/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-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-le-max.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 12:11:56,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 12:11:56,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 12:11:56,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 12:11:56,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 12:11:56,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 12:11:56,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 12:11:56,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 12:11:56,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 12:11:56,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 12:11:56,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 12:11:56,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 12:11:56,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 12:11:56,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 12:11:56,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 12:11:56,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 12:11:56,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 12:11:56,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 12:11:56,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 12:11:56,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 12:11:56,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 12:11:56,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 12:11:56,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 12:11:56,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 12:11:56,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-20 12:11:56,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 12:11:56,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 12:11:56,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 12:11:56,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 12:11:56,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 12:11:56,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 12:11:56,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 12:11:56,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 12:11:56,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 12:11:56,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 12:11:56,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 12:11:56,789 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-Lazy.epf [2022-02-20 12:11:56,818 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 12:11:56,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 12:11:56,819 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 12:11:56,819 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 12:11:56,820 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 12:11:56,820 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 12:11:56,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 12:11:56,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 12:11:56,821 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 12:11:56,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 12:11:56,821 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 12:11:56,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 12:11:56,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 12:11:56,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 12:11:56,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 12:11:56,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 12:11:56,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 12:11:56,823 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 12:11:56,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 12:11:56,823 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 12:11:56,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 12:11:56,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 12:11:56,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 12:11:56,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 12:11:56,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 12:11:56,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 12:11:56,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 12:11:56,825 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 12:11:56,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 12:11:56,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 12:11:56,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 12:11:56,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 12:11:56,825 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 12:11:56,826 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 12:11:56,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 12:11:56,826 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-20 12:11:56,826 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 12:11:57,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 12:11:57,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 12:11:57,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 12:11:57,060 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 12:11:57,061 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 12:11:57,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-le-max.wvr.bpl [2022-02-20 12:11:57,062 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-le-max.wvr.bpl' [2022-02-20 12:11:57,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 12:11:57,083 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 12:11:57,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 12:11:57,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 12:11:57,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 12:11:57,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:57" (1/1) ... [2022-02-20 12:11:57,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:57" (1/1) ... [2022-02-20 12:11:57,102 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 12:11:57,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 12:11:57,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 12:11:57,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 12:11:57,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 12:11:57,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:57" (1/1) ... [2022-02-20 12:11:57,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:57" (1/1) ... [2022-02-20 12:11:57,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:57" (1/1) ... [2022-02-20 12:11:57,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:57" (1/1) ... [2022-02-20 12:11:57,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:57" (1/1) ... [2022-02-20 12:11:57,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:57" (1/1) ... [2022-02-20 12:11:57,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:57" (1/1) ... [2022-02-20 12:11:57,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 12:11:57,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 12:11:57,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 12:11:57,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 12:11:57,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:57" (1/1) ... [2022-02-20 12:11:57,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 12:11:57,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:11:57,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 12:11:57,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 12:11:57,197 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-20 12:11:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 12:11:57,197 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 12:11:57,197 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-20 12:11:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 12:11:57,197 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 12:11:57,197 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 12:11:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 12:11:57,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 12:11:57,198 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-20 12:11:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-20 12:11:57,198 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-20 12:11:57,198 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 12:11:57,235 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 12:11:57,236 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 12:11:57,333 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 12:11:57,337 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 12:11:57,337 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 12:11:57,339 INFO L202 PluginConnector]: Adding new model min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:11:57 BoogieIcfgContainer [2022-02-20 12:11:57,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 12:11:57,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 12:11:57,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 12:11:57,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 12:11:57,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:11:57" (1/2) ... [2022-02-20 12:11:57,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af9be50 and model type min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 12:11:57, skipping insertion in model container [2022-02-20 12:11:57,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:11:57" (2/2) ... [2022-02-20 12:11:57,352 INFO L111 eAbstractionObserver]: Analyzing ICFG min-le-max.wvr.bpl [2022-02-20 12:11:57,355 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 12:11:57,356 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 12:11:57,356 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 12:11:57,356 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 12:11:57,382 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-20 12:11:57,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 12:11:57,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:11:57,416 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-20 12:11:57,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-20 12:11:57,439 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 12:11:57,452 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-20 12:11:57,452 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-20 12:11:59,010 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 868 transitions and produced 802 states. [2022-02-20 12:11:59,012 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 12:11:59,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 12:11:59,016 INFO L85 PathProgramCache]: Analyzing trace with hash 75477334, now seen corresponding path program 1 times [2022-02-20 12:11:59,022 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 12:11:59,022 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437308072] [2022-02-20 12:11:59,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:11:59,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 12:11:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:12:01,448 INFO L134 CoverageAnalysis]: Checked inductivity of 8070 backedges. 7458 proven. 579 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-20 12:12:01,449 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 12:12:01,449 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437308072] [2022-02-20 12:12:01,450 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437308072] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 12:12:01,450 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140496648] [2022-02-20 12:12:01,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:12:01,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:12:01,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:12:01,452 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 12:12:01,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 12:12:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:12:01,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 89 conjunts are in the unsatisfiable core [2022-02-20 12:12:01,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 12:12:02,345 INFO L134 CoverageAnalysis]: Checked inductivity of 8070 backedges. 7669 proven. 368 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-20 12:12:02,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 12:12:04,430 INFO L134 CoverageAnalysis]: Checked inductivity of 8070 backedges. 7669 proven. 368 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-20 12:12:04,431 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140496648] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 12:12:04,431 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 12:12:04,431 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67, 67] total 129 [2022-02-20 12:12:04,433 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10412253] [2022-02-20 12:12:04,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 12:12:04,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2022-02-20 12:12:04,438 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 12:12:04,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2022-02-20 12:12:04,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7145, Invalid=9625, Unknown=0, NotChecked=0, Total=16770 [2022-02-20 12:12:04,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:12:04,463 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 12:12:04,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 3.6615384615384614) internal successors, (476), 129 states have internal predecessors, (476), 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) [2022-02-20 12:12:04,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:12:15,254 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2055 transitions and produced 1869 states. [2022-02-20 12:12:15,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2022-02-20 12:12:15,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-20 12:12:15,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-20 12:12:15,472 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 12:12:15,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 12:12:15,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1118442329, now seen corresponding path program 2 times [2022-02-20 12:12:15,473 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 12:12:15,473 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53919055] [2022-02-20 12:12:15,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:12:15,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 12:12:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:12:24,466 INFO L134 CoverageAnalysis]: Checked inductivity of 28553 backedges. 23002 proven. 