/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 19:43:11,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 19:43:11,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 19:43:11,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 19:43:11,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-15 19:43:11,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-15 19:43:11,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-15 19:43:11,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-15 19:43:11,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-15 19:43:11,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-15 19:43:11,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-15 19:43:11,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-15 19:43:11,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-15 19:43:11,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-15 19:43:11,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-15 19:43:11,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-15 19:43:11,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-15 19:43:11,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 19:43:11,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 19:43:11,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 19:43:11,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2022-02-15 19:43:11,153 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 19:43:11,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 19:43:11,154 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 19:43:11,154 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 19:43:11,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 19:43:11,155 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 19:43:11,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 19:43:11,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 19:43:11,155 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 19:43:11,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 19:43:11,156 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 19:43:11,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 19:43:11,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 19:43:11,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 19:43:11,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 19:43:11,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 19:43:11,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 19:43:11,157 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 19:43:11,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 19:43:11,158 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 19:43:11,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 19:43:11,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 19:43:11,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 19:43:11,161 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 19:43:11,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 19:43:11,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 19:43:11,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 19:43:11,163 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-15 19:43:11,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 19:43:11,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 19:43:11,163 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 19:43:11,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 19:43:11,164 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 19:43:11,164 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-15 19:43:11,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 19:43:11,164 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-15 19:43:11,164 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 19:43:11,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 19:43:11,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 19:43:11,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 19:43:11,336 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-15 19:43:11,339 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-15 19:43:11,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl [2022-02-15 19:43:11,340 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl' [2022-02-15 19:43:11,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 19:43:11,369 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-15 19:43:11,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 19:43:11,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 19:43:11,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 19:43:11,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:43:11" (1/1) ... [2022-02-15 19:43:11,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:43:11" (1/1) ... [2022-02-15 19:43:11,391 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-15 19:43:11,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 19:43:11,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 19:43:11,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 19:43:11,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 19:43:11,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:43:11" (1/1) ... [2022-02-15 19:43:11,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:43:11" (1/1) ... [2022-02-15 19:43:11,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:43:11" (1/1) ... [2022-02-15 19:43:11,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:43:11" (1/1) ... [2022-02-15 19:43:11,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:43:11" (1/1) ... [2022-02-15 19:43:11,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:43:11" (1/1) ... [2022-02-15 19:43:11,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:43:11" (1/1) ... [2022-02-15 19:43:11,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 19:43:11,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 19:43:11,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 19:43:11,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 19:43:11,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:43:11" (1/1) ... [2022-02-15 19:43:11,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 19:43:11,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:43:11,427 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) [2022-02-15 19:43:11,429 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 [2022-02-15 19:43:11,452 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-15 19:43:11,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-15 19:43:11,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-15 19:43:11,452 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-15 19:43:11,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-15 19:43:11,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-15 19:43:11,452 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-15 19:43:11,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 19:43:11,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 19:43:11,453 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-15 19:43:11,453 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-15 19:43:11,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-15 19:43:11,453 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-02-15 19:43:11,454 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-15 19:43:11,454 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-15 19:43:11,455 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 19:43:11,488 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 19:43:11,489 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 19:43:11,552 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 19:43:11,569 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 19:43:11,569 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-15 19:43:11,569 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2022-02-15 19:43:11,570 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2022-02-15 19:43:11,570 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2022-02-15 19:43:11,571 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 07:43:11 BoogieIcfgContainer [2022-02-15 19:43:11,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 19:43:11,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 19:43:11,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 19:43:11,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 19:43:11,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 07:43:11" (1/2) ... [2022-02-15 19:43:11,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb89441 and model type parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 07:43:11, skipping insertion in model container [2022-02-15 19:43:11,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 07:43:11" (2/2) ... [2022-02-15 19:43:11,576 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-equiv.wvr.bpl [2022-02-15 19:43:11,579 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 19:43:11,579 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 19:43:11,579 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 19:43:11,579 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 19:43:11,609 INFO L148 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2022-02-15 19:43:11,646 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-15 19:43:11,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:43:11,648 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) [2022-02-15 19:43:11,649 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 [2022-02-15 19:43:11,669 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 19:43:11,677 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 [2022-02-15 19:43:11,678 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-15 19:43:11,758 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:43:11,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:43:11,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1893381519, now seen corresponding path program 1 times [2022-02-15 19:43:11,771 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:43:11,772 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383137408] [2022-02-15 19:43:11,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:43:11,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:43:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:43:11,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:11,917 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:43:11,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383137408] [2022-02-15 19:43:11,918 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383137408] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 19:43:11,918 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 19:43:11,918 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-15 19:43:11,919 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641850678] [2022-02-15 19:43:11,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 19:43:11,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-15 19:43:11,922 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:43:11,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-15 19:43:11,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-15 19:43:11,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:11,968 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:43:11,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2022-02-15 19:43:11,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:12,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 19:43:12,054 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:43:12,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:43:12,055 INFO L85 PathProgramCache]: Analyzing trace with hash 253264815, now seen corresponding path program 1 times [2022-02-15 19:43:12,055 