/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-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 00:18:30,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 00:18:30,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 00:18:30,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-02 00:18:30,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 00:18:30,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 00:18:30,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 00:18:30,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 00:18:30,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 00:18:30,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 00:18:30,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 00:18:30,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 00:18:30,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 00:18:30,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 00:18:30,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 00:18:30,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 00:18:30,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 00:18:30,672 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-wrwc.epf [2022-03-02 00:18:30,688 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 00:18:30,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 00:18:30,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 00:18:30,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 00:18:30,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 00:18:30,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 00:18:30,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 00:18:30,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 00:18:30,689 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 00:18:30,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 00:18:30,690 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 00:18:30,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 00:18:30,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 00:18:30,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 00:18:30,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 00:18:30,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 00:18:30,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 00:18:30,690 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 00:18:30,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 00:18:30,690 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 00:18:30,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 00:18:30,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 00:18:30,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 00:18:30,691 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 00:18:30,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 00:18:30,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 00:18:30,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 00:18:30,691 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 00:18:30,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 00:18:30,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 00:18:30,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 00:18:30,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 00:18:30,692 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 00:18:30,692 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 00:18:30,692 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 00:18:30,692 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 00:18:30,693 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-03-02 00:18:30,693 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 00:18:30,693 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 00:18:30,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 00:18:30,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 00:18:30,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 00:18:30,939 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 00:18:30,940 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 00:18:30,941 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl [2022-03-02 00:18:30,941 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl' [2022-03-02 00:18:30,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 00:18:30,961 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 00:18:30,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 00:18:30,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 00:18:30,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 00:18:30,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:18:30" (1/1) ... [2022-03-02 00:18:30,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:18:30" (1/1) ... [2022-03-02 00:18:30,983 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 00:18:30,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 00:18:30,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 00:18:30,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 00:18:30,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 00:18:30,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:18:30" (1/1) ... [2022-03-02 00:18:30,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:18:30" (1/1) ... [2022-03-02 00:18:30,994 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:18:30" (1/1) ... [2022-03-02 00:18:30,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:18:30" (1/1) ... [2022-03-02 00:18:30,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:18:30" (1/1) ... [2022-03-02 00:18:30,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:18:30" (1/1) ... [2022-03-02 00:18:31,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:18:30" (1/1) ... [2022-03-02 00:18:31,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 00:18:31,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 00:18:31,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 00:18:31,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 00:18:31,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:18:30" (1/1) ... [2022-03-02 00:18:31,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 00:18:31,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:18:31,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-02 00:18:31,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-02 00:18:31,078 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 00:18:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 00:18:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 00:18:31,079 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 00:18:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 00:18:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 00:18:31,079 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 00:18:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 00:18:31,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 00:18:31,079 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 00:18:31,079 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 00:18:31,080 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 00:18:31,080 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 00:18:31,115 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 00:18:31,116 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 00:18:31,234 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 00:18:31,246 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 00:18:31,246 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 00:18:31,248 INFO L202 PluginConnector]: Adding new model sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 12:18:31 BoogieIcfgContainer [2022-03-02 00:18:31,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 00:18:31,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 00:18:31,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 00:18:31,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 00:18:31,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 12:18:30" (1/2) ... [2022-03-02 00:18:31,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51784bc4 and model type sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 12:18:31, skipping insertion in model container [2022-03-02 00:18:31,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 12:18:31" (2/2) ... [2022-03-02 00:18:31,259 INFO L111 eAbstractionObserver]: Analyzing ICFG sorted.wvr.bpl [2022-03-02 00:18:31,263 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 00:18:31,263 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 00:18:31,263 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 00:18:31,263 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 00:18:31,322 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 00:18:31,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 00:18:31,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:18:31,391 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) [2022-03-02 00:18:31,394 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 [2022-03-02 00:18:31,421 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 00:18:31,427 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=false [2022-03-02 00:18:31,427 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-02 00:18:31,639 