/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.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-44898dd [2022-02-09 13:52:19,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 13:52:19,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 13:52:20,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 13:52:20,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 13:52:20,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 13:52:20,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 13:52:20,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 13:52:20,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 13:52:20,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 13:52:20,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 13:52:20,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 13:52:20,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 13:52:20,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 13:52:20,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 13:52:20,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 13:52:20,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 13:52:20,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 13:52:20,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 13:52:20,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 13:52:20,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 13:52:20,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 13:52:20,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 13:52:20,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 13:52:20,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 13:52:20,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 13:52:20,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 13:52:20,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 13:52:20,067 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-09 13:52:20,090 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 13:52:20,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 13:52:20,091 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 13:52:20,091 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 13:52:20,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 13:52:20,091 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 13:52:20,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 13:52:20,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 13:52:20,092 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 13:52:20,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 13:52:20,093 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 13:52:20,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 13:52:20,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 13:52:20,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 13:52:20,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 13:52:20,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 13:52:20,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 13:52:20,093 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 13:52:20,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 13:52:20,093 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 13:52:20,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 13:52:20,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 13:52:20,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 13:52:20,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 13:52:20,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 13:52:20,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 13:52:20,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 13:52:20,095 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 13:52:20,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 13:52:20,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 13:52:20,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 13:52:20,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 13:52:20,095 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 13:52:20,096 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 13:52:20,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 13:52:20,096 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-09 13:52:20,096 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-09 13:52:20,096 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 13:52:20,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 13:52:20,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 13:52:20,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 13:52:20,282 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 13:52:20,284 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 13:52:20,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl [2022-02-09 13:52:20,284 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl' [2022-02-09 13:52:20,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 13:52:20,299 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 13:52:20,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 13:52:20,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 13:52:20,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 13:52:20,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 01:52:20" (1/1) ... [2022-02-09 13:52:20,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 01:52:20" (1/1) ... [2022-02-09 13:52:20,316 INFO L137 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 13:52:20,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 13:52:20,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 13:52:20,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 13:52:20,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 13:52:20,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 01:52:20" (1/1) ... [2022-02-09 13:52:20,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 01:52:20" (1/1) ... [2022-02-09 13:52:20,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 01:52:20" (1/1) ... [2022-02-09 13:52:20,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 01:52:20" (1/1) ... [2022-02-09 13:52:20,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 01:52:20" (1/1) ... [2022-02-09 13:52:20,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 01:52:20" (1/1) ... [2022-02-09 13:52:20,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 01:52:20" (1/1) ... [2022-02-09 13:52:20,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 13:52:20,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 13:52:20,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 13:52:20,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 13:52:20,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 01:52:20" (1/1) ... [2022-02-09 13:52:20,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 13:52:20,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 13:52:20,355 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) [2022-02-09 13:52:20,362 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 [2022-02-09 13:52:20,393 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2022-02-09 13:52:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-02-09 13:52:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-02-09 13:52:20,393 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 13:52:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 13:52:20,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 13:52:20,394 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 13:52:20,412 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 13:52:20,413 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 13:52:20,450 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 13:52:20,454 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 13:52:20,454 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 13:52:20,455 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 01:52:20 BoogieIcfgContainer [2022-02-09 13:52:20,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 13:52:20,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 13:52:20,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 13:52:20,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 13:52:20,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 01:52:20" (1/2) ... [2022-02-09 13:52:20,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3511fe32 and model type ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 01:52:20, skipping insertion in model container [2022-02-09 13:52:20,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 01:52:20" (2/2) ... [2022-02-09 13:52:20,461 INFO L111 eAbstractionObserver]: Analyzing ICFG ThyssenKruppRelegation.bpl [2022-02-09 13:52:20,467 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 13:52:20,467 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 13:52:20,468 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 13:52:20,468 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 13:52:20,495 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-09 13:52:20,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 13:52:20,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 13:52:20,532 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) [2022-02-09 13:52:20,533 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 [2022-02-09 13:52:20,557 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-09 13:52:20,561 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 [2022-02-09 13:52:20,561 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-09 13:52:20,605 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 13:52:20,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 13:52:20,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1403, now seen corresponding path program 1 times [2022-02-09 13:52:20,613 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 13:52:20,614 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280579330] [2022-02-09 13:52:20,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 13:52:20,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 13:52:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 13:52:20,659 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 13:52:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 13:52:20,670 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 13:52:20,671 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 13:52:20,672 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining) [2022-02-09 13:52:20,673 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-09 13:52:20,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 13:52:20,680 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-09 13:52:20,683 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 13:52:20,683 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 13:52:20,687 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 01:52:20 BasicIcfg [2022-02-09 13:52:20,687 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 13:52:20,688 INFO L158 Benchmark]: Toolchain (without parser) took 388.42ms. Allocated memory was 185.6MB in the beginning and 250.6MB in the end (delta: 65.0MB). Free memory was 142.9MB in the beginning and 221.1MB in the end (delta: -78.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 13:52:20,688 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 185.6MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 13:52:20,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.07ms. Allocated memory is still 185.6MB. Free memory was 142.8MB in the beginning and 141.4MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-09 13:52:20,689 INFO L158 Benchmark]: Boogie Preprocessor took 10.22ms. Allocated memory is still 185.6MB. Free memory was 141.4MB in the beginning and 140.5MB in the end (delta: 830.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 13:52:20,689 INFO L158 Benchmark]: RCFGBuilder took 125.78ms. Allocated memory is still 185.6MB. Free memory was 140.5MB in the beginning and 133.5MB in the end (delta: 7.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-02-09 13:52:20,689 INFO L158 Benchmark]: TraceAbstraction took 230.81ms. Allocated memory was 185.6MB in the beginning and 250.6MB in the end (delta: 65.0MB). Free memory was 133.0MB in the beginning and 221.1MB in the end (delta: -88.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 13:52:20,691 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 0.11ms. Allocated memory is still 185.6MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 17.07ms. Allocated memory is still 185.6MB. Free memory was 142.8MB in the beginning and 141.4MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.22ms. Allocated memory is still 185.6MB. Free memory was 141.4MB in the beginning and 140.5MB in the end (delta: 830.0kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 125.78ms. Allocated memory is still 185.6MB. Free memory was 140.5MB in the beginning and 133.5MB in the end (delta: 7.0MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 230.81ms. Allocated memory was 185.6MB in the beginning and 250.6MB in the end (delta: 65.0MB). Free memory was 133.0MB in the beginning and 221.1MB in the end (delta: -88.1MB). 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: 8, positive: 8, positive conditional: 1, positive unconditional: 7, 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: 8, positive: 8, positive conditional: 1, positive unconditional: 7, 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: 8, positive: 8, positive conditional: 1, positive unconditional: 7, 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: 8, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 8, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 8, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 8, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 2, Number of trivial persistent sets: 2, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 1, positive unconditional: 7, 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: 8, positive: 8, positive conditional: 1, positive unconditional: 7, 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: 8, positive: 8, positive conditional: 1, positive unconditional: 7, 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: 8, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 8, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 8, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 7, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 8, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 7, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 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 for errors in thread instance: ULTIMATE.start 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! [2022-02-09 13:52:20,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-09 13:52:20,921 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...