/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi003_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-15 22:35:05,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 22:35:05,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 22:35:05,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-11-15 22:35:05,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 22:35:05,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 22:35:05,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 22:35:05,151 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-15 22:35:05,179 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 22:35:05,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 22:35:05,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 22:35:05,180 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 22:35:05,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 22:35:05,181 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 22:35:05,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 22:35:05,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 22:35:05,182 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 22:35:05,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 22:35:05,182 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 22:35:05,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 22:35:05,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 22:35:05,183 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 22:35:05,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 22:35:05,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 22:35:05,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 22:35:05,183 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 22:35:05,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 22:35:05,183 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 22:35:05,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 22:35:05,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 22:35:05,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 22:35:05,184 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 22:35:05,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 22:35:05,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 22:35:05,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 22:35:05,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 22:35:05,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 22:35:05,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 22:35:05,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 22:35:05,185 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 22:35:05,185 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 22:35:05,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 22:35:05,185 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 22:35:05,186 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 22:35:05,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-11-15 22:35:05,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 22:35:05,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 22:35:05,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 22:35:05,425 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 22:35:05,425 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 22:35:05,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi003_tso.i [2022-11-15 22:35:05,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0297d31a/5d6df79a062242fcaff7a82aa73f804b/FLAG7d782a58e [2022-11-15 22:35:05,909 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 22:35:05,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_tso.i [2022-11-15 22:35:05,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0297d31a/5d6df79a062242fcaff7a82aa73f804b/FLAG7d782a58e [2022-11-15 22:35:06,259 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0297d31a/5d6df79a062242fcaff7a82aa73f804b [2022-11-15 22:35:06,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 22:35:06,262 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 22:35:06,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 22:35:06,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 22:35:06,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 22:35:06,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:35:06" (1/1) ... [2022-11-15 22:35:06,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a37c36d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:06, skipping insertion in model container [2022-11-15 22:35:06,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:35:06" (1/1) ... [2022-11-15 22:35:06,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 22:35:06,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 22:35:06,486 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_tso.i[944,957] [2022-11-15 22:35:06,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 22:35:06,676 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 22:35:06,685 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_tso.i[944,957] [2022-11-15 22:35:06,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 22:35:06,770 INFO L208 MainTranslator]: Completed translation [2022-11-15 22:35:06,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:06 WrapperNode [2022-11-15 22:35:06,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 22:35:06,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 22:35:06,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 22:35:06,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 22:35:06,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:06" (1/1) ... [2022-11-15 22:35:06,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:06" (1/1) ... [2022-11-15 22:35:06,831 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 165 [2022-11-15 22:35:06,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 22:35:06,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 22:35:06,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 22:35:06,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 22:35:06,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:06" (1/1) ... [2022-11-15 22:35:06,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:06" (1/1) ... [2022-11-15 22:35:06,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:06" (1/1) ... [2022-11-15 22:35:06,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:06" (1/1) ... [2022-11-15 22:35:06,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:06" (1/1) ... [2022-11-15 22:35:06,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:06" (1/1) ... [2022-11-15 22:35:06,854 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:06" (1/1) ... [2022-11-15 22:35:06,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:06" (1/1) ... [2022-11-15 22:35:06,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 22:35:06,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 22:35:06,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 22:35:06,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 22:35:06,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:06" (1/1) ... [2022-11-15 22:35:06,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 22:35:06,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 22:35:06,919 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) [2022-11-15 22:35:06,921 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 [2022-11-15 22:35:06,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 22:35:06,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-15 22:35:06,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 22:35:06,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 22:35:06,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 22:35:06,956 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-15 22:35:06,956 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-15 22:35:06,956 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-15 22:35:06,956 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-15 22:35:06,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 22:35:06,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-15 22:35:06,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 22:35:06,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 22:35:06,957 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 22:35:07,068 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 22:35:07,069 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 22:35:07,333 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 22:35:07,460 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 22:35:07,460 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-15 22:35:07,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:35:07 BoogieIcfgContainer [2022-11-15 22:35:07,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 