5551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 12:12:24,467 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 12:12:24,467 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53919055] [2022-02-20 12:12:24,467 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53919055] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 12:12:24,467 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574587958] [2022-02-20 12:12:24,467 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 12:12:24,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:12:24,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:12:24,469 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 12:12:24,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 12:12:24,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 12:12:24,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 12:12:24,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 125 conjunts are in the unsatisfiable core [2022-02-20 12:12:24,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 12:12:25,643 INFO L134 CoverageAnalysis]: Checked inductivity of 28553 backedges. 17143 proven. 5551 refuted. 0 times theorem prover too weak. 5859 trivial. 0 not checked. [2022-02-20 12:12:25,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 12:12:26,591 INFO L134 CoverageAnalysis]: Checked inductivity of 28553 backedges. 17143 proven. 5551 refuted. 0 times theorem prover too weak. 5859 trivial. 0 not checked. [2022-02-20 12:12:26,591 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574587958] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 12:12:26,591 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 12:12:26,591 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [187, 125, 125] total 188 [2022-02-20 12:12:26,592 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387940261] [2022-02-20 12:12:26,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 12:12:26,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 189 states [2022-02-20 12:12:26,593 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 12:12:26,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2022-02-20 12:12:26,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9954, Invalid=25578, Unknown=0, NotChecked=0, Total=35532 [2022-02-20 12:12:26,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:12:26,600 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 12:12:26,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 189 states, 189 states have (on average 3.0793650793650795) internal successors, (582), 188 states have internal predecessors, (582), 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) [2022-02-20 12:12:26,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2022-02-20 12:12:26,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:12:33,836 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2453 transitions and produced 2200 states. [2022-02-20 12:12:33,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2022-02-20 12:12:33,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2022-02-20 12:12:33,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 12:12:34,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:12:34,037 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 12:12:34,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 12:12:34,038 INFO L85 PathProgramCache]: Analyzing trace with hash 728173947, now seen corresponding path program 3 times [2022-02-20 12:12:34,038 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 12:12:34,038 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269567859] [2022-02-20 12:12:34,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:12:34,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 12:12:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:12:47,981 INFO L134 CoverageAnalysis]: Checked inductivity of 51355 backedges. 25428 proven. 25894 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-20 12:12:47,981 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 12:12:47,982 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269567859] [2022-02-20 12:12:47,982 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269567859] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 12:12:47,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037157630] [2022-02-20 12:12:47,985 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 12:12:47,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:12:47,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:12:47,987 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 12:12:47,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 12:13:04,013 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 133 check-sat command(s) [2022-02-20 12:13:04,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 12:13:04,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 1353 conjuncts, 264 conjunts are in the unsatisfiable core [2022-02-20 12:13:04,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 12:13:05,440 INFO L134 CoverageAnalysis]: Checked inductivity of 51355 backedges. 25819 proven. 25503 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-20 12:13:05,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 12:13:06,965 INFO L134 CoverageAnalysis]: Checked inductivity of 51355 backedges. 25819 proven. 25503 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-20 12:13:06,965 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037157630] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 12:13:06,966 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 12:13:06,966 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [242, 242, 242] total 245 [2022-02-20 12:13:06,966 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818229292] [2022-02-20 12:13:06,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 12:13:06,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 246 states [2022-02-20 12:13:06,967 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 12:13:06,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 246 interpolants. [2022-02-20 12:13:06,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15132, Invalid=45138, Unknown=0, NotChecked=0, Total=60270 [2022-02-20 12:13:06,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:13:06,980 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 12:13:06,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 246 states, 246 states have (on average 3.3658536585365852) internal successors, (828), 245 states have internal predecessors, (828), 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) [2022-02-20 12:13:06,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2022-02-20 12:13:06,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2022-02-20 12:13:06,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:13:31,444 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2885 transitions and produced 2516 states. [2022-02-20 12:13:31,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2022-02-20 12:13:31,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2022-02-20 12:13:31,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 248 states. [2022-02-20 12:13:31,470 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-20 12:13:31,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:13:31,646 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 12:13:31,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 12:13:31,646 INFO L85 PathProgramCache]: Analyzing trace with hash -2026313062, now seen corresponding path program 4 times [2022-02-20 12:13:31,646 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 12:13:31,647 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393756387] [2022-02-20 12:13:31,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:13:31,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 12:13:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:13:46,746 INFO L134 CoverageAnalysis]: Checked inductivity of 46798 backedges. 