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:43:12,055 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133438534] [2022-02-15 19:43:12,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:43:12,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:43:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:43:12,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:12,096 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:43:12,097 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133438534] [2022-02-15 19:43:12,097 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133438534] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:43:12,097 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336683987] [2022-02-15 19:43:12,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:43:12,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:12,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:43:12,100 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) [2022-02-15 19:43:12,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-15 19:43:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:43:12,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-15 19:43:12,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:43:12,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:12,240 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:43:12,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:12,302 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336683987] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:43:12,302 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:43:12,302 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2022-02-15 19:43:12,303 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446825475] [2022-02-15 19:43:12,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:43:12,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-15 19:43:12,304 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:43:12,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-15 19:43:12,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-15 19:43:12,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:12,305 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:43:12,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2022-02-15 19:43:12,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:12,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:12,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:12,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:12,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-15 19:43:12,600 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,SelfDestructingSolverStorable1 [2022-02-15 19:43:12,600 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:43:12,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:43:12,601 INFO L85 PathProgramCache]: Analyzing trace with hash -876502895, now seen corresponding path program 1 times [2022-02-15 19:43:12,602 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:43:12,602 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136852370] [2022-02-15 19:43:12,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:43:12,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:43:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:43:12,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:12,797 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:43:12,798 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136852370] [2022-02-15 19:43:12,798 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136852370] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:43:12,799 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121959758] [2022-02-15 19:43:12,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:43:12,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:12,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:43:12,804 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) [2022-02-15 19:43:12,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-15 19:43:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:43:12,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2022-02-15 19:43:12,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:43:12,996 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 16 treesize of output 10 [2022-02-15 19:43:13,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:13,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:43:13,169 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 19:43:13,172 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 11 treesize of output 16 [2022-02-15 19:43:13,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:43:13,190 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2022-02-15 19:43:13,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:13,218 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121959758] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:43:13,218 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:43:13,218 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 13 [2022-02-15 19:43:13,218 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025770776] [2022-02-15 19:43:13,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:43:13,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-15 19:43:13,219 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:43:13,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-15 19:43:13,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-02-15 19:43:13,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:13,220 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:43:13,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 13 states have internal predecessors, (29), 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) [2022-02-15 19:43:13,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:13,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:13,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:13,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-15 19:43:13,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:13,629 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:43:13,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:43:13,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1088031439, now seen corresponding path program 2 times [2022-02-15 19:43:13,629 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:43:13,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367092179] [2022-02-15 19:43:13,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:43:13,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:43:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:43:13,676 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:13,677 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:43:13,677 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367092179] [2022-02-15 19:43:13,677 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367092179] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:43:13,677 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728385430] [2022-02-15 19:43:13,677 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-15 19:43:13,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:13,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:43:13,678 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) [2022-02-15 19:43:13,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-15 19:43:13,709 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-15 19:43:13,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 19:43:13,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-15 19:43:13,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:43:13,763 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:13,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:43:13,796 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:13,797 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728385430] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:43:13,797 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:43:13,797 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 9 [2022-02-15 19:43:13,797 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012019196] [2022-02-15 19:43:13,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:43:13,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-15 19:43:13,797 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:43:13,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-15 19:43:13,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-15 19:43:13,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:13,798 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:43:13,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 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) [2022-02-15 19:43:13,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:13,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:13,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:13,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:13,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:13,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:13,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:13,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:13,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-15 19:43:14,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:14,088 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:43:14,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:43:14,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1824661583, now seen corresponding path program 3 times [2022-02-15 19:43:14,088 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:43:14,088 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145559370] [2022-02-15 19:43:14,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:43:14,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:43:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:43:14,360 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:14,361 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:43:14,361 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145559370] [2022-02-15 19:43:14,361 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145559370] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:43:14,361 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501968354] [2022-02-15 19:43:14,361 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-15 19:43:14,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:14,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:43:14,362 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) [2022-02-15 19:43:14,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-15 19:43:14,390 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-15 19:43:14,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 19:43:14,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-15 19:43:14,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:43:14,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:43:14,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:43:14,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:14,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:14,768 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2022-02-15 19:43:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:14,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:43:15,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:15,166 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 19:43:15,167 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 54 [2022-02-15 19:43:15,286 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:15,286 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501968354] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:43:15,286 