/usr/bin/java -Xmx16000000000 -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-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 14:06:58,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 14:06:58,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 14:06:58,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-18 14:06:58,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-18 14:06:58,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-18 14:06:58,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-18 14:06:58,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-18 14:06:58,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-18 14:06:58,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-18 14:06:58,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-18 14:06:58,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-18 14:06:58,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-18 14:06:58,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-18 14:06:58,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-18 14:06:58,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-18 14:06:58,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-18 14:06:58,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-18 14:06:58,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-18 14:06:58,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-18 14:06:58,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-18 14:06:58,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-18 14:06:58,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-18 14:06:58,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-18 14:06:58,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-18 14:06:58,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 14:06:58,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 14:06:58,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 14:06:58,099 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-FA-NoLbe-Separate.epf [2022-01-18 14:06:58,124 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 14:06:58,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 14:06:58,124 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 14:06:58,124 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 14:06:58,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 14:06:58,125 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 14:06:58,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 14:06:58,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 14:06:58,125 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 14:06:58,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 14:06:58,126 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 14:06:58,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 14:06:58,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 14:06:58,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 14:06:58,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 14:06:58,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 14:06:58,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 14:06:58,127 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 14:06:58,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 14:06:58,127 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 14:06:58,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 14:06:58,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 14:06:58,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 14:06:58,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 14:06:58,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 14:06:58,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 14:06:58,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 14:06:58,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 14:06:58,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 14:06:58,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 14:06:58,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 14:06:58,129 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 14:06:58,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 14:06:58,129 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 14:06:58,129 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 14:06:58,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 14:06:58,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 14:06:58,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 14:06:58,345 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-01-18 14:06:58,346 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-01-18 14:06:58,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl [2022-01-18 14:06:58,348 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl' [2022-01-18 14:06:58,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 14:06:58,363 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-18 14:06:58,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 14:06:58,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 14:06:58,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 14:06:58,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:06:58" (1/1) ... [2022-01-18 14:06:58,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:06:58" (1/1) ... [2022-01-18 14:06:58,382 INFO L137 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-01-18 14:06:58,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 14:06:58,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 14:06:58,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 14:06:58,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 14:06:58,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:06:58" (1/1) ... [2022-01-18 14:06:58,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:06:58" (1/1) ... [2022-01-18 14:06:58,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:06:58" (1/1) ... [2022-01-18 14:06:58,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:06:58" (1/1) ... [2022-01-18 14:06:58,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:06:58" (1/1) ... [2022-01-18 14:06:58,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:06:58" (1/1) ... [2022-01-18 14:06:58,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:06:58" (1/1) ... [2022-01-18 14:06:58,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 14:06:58,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 14:06:58,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 14:06:58,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 14:06:58,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:06:58" (1/1) ... [2022-01-18 14:06:58,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 14:06:58,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 14:06:58,418 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) [2022-01-18 14:06:58,431 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 [2022-01-18 14:06:58,444 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2022-01-18 14:06:58,444 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-01-18 14:06:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-01-18 14:06:58,445 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-01-18 14:06:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 14:06:58,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 14:06:58,445 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 14:06:58,462 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 14:06:58,463 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 14:06:58,499 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 14:06:58,503 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 14:06:58,503 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 14:06:58,504 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 02:06:58 BoogieIcfgContainer [2022-01-18 14:06:58,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 14:06:58,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 14:06:58,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 14:06:58,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 14:06:58,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 02:06:58" (1/2) ... [2022-01-18 14:06:58,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@480e7e4f and model type ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 02:06:58, skipping insertion in model container [2022-01-18 14:06:58,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 02:06:58" (2/2) ... [2022-01-18 14:06:58,510 INFO L111 eAbstractionObserver]: Analyzing ICFG ThyssenKruppRelegation.bpl [2022-01-18 14:06:58,513 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 14:06:58,513 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 14:06:58,513 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 14:06:58,513 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 14:06:58,530 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-01-18 14:06:58,570 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 14:06:58,574 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=FINITE_AUTOMATA, 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 [2022-01-18 14:06:58,575 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-18 14:06:58,584 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 11 places, 7 transitions, 22 flow [2022-01-18 14:06:58,592 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 14:06:58,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-18 14:06:58,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-01-18 14:06:58,598 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 14:06:58,598 INFO L514 BasicCegarLoop]: trace histogram [1, 1] [2022-01-18 14:06:58,599 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-18 14:06:58,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 14:06:58,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1403, now seen corresponding path program 1 times [2022-01-18 14:06:58,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 14:06:58,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805859610] [2022-01-18 14:06:58,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 14:06:58,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 14:06:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 14:06:58,665 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-18 14:06:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-18 14:06:58,681 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-18 14:06:58,682 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-18 14:06:58,684 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining) [2022-01-18 14:06:58,685 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-01-18 14:06:58,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 14:06:58,689 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-18 14:06:58,692 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 14:06:58,692 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 14:06:58,697 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 02:06:58 BasicIcfg [2022-01-18 14:06:58,697 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 14:06:58,698 INFO L158 Benchmark]: Toolchain (without parser) took 334.59ms. Allocated memory is still 427.8MB. Free memory was 387.2MB in the beginning and 395.7MB in the end (delta: -8.5MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 14:06:58,698 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.77ms. Allocated memory is still 427.8MB. Free memory is still 388.0MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 14:06:58,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.08ms. Allocated memory is still 427.8MB. Free memory was 387.1MB in the beginning and 385.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 14:06:58,700 INFO L158 Benchmark]: Boogie Preprocessor took 8.78ms. Allocated memory is still 427.8MB. Free memory was 385.6MB in the beginning and 384.7MB in the end (delta: 805.1kB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 14:06:58,700 INFO L158 Benchmark]: RCFGBuilder took 111.33ms. Allocated memory is still 427.8MB. Free memory was 384.7MB in the beginning and 377.7MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2022-01-18 14:06:58,701 INFO L158 Benchmark]: TraceAbstraction took 191.79ms. Allocated memory is still 427.8MB. Free memory was 377.2MB in the beginning and 396.8MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 14:06:58,705 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 0.77ms. Allocated memory is still 427.8MB. Free memory is still 388.0MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 19.08ms. Allocated memory is still 427.8MB. Free memory was 387.1MB in the beginning and 385.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 8.78ms. Allocated memory is still 427.8MB. Free memory was 385.6MB in the beginning and 384.7MB in the end (delta: 805.1kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 111.33ms. Allocated memory is still 427.8MB. Free memory was 384.7MB in the beginning and 377.7MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 191.79ms. Allocated memory is still 427.8MB. Free memory was 377.2MB in the beginning and 396.8MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, 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=5occurred 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! [2022-01-18 14:06:58,742 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...