24897 proven. 21901 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 12:13:46,746 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 12:13:46,746 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393756387] [2022-02-20 12:13:46,747 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393756387] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 12:13:46,747 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999435382] [2022-02-20 12:13:46,747 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-20 12:13:46,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:13:46,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:13:46,748 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 12:13:46,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 12:13:46,956 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-20 12:13:46,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 12:13:46,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 1293 conjuncts, 245 conjunts are in the unsatisfiable core [2022-02-20 12:13:46,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 12:13:48,203 INFO L134 CoverageAnalysis]: Checked inductivity of 46798 backedges. 24813 proven. 21901 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-02-20 12:13:48,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 12:13:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 46798 backedges. 24813 proven. 21901 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-02-20 12:13:49,607 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999435382] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 12:13:49,608 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 12:13:49,608 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [252, 245, 245] total 253 [2022-02-20 12:13:49,608 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269891741] [2022-02-20 12:13:49,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 12:13:49,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 254 states [2022-02-20 12:13:49,609 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 12:13:49,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 254 interpolants. [2022-02-20 12:13:49,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16264, Invalid=47998, Unknown=0, NotChecked=0, Total=64262 [2022-02-20 12:13:49,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:13:49,616 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 12:13:49,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 254 states, 254 states have (on average 3.059055118110236) internal successors, (777), 253 states have internal predecessors, (777), 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) [2022-02-20 12:13:49,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2022-02-20 12:13:49,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2022-02-20 12:13:49,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 248 states. [2022-02-20 12:13:49,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:14:10,384 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3268 transitions and produced 2832 states. [2022-02-20 12:14:10,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2022-02-20 12:14:10,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2022-02-20 12:14:10,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 248 states. [2022-02-20 12:14:10,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 368 states. [2022-02-20 12:14:10,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-20 12:14:10,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:14:10,585 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 12:14:10,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 12:14:10,586 INFO L85 PathProgramCache]: Analyzing trace with hash -472346922, now seen corresponding path program 5 times [2022-02-20 12:14:10,586 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 12:14:10,586 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833401711] [2022-02-20 12:14:10,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:14:10,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 12:14:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:14:32,901 INFO L134 CoverageAnalysis]: Checked inductivity of 82470 backedges. 54198 proven. 28239 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-20 12:14:32,902 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 12:14:32,902 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833401711] [2022-02-20 12:14:32,902 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833401711] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 12:14:32,902 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027756937] [2022-02-20 12:14:32,902 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-20 12:14:32,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:14:32,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:14:32,903 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 12:14:32,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 12:14:35,854 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 193 check-sat command(s) [2022-02-20 12:14:35,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 12:14:35,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 1678 conjuncts, 329 conjunts are in the unsatisfiable core [2022-02-20 12:14:35,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 12:14:37,526 INFO L134 CoverageAnalysis]: Checked inductivity of 82470 backedges. 54769 proven. 27668 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-20 12:14:37,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 12:14:50,413 INFO L134 CoverageAnalysis]: Checked inductivity of 82470 backedges. 54769 proven. 27668 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-02-20 12:14:50,414 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027756937] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 12:14:50,414 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 12:14:50,414 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [307, 307, 307] total 420 [2022-02-20 12:14:50,415 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027633353] [2022-02-20 12:14:50,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 12:14:50,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 421 states [2022-02-20 12:14:50,417 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 12:14:50,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 421 interpolants. [2022-02-20 12:14:50,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45152, Invalid=131668, Unknown=0, NotChecked=0, Total=176820 [2022-02-20 12:14:50,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:14:50,438 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 12:14:50,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 421 states, 421 states have (on average 3.213776722090261) internal successors, (1353), 420 states have internal predecessors, (1353), 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) [2022-02-20 12:14:50,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2022-02-20 12:14:50,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2022-02-20 12:14:50,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 248 states. [2022-02-20 12:14:50,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 