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:43:15,287 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 30 [2022-02-15 19:43:15,287 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265197805] [2022-02-15 19:43:15,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:43:15,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-15 19:43:15,287 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:43:15,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-15 19:43:15,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2022-02-15 19:43:15,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:15,288 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:43:15,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 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) [2022-02-15 19:43:15,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:15,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:15,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:15,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:15,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:15,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:15,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:15,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:15,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:15,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:15,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-15 19:43:15,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:15,743 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:43:15,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:43:15,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1787102481, now seen corresponding path program 4 times [2022-02-15 19:43:15,744 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:43:15,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719919720] [2022-02-15 19:43:15,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:43:15,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:43:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:43:15,790 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:15,790 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:43:15,790 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719919720] [2022-02-15 19:43:15,790 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719919720] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:43:15,790 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721043769] [2022-02-15 19:43:15,790 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-15 19:43:15,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:15,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:43:15,793 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 19:43:15,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-15 19:43:15,819 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-15 19:43:15,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 19:43:15,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-15 19:43:15,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:43:15,875 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:15,875 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:43:15,924 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:15,925 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721043769] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:43:15,925 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:43:15,925 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2022-02-15 19:43:15,925 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264733032] [2022-02-15 19:43:15,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:43:15,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-15 19:43:15,926 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:43:15,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-15 19:43:15,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-02-15 19:43:15,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:15,927 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:43:15,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 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) [2022-02-15 19:43:15,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:15,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:15,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:15,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:15,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:15,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:16,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:16,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:16,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:16,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:16,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:16,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:43:16,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-15 19:43:16,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:16,228 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:43:16,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:43:16,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1130579921, now seen corresponding path program 5 times [2022-02-15 19:43:16,228 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:43:16,229 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532669601] [2022-02-15 19:43:16,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:43:16,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:43:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:43:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:16,611 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:43:16,611 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532669601] [2022-02-15 19:43:16,611 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532669601] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:43:16,611 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984683007] [2022-02-15 19:43:16,611 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-15 19:43:16,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:16,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:43:16,612 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 19:43:16,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-15 19:43:16,645 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-02-15 19:43:16,645 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 19:43:16,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 45 conjunts are in the unsatisfiable core [2022-02-15 19:43:16,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:43:16,947 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2022-02-15 19:43:17,002 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:17,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:43:17,354 INFO L353 Elim1Store]: treesize reduction 48, result has 62.2 percent of original size [2022-02-15 19:43:17,354 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 28 treesize of output 89 [2022-02-15 19:43:17,589 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:17,590 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984683007] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:43:17,590 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:43:17,590 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 16] total 41 [2022-02-15 19:43:17,590 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909854492] [2022-02-15 19:43:17,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:43:17,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-02-15 19:43:17,590 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:43:17,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-02-15 19:43:17,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1515, Unknown=0, NotChecked=0, Total=1640 [2022-02-15 19:43:17,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:17,591 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:43:17,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 41 states have internal predecessors, (60), 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) [2022-02-15 19:43:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:43:17,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:19,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:19,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:19,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:19,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:19,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:19,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:43:19,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:43:19,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-15 19:43:19,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:19,224 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:43:19,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:43:19,224 INFO L85 PathProgramCache]: Analyzing trace with hash -789899023, now seen corresponding path program 6 times [2022-02-15 19:43:19,224 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:43:19,225 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601012393] [2022-02-15 19:43:19,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:43:19,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:43:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:43:19,727 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:19,728 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:43:19,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601012393] [2022-02-15 19:43:19,728 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601012393] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:43:19,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1146703634] [2022-02-15 19:43:19,728 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-15 19:43:19,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:19,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:43:19,730 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 19:43:19,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-15 19:43:19,761 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-02-15 19:43:19,761 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 19:43:19,762 WARN L261 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 58 conjunts are in the unsatisfiable core [2022-02-15 19:43:19,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:43:20,503 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:20,504 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2022-02-15 19:43:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:20,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:43:21,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:21,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:21,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:21,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:21,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:21,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:21,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:21,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:21,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:21,606 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 19:43:21,607 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 13 case distinctions, treesize of input 34 treesize of output 141 [2022-02-15 19:43:21,851 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:21,851 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1146703634] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:43:21,851 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:43:21,852 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21, 21] total 