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 593 transitions and produced 265 states. [2022-03-02 00:18:31,642 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:18:31,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:18:31,649 INFO L85 PathProgramCache]: Analyzing trace with hash -780755900, now seen corresponding path program 1 times [2022-03-02 00:18:31,665 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:18:31,666 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519170407] [2022-03-02 00:18:31,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:18:31,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:18:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:18:31,934 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-02 00:18:31,934 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:18:31,934 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519170407] [2022-03-02 00:18:31,935 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519170407] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:18:31,935 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151976281] [2022-03-02 00:18:31,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:18:31,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:18:31,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:18:31,937 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) [2022-03-02 00:18:31,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 00:18:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:18:31,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-02 00:18:31,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:18:32,288 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-02 00:18:32,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:18:32,481 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-02 00:18:32,482 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151976281] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:18:32,482 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:18:32,482 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2022-03-02 00:18:32,483 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291964824] [2022-03-02 00:18:32,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:18:32,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-02 00:18:32,489 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:18:32,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-02 00:18:32,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2022-03-02 00:18:32,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:18:32,511 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:18:32,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.45) internal successors, (69), 20 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 00:18:32,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:18:32,857 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 196 transitions and produced 144 states. [2022-03-02 00:18:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:18:32,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 00:18:33,070 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 [2022-03-02 00:18:33,071 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:18:33,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:18:33,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1626785502, now seen corresponding path program 2 times [2022-03-02 00:18:33,072 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:18:33,072 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603180831] [2022-03-02 00:18:33,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:18:33,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:18:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:18:33,186 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:18:33,187 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:18:33,187 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603180831] [2022-03-02 00:18:33,187 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603180831] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:18:33,187 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706525642] [2022-03-02 00:18:33,188 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 00:18:33,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:18:33,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:18:33,192 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) [2022-03-02 00:18:33,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 00:18:33,235 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 00:18:33,236 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:18:33,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-02 00:18:33,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:18:33,409 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:18:33,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:18:33,624 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:18:33,625 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706525642] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:18:33,625 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:18:33,625 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-03-02 00:18:33,625 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308062277] [2022-03-02 00:18:33,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:18:33,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-03-02 00:18:33,626 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:18:33,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-03-02 00:18:33,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2022-03-02 00:18:33,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:18:33,627 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:18:33,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.0) internal successors, (72), 24 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 00:18:33,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:18:33,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:18:33,965 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 207 transitions and produced 155 states. [2022-03-02 00:18:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:18:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:18:33,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-02 00:18:34,166 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 [2022-03-02 00:18:34,166 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:18:34,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:18:34,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1382553216, now seen corresponding path program 3 times [2022-03-02 00:18:34,167 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:18:34,167 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739786413] [2022-03-02 00:18:34,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:18:34,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:18:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:18:35,204 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:18:35,205 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:18:35,205 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739786413] [2022-03-02 00:18:35,206 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739786413] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:18:35,210 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576207061] [2022-03-02 00:18:35,211 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 00:18:35,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:18:35,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:18:35,228 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) [2022-03-02 00:18:35,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 00:18:35,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-03-02 00:18:35,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:18:35,270 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 39 conjunts are in the unsatisfiable core [2022-03-02 00:18:35,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:18:37,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:37,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:37,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:37,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:37,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:37,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:37,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:37,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:37,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:37,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:37,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:37,269 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 90 [2022-03-02 00:18:37,529 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:18:37,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:18:39,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,627 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:39,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:39,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:18:39,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:18:39,697 