/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-4b0ab11 [2022-03-01 17:05:02,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-01 17:05:02,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-01 17:05:02,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-01 17:05:02,671 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 [2022-03-01 17:05:02,694 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-01 17:05:02,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-01 17:05:02,695 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-01 17:05:02,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-01 17:05:02,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-01 17:05:02,695 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-01 17:05:02,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-01 17:05:02,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-01 17:05:02,696 INFO L138 SettingsManager]: * Use SBE=true [2022-03-01 17:05:02,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-01 17:05:02,696 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-01 17:05:02,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-01 17:05:02,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-01 17:05:02,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-01 17:05:02,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-01 17:05:02,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-01 17:05:02,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-01 17:05:02,697 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-01 17:05:02,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-01 17:05:02,697 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-01 17:05:02,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-01 17:05:02,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-01 17:05:02,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-01 17:05:02,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-01 17:05:02,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-01 17:05:02,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 17:05:02,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-01 17:05:02,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-01 17:05:02,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-01 17:05:02,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-01 17:05:02,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-01 17:05:02,698 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-01 17:05:02,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-01 17:05:02,698 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-01 17:05:02,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-01 17:05:02,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-01 17:05:02,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-01 17:05:02,909 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-01 17:05:02,910 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-01 17:05:02,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl [2022-03-01 17:05:02,911 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ThyssenKruppRelegation.bpl' [2022-03-01 17:05:02,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-01 17:05:02,928 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-01 17:05:02,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-01 17:05:02,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-01 17:05:02,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-01 17:05:02,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 05:05:02" (1/1) ... [2022-03-01 17:05:02,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 05:05:02" (1/1) ... [2022-03-01 17:05:02,948 INFO L137 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-01 17:05:02,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-01 17:05:02,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-01 17:05:02,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-01 17:05:02,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-01 17:05:02,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 05:05:02" (1/1) ... [2022-03-01 17:05:02,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 05:05:02" (1/1) ... [2022-03-01 17:05:02,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 05:05:02" (1/1) ... [2022-03-01 17:05:02,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 05:05:02" (1/1) ... [2022-03-01 17:05:02,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 05:05:02" (1/1) ... [2022-03-01 17:05:02,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 05:05:02" (1/1) ... [2022-03-01 17:05:02,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 05:05:02" (1/1) ... [2022-03-01 17:05:02,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-01 17:05:02,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-01 17:05:02,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-01 17:05:02,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-01 17:05:02,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 05:05:02" (1/1) ... [2022-03-01 17:05:02,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-01 17:05:02,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-01 17:05:02,996 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) [2022-03-01 17:05:03,003 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 [2022-03-01 17:05:03,028 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2022-03-01 17:05:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-03-01 17:05:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-03-01 17:05:03,029 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-01 17:05:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-01 17:05:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-01 17:05:03,029 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-01 17:05:03,050 INFO L234 CfgBuilder]: Building ICFG [2022-03-01 17:05:03,051 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-01 17:05:03,081 INFO L275 CfgBuilder]: Performing block encoding [2022-03-01 17:05:03,085 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-01 17:05:03,085 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-01 17:05:03,086 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 05:05:03 BoogieIcfgContainer [2022-03-01 17:05:03,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-01 17:05:03,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-01 17:05:03,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-01 17:05:03,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-01 17:05:03,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.03 05:05:02" (1/2) ... [2022-03-01 17:05:03,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255ccfb3 and model type ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.03 05:05:03, skipping insertion in model container [2022-03-01 17:05:03,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.03 05:05:03" (2/2) ... [2022-03-01 17:05:03,103 INFO L111 eAbstractionObserver]: Analyzing ICFG ThyssenKruppRelegation.bpl [2022-03-01 17:05:03,106 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-01 17:05:03,106 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-01 17:05:03,107 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-01 17:05:03,107 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-01 17:05:03,127 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-01 17:05:03,152 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-01 17:05:03,157 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-01 17:05:03,157 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-03-01 17:05:03,163 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 11 places, 7 transitions, 22 flow [2022-03-01 17:05:03,171 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) [2022-03-01 17:05:03,172 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) [2022-03-01 17:05:03,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-03-01 17:05:03,176 INFO L506 BasicCegarLoop]: Found error trace [2022-03-01 17:05:03,176 INFO L514 BasicCegarLoop]: trace histogram [1, 1] [2022-03-01 17:05:03,177 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-03-01 17:05:03,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-01 17:05:03,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1403, now seen corresponding path program 1 times [2022-03-01 17:05:03,186 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-01 17:05:03,186 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265091186] [2022-03-01 17:05:03,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-01 17:05:03,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-01 17:05:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 17:05:03,232 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-01 17:05:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-01 17:05:03,250 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-01 17:05:03,252 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-01 17:05:03,252 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining) [2022-03-01 17:05:03,254 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-03-01 17:05:03,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-01 17:05:03,257 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-03-01 17:05:03,260 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-01 17:05:03,260 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-01 17:05:03,264 INFO L202 PluginConnector]: Adding new model ThyssenKruppRelegation.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.03 05:05:03 BasicIcfg [2022-03-01 17:05:03,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-01 17:05:03,265 INFO L158 Benchmark]: Toolchain (without parser) took 336.35ms. Allocated memory is still 179.3MB. Free memory was 143.7MB in the beginning and 155.7MB in the end (delta: -12.0MB). Peak memory consumption was 27.9MB. Max. memory is 8.0GB. [2022-03-01 17:05:03,265 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 179.3MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 17:05:03,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.24ms. Allocated memory is still 179.3MB. Free memory was 143.7MB in the beginning and 142.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-01 17:05:03,266 INFO L158 Benchmark]: Boogie Preprocessor took 9.77ms. Allocated memory is still 179.3MB. Free memory was 142.2MB in the beginning and 141.3MB in the end (delta: 849.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-01 17:05:03,266 INFO L158 Benchmark]: RCFGBuilder took 126.06ms. Allocated memory is still 179.3MB. Free memory was 141.2MB in the beginning and 134.1MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-01 17:05:03,267 INFO L158 Benchmark]: TraceAbstraction took 176.63ms. Allocated memory is still 179.3MB. Free memory was 133.6MB in the beginning and 155.7MB in the end (delta: -22.1MB). Peak memory consumption was 18.5MB. Max. memory is 8.0GB. [2022-03-01 17:05:03,268 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 179.3MB. Free memory is still 144.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.24ms. Allocated memory is still 179.3MB. Free memory was 143.7MB in the beginning and 142.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 9.77ms. Allocated memory is still 179.3MB. Free memory was 142.2MB in the beginning and 141.3MB in the end (delta: 849.3kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 126.06ms. Allocated memory is still 179.3MB. Free memory was 141.2MB in the beginning and 134.1MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 176.63ms. Allocated memory is still 179.3MB. Free memory was 133.6MB in the beginning and 155.7MB in the end (delta: -22.1MB). Peak memory consumption was 18.5MB. 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: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-03-01 17:05:03,290 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...