [2023-11-17 13:47:46,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:47:46,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:47:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:47:46,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 13:47:46,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:47:46,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409826723] [2023-11-17 13:47:46,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409826723] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 13:47:46,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 13:47:46,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 13:47:46,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201297752] [2023-11-17 13:47:46,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 13:47:46,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 13:47:46,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:47:46,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 13:47:46,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 13:47:46,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:47:46,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:47:46,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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 13:47:46,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:46,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:46,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:47:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:46,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:46,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-17 13:47:46,395 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 13:47:46,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:47:46,396 INFO L85 PathProgramCache]: Analyzing trace with hash -358937388, now seen corresponding path program 1 times [2023-11-17 13:47:46,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:47:46,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094114837] [2023-11-17 13:47:46,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:47:46,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:47:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:47:46,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 13:47:46,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:47:46,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094114837] [2023-11-17 13:47:46,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094114837] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:47:46,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144929070] [2023-11-17 13:47:46,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:47:46,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:47:46,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:47:46,591 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 13:47:46,612 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 13:47:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:47:46,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-17 13:47:46,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:47:46,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 13:47:46,847 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:47:46,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 13:47:46,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144929070] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:47:46,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:47:46,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2023-11-17 13:47:46,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438566046] [2023-11-17 13:47:46,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:47:46,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-17 13:47:46,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:47:46,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-17 13:47:46,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-17 13:47:46,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:47:46,939 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:47:46,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 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 13:47:46,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:46,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:46,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:46,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:47:47,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:47,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:47,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:47,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:47:47,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-17 13:47:47,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-17 13:47:47,288 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 13:47:47,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:47:47,288 INFO L85 PathProgramCache]: Analyzing trace with hash 914735356, now seen corresponding path program 1 times [2023-11-17 13:47:47,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:47:47,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14474995] [2023-11-17 13:47:47,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:47:47,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:47:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:47:47,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 13:47:47,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:47:47,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14474995] [2023-11-17 13:47:47,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14474995] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:47:47,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137143138] [2023-11-17 13:47:47,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:47:47,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:47:47,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:47:47,453 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 13:47:47,469 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 13:47:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:47:47,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-17 13:47:47,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:47:47,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 13:47:47,646 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:47:47,712 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 13:47:47,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137143138] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:47:47,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:47:47,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-17 13:47:47,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000499138] [2023-11-17 13:47:47,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:47:47,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-17 13:47:47,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:47:47,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-17 13:47:47,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-17 13:47:47,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:47:47,715 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:47:47,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 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 13:47:47,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:47,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:47,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:47,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:47:47,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:47:47,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:47,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:47,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:47:47,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:47:47,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-17 13:47:47,919 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 13:47:48,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:47:48,114 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 13:47:48,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:47:48,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1659873170, now seen corresponding path program 1 times [2023-11-17 13:47:48,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:47:48,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687989391] [2023-11-17 13:47:48,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:47:48,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:47:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:47:48,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 13:47:48,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:47:48,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687989391] [2023-11-17 13:47:48,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687989391] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:47:48,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479677220] [2023-11-17 13:47:48,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:47:48,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:47:48,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:47:48,802 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 13:47:48,824 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 13:47:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:47:49,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-17 13:47:49,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:48:15,074 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-17 13:48:15,074 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:48:25,804 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-17 13:48:25,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479677220] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:48:25,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:48:25,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 4] total 15 [2023-11-17 13:48:25,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981911521] [2023-11-17 13:48:25,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:48:25,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-17 13:48:25,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:48:25,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-17 13:48:25,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=188, Unknown=9, NotChecked=0, Total=240 [2023-11-17 13:48:25,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:48:25,806 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:48:25,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.125) internal successors, (130), 15 states have