58 [2022-02-15 19:43:21,852 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104507971] [2022-02-15 19:43:21,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:43:21,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-02-15 19:43:21,852 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:43:21,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-02-15 19:43:21,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=3067, Unknown=0, NotChecked=0, Total=3306 [2022-02-15 19:43:21,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:21,854 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:43:21,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 1.3448275862068966) internal successors, (78), 58 states have internal predecessors, (78), 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) [2022-02-15 19:43:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:43:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:43:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:23,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:43:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:43:23,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:43:23,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-15 19:43:23,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-02-15 19:43:23,438 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:43:23,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:43:23,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1718621743, now seen corresponding path program 7 times [2022-02-15 19:43:23,438 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:43:23,438 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948753663] [2022-02-15 19:43:23,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:43:23,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:43:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:43:23,510 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:23,510 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:43:23,510 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948753663] [2022-02-15 19:43:23,510 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948753663] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:43:23,510 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674873980] [2022-02-15 19:43:23,510 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-15 19:43:23,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:23,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:43:23,511 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 19:43:23,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-15 19:43:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:43:23,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-15 19:43:23,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:43:23,642 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:23,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:43:23,710 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:23,711 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674873980] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:43:23,711 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:43:23,711 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 18 [2022-02-15 19:43:23,711 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417670520] [2022-02-15 19:43:23,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:43:23,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-15 19:43:23,711 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:43:23,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-15 19:43:23,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2022-02-15 19:43:23,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:23,712 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:43:23,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 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) [2022-02-15 19:43:23,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:23,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:23,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:23,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:23,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:23,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:43:23,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:43:23,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:43:23,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:23,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:23,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:23,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:23,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:23,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:23,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:43:23,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:43:23,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:43:23,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:43:23,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-15 19:43:24,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:24,114 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:43:24,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:43:24,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1417768175, now seen corresponding path program 8 times [2022-02-15 19:43:24,114 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:43:24,115 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186899114] [2022-02-15 19:43:24,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:43:24,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:43:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:43:24,687 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:24,687 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:43:24,688 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186899114] [2022-02-15 19:43:24,688 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186899114] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:43:24,688 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062003813] [2022-02-15 19:43:24,688 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-15 19:43:24,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:24,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:43:24,689 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 19:43:24,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-15 19:43:24,719 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-15 19:43:24,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 19:43:24,720 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 70 conjunts are in the unsatisfiable core [2022-02-15 19:43:24,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:43:25,743 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:25,744 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2022-02-15 19:43:25,830 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:25,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:43:27,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:27,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:27,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:27,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:27,475 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:27,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:27,478 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:27,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:27,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:27,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:43:27,597 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 19:43:27,598 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 20 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 86 treesize of output 271 [2022-02-15 19:43:28,935 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:28,935 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062003813] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:43:28,935 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:43:28,935 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 25] total 70 [2022-02-15 19:43:28,935 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445934505] [2022-02-15 19:43:28,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:43:28,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-02-15 19:43:28,936 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:43:28,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-02-15 19:43:28,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=4607, Unknown=0, NotChecked=0, Total=4830 [2022-02-15 19:43:28,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:28,937 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:43:28,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 70 states have internal predecessors, (87), 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) [2022-02-15 19:43:28,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:28,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:28,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:28,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:28,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:28,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:43:28,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:43:28,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:43:28,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:43:28,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:30,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:30,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:30,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:30,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:30,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:30,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:43:30,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:43:30,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:43:30,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:43:30,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:43:30,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-15 19:43:30,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-15 19:43:30,710 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:43:30,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:43:30,711 INFO L85 PathProgramCache]: Analyzing trace with hash -811155121, now seen corresponding path program 9 times [2022-02-15 19:43:30,711 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:43:30,711 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140972056] [2022-02-15 19:43:30,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:43:30,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:43:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:43:30,787 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:30,788 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:43:30,788 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140972056] [2022-02-15 19:43:30,788 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140972056] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:43:30,788 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598191184] [2022-02-15 19:43:30,788 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-15 19:43:30,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:30,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:43:30,789 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 19:43:30,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-15 19:43:30,826 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-02-15 19:43:30,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 19:43:30,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-15 