/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-NewStatesSleep-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 08:19:45,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 08:19:45,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 08:19:45,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 08:19:45,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 08:19:45,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 08:19:45,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 08:19:45,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 08:19:45,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 08:19:45,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 08:19:45,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 08:19:45,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 08:19:45,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 08:19:45,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 08:19:45,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 08:19:45,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 08:19:45,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 08:19:45,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 08:19:45,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 08:19:45,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 08:19:45,277 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-NewStatesSleep-NoLbe.epf [2022-02-09 08:19:45,301 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 08:19:45,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 08:19:45,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 08:19:45,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 08:19:45,302 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 08:19:45,302 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 08:19:45,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 08:19:45,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 08:19:45,303 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 08:19:45,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 08:19:45,304 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 08:19:45,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 08:19:45,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 08:19:45,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 08:19:45,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 08:19:45,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 08:19:45,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 08:19:45,305 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 08:19:45,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 08:19:45,305 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 08:19:45,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 08:19:45,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 08:19:45,305 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 08:19:45,305 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 08:19:45,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 08:19:45,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 08:19:45,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 08:19:45,306 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 08:19:45,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 08:19:45,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 08:19:45,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 08:19:45,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 08:19:45,306 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 08:19:45,306 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 08:19:45,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 08:19:45,307 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-09 08:19:45,307 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 08:19:45,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 08:19:45,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 08:19:45,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 08:19:45,586 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 08:19:45,587 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 08:19:45,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl [2022-02-09 08:19:45,589 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl' [2022-02-09 08:19:45,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 08:19:45,612 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 08:19:45,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 08:19:45,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 08:19:45,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 08:19:45,653 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 08:19:45" (1/1) ... [2022-02-09 08:19:45,672 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 08:19:45" (1/1) ... [2022-02-09 08:19:45,678 INFO L137 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 08:19:45,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 08:19:45,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 08:19:45,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 08:19:45,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 08:19:45,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:45" (1/1) ... [2022-02-09 08:19:45,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:45" (1/1) ... [2022-02-09 08:19:45,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:45" (1/1) ... [2022-02-09 08:19:45,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:45" (1/1) ... [2022-02-09 08:19:45,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:45" (1/1) ... [2022-02-09 08:19:45,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:45" (1/1) ... [2022-02-09 08:19:45,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:45" (1/1) ... [2022-02-09 08:19:45,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 08:19:45,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 08:19:45,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 08:19:45,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 08:19:45,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:45" (1/1) ... [2022-02-09 08:19:45,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 08:19:45,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 08:19:45,754 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 08:19:45,762 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 08:19:45,821 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2022-02-09 08:19:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-02-09 08:19:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-02-09 08:19:45,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 08:19:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 08:19:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 08:19:45,822 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 08:19:45,839 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 08:19:45,839 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 08:19:45,876 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 08:19:45,882 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 08:19:45,882 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 08:19:45,884 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 08:19:45 BoogieIcfgContainer [2022-02-09 08:19:45,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 08:19:45,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 08:19:45,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 08:19:45,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 08:19:45,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 08:19:45" (1/2) ... [2022-02-09 08:19:45,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c778ef and model type ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 08:19:45, skipping insertion in model container [2022-02-09 08:19:45,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 08:19:45" (2/2) ... [2022-02-09 08:19:45,891 INFO L111 eAbstractionObserver]: Analyzing ICFG ThyssenKruppRelegation.bpl [2022-02-09 08:19:45,895 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 08:19:45,895 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 08:19:45,896 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 08:19:45,896 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 08:19:45,915 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-09 08:19:45,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 08:19:45,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 08:19:45,964 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 08:19:45,982 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 08:19:45,987 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 08:19:45,993 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 08:19:45,994 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-09 08:19:46,025 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 08:19:46,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 08:19:46,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1403, now seen corresponding path program 1 times [2022-02-09 08:19:46,041 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 08:19:46,041 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654663829] [2022-02-09 08:19:46,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 08:19:46,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 08:19:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 08:19:46,094 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 08:19:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 08:19:46,107 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 08:19:46,109 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 08:19:46,109 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining) [2022-02-09 08:19:46,110 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-02-09 08:19:46,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 08:19:46,117 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-02-09 08:19:46,120 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 08:19:46,120 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 08:19:46,124 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 08:19:46 BasicIcfg [2022-02-09 08:19:46,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 08:19:46,125 INFO L158 Benchmark]: Toolchain (without parser) took 512.23ms. Allocated memory is still 175.1MB. Free memory was 139.6MB in the beginning and 149.0MB in the end (delta: -9.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 08:19:46,126 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 175.1MB. Free memory was 140.5MB in the beginning and 140.4MB in the end (delta: 70.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 08:19:46,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.92ms. Allocated memory is still 175.1MB. Free memory was 139.5MB in the beginning and 138.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 08:19:46,129 INFO L158 Benchmark]: Boogie Preprocessor took 14.92ms. Allocated memory is still 175.1MB. Free memory was 138.0MB in the beginning and 137.1MB in the end (delta: 861.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 08:19:46,129 INFO L158 Benchmark]: RCFGBuilder took 187.57ms. Allocated memory is still 175.1MB. Free memory was 137.1MB in the beginning and 130.0MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-02-09 08:19:46,130 INFO L158 Benchmark]: TraceAbstraction took 238.43ms. Allocated memory is still 175.1MB. Free memory was 129.5MB in the beginning and 149.0MB in the end (delta: -19.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 08:19:46,135 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 0.15ms. Allocated memory is still 175.1MB. Free memory was 140.5MB in the beginning and 140.4MB in the end (delta: 70.3kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.92ms. Allocated memory is still 175.1MB. Free memory was 139.5MB in the beginning and 138.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.92ms. Allocated memory is still 175.1MB. Free memory was 138.0MB in the beginning and 137.1MB in the end (delta: 861.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 187.57ms. Allocated memory is still 175.1MB. Free memory was 137.1MB in the beginning and 130.0MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * TraceAbstraction took 238.43ms. Allocated memory is still 175.1MB. Free memory was 129.5MB in the beginning and 149.0MB in the end (delta: -19.5MB). 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: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1, Positive cache size: 1, Positive conditional cache size: 0, Positive unconditional cache size: 1, 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 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 08:19:46,162 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 08:19:46,375 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...