/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk28/bench-exp2x3.wvr.line303.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 19:55:02,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-24 19:55:02,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-24 19:55:02,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-24 19:55:02,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-24 19:55:02,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-24 19:55:02,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-24 19:55:02,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-24 19:55:02,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-24 19:55:02,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-24 19:55:02,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-24 19:55:02,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-24 19:55:02,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-24 19:55:02,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-24 19:55:02,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-24 19:55:02,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-24 19:55:02,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-24 19:55:02,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-24 19:55:02,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-24 19:55:02,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-24 19:55:02,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-24 19:55:02,271 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 19:55:02,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 19:55:02,272 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 19:55:02,272 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 19:55:02,273 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 19:55:02,273 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 19:55:02,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 19:55:02,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 19:55:02,275 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 19:55:02,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 19:55:02,275 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 19:55:02,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 19:55:02,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 19:55:02,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 19:55:02,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 19:55:02,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 19:55:02,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 19:55:02,276 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 19:55:02,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 19:55:02,276 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 19:55:02,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 19:55:02,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 19:55:02,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 19:55:02,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 19:55:02,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 19:55:02,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 19:55:02,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 19:55:02,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 19:55:02,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 19:55:02,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 19:55:02,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 19:55:02,278 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 19:55:02,278 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-24 19:55:02,278 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 19:55:02,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 19:55:02,278 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-24 19:55:02,278 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 19:55:02,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-24 19:55:02,279 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-24 19:55:02,279 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 19:55:02,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 19:55:02,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 19:55:02,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 19:55:02,551 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 19:55:02,553 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 19:55:02,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk28/bench-exp2x3.wvr.line303.bpl [2022-10-24 19:55:02,555 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk28/bench-exp2x3.wvr.line303.bpl' [2022-10-24 19:55:02,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 19:55:02,632 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 19:55:02,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 19:55:02,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 19:55:02,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 19:55:02,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bench-exp2x3.wvr.line303.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:55:02" (1/1) ... [2022-10-24 19:55:02,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bench-exp2x3.wvr.line303.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:55:02" (1/1) ... [2022-10-24 19:55:02,671 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 19:55:02,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 19:55:02,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 19:55:02,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 19:55:02,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 19:55:02,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bench-exp2x3.wvr.line303.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:55:02" (1/1) ... [2022-10-24 19:55:02,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bench-exp2x3.wvr.line303.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:55:02" (1/1) ... [2022-10-24 19:55:02,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bench-exp2x3.wvr.line303.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:55:02" (1/1) ... [2022-10-24 19:55:02,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bench-exp2x3.wvr.line303.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:55:02" (1/1) ... [2022-10-24 19:55:02,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bench-exp2x3.wvr.line303.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:55:02" (1/1) ... [2022-10-24 19:55:02,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bench-exp2x3.wvr.line303.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:55:02" (1/1) ... [2022-10-24 19:55:02,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bench-exp2x3.wvr.line303.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:55:02" (1/1) ... [2022-10-24 19:55:02,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 19:55:02,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 19:55:02,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 19:55:02,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 19:55:02,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bench-exp2x3.wvr.line303.