19:43:30,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:43:30,957 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:30,958 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:43:31,022 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:31,023 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598191184] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:43:31,023 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:43:31,023 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 21 [2022-02-15 19:43:31,023 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222139076] [2022-02-15 19:43:31,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:43:31,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-15 19:43:31,024 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:43:31,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-15 19:43:31,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2022-02-15 19:43:31,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:31,024 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:43:31,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.380952380952381) internal successors, (50), 21 states have internal predecessors, (50), 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) [2022-02-15 19:43:31,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:31,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:31,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:43:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:43:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:43:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:43:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:43:31,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:31,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:31,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:31,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:31,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:31,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:31,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:43:31,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:43:31,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:43:31,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:43:31,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:43:31,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:43:31,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-02-15 19:43:31,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-15 19:43:31,416 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:43:31,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:43:31,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1581844943, now seen corresponding path program 10 times [2022-02-15 19:43:31,417 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:43:31,417 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626229504] [2022-02-15 19:43:31,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:43:31,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:43:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:43:32,205 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:32,205 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:43:32,205 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626229504] [2022-02-15 19:43:32,205 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626229504] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:43:32,205 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173774631] [2022-02-15 19:43:32,205 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-15 19:43:32,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:32,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:43:32,206 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 19:43:32,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-15 19:43:32,240 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-15 19:43:32,240 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 19:43:32,241 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 81 conjunts are in the unsatisfiable core [2022-02-15 19:43:32,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:43:33,397 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2022-02-15 19:43:33,504 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:33,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:43:35,221 INFO L353 Elim1Store]: treesize reduction 222, result has 59.0 percent of original size [2022-02-15 19:43:35,221 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 51 case distinctions, treesize of input 61 treesize of output 344 [2022-02-15 19:43:36,502 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:36,502 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173774631] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:43:36,502 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:43:36,502 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 28, 28] total 79 [2022-02-15 19:43:36,502 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462356356] [2022-02-15 19:43:36,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:43:36,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-02-15 19:43:36,503 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:43:36,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-02-15 19:43:36,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=5934, Unknown=0, NotChecked=0, Total=6162 [2022-02-15 19:43:36,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:36,505 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:43:36,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 79 states have internal predecessors, (97), 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) [2022-02-15 19:43:36,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:36,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:36,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:36,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:36,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:36,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:43:36,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:43:36,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:43:36,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:43:36,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:43:36,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:43:36,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:38,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:43:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:43:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:43:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:43:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:43:38,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:43:38,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:43:38,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-15 19:43:39,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-15 19:43:39,150 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:43:39,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:43:39,150 INFO L85 PathProgramCache]: Analyzing trace with hash -41822865, now seen corresponding path program 11 times [2022-02-15 19:43:39,150 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:43:39,150 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653699702] [2022-02-15 19:43:39,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:43:39,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:43:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:43:39,285 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:39,285 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:43:39,285 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653699702] [2022-02-15 19:43:39,285 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653699702] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:43:39,285 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314893984] [2022-02-15 19:43:39,285 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-15 19:43:39,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:39,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:43:39,294 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 19:43:39,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-15 19:43:39,328 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-02-15 19:43:39,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 19:43:39,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-15 19:43:39,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:43:39,479 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:39,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:43:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:39,544 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314893984] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:43:39,544 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:43:39,544 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 24 [2022-02-15 19:43:39,545 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071525274] [2022-02-15 19:43:39,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:43:39,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-15 19:43:39,545 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:43:39,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-15 19:43:39,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2022-02-15 19:43:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:39,546 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:43:39,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.3333333333333335) internal successors, (56), 24 states have internal predecessors, (56), 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) [2022-02-15 19:43:39,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:39,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:39,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:39,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:39,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:39,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:43:39,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:43:39,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:43:39,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:43:39,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:43:39,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:43:39,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:43:39,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:39,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:39,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:39,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:39,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:39,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:39,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:43:39,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:43:39,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:43:39,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:43:39,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:43:39,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:43:39,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:43:39,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-15 19:43:39,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-15 19:43:39,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-02-15 19:43:39,993 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:43:39,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:43:39,993 INFO L85 PathProgramCache]: Analyzing trace with hash -987921839, now seen corresponding path program 12 times [2022-02-15 19:43:39,993 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:43:39,994 