/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/example1.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 00:23:00,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 00:23:00,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 00:23:00,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-04 00:23:00,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 00:23:00,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 00:23:00,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 00:23:00,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 00:23:00,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 00:23:00,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 00:23:00,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 00:23:00,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 00:23:00,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 00:23:00,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 00:23:00,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 00:23:00,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 00:23:00,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 00:23:00,195 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-03-04 00:23:00,221 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 00:23:00,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 00:23:00,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 00:23:00,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 00:23:00,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 00:23:00,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 00:23:00,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 00:23:00,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 00:23:00,223 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 00:23:00,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 00:23:00,223 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 00:23:00,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 00:23:00,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 00:23:00,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 00:23:00,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 00:23:00,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 00:23:00,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 00:23:00,224 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 00:23:00,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 00:23:00,224 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 00:23:00,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 00:23:00,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 00:23:00,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 00:23:00,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 00:23:00,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 00:23:00,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 00:23:00,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 00:23:00,226 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 00:23:00,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 00:23:00,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 00:23:00,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 00:23:00,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 00:23:00,227 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 00:23:00,227 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 00:23:00,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 00:23:00,227 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 00:23:00,227 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-04 00:23:00,227 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 00:23:00,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 00:23:00,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 00:23:00,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 00:23:00,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 00:23:00,474 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 00:23:00,475 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 00:23:00,476 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/example1.bpl [2022-03-04 00:23:00,476 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/example1.bpl' [2022-03-04 00:23:00,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 00:23:00,492 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 00:23:00,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 00:23:00,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 00:23:00,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 00:23:00,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 12:23:00" (1/1) ... [2022-03-04 00:23:00,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 12:23:00" (1/1) ... [2022-03-04 00:23:00,522 INFO L137 Inliner]: procedures = 3, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 00:23:00,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 00:23:00,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 00:23:00,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 00:23:00,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 00:23:00,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 12:23:00" (1/1) ... [2022-03-04 00:23:00,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 12:23:00" (1/1) ... [2022-03-04 00:23:00,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 12:23:00" (1/1) ... [2022-03-04 00:23:00,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 12:23:00" (1/1) ... [2022-03-04 00:23:00,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 12:23:00" (1/1) ... [2022-03-04 00:23:00,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 12:23:00" (1/1) ... [2022-03-04 00:23:00,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 12:23:00" (1/1) ... [2022-03-04 00:23:00,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 00:23:00,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 00:23:00,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 00:23:00,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 00:23:00,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 12:23:00" (1/1) ... [2022-03-04 00:23:00,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 00:23:00,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 00:23:00,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 00:23:00,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 00:23:00,581 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-03-04 00:23:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-03-04 00:23:00,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 00:23:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 00:23:00,582 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 00:23:00,619 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 00:23:00,621 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 00:23:00,659 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 00:23:00,663 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 00:23:00,664 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 00:23:00,665 INFO L202 PluginConnector]: Adding new model example1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 12:23:00 BoogieIcfgContainer [2022-03-04 00:23:00,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 00:23:00,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 00:23:00,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 00:23:00,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 00:23:00,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 12:23:00" (1/2) ... [2022-03-04 00:23:00,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f16bae and model type example1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 12:23:00, skipping insertion in model container [2022-03-04 00:23:00,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 12:23:00" (2/2) ... [2022-03-04 00:23:00,687 INFO L111 eAbstractionObserver]: Analyzing ICFG example1.bpl [2022-03-04 00:23:00,691 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 00:23:00,691 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 00:23:00,691 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 00:23:00,691 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 00:23:00,713 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-04 00:23:00,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 00:23:00,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 00:23:00,750 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 00:23:00,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 00:23:00,778 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 00:23:00,783 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-03-04 00:23:00,784 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-04 00:23:00,815 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 9 transitions and produced 10 states. [2022-03-04 00:23:00,817 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-04 00:23:00,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 00:23:00,821 INFO L85 PathProgramCache]: Analyzing trace with hash -2087027823, now seen corresponding path program 1 times [2022-03-04 00:23:00,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 00:23:00,830 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519061335] [2022-03-04 00:23:00,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 00:23:00,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 00:23:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 00:23:00,902 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-04 00:23:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 00:23:00,920 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-04 00:23:00,922 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-04 00:23:00,922 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining) [2022-03-04 00:23:00,924 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-03-04 00:23:00,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 00:23:00,930 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-03-04 00:23:00,933 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 00:23:00,933 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 00:23:00,940 INFO L202 PluginConnector]: Adding new model example1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 12:23:00 BasicIcfg [2022-03-04 00:23:00,940 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 00:23:00,941 INFO L158 Benchmark]: Toolchain (without parser) took 449.27ms. Allocated memory is still 217.1MB. Free memory was 182.1MB in the beginning and 190.0MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 00:23:00,941 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 217.1MB. Free memory is still 183.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 00:23:00,942 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.28ms. Allocated memory is still 217.1MB. Free memory was 182.1MB in the beginning and 180.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-04 00:23:00,942 INFO L158 Benchmark]: Boogie Preprocessor took 8.84ms. Allocated memory is still 217.1MB. Free memory was 180.5MB in the beginning and 179.7MB in the end (delta: 853.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 00:23:00,942 INFO L158 Benchmark]: RCFGBuilder took 131.99ms. Allocated memory is still 217.1MB. Free memory was 179.6MB in the beginning and 172.2MB in the end (delta: 7.5MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-03-04 00:23:00,944 INFO L158 Benchmark]: TraceAbstraction took 273.81ms. Allocated memory is still 217.1MB. Free memory was 171.6MB in the beginning and 190.0MB in the end (delta: -18.3MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 00:23:00,952 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 217.1MB. Free memory is still 183.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.28ms. Allocated memory is still 217.1MB. Free memory was 182.1MB in the beginning and 180.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 8.84ms. Allocated memory is still 217.1MB. Free memory was 180.5MB in the beginning and 179.7MB in the end (delta: 853.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 131.99ms. Allocated memory is still 217.1MB. Free memory was 179.6MB in the beginning and 172.2MB in the end (delta: 7.5MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 273.81ms. Allocated memory is still 217.1MB. Free memory was 171.6MB in the beginning and 190.0MB in the end (delta: -18.3MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 26]: assertion can be violated assertion can be violated We found a FailurePath: [L20] 0 x := 1; VAL [x=1] [L21] FORK 0 fork 1 foo(); VAL [x=1] [L22] 0 n := 2; VAL [n=2, x=1] [L34] 1 n := 1; VAL [n=1, x=1] [L24] JOIN 1 join x; VAL [n=1, x=1] [L25] 0 x := 4; VAL [n=1, x=4] [L26] 0 assert false; VAL [n=1, x=4] - UnprovableResult [Line: 21]: 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, 16 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, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-03-04 00:23:00,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-03-04 00:23:01,180 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...