/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 16:21:22,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 16:21:22,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 16:21:22,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-19 16:21:22,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 16:21:22,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 16:21:22,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 16:21:22,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 16:21:22,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 16:21:22,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 16:21:22,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 16:21:22,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 16:21:22,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 16:21:22,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 16:21:22,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 16:21:22,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 16:21:22,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 16:21:22,902 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-02-19 16:21:22,925 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 16:21:22,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 16:21:22,925 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 16:21:22,925 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 16:21:22,926 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 16:21:22,926 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 16:21:22,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 16:21:22,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 16:21:22,926 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 16:21:22,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 16:21:22,927 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 16:21:22,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 16:21:22,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 16:21:22,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 16:21:22,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 16:21:22,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 16:21:22,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 16:21:22,927 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 16:21:22,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 16:21:22,928 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 16:21:22,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 16:21:22,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 16:21:22,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 16:21:22,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 16:21:22,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 16:21:22,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 16:21:22,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 16:21:22,928 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 16:21:22,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 16:21:22,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 16:21:22,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 16:21:22,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 16:21:22,929 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 16:21:22,929 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 16:21:22,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 16:21:22,929 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 16:21:22,929 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 16:21:22,929 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 16:21:23,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 16:21:23,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 16:21:23,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 16:21:23,133 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 16:21:23,134 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 16:21:23,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl [2022-02-19 16:21:23,135 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl' [2022-02-19 16:21:23,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 16:21:23,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 16:21:23,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 16:21:23,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 16:21:23,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 16:21:23,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:23" (1/1) ... [2022-02-19 16:21:23,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:23" (1/1) ... [2022-02-19 16:21:23,170 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 16:21:23,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 16:21:23,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 16:21:23,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 16:21:23,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 16:21:23,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:23" (1/1) ... [2022-02-19 16:21:23,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:23" (1/1) ... [2022-02-19 16:21:23,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:23" (1/1) ... [2022-02-19 16:21:23,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:23" (1/1) ... [2022-02-19 16:21:23,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:23" (1/1) ... [2022-02-19 16:21:23,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:23" (1/1) ... [2022-02-19 16:21:23,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:23" (1/1) ... [2022-02-19 16:21:23,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 16:21:23,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 16:21:23,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 16:21:23,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 16:21:23,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:23" (1/1) ... [2022-02-19 16:21:23,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 16:21:23,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:21:23,227 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) [2022-02-19 16:21:23,236 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 [2022-02-19 16:21:23,256 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 16:21:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 16:21:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 16:21:23,256 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 16:21:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 16:21:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 16:21:23,256 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 16:21:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 16:21:23,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 16:21:23,257 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-19 16:21:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-19 16:21:23,257 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-19 16:21:23,257 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 16:21:23,307 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 16:21:23,311 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 16:21:23,407 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 16:21:23,425 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 16:21:23,425 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 16:21:23,437 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:21:23 BoogieIcfgContainer [2022-02-19 16:21:23,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 16:21:23,438 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 16:21:23,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 16:21:23,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 16:21:23,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 04:21:23" (1/2) ... [2022-02-19 16:21:23,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637cb75e and model type ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:21:23, skipping insertion in model container [2022-02-19 16:21:23,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:21:23" (2/2) ... [2022-02-19 16:21:23,455 INFO L111 eAbstractionObserver]: Analyzing ICFG ring.wvr.bpl [2022-02-19 16:21:23,458 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 16:21:23,458 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 16:21:23,458 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 16:21:23,458 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 16:21:23,511 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-19 16:21:23,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 16:21:23,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:21:23,546 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) [2022-02-19 16:21:23,547 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 [2022-02-19 16:21:23,571 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 16:21:23,584 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-02-19 16:21:23,584 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-19 16:21:27,445 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 408233 transitions and produced 135331 states. [2022-02-19 16:21:27,448 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 16:21:27,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:21:27,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1654894987, now seen corresponding path program 1 times [2022-02-19 16:21:27,460 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:21:27,461 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059870882] [2022-02-19 16:21:27,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:21:27,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:21:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:21:27,913 INFO L134 CoverageAnalysis]: Checked inductivity of 6802 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 6705 trivial. 