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556332481] [2022-02-15 19:43:39,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:43:39,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:43:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:43:40,928 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 20 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:40,928 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:43:40,928 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556332481] [2022-02-15 19:43:40,928 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556332481] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:43:40,929 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438175870] [2022-02-15 19:43:40,929 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-15 19:43:40,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:40,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:43:40,930 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 19:43:40,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-15 19:43:40,964 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2022-02-15 19:43:40,964 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 19:43:40,969 WARN L261 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 93 conjunts are in the unsatisfiable core [2022-02-15 19:43:40,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:43:42,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:43:42,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:43:42,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:43:42,650 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 19:43:42,650 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 13 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 23 case distinctions, treesize of input 77 treesize of output 255 [2022-02-15 19:43:43,857 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:43,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:43:46,586 INFO L353 Elim1Store]: treesize reduction 150, result has 59.6 percent of original size [2022-02-15 19:43:46,587 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 35 case distinctions, treesize of input 44 treesize of output 235 [2022-02-15 19:43:47,327 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:47,327 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438175870] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:43:47,327 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:43:47,327 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 91 [2022-02-15 19:43:47,327 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780102112] [2022-02-15 19:43:47,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:43:47,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2022-02-15 19:43:47,327 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:43:47,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2022-02-15 19:43:47,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=457, Invalid=7733, Unknown=0, NotChecked=0, Total=8190 [2022-02-15 19:43:47,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:47,329 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:43:47,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 1.2087912087912087) internal successors, (110), 91 states have internal predecessors, (110), 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) [2022-02-15 19:43:47,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:43:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:43:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:43:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:43:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:43:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:43:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:43:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-15 19:43:47,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:43:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:43:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:43:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:43:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:43:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:43:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:43:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:43:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:43:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:43:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:43:53,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:43:53,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-15 19:43:53,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-15 19:43:53,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-15 19:43:53,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:53,638 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:43:53,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:43:53,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1311471473, now seen corresponding path program 13 times [2022-02-15 19:43:53,639 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:43:53,639 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513785386] [2022-02-15 19:43:53,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:43:53,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:43:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:43:54,742 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 26 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:54,742 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:43:54,742 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513785386] [2022-02-15 19:43:54,742 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513785386] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:43:54,742 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028896456] [2022-02-15 19:43:54,743 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-15 19:43:54,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:43:54,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:43:54,744 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 19:43:54,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-15 19:43:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:43:54,787 WARN L261 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 105 conjunts are in the unsatisfiable core [2022-02-15 19:43:54,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:43:56,416 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 31 [2022-02-15 19:43:56,499 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:43:56,499 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:43:59,436 INFO L353 Elim1Store]: treesize reduction 408, result has 58.2 percent of original size [2022-02-15 19:43:59,437 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 92 case distinctions, treesize of input 70 treesize of output 591 [2022-02-15 19:44:03,501 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:44:03,501 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028896456] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:44:03,501 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:44:03,501 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 36, 36] total 101 [2022-02-15 19:44:03,502 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661041143] [2022-02-15 19:44:03,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:44:03,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2022-02-15 19:44:03,502 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:44:03,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2022-02-15 19:44:03,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=9602, Unknown=0, NotChecked=0, Total=10100 [2022-02-15 19:44:03,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:44:03,504 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:44:03,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 1.188118811881188) internal successors, (120), 101 states have internal predecessors, (120), 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) [2022-02-15 19:44:03,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:44:03,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:44:03,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:44:03,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:44:03,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:44:03,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:44:03,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:44:03,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:44:03,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:44:03,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:44:03,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:44:03,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:44:03,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-15 19:44:03,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-15 19:44:03,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:44:11,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:44:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:44:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:44:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:44:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:44:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:44:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:44:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:44:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:44:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:44:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:44:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:44:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-15 19:44:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-15 19:44:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-15 19:44:12,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-15 19:44:12,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-15 19:44:12,201 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:44:12,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:44:12,202 INFO L85 PathProgramCache]: Analyzing trace with hash -2142628463, now seen corresponding path program 14 times [2022-02-15 19:44:12,202 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:44:12,202 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667123261] [2022-02-15 19:44:12,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:44:12,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:44:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:44:13,544 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 32 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:44:13,545 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:44:13,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667123261] [2022-02-15 19:44:13,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667123261] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:44:13,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204787308] [2022-02-15 19:44:13,545 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-15 19:44:13,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:44:13,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:44:13,546 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 19:44:13,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-15 19:44:13,586 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-15 19:44:13,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 19:44:13,587 WARN L261 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 118 conjunts are in the unsatisfiable core [2022-02-15 19:44:13,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:44:15,557 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 19:44:15,557 