/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-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/ForkInForkedProcedure01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-29 01:30:25,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-29 01:30:25,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-29 01:30:25,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-29 01:30:25,173 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-01-29 01:30:25,186 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-29 01:30:25,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-29 01:30:25,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-29 01:30:25,186 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-29 01:30:25,187 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-29 01:30:25,187 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-29 01:30:25,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-29 01:30:25,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-29 01:30:25,187 INFO L138 SettingsManager]: * Use SBE=true [2022-01-29 01:30:25,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-29 01:30:25,188 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-29 01:30:25,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-29 01:30:25,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-29 01:30:25,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-29 01:30:25,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-29 01:30:25,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-29 01:30:25,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-29 01:30:25,188 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-29 01:30:25,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-29 01:30:25,188 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-29 01:30:25,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-29 01:30:25,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-29 01:30:25,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-29 01:30:25,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-29 01:30:25,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-29 01:30:25,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 01:30:25,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-29 01:30:25,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-29 01:30:25,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-29 01:30:25,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-29 01:30:25,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-29 01:30:25,189 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-29 01:30:25,190 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-29 01:30:25,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-29 01:30:25,190 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-01-29 01:30:25,190 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-01-29 01:30:25,190 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-29 01:30:25,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-29 01:30:25,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-29 01:30:25,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-29 01:30:25,374 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-01-29 01:30:25,377 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-01-29 01:30:25,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ForkInForkedProcedure01.bpl [2022-01-29 01:30:25,383 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/ForkInForkedProcedure01.bpl' [2022-01-29 01:30:25,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-29 01:30:25,413 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-29 01:30:25,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-29 01:30:25,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-29 01:30:25,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-29 01:30:25,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ForkInForkedProcedure01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:30:25" (1/1) ... [2022-01-29 01:30:25,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ForkInForkedProcedure01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:30:25" (1/1) ... [2022-01-29 01:30:25,433 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-01-29 01:30:25,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-29 01:30:25,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-29 01:30:25,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-29 01:30:25,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-29 01:30:25,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ForkInForkedProcedure01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:30:25" (1/1) ... [2022-01-29 01:30:25,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ForkInForkedProcedure01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:30:25" (1/1) ... [2022-01-29 01:30:25,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ForkInForkedProcedure01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:30:25" (1/1) ... [2022-01-29 01:30:25,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ForkInForkedProcedure01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:30:25" (1/1) ... [2022-01-29 01:30:25,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ForkInForkedProcedure01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:30:25" (1/1) ... [2022-01-29 01:30:25,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ForkInForkedProcedure01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:30:25" (1/1) ... [2022-01-29 01:30:25,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ForkInForkedProcedure01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:30:25" (1/1) ... [2022-01-29 01:30:25,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-29 01:30:25,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-29 01:30:25,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-29 01:30:25,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-29 01:30:25,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ForkInForkedProcedure01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:30:25" (1/1) ... [2022-01-29 01:30:25,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 01:30:25,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 01:30:25,468 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 01:30:25,471 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 01:30:25,496 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bar given in one single declaration [2022-01-29 01:30:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2022-01-29 01:30:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2022-01-29 01:30:25,497 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2022-01-29 01:30:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-01-29 01:30:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-01-29 01:30:25,497 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-01-29 01:30:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-29 01:30:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-29 01:30:25,498 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 01:30:25,529 INFO L234 CfgBuilder]: Building ICFG [2022-01-29 01:30:25,530 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-29 01:30:25,574 INFO L275 CfgBuilder]: Performing block encoding [2022-01-29 01:30:25,578 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-29 01:30:25,578 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-29 01:30:25,580 INFO L202 PluginConnector]: Adding new model ForkInForkedProcedure01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 01:30:25 BoogieIcfgContainer [2022-01-29 01:30:25,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-29 01:30:25,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-29 01:30:25,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-29 01:30:25,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-29 01:30:25,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ForkInForkedProcedure01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 01:30:25" (1/2) ... [2022-01-29 01:30:25,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c9dbee and model type ForkInForkedProcedure01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 01:30:25, skipping insertion in model container [2022-01-29 01:30:25,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ForkInForkedProcedure01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 01:30:25" (2/2) ... [2022-01-29 01:30:25,599 INFO L111 eAbstractionObserver]: Analyzing ICFG ForkInForkedProcedure01.bpl [2022-01-29 01:30:25,603 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-29 01:30:25,603 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-29 01:30:25,603 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-29 01:30:25,603 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-29 01:30:25,622 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork0_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:30:25,622 