/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-FA-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 [2022-02-15 13:02:32,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 13:02:32,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 13:02:33,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-15 13:02:33,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-15 13:02:33,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-15 13:02:33,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-15 13:02:33,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-15 13:02:33,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-15 13:02:33,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-15 13:02:33,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-15 13:02:33,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-15 13:02:33,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 13:02:33,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 13:02:33,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 13:02:33,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 13:02:33,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 13:02:33,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 13:02:33,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 13:02:33,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 13:02:33,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 13:02:33,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 13:02:33,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 13:02:33,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 13:02:33,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-15 13:02:33,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-15 13:02:33,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-15 13:02:33,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-15 13:02:33,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-15 13:02:33,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-15 13:02:33,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-15 13:02:33,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-15 13:02:33,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-15 13:02:33,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-15 13:02:33,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-15 13:02:33,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-15 13:02:33,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-15 13:02:33,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-15 13:02:33,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 13:02:33,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 13:02:33,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 13:02:33,069 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.epf [2022-02-15 13:02:33,091 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 13:02:33,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 13:02:33,093 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 13:02:33,093 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 13:02:33,093 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 13:02:33,094 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 13:02:33,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 13:02:33,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 13:02:33,094 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 13:02:33,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 13:02:33,095 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 13:02:33,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 13:02:33,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 13:02:33,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 13:02:33,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 13:02:33,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 13:02:33,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 13:02:33,096 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 13:02:33,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 13:02:33,096 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 13:02:33,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 13:02:33,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 13:02:33,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 13:02:33,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 13:02:33,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 13:02:33,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 13:02:33,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 13:02:33,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 13:02:33,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 13:02:33,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 13:02:33,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 13:02:33,099 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 13:02:33,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 13:02:33,099 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 13:02:33,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 13:02:33,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 13:02:33,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 13:02:33,369 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-15 13:02:33,370 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-15 13:02:33,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl [2022-02-15 13:02:33,371 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl' [2022-02-15 13:02:33,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 13:02:33,388 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 13:02:33,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 13:02:33,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 13:02:33,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 13:02:33,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 01:02:33" (1/1) ... [2022-02-15 13:02:33,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 01:02:33" (1/1) ... [2022-02-15 13:02:33,410 INFO L137 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-15 13:02:33,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 13:02:33,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 13:02:33,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 13:02:33,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 13:02:33,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 01:02:33" (1/1) ... [2022-02-15 13:02:33,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 01:02:33" (1/1) ... [2022-02-15 13:02:33,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 01:02:33" (1/1) ... [2022-02-15 13:02:33,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 01:02:33" (1/1) ... [2022-02-15 13:02:33,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 01:02:33" (1/1) ... [2022-02-15 13:02:33,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 01:02:33" (1/1) ... [2022-02-15 13:02:33,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 01:02:33" (1/1) ... [2022-02-15 13:02:33,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 13:02:33,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 13:02:33,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 13:02:33,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 13:02:33,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 01:02:33" (1/1) ... [2022-02-15 13:02:33,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 13:02:33,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 13:02:33,461 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) [2022-02-15 13:02:33,472 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 [2022-02-15 13:02:33,496 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2022-02-15 13:02:33,496 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-02-15 13:02:33,496 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-02-15 13:02:33,496 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-15 13:02:33,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 13:02:33,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 13:02:33,496 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 13:02:33,515 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 13:02:33,517 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 13:02:33,555 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 13:02:33,563 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 13:02:33,564 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-15 13:02:33,567 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:02:33 BoogieIcfgContainer [2022-02-15 13:02:33,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 13:02:33,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 13:02:33,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 13:02:33,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 13:02:33,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 01:02:33" (1/2) ... [2022-02-15 13:02:33,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c4fc6cc and model type ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 01:02:33, skipping insertion in model container [2022-02-15 13:02:33,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 01:02:33" (2/2) ... [2022-02-15 13:02:33,577 INFO L111 eAbstractionObserver]: Analyzing ICFG ThyssenKruppRelegation.bpl [2022-02-15 13:02:33,585 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 13:02:33,586 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 13:02:33,586 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 13:02:33,586 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 13:02:33,616 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-15 13:02:33,667 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 13:02:33,676 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, mLazyFiniteAutomaton=false, 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 [2022-02-15 13:02:33,676 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-15 13:02:33,684 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 11 places, 7 transitions, 22 flow [2022-02-15 13:02:33,695 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) [2022-02-15 13:02:33,696 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) [2022-02-15 13:02:33,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-02-15 13:02:33,701 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 13:02:33,702 INFO L514 BasicCegarLoop]: trace histogram [1, 1] [2022-02-15 13:02:33,702 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-15 13:02:33,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 13:02:33,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1403, now seen corresponding path program 1 times [2022-02-15 13:02:33,716 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 13:02:33,717 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771330267] [2022-02-15 13:02:33,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 13:02:33,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 13:02:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 13:02:33,787 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 13:02:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 13:02:33,811 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-15 13:02:33,813 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 13:02:33,814 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining) [2022-02-15 13:02:33,816 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-15 13:02:33,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 13:02:33,826 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-15 13:02:33,831 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 13:02:33,831 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 13:02:33,839 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 01:02:33 BasicIcfg [2022-02-15 13:02:33,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 13:02:33,840 INFO L158 Benchmark]: Toolchain (without parser) took 452.23ms. Allocated memory was 177.2MB in the beginning and 286.3MB in the end (delta: 109.1MB). Free memory was 135.3MB in the beginning and 260.2MB in the end (delta: -125.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 13:02:33,841 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 177.2MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 13:02:33,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.67ms. Allocated memory is still 177.2MB. Free memory was 135.2MB in the beginning and 133.7MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-15 13:02:33,842 INFO L158 Benchmark]: Boogie Preprocessor took 14.21ms. Allocated memory is still 177.2MB. Free memory was 133.7MB in the beginning and 132.8MB in the end (delta: 863.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 13:02:33,843 INFO L158 Benchmark]: RCFGBuilder took 138.42ms. Allocated memory is still 177.2MB. Free memory was 132.8MB in the beginning and 125.7MB in the end (delta: 7.1MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-02-15 13:02:33,847 INFO L158 Benchmark]: TraceAbstraction took 268.70ms. Allocated memory was 177.2MB in the beginning and 286.3MB in the end (delta: 109.1MB). Free memory was 125.2MB in the beginning and 260.2MB in the end (delta: -135.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 13:02:33,851 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 0.13ms. Allocated memory is still 177.2MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.67ms. Allocated memory is still 177.2MB. Free memory was 135.2MB in the beginning and 133.7MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.21ms. Allocated memory is still 177.2MB. Free memory was 133.7MB in the beginning and 132.8MB in the end (delta: 863.8kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 138.42ms. Allocated memory is still 177.2MB. Free memory was 132.8MB in the beginning and 125.7MB in the end (delta: 7.1MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 268.70ms. Allocated memory was 177.2MB in the beginning and 286.3MB in the end (delta: 109.1MB). Free memory was 125.2MB in the beginning and 260.2MB in the end (delta: -135.0MB). There was no memory consumed. Max. memory is 8.0GB. * 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: 0.2s, 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! [2022-02-15 13:02:33,896 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...