/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 15:15:47,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 15:15:47,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 15:15:47,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 15:15:47,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 15:15:47,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 15:15:47,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 15:15:47,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 15:15:47,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 15:15:47,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 15:15:47,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 15:15:47,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 15:15:47,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 15:15:47,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 15:15:47,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 15:15:47,589 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 15:15:47,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 15:15:47,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 15:15:47,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 15:15:47,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 15:15:47,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 15:15:47,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 15:15:47,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 15:15:47,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 15:15:47,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 15:15:47,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 15:15:47,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 15:15:47,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 15:15:47,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 15:15:47,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 15:15:47,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 15:15:47,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 15:15:47,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 15:15:47,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 15:15:47,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 15:15:47,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 15:15:47,603 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-02-19 15:15:47,615 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 15:15:47,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 15:15:47,616 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 15:15:47,616 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 15:15:47,616 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 15:15:47,616 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 15:15:47,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 15:15:47,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 15:15:47,617 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 15:15:47,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 15:15:47,617 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 15:15:47,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 15:15:47,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 15:15:47,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 15:15:47,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 15:15:47,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 15:15:47,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 15:15:47,618 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 15:15:47,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 15:15:47,618 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 15:15:47,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 15:15:47,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 15:15:47,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 15:15:47,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 15:15:47,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 15:15:47,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 15:15:47,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 15:15:47,619 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 15:15:47,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 15:15:47,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 15:15:47,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 15:15:47,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 15:15:47,619 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 15:15:47,619 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 15:15:47,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 15:15:47,620 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 15:15:47,620 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 15:15:47,620 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 15:15:47,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 15:15:47,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 15:15:47,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 15:15:47,786 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 15:15:47,787 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 15:15:47,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl [2022-02-19 15:15:47,788 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl' [2022-02-19 15:15:47,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 15:15:47,801 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 15:15:47,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 15:15:47,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 15:15:47,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 15:15:47,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:15:47" (1/1) ... [2022-02-19 15:15:47,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:15:47" (1/1) ... [2022-02-19 15:15:47,817 INFO L137 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 15:15:47,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 15:15:47,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 15:15:47,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 15:15:47,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 15:15:47,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:15:47" (1/1) ... [2022-02-19 15:15:47,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:15:47" (1/1) ... [2022-02-19 15:15:47,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:15:47" (1/1) ... [2022-02-19 15:15:47,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:15:47" (1/1) ... [2022-02-19 15:15:47,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:15:47" (1/1) ... [2022-02-19 15:15:47,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:15:47" (1/1) ... [2022-02-19 15:15:47,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:15:47" (1/1) ... [2022-02-19 15:15:47,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 15:15:47,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 15:15:47,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 15:15:47,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 15:15:47,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:15:47" (1/1) ... [2022-02-19 15:15:47,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 15:15:47,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:15:47,900 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) [2022-02-19 15:15:47,924 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 [2022-02-19 15:15:47,943 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2022-02-19 15:15:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-02-19 15:15:47,944 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-02-19 15:15:47,944 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 15:15:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 15:15:47,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 15:15:47,945 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 15:15:47,969 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 15:15:47,970 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 15:15:48,022 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 15:15:48,030 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 15:15:48,031 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 15:15:48,033 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:15:48 BoogieIcfgContainer [2022-02-19 15:15:48,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 15:15:48,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 15:15:48,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 15:15:48,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 15:15:48,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:15:47" (1/2) ... [2022-02-19 15:15:48,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c6dd08 and model type ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 03:15:48, skipping insertion in model container [2022-02-19 15:15:48,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:15:48" (2/2) ... [2022-02-19 15:15:48,044 INFO L111 eAbstractionObserver]: Analyzing ICFG ThyssenKruppRelegation.bpl [2022-02-19 15:15:48,052 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 15:15:48,053 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 15:15:48,053 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 15:15:48,053 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 15:15:48,069 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-19 15:15:48,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 15:15:48,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:15:48,115 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) [2022-02-19 15:15:48,116 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 [2022-02-19 15:15:48,143 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 15:15:48,147 INFO L339 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, mLazyFiniteAutomaton=true, 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, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-02-19 15:15:48,148 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-19 15:15:48,176 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3 transitions and produced 4 states. [2022-02-19 15:15:48,177 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 15:15:48,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:15:48,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1403, now seen corresponding path program 1 times [2022-02-19 15:15:48,189 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:15:48,189 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144992574] [2022-02-19 15:15:48,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:15:48,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:15:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 15:15:48,265 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-19 15:15:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 15:15:48,280 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-19 15:15:48,281 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-19 15:15:48,282 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining) [2022-02-19 15:15:48,284 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-19 15:15:48,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 15:15:48,290 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-19 15:15:48,293 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 15:15:48,293 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 15:15:48,298 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 03:15:48 BasicIcfg [2022-02-19 15:15:48,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 15:15:48,299 INFO L158 Benchmark]: Toolchain (without parser) took 497.61ms. Allocated memory was 183.5MB in the beginning and 306.2MB in the end (delta: 122.7MB). Free memory was 141.7MB in the beginning and 277.1MB in the end (delta: -135.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 15:15:48,299 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 142.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 15:15:48,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.53ms. Allocated memory is still 183.5MB. Free memory was 141.6MB in the beginning and 140.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 15:15:48,300 INFO L158 Benchmark]: Boogie Preprocessor took 9.43ms. Allocated memory is still 183.5MB. Free memory was 140.1MB in the beginning and 139.3MB in the end (delta: 801.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 15:15:48,300 INFO L158 Benchmark]: RCFGBuilder took 191.34ms. Allocated memory is still 183.5MB. Free memory was 139.3MB in the beginning and 132.2MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-02-19 15:15:48,301 INFO L158 Benchmark]: TraceAbstraction took 259.44ms. Allocated memory was 183.5MB in the beginning and 306.2MB in the end (delta: 122.7MB). Free memory was 131.7MB in the beginning and 277.1MB in the end (delta: -145.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 15:15:48,302 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 0.09ms. Allocated memory is still 183.5MB. Free memory is still 142.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 16.53ms. Allocated memory is still 183.5MB. Free memory was 141.6MB in the beginning and 140.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 9.43ms. Allocated memory is still 183.5MB. Free memory was 140.1MB in the beginning and 139.3MB in the end (delta: 801.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 191.34ms. Allocated memory is still 183.5MB. Free memory was 139.3MB in the beginning and 132.2MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * TraceAbstraction took 259.44ms. Allocated memory was 183.5MB in the beginning and 306.2MB in the end (delta: 122.7MB). Free memory was 131.7MB in the beginning and 277.1MB in the end (delta: -145.4MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation 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: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 16]: assertion can be violated assertion can be violated We found a FailurePath: [L15] FORK 0 fork 1 foo(); [L16] 0 assert false; - UnprovableResult [Line: 13]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 11 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate proved your program to be incorrect! [2022-02-19 15:15:48,327 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 [2022-02-19 15:15:48,540 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...