/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-c7b2d19 [2022-03-16 10:23:53,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 10:23:53,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 10:23:53,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 10:23:53,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 10:23:53,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 10:23:53,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 10:23:53,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 10:23:53,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 10:23:53,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 10:23:53,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 10:23:53,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 10:23:53,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 10:23:53,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 10:23:53,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 10:23:53,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 10:23:53,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 10:23:53,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 10:23:53,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 10:23:53,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 10:23:53,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 10:23:53,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 10:23:53,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 10:23:53,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 10:23:53,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-16 10:23:53,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-16 10:23:53,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-16 10:23:53,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-16 10:23:53,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-16 10:23:53,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-16 10:23:53,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 10:23:53,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 10:23:53,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 10:23:53,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 10:23:53,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 10:23:53,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 10:23:53,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 10:23:53,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 10:23:53,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 10:23:53,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 10:23:53,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 10:23:53,603 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 [2022-03-16 10:23:53,616 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 10:23:53,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 10:23:53,616 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 10:23:53,616 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 10:23:53,617 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 10:23:53,617 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 10:23:53,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 10:23:53,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 10:23:53,617 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 10:23:53,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 10:23:53,618 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 10:23:53,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 10:23:53,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 10:23:53,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 10:23:53,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 10:23:53,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 10:23:53,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 10:23:53,618 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 10:23:53,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 10:23:53,618 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 10:23:53,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 10:23:53,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 10:23:53,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 10:23:53,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 10:23:53,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 10:23:53,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 10:23:53,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 10:23:53,619 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 10:23:53,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 10:23:53,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 10:23:53,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 10:23:53,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 10:23:53,620 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 10:23:53,620 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 10:23:53,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 10:23:53,620 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 10:23:53,620 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 10:23:53,620 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 10:23:53,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 10:23:53,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 10:23:53,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 10:23:53,848 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 10:23:53,849 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 10:23:53,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl [2022-03-16 10:23:53,850 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl' [2022-03-16 10:23:53,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 10:23:53,864 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 10:23:53,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 10:23:53,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 10:23:53,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 10:23:53,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:23:53" (1/1) ... [2022-03-16 10:23:53,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:23:53" (1/1) ... [2022-03-16 10:23:53,880 INFO L137 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 10:23:53,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 10:23:53,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 10:23:53,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 10:23:53,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 10:23:53,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:23:53" (1/1) ... [2022-03-16 10:23:53,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:23:53" (1/1) ... [2022-03-16 10:23:53,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:23:53" (1/1) ... [2022-03-16 10:23:53,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:23:53" (1/1) ... [2022-03-16 10:23:53,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:23:53" (1/1) ... [2022-03-16 10:23:53,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:23:53" (1/1) ... [2022-03-16 10:23:53,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:23:53" (1/1) ... [2022-03-16 10:23:53,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 10:23:53,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 10:23:53,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 10:23:53,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 10:23:53,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:23:53" (1/1) ... [2022-03-16 10:23:53,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 10:23:53,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:23:53,928 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) [2022-03-16 10:23:53,936 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 [2022-03-16 10:23:53,962 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2022-03-16 10:23:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-03-16 10:23:53,962 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-03-16 10:23:53,962 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 10:23:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 10:23:53,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 10:23:53,963 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 10:23:53,980 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 10:23:53,981 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 10:23:54,021 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 10:23:54,025 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 10:23:54,025 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 10:23:54,027 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:23:54 BoogieIcfgContainer [2022-03-16 10:23:54,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 10:23:54,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 10:23:54,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 10:23:54,030 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 10:23:54,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:23:53" (1/2) ... [2022-03-16 10:23:54,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38f80e99 and model type ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:23:54, skipping insertion in model container [2022-03-16 10:23:54,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:23:54" (2/2) ... [2022-03-16 10:23:54,032 INFO L111 eAbstractionObserver]: Analyzing ICFG ThyssenKruppRelegation.bpl [2022-03-16 10:23:54,038 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 10:23:54,039 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 10:23:54,043 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 10:23:54,043 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 10:23:54,065 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-16 10:23:54,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 10:23:54,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 10:23:54,095 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) [2022-03-16 10:23:54,096 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 [2022-03-16 10:23:54,121 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 10:23:54,134 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 [2022-03-16 10:23:54,134 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-16 10:23:54,169 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3 transitions and produced 4 states. [2022-03-16 10:23:54,170 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-16 10:23:54,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 10:23:54,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1403, now seen corresponding path program 1 times [2022-03-16 10:23:54,191 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 10:23:54,191 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841217928] [2022-03-16 10:23:54,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 10:23:54,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 10:23:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 10:23:54,243 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-16 10:23:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 10:23:54,261 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-16 10:23:54,262 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-16 10:23:54,263 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining) [2022-03-16 10:23:54,264 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-03-16 10:23:54,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 10:23:54,272 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-03-16 10:23:54,275 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 10:23:54,275 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 10:23:54,280 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 10:23:54 BasicIcfg [2022-03-16 10:23:54,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 10:23:54,282 INFO L158 Benchmark]: Toolchain (without parser) took 417.28ms. Allocated memory is still 184.5MB. Free memory was 148.7MB in the beginning and 122.2MB in the end (delta: 26.4MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-03-16 10:23:54,283 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 184.5MB. Free memory was 149.6MB in the beginning and 149.5MB in the end (delta: 143.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 10:23:54,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.98ms. Allocated memory is still 184.5MB. Free memory was 148.7MB in the beginning and 147.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 10:23:54,287 INFO L158 Benchmark]: Boogie Preprocessor took 9.71ms. Allocated memory is still 184.5MB. Free memory was 147.1MB in the beginning and 146.3MB in the end (delta: 790.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 10:23:54,287 INFO L158 Benchmark]: RCFGBuilder took 134.18ms. Allocated memory is still 184.5MB. Free memory was 146.3MB in the beginning and 139.1MB in the end (delta: 7.1MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-03-16 10:23:54,288 INFO L158 Benchmark]: TraceAbstraction took 252.84ms. Allocated memory is still 184.5MB. Free memory was 138.6MB in the beginning and 122.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-03-16 10:23:54,293 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 0.10ms. Allocated memory is still 184.5MB. Free memory was 149.6MB in the beginning and 149.5MB in the end (delta: 143.6kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 16.98ms. Allocated memory is still 184.5MB. Free memory was 148.7MB in the beginning and 147.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 9.71ms. Allocated memory is still 184.5MB. Free memory was 147.1MB in the beginning and 146.3MB in the end (delta: 790.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 134.18ms. Allocated memory is still 184.5MB. Free memory was 146.3MB in the beginning and 139.1MB in the end (delta: 7.1MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 252.84ms. Allocated memory is still 184.5MB. Free memory was 138.6MB in the beginning and 122.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. 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! [2022-03-16 10:23:54,322 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 [2022-03-16 10:23:54,522 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...