internal predecessors, (130), 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 13:48:25,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:48:25,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:48:25,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:48:25,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:48:25,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-17 13:48:25,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:48:33,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:48:33,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:48:33,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:48:33,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:48:33,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-17 13:48:33,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-17 13:48:33,015 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 13:48:33,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:48:33,211 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 13:48:33,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:48:33,211 INFO L85 PathProgramCache]: Analyzing trace with hash 845930913, now seen corresponding path program 2 times [2023-11-17 13:48:33,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:48:33,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146893522] [2023-11-17 13:48:33,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:48:33,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:48:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:48:33,713 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-17 13:48:33,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:48:33,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146893522] [2023-11-17 13:48:33,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146893522] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:48:33,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860332413] [2023-11-17 13:48:33,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 13:48:33,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:48:33,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:48:33,715 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 13:48:33,771 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 13:48:41,273 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 13:48:41,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 13:48:41,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-17 13:48:41,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:48:58,650 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-17 13:48:58,651 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:49:17,766 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-17 13:49:17,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860332413] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:49:17,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:49:17,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5] total 15 [2023-11-17 13:49:17,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538995201] [2023-11-17 13:49:17,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:49:17,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-17 13:49:17,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:49:17,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-17 13:49:17,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=188, Unknown=13, NotChecked=0, Total=240 [2023-11-17 13:49:17,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:49:17,769 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:49:17,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.3125) internal successors, (133), 15 states have internal predecessors, (133), 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 13:49:17,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:49:17,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:49:17,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:49:17,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:49:17,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-17 13:49:17,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-17 13:49:17,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:49:21,935 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 [] [2023-11-17 13:49:40,977 WARN L293 SmtUtils]: Spent 16.57s on a formula simplification. DAG size of input: 41 DAG size of output: 21 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 13:49:43,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 13:49:45,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 13:49:47,071 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 [] [2023-11-17 13:50:05,454 WARN L293 SmtUtils]: Spent 9.85s on a formula simplification. DAG size of input: 44 DAG size of output: 21 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-17 13:50:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:50:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:50:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:50:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:50:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-17 13:50:09,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-17 13:50:09,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-17 13:50:09,716 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 13:50:09,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:50:09,910 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 13:50:09,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:50:09,910 INFO L85 PathProgramCache]: Analyzing trace with hash 753800946, now seen corresponding path program 3 times [2023-11-17 13:50:09,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:50:09,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76942140] [2023-11-17 13:50:09,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:50:09,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:50:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:50:25,229 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-17 13:50:25,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:50:25,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76942140] [2023-11-17 13:50:25,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76942140] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:50:25,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208214297] [2023-11-17 13:50:25,230 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 13:50:25,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:50:25,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:50:25,231 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 13:50:25,232 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 13:55:19,587 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-17 13:55:19,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 13:55:19,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-17 13:55:19,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 13:55:20,263 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-17 13:55:20,263 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 13:55:21,015 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-17 13:55:21,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208214297] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 13:55:21,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 13:55:21,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 14 [2023-11-17 13:55:21,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519550357] [2023-11-17 13:55:21,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 13:55:21,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-17 13:55:21,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:55:21,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-17 13:55:21,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2023-11-17 13:55:21,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:55:21,017 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:55:21,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.066666666666666) internal successors, (106), 14 states have internal predecessors, (106), 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 13:55:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:55:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:55:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:55:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:55:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-17 13:55:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-17 13:55:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-17 13:55:21,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:55:23,801 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 [] [2023-11-17 13:55:25,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 13:55:28,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 13:55:29,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 13:55:33,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 13:55:40,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 13:55:42,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 13:55:44,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 13:55:48,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 13:55:51,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 13:55:58,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-17 13:55:58,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:55:58,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:55:58,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:55:58,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:55:58,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-17 13:55:58,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-17 13:55:58,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-17 13:55:58,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:55:58,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-17 13:55:58,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:55:58,718 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-17 13:55:58,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 13:55:58,718 INFO L85 PathProgramCache]: Analyzing trace with hash -862407689, now seen corresponding path program 4 times [2023-11-17 13:55:58,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 13:55:58,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696382126] [2023-11-17 13:55:58,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 13:55:58,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 13:55:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 13:55:59,341 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-17 13:55:59,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 