22:35:07,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 22:35:07,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 22:35:07,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 22:35:07,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:35:06" (1/3) ... [2022-11-15 22:35:07,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab79b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:35:07, skipping insertion in model container [2022-11-15 22:35:07,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:35:06" (2/3) ... [2022-11-15 22:35:07,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab79b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:35:07, skipping insertion in model container [2022-11-15 22:35:07,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:35:07" (3/3) ... [2022-11-15 22:35:07,468 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi003_tso.i [2022-11-15 22:35:07,474 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 22:35:07,480 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 22:35:07,480 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-15 22:35:07,480 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 22:35:07,520 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-15 22:35:07,570 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:35:07,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 22:35:07,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 22:35:07,602 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) [2022-11-15 22:35:07,615 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 [2022-11-15 22:35:07,642 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 22:35:07,651 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ======== [2022-11-15 22:35:07,658 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@43f0a2f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:35:07,659 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-15 22:35:07,820 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-15 22:35:07,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:35:07,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1215735634, now seen corresponding path program 1 times [2022-11-15 22:35:07,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:35:07,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468334271] [2022-11-15 22:35:07,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:35:07,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:35:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:35:08,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:35:08,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:35:08,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468334271] [2022-11-15 22:35:08,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468334271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:35:08,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:35:08,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 22:35:08,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199147533] [2022-11-15 22:35:08,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:35:08,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-15 22:35:08,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:35:08,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-15 22:35:08,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-15 22:35:08,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:08,656 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:35:08,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 22:35:08,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:09,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:35:09,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-15 22:35:09,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 22:35:09,082 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-15 22:35:09,083 INFO L307 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was SAFE (1/2) [2022-11-15 22:35:09,086 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:35:09,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 22:35:09,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 22:35:09,089 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-15 22:35:09,111 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 22:35:09,112 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-15 22:35:09,112 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@43f0a2f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:35:09,112 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-15 22:35:09,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-15 22:35:09,176 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 22:35:09,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:35:09,177 INFO L85 PathProgramCache]: Analyzing trace with hash 25297877, now seen corresponding path program 1 times [2022-11-15 22:35:09,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:35:09,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507852735] [2022-11-15 22:35:09,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:35:09,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:35:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:35:09,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:35:09,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:35:09,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507852735] [2022-11-15 22:35:09,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507852735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:35:09,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:35:09,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 22:35:09,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584508584] [2022-11-15 22:35:09,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:35:09,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 22:35:09,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:35:09,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 22:35:09,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 22:35:09,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:09,199 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:35:09,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 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) [2022-11-15 22:35:09,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:09,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:09,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 22:35:09,209 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 22:35:09,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:35:09,209 INFO L85 PathProgramCache]: Analyzing trace with hash -2058558514, now seen corresponding path program 1 times [2022-11-15 22:35:09,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:35:09,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404250868] [2022-11-15 22:35:09,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:35:09,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:35:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:35:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:35:09,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:35:09,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404250868] [2022-11-15 22:35:09,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404250868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:35:09,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:35:09,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-15 22:35:09,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964391264] [2022-11-15 22:35:09,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:35:09,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 22:35:09,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:35:09,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 22:35:09,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-15 22:35:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:09,742 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:35:09,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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) [2022-11-15 22:35:09,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:09,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:10,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:10,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:10,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-15 22:35:10,114 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 22:35:10,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:35:10,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1316382632, now seen corresponding path program 1 times [2022-11-15 22:35:10,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:35:10,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081420060] [2022-11-15 22:35:10,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:35:10,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:35:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:35:10,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:35:10,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:35:10,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081420060] [2022-11-15 22:35:10,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081420060] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:35:10,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:35:10,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-15 22:35:10,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782533171] [2022-11-15 22:35:10,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:35:10,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-15 22:35:10,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:35:10,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-15 22:35:10,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-15 22:35:10,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:10,903 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:35:10,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 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) [2022-11-15 22:35:10,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:10,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:10,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 22:35:11,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-15 22:35:11,410 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 22:35:11,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:35:11,410 INFO L85 PathProgramCache]: Analyzing trace with hash -248734992, now seen corresponding path program 1 times [2022-11-15 22:35:11,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:35:11,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545645651] [2022-11-15 22:35:11,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:35:11,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:35:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:35:12,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:35:12,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:35:12,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545645651] [2022-11-15 22:35:12,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545645651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:35:12,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:35:12,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-15 22:35:12,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078002590] [2022-11-15 22:35:12,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:35:12,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-15 22:35:12,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:35:12,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-15 22:35:12,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-15 22:35:12,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:12,011 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:35:12,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 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) [2022-11-15 22:35:12,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:12,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:12,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 22:35:12,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:12,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:12,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:12,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 22:35:12,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:12,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-15 22:35:12,223 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 22:35:12,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:35:12,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1873238245, now seen corresponding path program 1 times [2022-11-15 22:35:12,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:35:12,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472625194] [2022-11-15 22:35:12,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:35:12,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:35:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:35:14,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:35:14,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:35:14,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472625194] [2022-11-15 22:35:14,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472625194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:35:14,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:35:14,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-11-15 22:35:14,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102860043] [2022-11-15 22:35:14,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:35:14,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-15 22:35:14,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:35:14,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-15 22:35:14,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-11-15 22:35:14,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:14,110 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:35:14,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.705882352941177) internal successors, (80), 17 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 22:35:14,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:14,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:14,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 22:35:14,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:14,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:14,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 22:35:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:35:14,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-15 22:35:14,507 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 22:35:14,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:35:14,507 INFO L85 PathProgramCache]: Analyzing trace with hash 117189033, now seen corresponding path program 1 times [2022-11-15 22:35:14,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:35:14,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326009987] [2022-11-15 22:35:14,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:35:14,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:35:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:35:15,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:35:15,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:35:15,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326009987] [2022-11-15 22:35:15,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326009987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:35:15,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:35:15,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-15 22:35:15,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686340884] [2022-11-15 22:35:15,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:35:15,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-15 22:35:15,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:35:15,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-15 22:35:15,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-15 22:35:15,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:15,114 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:35:15,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.333333333333334) internal successors, (75), 9 states have internal predecessors, (75), 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) [2022-11-15 22:35:15,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:15,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:15,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 22:35:15,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:15,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:35:15,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:15,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:15,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:15,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 22:35:15,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:15,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:35:15,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:15,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-15 22:35:15,277 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 22:35:15,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:35:15,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1629622896, now seen corresponding path program 2 times [2022-11-15 22:35:15,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:35:15,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166707885] [2022-11-15 22:35:15,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:35:15,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:35:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:35:15,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:35:15,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:35:15,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166707885] [2022-11-15 22:35:15,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166707885] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:35:15,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:35:15,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-15 22:35:15,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654523523] [2022-11-15 22:35:15,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:35:15,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 22:35:15,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:35:15,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 22:35:15,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-15 22:35:15,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:15,441 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:35:15,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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) [2022-11-15 22:35:15,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:15,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:15,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 22:35:15,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:15,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:35:15,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:15,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:15,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:15,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:15,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 22:35:15,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:15,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:35:15,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:15,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:15,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-15 22:35:15,535 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 22:35:15,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:35:15,535 INFO L85 PathProgramCache]: Analyzing trace with hash 814159643, now seen corresponding path program 2 times [2022-11-15 22:35:15,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:35:15,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392222777] [2022-11-15 22:35:15,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:35:15,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:35:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:35:17,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:35:17,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:35:17,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392222777] [2022-11-15 22:35:17,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392222777] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:35:17,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:35:17,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-11-15 22:35:17,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951432414] [2022-11-15 22:35:17,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:35:17,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-15 22:35:17,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:35:17,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-15 22:35:17,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2022-11-15 22:35:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:17,643 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:35:17,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.444444444444445) internal successors, (80), 18 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 22:35:17,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:17,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:17,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 22:35:17,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:17,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:35:17,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:17,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:17,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 22:35:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:35:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:18,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:18,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 22:35:18,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-15 22:35:18,078 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 22:35:18,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:35:18,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1914033065, now seen corresponding path program 3 times [2022-11-15 22:35:18,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:35:18,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450324593] [2022-11-15 22:35:18,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:35:18,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:35:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:35:20,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:35:20,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:35:20,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450324593] [2022-11-15 22:35:20,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450324593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:35:20,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:35:20,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-11-15 22:35:20,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906613207] [2022-11-15 22:35:20,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:35:20,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-15 22:35:20,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:35:20,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-15 22:35:20,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2022-11-15 22:35:20,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:20,071 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:35:20,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.444444444444445) internal successors, (80), 18 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 22:35:20,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:20,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:20,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 22:35:20,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:20,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:35:20,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:20,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:20,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-15 22:35:20,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:20,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:20,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:20,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 22:35:20,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:20,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:35:20,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:20,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:20,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 22:35:20,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:35:20,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-15 22:35:20,930 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-15 22:35:20,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:35:20,931 INFO L85 PathProgramCache]: Analyzing trace with hash 537693079, now seen corresponding path program 4 times [2022-11-15 22:35:20,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:35:20,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876775054] [2022-11-15 22:35:20,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:35:20,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:35:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:35:21,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:35:21,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:35:21,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876775054] [2022-11-15 22:35:21,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876775054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:35:21,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:35:21,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-15 