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork0_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:30:25,625 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork0_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:30:25,627 WARN L322 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:30:25,628 WARN L322 ript$VariableManager]: TermVariabe barThread1of1ForFork0_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-29 01:30:25,630 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-29 01:30:25,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 01:30:25,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 01:30:25,662 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 01:30:25,664 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 01:30:25,688 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == fooThread1of1ForFork1 ======== [2022-01-29 01:30:25,693 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 01:30:25,693 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-29 01:30:25,718 INFO L764 garLoopResultBuilder]: Registering result SAFE for location fooThread1of1ForFork1Err2INUSE_VIOLATION (0 of 1 remaining) [2022-01-29 01:30:25,726 INFO L732 BasicCegarLoop]: Path program histogram: [] [2022-01-29 01:30:25,726 INFO L308 ceAbstractionStarter]: Result for error location fooThread1of1ForFork1 was SAFE (1/2) [2022-01-29 01:30:25,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 01:30:25,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 01:30:25,731 INFO L229 MonitoredProcess]: Starting monitored process 3 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 01:30:25,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-01-29 01:30:25,767 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-01-29 01:30:25,768 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 01:30:25,769 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-29 01:30:25,813 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-29 01:30:25,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 01:30:25,816 INFO L85 PathProgramCache]: Analyzing trace with hash 234629049, now seen corresponding path program 1 times [2022-01-29 01:30:25,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 01:30:25,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080537356] [2022-01-29 01:30:25,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 01:30:25,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 01:30:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-29 01:30:25,894 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-29 01:30:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-29 01:30:25,908 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-29 01:30:25,913 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-29 01:30:25,913 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining) [2022-01-29 01:30:25,914 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 2 remaining) [2022-01-29 01:30:25,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-29 01:30:25,917 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-29 01:30:25,917 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (2/2) [2022-01-29 01:30:25,920 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-29 01:30:25,920 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-29 01:30:25,927 INFO L202 PluginConnector]: Adding new model ForkInForkedProcedure01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 01:30:25 BasicIcfg [2022-01-29 01:30:25,928 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-29 01:30:25,928 INFO L158 Benchmark]: Toolchain (without parser) took 515.39ms. Allocated memory is still 199.2MB. Free memory was 164.4MB in the beginning and 173.2MB in the end (delta: -8.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-29 01:30:25,928 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 199.2MB. Free memory is still 165.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-29 01:30:25,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.73ms. Allocated memory is still 199.2MB. Free memory was 164.4MB in the beginning and 162.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-29 01:30:25,929 INFO L158 Benchmark]: Boogie Preprocessor took 8.85ms. Allocated memory is still 199.2MB. Free memory was 162.7MB in the beginning and 161.9MB in the end (delta: 865.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-29 01:30:25,930 INFO L158 Benchmark]: RCFGBuilder took 135.23ms. Allocated memory is still 199.2MB. Free memory was 161.9MB in the beginning and 153.9MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-29 01:30:25,930 INFO L158 Benchmark]: TraceAbstraction took 346.79ms. Allocated memory is still 199.2MB. Free memory was 153.5MB in the beginning and 173.2MB in the end (delta: -19.7MB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-29 01:30:25,931 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 0.14ms. Allocated memory is still 199.2MB. Free memory is still 165.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.73ms. Allocated memory is still 199.2MB. Free memory was 164.4MB in the beginning and 162.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 8.85ms. Allocated memory is still 199.2MB. Free memory was 162.7MB in the beginning and 161.9MB in the end (delta: 865.2kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 135.23ms. Allocated memory is still 199.2MB. Free memory was 161.9MB in the beginning and 153.9MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 346.79ms. Allocated memory is still 199.2MB. Free memory was 153.5MB in the beginning and 173.2MB in the end (delta: -19.7MB). 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: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 4, Number of trivial persistent sets: 4, Underlying independence 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: 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 52, positive: 47, positive conditional: 8, positive unconditional: 39, negative: 5, negative conditional: 4, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, positive: 47, positive conditional: 8, positive unconditional: 39, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 48, positive: 47, positive conditional: 8, positive unconditional: 39, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 48, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 48, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 46, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 46, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 26, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 48, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 46, unknown conditional: 0, unknown unconditional: 46] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 4 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 10, Number of trivial persistent sets: 10, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 52, positive: 47, positive conditional: 8, positive unconditional: 39, negative: 5, negative conditional: 4, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, positive: 47, positive conditional: 8, positive unconditional: 39, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 48, positive: 47, positive conditional: 8, positive unconditional: 39, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 48, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 48, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 46, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 46, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 26, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 48, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 46, unknown conditional: 0, unknown unconditional: 46] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 4 - 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: 23]: assertion can be violated assertion can be violated We found a FailurePath: [L17] 0 x := 0; VAL [x=0] [L18] 0 g := 0; VAL [g=0, x=0] [L20] FORK 0 fork 1 foo(x); VAL [g=0, n=0, x=0] [L29] FORK 1 fork 2 bar(n); VAL [g=0, n=0, n=0, x=0] [L36] 2 res := 23; VAL [g=0, n=0, n=0, res=23, x=0] [L30] 1 g := g + 1; VAL [g=1, n=0, n=0, res=23, x=0] [L21] JOIN 2 join 2; VAL [g=1, n=0, n=0, res=23, x=0] [L23] 0 assert g == 0; VAL [g=1, n=0, n=0, res=23, x=0] - UnprovableResult [Line: 20]: 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 for errors in thread instance: fooThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 25 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 25 locations, 4 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, 10 NumberOfCodeBlocks, 10 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 01:30:25,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-01-29 01:30:26,176 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 [2022-01-29 01:30:26,377 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...