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:55:02" (1/1) ... [2022-10-24 19:55:02,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 19:55:02,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 19:55:02,766 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) [2022-10-24 19:55:02,790 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 [2022-10-24 19:55:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-24 19:55:02,845 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-24 19:55:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-24 19:55:02,846 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-24 19:55:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 19:55:02,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 19:55:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-24 19:55:02,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-24 19:55:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-10-24 19:55:02,847 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-10-24 19:55:02,848 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-24 19:55:02,910 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 19:55:02,912 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 19:55:03,186 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 19:55:03,195 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 19:55:03,195 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-24 19:55:03,197 INFO L202 PluginConnector]: Adding new model bench-exp2x3.wvr.line303.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:55:03 BoogieIcfgContainer [2022-10-24 19:55:03,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 19:55:03,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 19:55:03,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 19:55:03,201 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 19:55:03,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bench-exp2x3.wvr.line303.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 07:55:02" (1/2) ... [2022-10-24 19:55:03,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32760707 and model type bench-exp2x3.wvr.line303.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:55:03, skipping insertion in model container [2022-10-24 19:55:03,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bench-exp2x3.wvr.line303.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:55:03" (2/2) ... [2022-10-24 19:55:03,202 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x3.wvr.line303.bpl [2022-10-24 19:55:03,207 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 19:55:03,213 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 19:55:03,213 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 19:55:03,213 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 19:55:03,306 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-10-24 19:55:03,354 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 19:55:03,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 19:55:03,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 19:55:03,364 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) [2022-10-24 19:55:03,365 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 [2022-10-24 19:55:03,383 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 19:55:03,396 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-24 19:55:03,396 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-24 19:55:03,396 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-24 19:55:03,401 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 19:55:03,406 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;@30283ccc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 19:55:03,406 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 19:55:03,820 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 19:55:03,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 19:55:03,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1343298880, now seen corresponding path program 1 times [2022-10-24 19:55:03,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 19:55:03,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538753250] [2022-10-24 19:55:03,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 19:55:03,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 19:55:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 19:55:04,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 19:55:04,052 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 19:55:04,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538753250] [2022-10-24 19:55:04,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538753250] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 19:55:04,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 19:55:04,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-24 19:55:04,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992672151] [2022-10-24 19:55:04,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 19:55:04,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-24 19:55:04,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 19:55:04,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-24 19:55:04,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-24 19:55:04,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:55:04,107 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 19:55:04,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 77.5) internal successors, (155), 2 states have internal predecessors, (155), 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) [2022-10-24 19:55:04,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:55:04,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:55:04,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-24 19:55:04,177 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 19:55:04,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 19:55:04,179 INFO L85 PathProgramCache]: Analyzing trace with hash -89632660, now seen corresponding path program 1 times [2022-10-24 19:55:04,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 19:55:04,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666851039] [2022-10-24 19:55:04,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 19:55:04,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 19:55:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 19:55:04,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 19:55:04,368 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 19:55:04,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666851039] [2022-10-24 19:55:04,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666851039] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 19:55:04,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 19:55:04,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-24 19:55:04,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671036392] [2022-10-24 19:55:04,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 19:55:04,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-24 19:55:04,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 19:55:04,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-24 19:55:04,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-24 19:55:04,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:55:04,371 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 19:55:04,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 30.8) internal successors, (154), 6 states have internal predecessors, (154), 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) [2022-10-24 19:55:04,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:55:04,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:55:05,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 19:55:05,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-24 19:55:05,172 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-24 19:55:05,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-24 19:55:05,187 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-10-24 19:55:05,188 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was SAFE (1/5) [2022-10-24 19:55:05,192 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 19:55:05,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 19:55:05,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 19:55:05,203 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) [2022-10-24 19:55:05,236 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 [2022-10-24 19:55:05,238 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 