13:55:59,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696382126] [2023-11-17 13:55:59,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696382126] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 13:55:59,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441432952] [2023-11-17 13:55:59,342 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-17 13:55:59,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 13:55:59,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 13:55:59,345 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 13:55:59,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process Received shutdown request... [2023-11-17 13:57:17,432 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 13:57:17,432 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 13:57:17,455 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 13:57:18,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-11-17 13:57:18,449 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 [2023-11-17 13:57:18,656 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forcibly destroying the process [2023-11-17 13:57:18,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 137 [2023-11-17 13:57:18,667 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-17 13:57:18,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-17 13:57:18,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2023-11-17 13:57:18,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697731412] [2023-11-17 13:57:18,667 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-17 13:57:18,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-17 13:57:18,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 13:57:18,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-17 13:57:18,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-17 13:57:18,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:57:18,668 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 13:57:18,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 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 13:57:18,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:57:18,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:57:18,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 13:57:18,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 13:57:18,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-17 13:57:18,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-17 13:57:18,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-11-17 13:57:18,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-17 13:57:18,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 13:57:18,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-17 13:57:18,669 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-11-17 13:57:18,671 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2023-11-17 13:57:18,671 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 7 remaining) [2023-11-17 13:57:18,671 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-11-17 13:57:18,671 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2023-11-17 13:57:18,671 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2023-11-17 13:57:18,672 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2023-11-17 13:57:18,672 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2023-11-17 13:57:18,675 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2023-11-17 13:57:18,678 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 13:57:18,678 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 13:57:18,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 01:57:18 BasicIcfg [2023-11-17 13:57:18,680 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 13:57:18,680 INFO L158 Benchmark]: Toolchain (without parser) took 574798.78ms. Allocated memory was 216.0MB in the beginning and 352.3MB in the end (delta: 136.3MB). Free memory was 168.1MB in the beginning and 284.1MB in the end (delta: -116.0MB). Peak memory consumption was 21.9MB. Max. memory is 8.0GB. [2023-11-17 13:57:18,680 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 216.0MB. Free memory is still 170.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 13:57:18,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.16ms. Allocated memory is still 216.0MB. Free memory was 168.1MB in the beginning and 156.1MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-11-17 13:57:18,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.74ms. Allocated memory is still 216.0MB. Free memory was 156.1MB in the beginning and 154.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 13:57:18,681 INFO L158 Benchmark]: Boogie Preprocessor took 31.48ms. Allocated memory is still 216.0MB. Free memory was 154.2MB in the beginning and 152.4MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-11-17 13:57:18,681 INFO L158 Benchmark]: RCFGBuilder took 651.05ms. Allocated memory is still 216.0MB. Free memory was 152.4MB in the beginning and 168.0MB in the end (delta: -15.6MB). Peak memory consumption was 34.2MB. Max. memory is 8.0GB. [2023-11-17 13:57:18,681 INFO L158 Benchmark]: TraceAbstraction took 573842.71ms. Allocated memory was 216.0MB in the beginning and 352.3MB in the end (delta: 136.3MB). Free memory was 167.5MB in the beginning and 284.1MB in the end (delta: -116.6MB). Peak memory consumption was 21.3MB. Max. memory is 8.0GB. [2023-11-17 13:57:18,682 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 216.0MB. Free memory is still 170.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 235.16ms. Allocated memory is still 216.0MB. Free memory was 168.1MB in the beginning and 156.1MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.74ms. Allocated memory is still 216.0MB. Free memory was 156.1MB in the beginning and 154.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.48ms. Allocated memory is still 216.0MB. Free memory was 154.2MB in the beginning and 152.4MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 651.05ms. Allocated memory is still 216.0MB. Free memory was 152.4MB in the beginning and 168.0MB in the end (delta: -15.6MB). Peak memory consumption was 34.2MB. Max. memory is 8.0GB. * TraceAbstraction took 573842.71ms. Allocated memory was 216.0MB in the beginning and 352.3MB in the end (delta: 136.3MB). Free memory was 167.5MB in the beginning and 284.1MB in the end (delta: -116.6MB). Peak memory consumption was 21.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1584, independent: 1423, independent conditional: 354, independent unconditional: 1069, dependent: 161, dependent conditional: 150, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1434, independent: 1423, independent conditional: 354, independent unconditional: 1069, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1434, independent: 1423, independent conditional: 354, independent unconditional: 1069, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1434, independent: 1423, independent conditional: 0, independent unconditional: 1423, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1434, independent: 1423, independent conditional: 0, independent unconditional: 1423, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1434, independent: 1423, independent conditional: 0, independent unconditional: 1423, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1080, independent: 1069, independent conditional: 0, independent unconditional: 1069, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1080, independent: 1064, independent conditional: 0, independent unconditional: 1064, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1434, independent: 354, independent conditional: 0, independent unconditional: 354, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1080, unknown conditional: 0, unknown unconditional: 1080] , Statistics on independence cache: Total cache size (in pairs): 1080, Positive cache size: 1069, Positive conditional cache size: 0, Positive unconditional cache size: 1069, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 150 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 38, Number of trivial persistent sets: 36, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1080, independent: 1069, independent conditional: 0, independent unconditional: 1069, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1584, independent: 1423, independent conditional: 354, independent unconditional: 1069, dependent: 161, dependent conditional: 150, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1434, independent: 1423, independent conditional: 354, independent unconditional: 1069, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1434, independent: 1423, independent conditional: 354, independent unconditional: 1069, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1434, independent: 1423, independent conditional: 0, independent unconditional: 1423, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1434, independent: 1423, independent conditional: 0, independent unconditional: 1423, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1434, independent: 1423, independent conditional: 0, independent unconditional: 1423, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1080, independent: 1069, independent conditional: 0, independent unconditional: 1069, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1080, independent: 1064, independent conditional: 0, independent unconditional: 1064, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1434, independent: 354, independent conditional: 0, independent unconditional: 354, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1080, unknown conditional: 0, unknown unconditional: 1080] , Statistics on independence cache: Total cache size (in pairs): 1080, Positive cache size: 1069, Positive conditional cache size: 0, Positive unconditional cache size: 1069, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 150 - TimeoutResultAtElement [Line: 117]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 106]: 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 13 procedures, 70 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 573.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 97.4s, 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: 62, 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: 0.1s SsaConstructionTime, 303.2s SatisfiabilityAnalysisTime, 91.8s InterpolantComputationTime, 617 NumberOfCodeBlocks, 617 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 822 ConstructedInterpolants, 0 QuantifiedInterpolants, 11444 SizeOfPredicates, 50 NumberOfNonLiveVariables, 1742 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 19 InterpolantComputations, 3 PerfectInterpolantSequences, 118/171 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown