/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-wrwc.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 10:20:09,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 10:20:09,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 10:20:09,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 10:20:09,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 10:20:09,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 10:20:09,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 10:20:09,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 10:20:09,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 10:20:09,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 10:20:09,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 10:20:09,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 10:20:09,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 10:20:09,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 10:20:09,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 10:20:09,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 10:20:09,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 10:20:09,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 10:20:09,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 10:20:09,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 10:20:09,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 10:20:09,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 10:20:09,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 10:20:09,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 10:20:09,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-19 10:20:09,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-19 10:20:09,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-19 10:20:09,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-19 10:20:09,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-19 10:20:09,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-19 10:20:09,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 10:20:09,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 10:20:09,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 10:20:09,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 10:20:09,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 10:20:09,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 10:20:09,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 10:20:09,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 10:20:09,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 10:20:09,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 10:20:09,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 10:20:09,364 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-wrwc.epf [2022-02-19 10:20:09,382 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 10:20:09,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 10:20:09,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 10:20:09,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 10:20:09,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 10:20:09,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 10:20:09,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 10:20:09,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 10:20:09,384 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 10:20:09,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 10:20:09,385 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 10:20:09,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 10:20:09,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 10:20:09,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 10:20:09,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 10:20:09,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 10:20:09,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 10:20:09,385 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 10:20:09,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 10:20:09,386 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 10:20:09,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 10:20:09,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 10:20:09,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 10:20:09,386 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 10:20:09,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 10:20:09,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 10:20:09,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 10:20:09,386 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 10:20:09,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 10:20:09,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 10:20:09,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 10:20:09,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 10:20:09,387 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 10:20:09,387 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 10:20:09,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 10:20:09,387 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 10:20:09,387 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 10:20:09,387 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 10:20:09,387 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 10:20:09,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 10:20:09,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 10:20:09,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 10:20:09,611 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 10:20:09,611 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 10:20:09,612 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl [2022-02-19 10:20:09,612 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl' [2022-02-19 10:20:09,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 10:20:09,628 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 10:20:09,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 10:20:09,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 10:20:09,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 10:20:09,637 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 10:20:09" (1/1) ... [2022-02-19 10:20:09,640 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 10:20:09" (1/1) ... [2022-02-19 10:20:09,644 INFO L137 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 10:20:09,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 10:20:09,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 10:20:09,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 10:20:09,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 10:20:09,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:09" (1/1) ... [2022-02-19 10:20:09,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:09" (1/1) ... [2022-02-19 10:20:09,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:09" (1/1) ... [2022-02-19 10:20:09,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:09" (1/1) ... [2022-02-19 10:20:09,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:09" (1/1) ... [2022-02-19 10:20:09,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:09" (1/1) ... [2022-02-19 10:20:09,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:09" (1/1) ... [2022-02-19 10:20:09,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 10:20:09,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 10:20:09,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 10:20:09,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 10:20:09,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:09" (1/1) ... [2022-02-19 10:20:09,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 10:20:09,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 10:20:09,678 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 10:20:09,692 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 10:20:09,710 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2022-02-19 10:20:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-02-19 10:20:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-02-19 10:20:09,710 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 10:20:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 10:20:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 10:20:09,711 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 10:20:09,727 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 10:20:09,728 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 10:20:09,792 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 10:20:09,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 10:20:09,796 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 10:20:09,797 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:20:09 BoogieIcfgContainer [2022-02-19 10:20:09,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 10:20:09,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 10:20:09,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 10:20:09,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 10:20:09,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 10:20:09" (1/2) ... [2022-02-19 10:20:09,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a59cfc and model type ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 10:20:09, skipping insertion in model container [2022-02-19 10:20:09,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 10:20:09" (2/2) ... [2022-02-19 10:20:09,803 INFO L111 eAbstractionObserver]: Analyzing ICFG ThyssenKruppRelegation.bpl [2022-02-19 10:20:09,806 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 10:20:09,806 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 10:20:09,806 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 10:20:09,806 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 10:20:09,823 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-19 10:20:09,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 10:20:09,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 10:20:09,868 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 10:20:09,887 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 10:20:09,895 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 10:20:09,904 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=false [2022-02-19 10:20:09,905 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-19 10:20:09,937 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3 transitions and produced 4 states. [2022-02-19 10:20:09,939 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 10:20:09,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 10:20:09,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1403, now seen corresponding path program 1 times [2022-02-19 10:20:09,954 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 10:20:09,954 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829386209] [2022-02-19 10:20:09,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 10:20:09,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 10:20:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 10:20:10,021 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-19 10:20:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-19 10:20:10,037 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-19 10:20:10,038 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-19 10:20:10,039 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining) [2022-02-19 10:20:10,040 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-19 10:20:10,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 10:20:10,046 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-19 10:20:10,049 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 10:20:10,049 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 10:20:10,054 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 10:20:10 BasicIcfg [2022-02-19 10:20:10,054 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 10:20:10,055 INFO L158 Benchmark]: Toolchain (without parser) took 426.55ms. Allocated memory is still 173.0MB. Free memory was 137.7MB in the beginning and 148.7MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 10:20:10,056 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.29ms. Allocated memory is still 173.0MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 10:20:10,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.38ms. Allocated memory is still 173.0MB. Free memory was 137.6MB in the beginning and 136.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 10:20:10,060 INFO L158 Benchmark]: Boogie Preprocessor took 7.79ms. Allocated memory is still 173.0MB. Free memory was 136.1MB in the beginning and 135.3MB in the end (delta: 825.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 10:20:10,060 INFO L158 Benchmark]: RCFGBuilder took 143.11ms. Allocated memory is still 173.0MB. Free memory was 135.2MB in the beginning and 127.6MB in the end (delta: 7.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-02-19 10:20:10,060 INFO L158 Benchmark]: TraceAbstraction took 255.01ms. Allocated memory is still 173.0MB. Free memory was 127.1MB in the beginning and 148.7MB in the end (delta: -21.6MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 10:20:10,064 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 0.29ms. Allocated memory is still 173.0MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 16.38ms. Allocated memory is still 173.0MB. Free memory was 137.6MB in the beginning and 136.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 7.79ms. Allocated memory is still 173.0MB. Free memory was 136.1MB in the beginning and 135.3MB in the end (delta: 825.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 143.11ms. Allocated memory is still 173.0MB. Free memory was 135.2MB in the beginning and 127.6MB in the end (delta: 7.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 255.01ms. Allocated memory is still 173.0MB. Free memory was 127.1MB in the beginning and 148.7MB in the end (delta: -21.6MB). 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 10:20:10,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-19 10:20:10,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...