19:55:05,239 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-24 19:55:05,239 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-24 19:55:05,239 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-24 19:55:05,239 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-24 19:55:05,240 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;@30283ccc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 19:55:05,240 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 19:55:05,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-24 19:55:05,261 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 19:55:05,261 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/5) [2022-10-24 19:55:05,264 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 19:55:05,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 19:55:05,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 19:55:05,272 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-24 19:55:05,292 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 19:55:05,293 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-24 19:55:05,293 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-24 19:55:05,293 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-24 19:55:05,293 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-24 19:55:05,294 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;@30283ccc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 19:55:05,294 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 19:55:05,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-10-24 19:55:05,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-24 19:55:05,569 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 19:55:05,570 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/5) [2022-10-24 19:55:05,576 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 19:55:05,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 19:55:05,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 19:55:05,583 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-24 19:55:05,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-10-24 19:55:05,590 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 19:55:05,590 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-24 19:55:05,590 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-24 19:55:05,591 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-24 19:55:05,591 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-24 19:55:05,591 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;@30283ccc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 19:55:05,591 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 19:55:05,625 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-24 19:55:05,626 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 19:55:05,626 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (4/5) [2022-10-24 19:55:05,628 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 19:55:05,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 19:55:05,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 19:55:05,644 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-24 19:55:05,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-10-24 19:55:05,647 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 19:55:05,648 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-24 19:55:05,648 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-24 19:55:05,648 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-24 19:55:05,648 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-24 19:55:05,648 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;@30283ccc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 19:55:05,649 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 19:55:05,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-24 19:55:05,710 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 19:55:05,710 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (5/5) [2022-10-24 19:55:05,710 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-24 19:55:05,710 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-24 19:55:05,714 INFO L202 PluginConnector]: Adding new model bench-exp2x3.wvr.line303.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:55:05 BasicIcfg [2022-10-24 19:55:05,714 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-24 19:55:05,715 INFO L158 Benchmark]: Toolchain (without parser) took 3082.68ms. Allocated memory was 180.4MB in the beginning and 248.5MB in the end (delta: 68.2MB). Free memory was 158.3MB in the beginning and 112.7MB in the end (delta: 45.6MB). Peak memory consumption was 114.8MB. Max. memory is 8.0GB. [2022-10-24 19:55:05,715 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.72ms. Allocated memory is still 180.4MB. Free memory was 160.4MB in the beginning and 160.4MB in the end (delta: 66.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-24 19:55:05,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.41ms. Allocated memory is still 180.4MB. Free memory was 158.1MB in the beginning and 156.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-24 19:55:05,715 INFO L158 Benchmark]: Boogie Preprocessor took 55.60ms. Allocated memory is still 180.4MB. Free memory was 156.6MB in the beginning and 155.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-24 19:55:05,715 INFO L158 Benchmark]: RCFGBuilder took 467.65ms. Allocated memory is still 180.4MB. Free memory was 154.8MB in the beginning and 136.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-10-24 19:55:05,716 INFO L158 Benchmark]: TraceAbstraction took 2515.73ms. Allocated memory was 180.4MB in the beginning and 248.5MB in the end (delta: 68.2MB). Free memory was 135.3MB in the beginning and 112.7MB in the end (delta: 22.5MB). Peak memory consumption was 91.7MB. Max. memory is 8.0GB. [2022-10-24 19:55:05,716 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.72ms. Allocated memory is still 180.4MB. Free memory was 160.4MB in the beginning and 160.4MB in the end (delta: 66.6kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.41ms. Allocated memory is still 180.4MB. Free memory was 158.1MB in the beginning and 156.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 55.60ms. Allocated memory is still 180.4MB. Free memory was 156.6MB in the beginning and 155.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 467.65ms. Allocated memory is still 180.4MB. Free memory was 154.8MB in the beginning and 136.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 2515.73ms. Allocated memory was 180.4MB in the beginning and 248.5MB in the end (delta: 68.2MB). Free memory was 135.3MB in the beginning and 112.7MB in the end (delta: 22.5MB). Peak memory consumption was 91.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 6340, positive: 5061, positive conditional: 5061, positive unconditional: 0, negative: 1279, negative conditional: 1279, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 123887, positive: 105549, positive conditional: 105549, positive unconditional: 0, negative: 18338, negative conditional: 18338, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 105549, positive: 105549, positive conditional: 0, positive unconditional: 105549, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1002, positive: 1002, positive conditional: 0, positive unconditional: 1002, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 105549, positive: 104547, positive conditional: 0, positive unconditional: 104547, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1002, unknown conditional: 0, unknown unconditional: 1002] , Statistics on independence cache: Total cache size (in pairs): 635, Positive cache size: 635, Positive conditional cache size: 0, Positive unconditional cache size: 635, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 1279, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 7077, positive: 5404, positive conditional: 5404, positive unconditional: 0, negative: 1673, negative conditional: 1673, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 123887, positive: 105549, positive conditional: 105549, positive unconditional: 0, negative: 18338, negative conditional: 18338, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 105549, positive: 105549, positive conditional: 0, positive unconditional: 105549, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1002, positive: 1002, positive conditional: 0, positive unconditional: 1002, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 105549, positive: 104547, positive conditional: 0, positive unconditional: 104547, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1002, unknown conditional: 0, unknown unconditional: 1002] , Statistics on independence cache: Total cache size (in pairs): 635, Positive cache size: 635, Positive conditional cache size: 0, Positive unconditional cache size: 635, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 2952, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 110470, positive: 95084, positive conditional: 95084, positive unconditional: 0, negative: 15386, negative conditional: 15386, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 123887, positive: 105549, positive conditional: 105549, positive unconditional: 0, negative: 18338, negative conditional: 18338, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 105549, positive: 105549, positive conditional: 0, positive unconditional: 105549, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1002, positive: 1002, positive conditional: 0, positive unconditional: 1002, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 105549, positive: 104547, positive conditional: 0, positive unconditional: 104547, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1002, unknown conditional: 0, unknown unconditional: 1002] , Statistics on independence cache: Total cache size (in pairs): 1002, Positive cache size: 1002, Positive conditional cache size: 0, Positive unconditional cache size: 1002, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 18338, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2146, positive: 1556, positive conditional: 1556, positive unconditional: 0, negative: 590, negative conditional: 590, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1556, positive: 1556, positive conditional: 1556, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1556, positive: 1556, positive conditional: 1556, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1556, positive: 1556, positive conditional: 0, positive unconditional: 1556, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1556, positive: 1556, positive conditional: 0, positive unconditional: 1556, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1556, positive: 1556, positive conditional: 0, positive unconditional: 1556, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 348, positive: 348, positive conditional: 0, positive unconditional: 348, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 348, positive: 348, positive conditional: 0, positive unconditional: 348, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1556, positive: 1208, positive conditional: 0, positive unconditional: 1208, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 348, unknown conditional: 0, unknown unconditional: 348] , Statistics on independence cache: Total cache size (in pairs): 348, Positive cache size: 348, Positive conditional cache size: 0, Positive unconditional cache size: 348, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 590 - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 33659, positive: 27711, positive conditional: 27711, positive unconditional: 0, negative: 5948, negative conditional: 5948, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 33659, positive: 27711, positive conditional: 27711, positive unconditional: 0, negative: 5948, negative conditional: 5948, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27711, positive: 27711, positive conditional: 0, positive unconditional: 27711, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 576, positive: 576, positive conditional: 0, positive unconditional: 576, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27711, positive: 27135, positive conditional: 0, positive unconditional: 27135, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 576, unknown conditional: 0, unknown unconditional: 576] , Statistics on independence cache: Total cache size (in pairs): 576, Positive cache size: 576, Positive conditional cache size: 0, Positive unconditional cache size: 576, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 5948, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 372, positive: 220, positive conditional: 220, positive unconditional: 0, negative: 152, negative conditional: 152, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 372, positive: 220, positive conditional: 220, positive unconditional: 0, negative: 152, negative conditional: 152, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 220, positive: 220, positive conditional: 0, positive unconditional: 220, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 220, positive: 144, positive conditional: 0, positive unconditional: 144, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 152, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 4392, positive: 3292, positive conditional: 3292, positive unconditional: 0, negative: 1100, negative conditional: 1100, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4392, positive: 3292, positive conditional: 3292, positive unconditional: 0, negative: 1100, negative conditional: 1100, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3292, positive: 3292, positive conditional: 0, positive unconditional: 3292, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 270, positive: 270, positive conditional: 0, positive unconditional: 270, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3292, positive: 3022, positive conditional: 0, positive unconditional: 3022, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 270, unknown conditional: 0, unknown unconditional: 270] , Statistics on independence cache: Total cache size (in pairs): 270, Positive cache size: 270, Positive conditional cache size: 0, Positive unconditional cache size: 270, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 1100, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - PositiveResult [Line: 303]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 9 procedures, 279 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.2s InterpolantComputationTime, 309 NumberOfCodeBlocks, 309 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 307 ConstructedInterpolants, 0 QuantifiedInterpolants, 517 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 9 procedures, 279 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 9 procedures, 279 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 9 procedures, 279 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 9 procedures, 279 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, 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: 0, 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-24 19:55:05,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Forceful destruction successful, exit code 0 [2022-10-24 19:55:05,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2022-10-24 19:55:06,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2022-10-24 19:55:06,359 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 [2022-10-24 19:55:06,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-10-24 19:55:06,760 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...