0 not checked. [2022-02-19 16:21:27,913 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:21:27,913 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059870882] [2022-02-19 16:21:27,914 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059870882] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 16:21:27,914 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 16:21:27,914 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-19 16:21:27,916 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30910656] [2022-02-19 16:21:27,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 16:21:27,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 16:21:27,923 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:21:27,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 16:21:27,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 16:21:27,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:21:27,993 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:21:27,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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) [2022-02-19 16:21:27,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:21:28,253 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 9651 transitions and produced 3611 states. [2022-02-19 16:21:28,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 16:21:28,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 16:21:28,254 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 16:21:28,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:21:28,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1707084956, now seen corresponding path program 2 times [2022-02-19 16:21:28,256 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:21:28,256 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708651225] [2022-02-19 16:21:28,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:21:28,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:21:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:21:28,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6047 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 5719 trivial. 0 not checked. [2022-02-19 16:21:28,873 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:21:28,873 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708651225] [2022-02-19 16:21:28,873 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708651225] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 16:21:28,873 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 16:21:28,873 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-19 16:21:28,874 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869989532] [2022-02-19 16:21:28,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 16:21:28,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-19 16:21:28,877 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:21:28,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-19 16:21:28,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-19 16:21:28,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:21:28,877 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:21:28,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 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) [2022-02-19 16:21:28,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 16:21:28,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:21:30,037 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 73371 transitions and produced 24716 states. [2022-02-19 16:21:30,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 16:21:30,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:21:30,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 16:21:30,038 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 16:21:30,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:21:30,039 INFO L85 PathProgramCache]: Analyzing trace with hash -198773002, now seen corresponding path program 3 times [2022-02-19 16:21:30,039 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:21:30,039 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929493506] [2022-02-19 16:21:30,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:21:30,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:21:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:21:30,330 INFO L134 CoverageAnalysis]: Checked inductivity of 5293 backedges. 448 proven. 2 refuted. 0 times theorem prover too weak. 4843 trivial. 0 not checked. [2022-02-19 16:21:30,330 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:21:30,330 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929493506] [2022-02-19 16:21:30,331 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929493506] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:21:30,331 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228951716] [2022-02-19 16:21:30,331 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 16:21:30,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:21:30,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:21:30,333 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) [2022-02-19 16:21:30,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 16:21:30,587 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2022-02-19 16:21:30,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:21:30,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-19 16:21:30,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:21:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 5293 backedges. 448 proven. 0 refuted. 0 times theorem prover too weak. 4845 trivial. 0 not checked. [2022-02-19 16:21:31,173 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-19 16:21:31,173 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228951716] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 16:21:31,173 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-19 16:21:31,174 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2022-02-19 16:21:31,174 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781217006] [2022-02-19 16:21:31,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 16:21:31,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-19 16:21:31,174 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:21:31,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-19 16:21:31,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-19 16:21:31,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:21:31,175 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:21:31,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-02-19 16:21:31,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 16:21:31,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:21:31,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:21:31,217 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1187 transitions and produced 726 states. [2022-02-19 16:21:31,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 16:21:31,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:21:31,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:21:31,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-19 16:21:31,431 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,SelfDestructingSolverStorable2 [2022-02-19 16:21:31,432 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 16:21:31,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:21:31,432 INFO L85 PathProgramCache]: Analyzing trace with hash -633261751, now seen corresponding path program 4 times [2022-02-19 16:21:31,432 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:21:31,433 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816130976] [2022-02-19 16:21:31,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:21:31,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:21:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:21:31,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 811 proven. 74 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked. [2022-02-19 16:21:31,607 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:21:31,607 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816130976] [2022-02-19 16:21:31,607 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816130976] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:21:31,608 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659025740] [2022-02-19 16:21:31,608 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 16:21:31,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:21:31,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:21:31,609 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) [2022-02-19 16:21:31,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 16:21:31,731 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 16:21:31,731 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:21:31,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-19 16:21:31,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:21:32,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 789 proven. 14 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2022-02-19 16:21:32,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:21:32,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 789 proven. 14 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2022-02-19 16:21:32,630 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659025740] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:21:32,630 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:21:32,630 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 5 [2022-02-19 16:21:32,630 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641676127] [2022-02-19 16:21:32,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:21:32,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 16:21:32,631 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:21:32,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 16:21:32,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-02-19 16:21:32,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:21:32,631 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:21:32,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 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) [2022-02-19 16:21:32,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 16:21:32,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:21:32,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:21:32,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:21:32,668 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 815 transitions and produced 544 states. [2022-02-19 16:21:32,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 16:21:32,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:21:32,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:21:32,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:21:32,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 16:21:32,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:21:32,889 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 16:21:32,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:21:32,890 INFO L85 PathProgramCache]: Analyzing trace with hash 975561598, now seen corresponding path program 5 times [2022-02-19 16:21:32,890 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:21:32,890 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432275306] [2022-02-19 16:21:32,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:21:32,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:21:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:21:33,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 316 proven. 