/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-c7b2d19 [2022-03-16 05:45:54,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 05:45:54,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 05:45:54,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 05:45:54,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 05:45:54,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 05:45:54,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 05:45:54,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 05:45:54,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 05:45:54,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 05:45:54,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 05:45:54,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 05:45:54,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 05:45:54,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 05:45:54,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 05:45:54,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 05:45:54,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 05:45:54,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 05:45:54,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 05:45:54,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 05:45:54,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 05:45:54,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 05:45:54,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 05:45:54,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 05:45:54,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-16 05:45:54,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-16 05:45:54,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-16 05:45:54,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-16 05:45:54,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-16 05:45:54,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-16 05:45:54,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 05:45:54,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 05:45:54,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 05:45:54,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 05:45:54,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 05:45:54,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 05:45:54,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 05:45:54,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 05:45:54,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 05:45:54,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 05:45:54,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 05:45:54,264 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 [2022-03-16 05:45:54,292 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 05:45:54,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 05:45:54,292 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 05:45:54,292 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 05:45:54,293 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 05:45:54,293 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 05:45:54,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 05:45:54,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 05:45:54,294 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 05:45:54,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 05:45:54,294 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 05:45:54,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 05:45:54,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 05:45:54,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 05:45:54,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 05:45:54,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 05:45:54,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 05:45:54,295 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 05:45:54,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 05:45:54,295 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 05:45:54,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 05:45:54,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 05:45:54,296 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 05:45:54,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 05:45:54,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 05:45:54,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 05:45:54,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 05:45:54,296 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 05:45:54,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 05:45:54,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 05:45:54,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 05:45:54,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 05:45:54,297 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 05:45:54,297 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 05:45:54,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 05:45:54,297 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 05:45:54,297 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-16 05:45:54,297 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 05:45:54,297 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 05:45:54,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 05:45:54,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 05:45:54,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 05:45:54,525 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 05:45:54,527 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 05:45:54,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl [2022-03-16 05:45:54,528 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl' [2022-03-16 05:45:54,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 05:45:54,543 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 05:45:54,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 05:45:54,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 05:45:54,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 05:45:54,554 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 05:45:54" (1/1) ... [2022-03-16 05:45:54,558 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 05:45:54" (1/1) ... [2022-03-16 05:45:54,562 INFO L137 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 05:45:54,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 05:45:54,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 05:45:54,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 05:45:54,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 05:45:54,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 05:45:54" (1/1) ... [2022-03-16 05:45:54,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 05:45:54" (1/1) ... [2022-03-16 05:45:54,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 05:45:54" (1/1) ... [2022-03-16 05:45:54,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 05:45:54" (1/1) ... [2022-03-16 05:45:54,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 05:45:54" (1/1) ... [2022-03-16 05:45:54,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 05:45:54" (1/1) ... [2022-03-16 05:45:54,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 05:45:54" (1/1) ... [2022-03-16 05:45:54,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 05:45:54,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 05:45:54,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 05:45:54,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 05:45:54,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 05:45:54" (1/1) ... [2022-03-16 05:45:54,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 05:45:54,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 05:45:54,604 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 05:45:54,606 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 05:45:54,635 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2022-03-16 05:45:54,635 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-03-16 05:45:54,635 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-03-16 05:45:54,636 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 05:45:54,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 05:45:54,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 05:45:54,636 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 05:45:54,654 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 05:45:54,655 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 05:45:54,685 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 05:45:54,690 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 05:45:54,690 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 05:45:54,691 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 05:45:54 BoogieIcfgContainer [2022-03-16 05:45:54,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 05:45:54,693 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 05:45:54,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 05:45:54,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 05:45:54,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 05:45:54" (1/2) ... [2022-03-16 05:45:54,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33a08604 and model type ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 05:45:54, skipping insertion in model container [2022-03-16 05:45:54,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 05:45:54" (2/2) ... [2022-03-16 05:45:54,698 INFO L111 eAbstractionObserver]: Analyzing ICFG ThyssenKruppRelegation.bpl [2022-03-16 05:45:54,705 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 05:45:54,707 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 05:45:54,707 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 05:45:54,707 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 05:45:54,737 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-16 05:45:54,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 05:45:54,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 05:45:54,787 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 05:45:54,817 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 05:45:54,846 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 05:45:54,854 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 [2022-03-16 05:45:54,854 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-16 05:45:54,904 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3 transitions and produced 4 states. [2022-03-16 05:45:54,906 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-16 05:45:54,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 05:45:54,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1403, now seen corresponding path program 1 times [2022-03-16 05:45:54,917 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 05:45:54,918 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539768633] [2022-03-16 05:45:54,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 05:45:54,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 05:45:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 05:45:54,971 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-16 05:45:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-16 05:45:54,992 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-16 05:45:54,994 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-16 05:45:54,995 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining) [2022-03-16 05:45:54,997 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-03-16 05:45:54,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 05:45:55,005 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-03-16 05:45:55,009 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 05:45:55,009 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 05:45:55,014 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 05:45:55 BasicIcfg [2022-03-16 05:45:55,015 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 05:45:55,016 INFO L158 Benchmark]: Toolchain (without parser) took 471.94ms. Allocated memory is still 190.8MB. Free memory was 150.7MB in the beginning and 156.9MB in the end (delta: -6.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 05:45:55,017 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.27ms. Allocated memory is still 190.8MB. Free memory is still 151.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 05:45:55,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.71ms. Allocated memory is still 190.8MB. Free memory was 150.6MB in the beginning and 149.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 05:45:55,021 INFO L158 Benchmark]: Boogie Preprocessor took 8.67ms. Allocated memory is still 190.8MB. Free memory was 149.1MB in the beginning and 148.3MB in the end (delta: 813.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 05:45:55,021 INFO L158 Benchmark]: RCFGBuilder took 116.67ms. Allocated memory is still 190.8MB. Free memory was 148.2MB in the beginning and 141.3MB in the end (delta: 6.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-03-16 05:45:55,021 INFO L158 Benchmark]: TraceAbstraction took 322.07ms. Allocated memory is still 190.8MB. Free memory was 140.7MB in the beginning and 156.9MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 05:45:55,025 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 0.27ms. Allocated memory is still 190.8MB. Free memory is still 151.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.71ms. Allocated memory is still 190.8MB. Free memory was 150.6MB in the beginning and 149.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 8.67ms. Allocated memory is still 190.8MB. Free memory was 149.1MB in the beginning and 148.3MB in the end (delta: 813.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 116.67ms. Allocated memory is still 190.8MB. Free memory was 148.2MB in the beginning and 141.3MB in the end (delta: 6.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 322.07ms. Allocated memory is still 190.8MB. Free memory was 140.7MB in the beginning and 156.9MB in the end (delta: -16.2MB). 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! [2022-03-16 05:45:55,059 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 05:45:55,274 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...