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 00:18:39,697 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 13 disjoint index pairs (out of 55 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 168 treesize of output 238 [2022-03-02 00:18:43,759 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:18:43,760 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576207061] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:18:43,760 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:18:43,760 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 51 [2022-03-02 00:18:43,760 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938765148] [2022-03-02 00:18:43,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:18:43,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-03-02 00:18:43,776 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:18:43,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-03-02 00:18:43,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=2193, Unknown=0, NotChecked=0, Total=2550 [2022-03-02 00:18:43,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:18:43,777 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:18:43,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 1.803921568627451) internal successors, (92), 51 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 00:18:43,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:18:43,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:18:43,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:19:02,511 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 203 transitions and produced 181 states. [2022-03-02 00:19:02,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:19:02,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:19:02,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-03-02 00:19:02,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-02 00:19:02,725 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 [2022-03-02 00:19:02,726 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:19:02,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:19:02,726 INFO L85 PathProgramCache]: Analyzing trace with hash -893231052, now seen corresponding path program 4 times [2022-03-02 00:19:02,727 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:19:02,727 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478494690] [2022-03-02 00:19:02,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:19:02,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:19:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:19:02,881 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 49 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:19:02,882 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:19:02,882 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478494690] [2022-03-02 00:19:02,882 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478494690] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:19:02,882 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635967194] [2022-03-02 00:19:02,882 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 00:19:02,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:19:02,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:19:02,890 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) [2022-03-02 00:19:02,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 00:19:02,925 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 00:19:02,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:19:02,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-02 00:19:02,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:19:03,254 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 64 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:19:03,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:19:03,619 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 64 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:19:03,620 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635967194] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:19:03,620 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:19:03,620 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 48 [2022-03-02 00:19:03,620 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946685407] [2022-03-02 00:19:03,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:19:03,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-03-02 00:19:03,621 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:19:03,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-03-02 00:19:03,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=1804, Unknown=0, NotChecked=0, Total=2256 [2022-03-02 00:19:03,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:19:03,622 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:19:03,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.5625) internal successors, (123), 48 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 00:19:03,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:19:03,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:19:03,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-03-02 00:19:03,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:19:04,779 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 275 transitions and produced 260 states. [2022-03-02 00:19:04,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:19:04,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:19:04,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-03-02 00:19:04,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-02 00:19:04,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-02 00:19:04,981 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 [2022-03-02 00:19:04,981 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:19:04,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:19:04,982 INFO L85 PathProgramCache]: Analyzing trace with hash -178212572, now seen corresponding path program 5 times [2022-03-02 00:19:04,982 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:19:04,982 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236589615] [2022-03-02 00:19:04,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:19:04,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:19:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:19:05,221 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 90 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:19:05,221 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:19:05,221 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236589615] [2022-03-02 00:19:05,221 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236589615] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:19:05,222 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205664007] [2022-03-02 00:19:05,222 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 00:19:05,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:19:05,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:19:05,228 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) [2022-03-02 00:19:05,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 00:19:05,281 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-03-02 00:19:05,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:19:05,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 25 conjunts are in the unsatisfiable core [2022-03-02 00:19:05,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:19:05,792 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 90 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:19:05,792 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:19:06,429 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 109 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:19:06,430 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205664007] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 00:19:06,430 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 00:19:06,430 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 71 [2022-03-02 00:19:06,430 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581348732] [2022-03-02 00:19:06,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 00:19:06,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-03-02 00:19:06,431 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 00:19:06,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-03-02 00:19:06,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=930, Invalid=4040, Unknown=0, NotChecked=0, Total=4970 [2022-03-02 00:19:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:19:06,433 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 00:19:06,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 2.352112676056338) internal successors, (167), 71 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 00:19:06,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:19:06,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:19:06,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-03-02 00:19:06,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-03-02 00:19:06,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 00:19:13,815 