22:35:21,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267286813] [2022-11-15 22:35:21,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:35:21,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 22:35:21,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:35:21,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 22:35:21,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-15 22:35:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:21,095 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:35:21,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 22:35:21,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:21,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:21,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-11-15 22:35:21,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:21,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:35:21,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:21,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:21,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-11-15 22:35:21,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:35:21,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:21,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:35:21,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:21,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-15 22:35:21,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:21,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:35:21,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-15 22:35:21,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-15 22:35:21,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-15 22:35:21,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-15 22:35:21,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 22:35:21,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-11-15 22:35:21,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-15 22:35:21,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-15 22:35:21,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-15 22:35:21,231 INFO L444 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1, 1] [2022-11-15 22:35:21,231 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/2) [2022-11-15 22:35:21,232 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-15 22:35:21,232 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-15 22:35:21,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:35:21 BasicIcfg [2022-11-15 22:35:21,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-15 22:35:21,234 INFO L158 Benchmark]: Toolchain (without parser) took 14972.91ms. Allocated memory was 191.9MB in the beginning and 799.0MB in the end (delta: 607.1MB). Free memory was 167.3MB in the beginning and 536.4MB in the end (delta: -369.2MB). Peak memory consumption was 237.2MB. Max. memory is 8.0GB. [2022-11-15 22:35:21,235 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory is still 152.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 22:35:21,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.14ms. Allocated memory was 191.9MB in the beginning and 238.0MB in the end (delta: 46.1MB). Free memory was 167.3MB in the beginning and 196.2MB in the end (delta: -28.9MB). Peak memory consumption was 19.8MB. Max. memory is 8.0GB. [2022-11-15 22:35:21,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.86ms. Allocated memory is still 238.0MB. Free memory was 196.2MB in the beginning and 193.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-15 22:35:21,235 INFO L158 Benchmark]: Boogie Preprocessor took 42.97ms. Allocated memory is still 238.0MB. Free memory was 193.0MB in the beginning and 190.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 22:35:21,235 INFO L158 Benchmark]: RCFGBuilder took 587.06ms. Allocated memory is still 238.0MB. Free memory was 190.9MB in the beginning and 143.8MB in the end (delta: 47.2MB). Peak memory consumption was 47.2MB. Max. memory is 8.0GB. [2022-11-15 22:35:21,235 INFO L158 Benchmark]: TraceAbstraction took 13770.20ms. Allocated memory was 238.0MB in the beginning and 799.0MB in the end (delta: 561.0MB). Free memory was 143.1MB in the beginning and 537.0MB in the end (delta: -393.8MB). Peak memory consumption was 168.1MB. Max. memory is 8.0GB. [2022-11-15 22:35:21,236 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory is still 152.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 508.14ms. Allocated memory was 191.9MB in the beginning and 238.0MB in the end (delta: 46.1MB). Free memory was 167.3MB in the beginning and 196.2MB in the end (delta: -28.9MB). Peak memory consumption was 19.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.86ms. Allocated memory is still 238.0MB. Free memory was 196.2MB in the beginning and 193.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.97ms. Allocated memory is still 238.0MB. Free memory was 193.0MB in the beginning and 190.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 587.06ms. Allocated memory is still 238.0MB. Free memory was 190.9MB in the beginning and 143.8MB in the end (delta: 47.2MB). Peak memory consumption was 47.2MB. Max. memory is 8.0GB. * TraceAbstraction took 13770.20ms. Allocated memory was 238.0MB in the beginning and 799.0MB in the end (delta: 561.0MB). Free memory was 143.1MB in the beginning and 537.0MB in the end (delta: -393.8MB). Peak memory consumption was 168.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1598, independent: 1502, independent conditional: 631, independent unconditional: 871, dependent: 96, dependent conditional: 67, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1586, independent: 1502, independent conditional: 631, independent unconditional: 871, dependent: 84, dependent conditional: 55, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1586, independent: 1502, independent conditional: 631, independent unconditional: 871, dependent: 84, dependent conditional: 55, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1681, independent: 1502, independent conditional: 40, independent unconditional: 1462, dependent: 179, dependent conditional: 55, dependent unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1681, independent: 1502, independent conditional: 40, independent unconditional: 1462, dependent: 179, dependent conditional: 51, dependent unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1681, independent: 1502, independent conditional: 40, independent unconditional: 1462, dependent: 179, dependent conditional: 51, dependent unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 921, independent: 879, independent conditional: 8, independent unconditional: 871, dependent: 42, dependent conditional: 9, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 921, independent: 869, independent conditional: 0, independent unconditional: 869, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 52, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 42, dependent conditional: 9, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 52, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 42, dependent conditional: 9, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 368, independent: 79, independent conditional: 51, independent unconditional: 29, dependent: 289, dependent conditional: 53, dependent unconditional: 236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1681, independent: 623, independent conditional: 32, independent unconditional: 591, dependent: 137, dependent conditional: 42, dependent unconditional: 95, unknown: 921, unknown conditional: 17, unknown unconditional: 904] , Statistics on independence cache: Total cache size (in pairs): 921, Positive cache size: 879, Positive conditional cache size: 8, Positive unconditional cache size: 871, Negative cache size: 42, Negative conditional cache size: 9, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 1, Independence queries for same thread: 12 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 277, Number of trivial persistent sets: 248, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 900, independent: 871, independent conditional: 0, independent unconditional: 871, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1598, independent: 1502, independent conditional: 631, independent unconditional: 871, dependent: 96, dependent conditional: 67, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1586, independent: 1502, independent conditional: 631, independent unconditional: 871, dependent: 84, dependent conditional: 55, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1586, independent: 1502, independent conditional: 631, independent unconditional: 871, dependent: 84, dependent conditional: 55, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1681, independent: 1502, independent conditional: 40, independent unconditional: 1462, dependent: 179, dependent conditional: 55, dependent unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1681, independent: 1502, independent conditional: 40, independent unconditional: 1462, dependent: 179, dependent conditional: 51, dependent unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1681, independent: 1502, independent conditional: 40, independent unconditional: 1462, dependent: 179, dependent conditional: 51, dependent unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 921, independent: 879, independent conditional: 8, independent unconditional: 871, dependent: 42, dependent conditional: 9, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 921, independent: 869, independent conditional: 0, independent unconditional: 869, dependent: 52, dependent conditional: 0, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 52, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 42, dependent conditional: 9, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 52, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 42, dependent conditional: 9, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 368, independent: 79, independent conditional: 51, independent unconditional: 29, dependent: 289, dependent conditional: 53, dependent unconditional: 236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1681, independent: 623, independent conditional: 32, independent unconditional: 591, dependent: 137, dependent conditional: 42, dependent unconditional: 95, unknown: 921, unknown conditional: 17, unknown unconditional: 904] , Statistics on independence cache: Total cache size (in pairs): 921, Positive cache size: 879, Positive conditional cache size: 8, Positive unconditional cache size: 871, Negative cache size: 42, Negative conditional cache size: 9, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 1, Independence queries for same thread: 12 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4008, independent: 3775, independent conditional: 2773, independent unconditional: 1002, dependent: 233, dependent conditional: 178, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3913, independent: 3775, independent conditional: 2773, independent unconditional: 1002, dependent: 138, dependent conditional: 83, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3913, independent: 3775, independent conditional: 2773, independent unconditional: 1002, dependent: 138, dependent conditional: 83, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4278, independent: 3775, independent conditional: 74, independent unconditional: 3701, dependent: 503, dependent conditional: 291, dependent unconditional: 212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4278, independent: 3775, independent conditional: 74, independent unconditional: 3701, dependent: 503, dependent conditional: 92, dependent unconditional: 411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4278, independent: 3775, independent conditional: 74, independent unconditional: 3701, dependent: 503, dependent conditional: 92, dependent unconditional: 411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1112, independent: 1020, independent conditional: 18, independent unconditional: 1002, dependent: 92, dependent conditional: 34, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1112, independent: 999, independent conditional: 0, independent unconditional: 999, dependent: 113, dependent conditional: 0, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 113, independent: 21, independent conditional: 18, independent unconditional: 3, dependent: 92, dependent conditional: 34, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, independent: 21, independent conditional: 18, independent unconditional: 3, dependent: 92, dependent conditional: 34, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 756, independent: 128, independent conditional: 99, independent unconditional: 29, dependent: 628, dependent conditional: 256, dependent unconditional: 372, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4278, independent: 2755, independent conditional: 56, independent unconditional: 2699, dependent: 411, dependent conditional: 58, dependent unconditional: 353, unknown: 1112, unknown conditional: 52, unknown unconditional: 1060] , Statistics on independence cache: Total cache size (in pairs): 1112, Positive cache size: 1020, Positive conditional cache size: 18, Positive unconditional cache size: 1002, Negative cache size: 92, Negative conditional cache size: 34, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 199, Maximal queried relation: 8, Independence queries for same thread: 95 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 262, Number of trivial persistent sets: 129, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1057, independent: 1002, independent conditional: 0, independent unconditional: 1002, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4008, independent: 3775, independent conditional: 2773, independent unconditional: 1002, dependent: 233, dependent conditional: 178, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3913, independent: 3775, independent conditional: 2773, independent unconditional: 1002, dependent: 138, dependent conditional: 83, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3913, independent: 3775, independent conditional: 2773, independent unconditional: 1002, dependent: 138, dependent conditional: 83, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4278, independent: 3775, independent conditional: 74, independent unconditional: 3701, dependent: 503, dependent conditional: 291, dependent unconditional: 212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4278, independent: 3775, independent conditional: 74, independent unconditional: 3701, dependent: 503, dependent conditional: 92, dependent unconditional: 411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4278, independent: 3775, independent conditional: 74, independent unconditional: 3701, dependent: 503, dependent conditional: 92, dependent unconditional: 411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1112, independent: 1020, independent conditional: 18, independent unconditional: 1002, dependent: 92, dependent conditional: 34, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1112, independent: 999, independent conditional: 0, independent unconditional: 999, dependent: 113, dependent conditional: 0, dependent unconditional: 113, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 113, independent: 21, independent conditional: 18, independent unconditional: 3, dependent: 92, dependent conditional: 34, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, independent: 21, independent conditional: 18, independent unconditional: 3, dependent: 92, dependent conditional: 34, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 756, independent: 128, independent conditional: 99, independent unconditional: 29, dependent: 628, dependent conditional: 256, dependent unconditional: 372, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4278, independent: 2755, independent conditional: 56, independent unconditional: 2699, dependent: 411, dependent conditional: 58, dependent unconditional: 353, unknown: 1112, unknown conditional: 52, unknown unconditional: 1060] , Statistics on independence cache: Total cache size (in pairs): 1112, Positive cache size: 1020, Positive conditional cache size: 18, Positive unconditional cache size: 1002, Negative cache size: 92, Negative conditional cache size: 34, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 199, Maximal queried relation: 8, Independence queries for same thread: 95 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 120 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, 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: 3, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 158 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 120 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 12.1s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 3.2s, 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: 112, 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: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 759 NumberOfCodeBlocks, 759 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 749 ConstructedInterpolants, 0 QuantifiedInterpolants, 5928 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-15 22:35:21,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-11-15 22:35:21,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-11-15 22:35:21,657 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...