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 9 case distinctions, treesize of input 77 treesize of output 113 [2022-02-15 19:44:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:44:15,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:44:21,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,825 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,841 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,843 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,846 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,847 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,851 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,854 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,862 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,878 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,883 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:21,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:44:22,256 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 19:44:22,256 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 100 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 53 case distinctions, treesize of input 153 treesize of output 560 [2022-02-15 19:44:33,048 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:44:33,048 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204787308] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:44:33,048 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:44:33,048 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41, 41] total 116 [2022-02-15 19:44:33,049 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722004302] [2022-02-15 19:44:33,049 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:44:33,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2022-02-15 19:44:33,050 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:44:33,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2022-02-15 19:44:33,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1396, Invalid=11944, Unknown=0, NotChecked=0, Total=13340 [2022-02-15 19:44:33,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:44:33,052 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:44:33,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 1.1896551724137931) internal successors, (138), 116 states have internal predecessors, (138), 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) [2022-02-15 19:44:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:44:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:44:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:44:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:44:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:44:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:44:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:44:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:44:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:44:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:44:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:44:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:44:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-15 19:44:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-15 19:44:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-15 19:44:33,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:44:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:44:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:44:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:44:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:44:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:44:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:44:35,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:44:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:44:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:44:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:44:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:44:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:44:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-15 19:44:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-15 19:44:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-15 19:44:35,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:44:35,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-02-15 19:44:35,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-15 19:44:35,965 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:44:35,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:44:35,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1915577167, now seen corresponding path program 15 times [2022-02-15 19:44:35,965 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:44:35,965 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387184704] [2022-02-15 19:44:35,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:44:35,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:44:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:44:37,621 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 56 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:44:37,622 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:44:37,622 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387184704] [2022-02-15 19:44:37,622 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387184704] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:44:37,622 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519921063] [2022-02-15 19:44:37,623 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-15 19:44:37,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:44:37,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:44:37,624 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 19:44:37,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-15 19:44:37,669 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-02-15 19:44:37,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 19:44:37,670 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 129 conjunts are in the unsatisfiable core [2022-02-15 19:44:37,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:44:40,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:40,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:44:41,396 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 19:44:41,397 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 40 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 65 case distinctions, treesize of input 85 treesize of output 677 [2022-02-15 19:45:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:45:29,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:45:35,130 INFO L353 Elim1Store]: treesize reduction 150, result has 59.6 percent of original size [2022-02-15 19:45:35,131 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 35 case distinctions, treesize of input 44 treesize of output 235 [2022-02-15 19:45:36,134 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:45:36,134 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519921063] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:45:36,134 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:45:36,134 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46, 46] total 124 [2022-02-15 19:45:36,135 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937081170] [2022-02-15 19:45:36,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:45:36,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2022-02-15 19:45:36,135 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:45:36,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2022-02-15 19:45:36,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=798, Invalid=14454, Unknown=0, NotChecked=0, Total=15252 [2022-02-15 19:45:36,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:45:36,138 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:45:36,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 1.1774193548387097) internal successors, (146), 124 states have internal predecessors, (146), 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) [2022-02-15 19:45:36,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:45:36,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:45:36,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:45:36,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:45:36,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:45:36,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:45:36,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:45:36,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:45:36,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:45:36,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:45:36,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:45:36,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:45:36,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-15 19:45:36,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-15 19:45:36,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-15 19:45:36,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:45:36,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:45:48,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:45:48,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:45:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:45:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:45:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:45:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:45:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:45:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:45:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:45:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:45:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:45:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:45:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-15 19:45:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-15 19:45:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-15 19:45:48,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:45:48,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-15 19:45:48,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-02-15 19:45:48,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-15 19:45:48,290 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:45:48,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:45:48,291 INFO L85 PathProgramCache]: Analyzing trace with hash 2081311953, now seen corresponding path program 16 times [2022-02-15 19:45:48,291 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:45:48,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216711743] [2022-02-15 19:45:48,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:45:48,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:45:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:45:50,349 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 63 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:45:50,349 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:45:50,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216711743] [2022-02-15 19:45:50,349 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216711743] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:45:50,349 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229784254] [2022-02-15 19:45:50,349 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-15 19:45:50,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:45:50,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:45:50,350 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 19:45:50,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-02-15 19:45:50,395 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-15 19:45:50,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 19:45:50,397 