368 states. [2022-02-20 12:14:50,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:16:12,219 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4815 transitions and produced 4208 states. [2022-02-20 12:16:12,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2022-02-20 12:16:12,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2022-02-20 12:16:12,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 248 states. [2022-02-20 12:16:12,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 368 states. [2022-02-20 12:16:12,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 478 states. [2022-02-20 12:16:12,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-20 12:16:12,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:16:12,421 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-20 12:16:12,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 12:16:12,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1442436825, now seen corresponding path program 6 times [2022-02-20 12:16:12,421 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 12:16:12,422 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849743754] [2022-02-20 12:16:12,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:16:12,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 12:16:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:16:55,138 INFO L134 CoverageAnalysis]: Checked inductivity of 138233 backedges. 89182 proven. 49051 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 12:16:55,139 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 12:16:55,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849743754] [2022-02-20 12:16:55,139 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849743754] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 12:16:55,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062283958] [2022-02-20 12:16:55,139 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-20 12:16:55,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:16:55,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:16:55,141 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 12:16:55,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 12:16:55,266 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2022-02-20 12:16:55,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 12:16:55,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 40 conjunts are in the unsatisfiable core [2022-02-20 12:16:55,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-02-20 12:25:00,515 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-20 12:25:00,517 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-20 12:25:00,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-20 12:25:00,543 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 12:25:00,543 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 12:25:00,547 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 12:25:00,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:25:00,720 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1291 with TraceHistMax 244,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 6ms.. [2022-02-20 12:25:00,721 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-20 12:25:00,721 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-20 12:25:00,721 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-20 12:25:00,739 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-02-20 12:25:00,741 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 12:25:00,741 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 12:25:00,743 INFO L202 PluginConnector]: Adding new model min-le-max.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 12:25:00 BasicIcfg [2022-02-20 12:25:00,743 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 12:25:00,743 INFO L158 Benchmark]: Toolchain (without parser) took 783659.95ms. Allocated memory was 181.4MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 139.4MB in the beginning and 189.5MB in the end (delta: -50.1MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-02-20 12:25:00,743 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 181.4MB. Free memory is still 140.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 12:25:00,744 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.62ms. Allocated memory is still 181.4MB. Free memory was 139.3MB in the beginning and 137.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 12:25:00,744 INFO L158 Benchmark]: Boogie Preprocessor took 15.89ms. Allocated memory is still 181.4MB. Free memory was 137.7MB in the beginning and 136.8MB in the end (delta: 923.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 12:25:00,744 INFO L158 Benchmark]: RCFGBuilder took 217.29ms. Allocated memory is still 181.4MB. Free memory was 136.8MB in the beginning and 127.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-20 12:25:00,744 INFO L158 Benchmark]: TraceAbstraction took 783403.03ms. Allocated memory was 181.4MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 127.5MB in the beginning and 189.5MB in the end (delta: -62.0MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-02-20 12:25:00,745 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 0.11ms. Allocated memory is still 181.4MB. Free memory is still 140.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.62ms. Allocated memory is still 181.4MB. Free memory was 139.3MB in the beginning and 137.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.89ms. Allocated memory is still 181.4MB. Free memory was 137.7MB in the beginning and 136.8MB in the end (delta: 923.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 217.29ms. Allocated memory is still 181.4MB. Free memory was 136.8MB in the beginning and 127.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 783403.03ms. Allocated memory was 181.4MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 127.5MB in the beginning and 189.5MB in the end (delta: -62.0MB). Peak memory consumption was 1.4GB. 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 - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1291 with TraceHistMax 244,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 6ms.. - TimeoutResultAtElement [Line: 45]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1291 with TraceHistMax 244,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 6ms.. - TimeoutResultAtElement [Line: 46]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1291 with TraceHistMax 244,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 6ms.. - TimeoutResultAtElement [Line: 45]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1291 with TraceHistMax 244,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 7 for 6ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 41 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 783.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 146.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1573, 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: 0.2s SsaConstructionTime, 20.8s SatisfiabilityAnalysisTime, 86.0s InterpolantComputationTime, 6816 NumberOfCodeBlocks, 6816 NumberOfCodeBlocksAsserted, 335 NumberOfCheckSat, 10209 ConstructedInterpolants, 0 QuantifiedInterpolants, 48899 SizeOfPredicates, 10 NumberOfNonLiveVariables, 5770 ConjunctsInSsa, 1052 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 407592/651738 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 could not prove your program: Timeout Completed graceful shutdown