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2778 transitions and produced 1115 states. [2022-03-02 00:19:13,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 00:19:13,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 00:19:13,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2022-03-02 00:19:13,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2022-03-02 00:19:13,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-02 00:19:13,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-02 00:19:14,016 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 [2022-03-02 00:19:14,016 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 00:19:14,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 00:19:14,016 INFO L85 PathProgramCache]: Analyzing trace with hash -217299044, now seen corresponding path program 6 times [2022-03-02 00:19:14,017 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 00:19:14,017 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743246135] [2022-03-02 00:19:14,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 00:19:14,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 00:19:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 00:19:18,549 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 46 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:19:18,549 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 00:19:18,549 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743246135] [2022-03-02 00:19:18,549 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743246135] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 00:19:18,549 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912068672] [2022-03-02 00:19:18,549 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 00:19:18,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 00:19:18,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 00:19:18,551 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) [2022-03-02 00:19:18,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-02 00:19:18,616 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2022-03-02 00:19:18,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 00:19:18,617 WARN L261 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 91 conjunts are in the unsatisfiable core [2022-03-02 00:19:18,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 00:19:34,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:19:34,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:19:34,859 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 00:19:34,860 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 143 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 11 case distinctions, treesize of input 462 treesize of output 332 [2022-03-02 00:19:41,349 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 00:19:41,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 00:20:36,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:20:36,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,828 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,833 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,835 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,849 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,861 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:20:36,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:20:36,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 00:20:36,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 00:20:46,927 WARN L228 SmtUtils]: Spent 10.04s on a formula simplification. DAG size of input: 1120 DAG size of output: 900 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-02 00:20:46,929 INFO L353 Elim1Store]: treesize reduction 992, result has 67.4 percent of original size [2022-03-02 00:20:46,930 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 61 disjoint index pairs (out of 435 index pairs), introduced 26 new quantified variables, introduced 352 case distinctions, treesize of input 1336 treesize of output 2532 Received shutdown request... [2022-03-02 00:32:31,554 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 00:32:31,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-02 00:32:31,590 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 [2022-03-02 00:32:31,590 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 [2022-03-02 00:32:31,591 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 [2022-03-02 00:32:31,768 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 [2022-03-02 00:32:31,769 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-3-2-16-3-16-2-16-2-16-3-16-11-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-16-3-16-2-16-2-16-3-16-11-1 context. [2022-03-02 00:32:31,770 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 00:32:31,770 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 00:32:31,770 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 00:32:31,774 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-02 00:32:31,775 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 00:32:31,776 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 00:32:31,777 INFO L202 PluginConnector]: Adding new model sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 12:32:31 BasicIcfg [2022-03-02 00:32:31,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 00:32:31,777 INFO L158 Benchmark]: Toolchain (without parser) took 840816.27ms. Allocated memory was 177.2MB in the beginning and 739.2MB in the end (delta: 562.0MB). Free memory was 137.3MB in the beginning and 572.7MB in the end (delta: -435.4MB). Peak memory consumption was 476.4MB. Max. memory is 8.0GB. [2022-03-02 00:32:31,778 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 177.2MB. Free memory was 138.5MB in the beginning and 138.4MB in the end (delta: 73.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 00:32:31,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.50ms. Allocated memory is still 177.2MB. Free memory was 137.2MB in the beginning and 135.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 00:32:31,778 INFO L158 Benchmark]: Boogie Preprocessor took 17.75ms. Allocated memory is still 177.2MB. Free memory was 135.7MB in the beginning and 134.7MB in the end (delta: 998.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 00:32:31,778 INFO L158 Benchmark]: RCFGBuilder took 244.86ms. Allocated memory is still 177.2MB. Free memory was 134.6MB in the beginning and 124.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-02 00:32:31,778 INFO L158 Benchmark]: TraceAbstraction took 840525.36ms. Allocated memory was 177.2MB in the beginning and 739.2MB in the end (delta: 562.0MB). Free memory was 124.1MB in the beginning and 572.7MB in the end (delta: -448.6MB). Peak memory consumption was 463.8MB. Max. memory is 8.0GB. [2022-03-02 00:32:31,779 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 0.12ms. Allocated memory is still 177.2MB. Free memory was 138.5MB in the beginning and 138.4MB in the end (delta: 73.3kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.50ms. Allocated memory is still 177.2MB. Free memory was 137.2MB in the beginning and 135.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.75ms. Allocated memory is still 177.2MB. Free memory was 135.7MB in the beginning and 134.7MB in the end (delta: 998.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 244.86ms. Allocated memory is still 177.2MB. Free memory was 134.6MB in the beginning and 124.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 840525.36ms. Allocated memory was 177.2MB in the beginning and 739.2MB in the end (delta: 562.0MB). Free memory was 124.1MB in the beginning and 572.7MB in the end (delta: -448.6MB). Peak memory consumption was 463.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-3-2-16-3-16-2-16-2-16-3-16-11-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-16-3-16-2-16-2-16-3-16-11-1 context. - TimeoutResultAtElement [Line: 62]: 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 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-3-2-16-3-16-2-16-2-16-3-16-11-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-16-3-16-2-16-2-16-3-16-11-1 context. - TimeoutResultAtElement [Line: 62]: 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 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-3-2-16-3-16-2-16-2-16-3-16-11-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-16-3-16-2-16-2-16-3-16-11-1 context. - TimeoutResultAtElement [Line: 63]: 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 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-3-2-16-3-16-2-16-2-16-3-16-11-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-16-3-16-2-16-2-16-3-16-11-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 840.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 28.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 410, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 12.8s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 642 ConstructedInterpolants, 0 QuantifiedInterpolants, 9784 SizeOfPredicates, 40 NumberOfNonLiveVariables, 458 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 503/1011 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