/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-MCRwithoutDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/example1.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-29 12:56:53,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-29 12:56:53,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-29 12:56:53,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-29 12:56:53,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-29 12:56:53,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-29 12:56:53,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-29 12:56:53,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-29 12:56:53,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-29 12:56:53,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-29 12:56:53,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-29 12:56:53,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-29 12:56:53,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-29 12:56:53,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-29 12:56:53,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-29 12:56:53,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-29 12:56:53,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-29 12:56:53,800 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-MCRwithoutDepranks.epf [2022-01-29 12:56:53,819 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-29 12:56:53,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-29 12:56:53,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-29 12:56:53,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-29 12:56:53,820 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-29 12:56:53,820 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-29 12:56:53,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-29 12:56:53,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-29 12:56:53,823 INFO L138 SettingsManager]: * Use SBE=true [2022-01-29 12:56:53,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-29 12:56:53,824 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-29 12:56:53,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-29 12:56:53,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-29 12:56:53,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-29 12:56:53,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-29 12:56:53,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-29 12:56:53,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-29 12:56:53,824 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-29 12:56:53,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-29 12:56:53,825 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-29 12:56:53,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-29 12:56:53,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-29 12:56:53,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-29 12:56:53,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-29 12:56:53,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-29 12:56:53,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 12:56:53,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-29 12:56:53,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-29 12:56:53,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-29 12:56:53,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-29 12:56:53,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-29 12:56:53,826 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-29 12:56:53,826 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-29 12:56:53,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-29 12:56:53,826 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-01-29 12:56:53,826 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-29 12:56:53,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-29 12:56:53,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-29 12:56:53,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-29 12:56:53,998 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-01-29 12:56:53,999 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-01-29 12:56:54,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/example1.bpl [2022-01-29 12:56:54,000 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/example1.bpl' [2022-01-29 12:56:54,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-29 12:56:54,017 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-29 12:56:54,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-29 12:56:54,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-29 12:56:54,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-29 12:56:54,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:56:54" (1/1) ... [2022-01-29 12:56:54,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:56:54" (1/1) ... [2022-01-29 12:56:54,035 INFO L137 Inliner]: procedures = 3, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-01-29 12:56:54,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-29 12:56:54,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-29 12:56:54,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-29 12:56:54,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-29 12:56:54,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:56:54" (1/1) ... [2022-01-29 12:56:54,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:56:54" (1/1) ... [2022-01-29 12:56:54,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:56:54" (1/1) ... [2022-01-29 12:56:54,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:56:54" (1/1) ... [2022-01-29 12:56:54,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:56:54" (1/1) ... [2022-01-29 12:56:54,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:56:54" (1/1) ... [2022-01-29 12:56:54,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:56:54" (1/1) ... [2022-01-29 12:56:54,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-29 12:56:54,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-29 12:56:54,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-29 12:56:54,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-29 12:56:54,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:56:54" (1/1) ... [2022-01-29 12:56:54,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 12:56:54,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 12:56:54,077 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) [2022-01-29 12:56:54,096 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 [2022-01-29 12:56:54,107 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-01-29 12:56:54,107 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-01-29 12:56:54,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-29 12:56:54,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-29 12:56:54,108 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-29 12:56:54,142 INFO L234 CfgBuilder]: Building ICFG [2022-01-29 12:56:54,143 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-29 12:56:54,182 INFO L275 CfgBuilder]: Performing block encoding [2022-01-29 12:56:54,186 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-29 12:56:54,187 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-29 12:56:54,188 INFO L202 PluginConnector]: Adding new model example1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:56:54 BoogieIcfgContainer [2022-01-29 12:56:54,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-29 12:56:54,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-29 12:56:54,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-29 12:56:54,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-29 12:56:54,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:56:54" (1/2) ... [2022-01-29 12:56:54,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@766589e4 and model type example1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 12:56:54, skipping insertion in model container [2022-01-29 12:56:54,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:56:54" (2/2) ... [2022-01-29 12:56:54,195 INFO L111 eAbstractionObserver]: Analyzing ICFG example1.bpl [2022-01-29 12:56:54,200 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-29 12:56:54,200 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-29 12:56:54,200 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-29 12:56:54,201 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-29 12:56:54,219 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-01-29 12:56:54,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 12:56:54,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 12:56:54,250 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) [2022-01-29 12:56:54,251 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 [2022-01-29 12:56:54,270 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-29 12:56:54,275 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, 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 [2022-01-29 12:56:54,275 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-29 12:56:54,305 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-29 12:56:54,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 12:56:54,308 INFO L85 PathProgramCache]: Analyzing trace with hash -2087027823, now seen corresponding path program 1 times [2022-01-29 12:56:54,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 12:56:54,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016773260] [2022-01-29 12:56:54,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 12:56:54,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 12:56:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-29 12:56:54,382 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-29 12:56:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-29 12:56:54,407 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-29 12:56:54,409 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-29 12:56:54,409 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining) [2022-01-29 12:56:54,414 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-01-29 12:56:54,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-29 12:56:54,423 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-29 12:56:54,428 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-29 12:56:54,428 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-29 12:56:54,436 INFO L202 PluginConnector]: Adding new model example1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 12:56:54 BasicIcfg [2022-01-29 12:56:54,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-29 12:56:54,437 INFO L158 Benchmark]: Toolchain (without parser) took 419.34ms. Allocated memory is still 200.3MB. Free memory was 165.3MB in the beginning and 138.7MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-01-29 12:56:54,437 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 200.3MB. Free memory is still 166.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-29 12:56:54,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.13ms. Allocated memory is still 200.3MB. Free memory was 165.3MB in the beginning and 163.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-29 12:56:54,438 INFO L158 Benchmark]: Boogie Preprocessor took 11.09ms. Allocated memory is still 200.3MB. Free memory was 163.7MB in the beginning and 162.8MB in the end (delta: 855.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-29 12:56:54,438 INFO L158 Benchmark]: RCFGBuilder took 139.05ms. Allocated memory is still 200.3MB. Free memory was 162.8MB in the beginning and 155.5MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-01-29 12:56:54,438 INFO L158 Benchmark]: TraceAbstraction took 246.65ms. Allocated memory is still 200.3MB. Free memory was 155.1MB in the beginning and 138.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-29 12:56:54,440 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 0.17ms. Allocated memory is still 200.3MB. Free memory is still 166.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.13ms. Allocated memory is still 200.3MB. Free memory was 165.3MB in the beginning and 163.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.09ms. Allocated memory is still 200.3MB. Free memory was 163.7MB in the beginning and 162.8MB in the end (delta: 855.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 139.05ms. Allocated memory is still 200.3MB. Free memory was 162.8MB in the beginning and 155.5MB in the end (delta: 7.3MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 246.65ms. Allocated memory is still 200.3MB. Free memory was 155.1MB in the beginning and 138.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. 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! [2022-01-29 12:56:54,475 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 [2022-01-29 12:56:54,694 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...