151 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2022-02-19 16:21:33,088 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:21:33,088 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432275306] [2022-02-19 16:21:33,088 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432275306] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:21:33,088 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353790312] [2022-02-19 16:21:33,088 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 16:21:33,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:21:33,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:21:33,090 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) [2022-02-19 16:21:33,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 16:21:33,257 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2022-02-19 16:21:33,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:21:33,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 58 conjunts are in the unsatisfiable core [2022-02-19 16:21:33,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:21:33,606 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-19 16:21:33,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 153 proven. 79 refuted. 0 times theorem prover too weak. 1175 trivial. 0 not checked. [2022-02-19 16:21:33,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:21:33,690 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-19 16:21:33,691 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 11 [2022-02-19 16:21:33,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 153 proven. 79 refuted. 0 times theorem prover too weak. 1175 trivial. 0 not checked. [2022-02-19 16:21:33,987 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353790312] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:21:33,987 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:21:33,987 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 12 [2022-02-19 16:21:33,987 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779421842] [2022-02-19 16:21:33,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:21:33,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-19 16:21:33,988 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:21:33,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-19 16:21:33,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-02-19 16:21:33,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:21:33,989 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:21:33,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 12 states have internal predecessors, (82), 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) [2022-02-19 16:21:33,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 16:21:33,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:21:33,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:21:33,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:21:33,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:21:34,134 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 989 transitions and produced 626 states. [2022-02-19 16:21:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 16:21:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:21:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:21:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-19 16:21:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-19 16:21:34,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 16:21:34,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:21:34,352 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-19 16:21:34,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 16:21:34,352 INFO L85 PathProgramCache]: Analyzing trace with hash 570042455, now seen corresponding path program 6 times [2022-02-19 16:21:34,352 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 16:21:34,352 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939515172] [2022-02-19 16:21:34,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 16:21:34,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 16:21:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:21:38,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 26 proven. 896 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2022-02-19 16:21:38,726 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:21:38,726 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939515172] [2022-02-19 16:21:38,726 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939515172] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:21:38,726 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780180116] [2022-02-19 16:21:38,726 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 16:21:38,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:21:38,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:21:38,728 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) [2022-02-19 16:21:38,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 16:21:38,853 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2022-02-19 16:21:38,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:21:38,859 WARN L261 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 341 conjunts are in the unsatisfiable core [2022-02-19 16:21:38,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:23:19,396 INFO L353 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2022-02-19 16:23:19,396 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 271 treesize of output 163 [2022-02-19 16:23:23,836 INFO L353 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2022-02-19 16:23:23,836 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 271 treesize of output 163 [2022-02-19 16:23:24,739 INFO L353 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2022-02-19 16:23:24,739 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 357 treesize of output 145 [2022-02-19 16:23:25,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 1074 proven. 474 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-19 16:23:25,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:25:35,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,203 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,288 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 16:25:35,292 INFO L244 Elim1Store]: Index analysis took 149 ms [2022-02-19 16:25:36,788 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-19 16:25:36,789 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 273 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 105 case distinctions, treesize of input 462 treesize of output 1478 Received shutdown request... [2022-02-19 16:35:35,498 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 [2022-02-19 16:35:35,499 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 16:35:35,506 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-19 16:35:35,507 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 [2022-02-19 16:35:35,507 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-19 16:35:35,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-19 16:35:35,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:35:35,716 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 58ms.. [2022-02-19 16:35:35,717 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-19 16:35:35,718 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-19 16:35:35,718 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-19 16:35:35,724 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-02-19 16:35:35,725 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 16:35:35,725 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 16:35:35,727 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:35:35 BasicIcfg [2022-02-19 16:35:35,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 16:35:35,727 INFO L158 Benchmark]: Toolchain (without parser) took 852575.17ms. Allocated memory was 209.7MB in the beginning and 3.9GB in the end (delta: 3.7GB). Free memory was 174.6MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. [2022-02-19 16:35:35,727 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 209.7MB. Free memory is still 175.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 16:35:35,728 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.78ms. Allocated memory is still 209.7MB. Free memory was 174.5MB in the beginning and 172.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 16:35:35,728 INFO L158 Benchmark]: Boogie Preprocessor took 25.16ms. Allocated memory is still 209.7MB. Free memory was 172.9MB in the beginning and 171.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 16:35:35,728 INFO L158 Benchmark]: RCFGBuilder took 238.38ms. Allocated memory is still 209.7MB. Free memory was 171.9MB in the beginning and 161.2MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-19 16:35:35,728 INFO L158 Benchmark]: TraceAbstraction took 852288.85ms. Allocated memory was 209.7MB in the beginning and 3.9GB in the end (delta: 3.7GB). Free memory was 160.7MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. [2022-02-19 16:35:35,729 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 0.10ms. Allocated memory is still 209.7MB. Free memory is still 175.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.78ms. Allocated memory is still 209.7MB. Free memory was 174.5MB in the beginning and 172.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.16ms. Allocated memory is still 209.7MB. Free memory was 172.9MB in the beginning and 171.9MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 238.38ms. Allocated memory is still 209.7MB. Free memory was 171.9MB in the beginning and 161.2MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 852288.85ms. Allocated memory was 209.7MB in the beginning and 3.9GB in the end (delta: 3.7GB). Free memory was 160.7MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 2.8GB. 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: 104]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 58ms.. - TimeoutResultAtElement [Line: 98]: 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 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 58ms.. - TimeoutResultAtElement [Line: 97]: 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 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 58ms.. - TimeoutResultAtElement [Line: 97]: 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 243 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 58ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 71 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 852.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 5.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, 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: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 2641 NumberOfCodeBlocks, 2572 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 3145 ConstructedInterpolants, 0 QuantifiedInterpolants, 6891 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2215 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 33774/34187 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