WARN L261 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 141 conjunts are in the unsatisfiable core [2022-02-15 19:45:50,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:45:55,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:45:55,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:45:55,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:45:55,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:45:55,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:45:55,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:45:55,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:45:55,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:45:55,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:45:55,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:45:55,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:45:55,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:45:55,328 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 63 [2022-02-15 19:45:55,469 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:45:55,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:46:04,601 INFO L353 Elim1Store]: treesize reduction 792, result has 57.7 percent of original size [2022-02-15 19:46:04,601 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 176 case distinctions, treesize of input 92 treesize of output 1105 [2022-02-15 19:47:01,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,002 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:01,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,011 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:01,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,015 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,016 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:01,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:01,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:01,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,026 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,027 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:01,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,030 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:01,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,032 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:01,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:01,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:01,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:01,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:01,038 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 55 disjoint index pairs (out of 231 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 3 [2022-02-15 19:47:01,060 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:47:01,060 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229784254] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:47:01,060 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:47:01,061 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 48, 48] total 135 [2022-02-15 19:47:01,061 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870479226] [2022-02-15 19:47:01,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:47:01,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2022-02-15 19:47:01,061 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:47:01,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2022-02-15 19:47:01,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=871, Invalid=17219, Unknown=0, NotChecked=0, Total=18090 [2022-02-15 19:47:01,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:47:01,062 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:47:01,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 1.125925925925926) internal successors, (152), 135 states have internal predecessors, (152), 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) [2022-02-15 19:47:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:47:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:47:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:47:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:47:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:47:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:47:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:47:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:47:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:47:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:47:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:47:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:47:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-15 19:47:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-15 19:47:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-15 19:47:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:47:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-15 19:47:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:47:08,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:47:08,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:47:08,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:47:08,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:47:08,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:47:08,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:47:08,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:47:08,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:47:08,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:47:08,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:47:08,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:47:08,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:47:08,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-15 19:47:08,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-15 19:47:08,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-15 19:47:08,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:47:08,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-15 19:47:08,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-02-15 19:47:08,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-02-15 19:47:09,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-15 19:47:09,007 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:47:09,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:47:09,007 INFO L85 PathProgramCache]: Analyzing trace with hash 121005553, now seen corresponding path program 17 times [2022-02-15 19:47:09,007 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:47:09,007 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462329525] [2022-02-15 19:47:09,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:47:09,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:47:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:47:11,548 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:47:11,549 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:47:11,549 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462329525] [2022-02-15 19:47:11,549 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462329525] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:47:11,549 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960228415] [2022-02-15 19:47:11,549 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-15 19:47:11,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:47:11,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:47:11,550 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 19:47:11,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-02-15 19:47:11,601 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2022-02-15 19:47:11,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 19:47:11,603 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 153 conjunts are in the unsatisfiable core [2022-02-15 19:47:11,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:47:19,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:19,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:19,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:19,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,987 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:19,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:19,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:19,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:20,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,007 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:20,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,014 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:20,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:20,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:20,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:20,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:47:20,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:47:20,021 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 66 disjoint index pairs (out of 276 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 68 [2022-02-15 19:47:20,211 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:47:20,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:47:33,484 INFO L353 Elim1Store]: treesize reduction 948, result has 57.5 percent of original size [2022-02-15 19:47:33,484 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 66 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 210 case distinctions, treesize of input 100 treesize of output 1313 [2022-02-15 19:48:44,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:48:44,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:48:44,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,526 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:48:44,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,530 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,531 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:48:44,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,534 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,537 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:48:44,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,542 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:48:44,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:48:44,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:48:44,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:48:44,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:48:44,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:48:44,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:48:44,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:48:44,564 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 66 disjoint index pairs (out of 276 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 3 [2022-02-15 19:48:44,587 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:48:44,587 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960228415] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:48:44,587 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:48:44,587 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 52, 52] total 148 [2022-02-15 19:48:44,587 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290376960] [2022-02-15 19:48:44,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:48:44,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 148 states [2022-02-15 19:48:44,588 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:48:44,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2022-02-15 19:48:44,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=455, Invalid=21301, Unknown=0, NotChecked=0, Total=21756 [2022-02-15 19:48:44,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:48:44,589 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:48:44,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 148 states, 148 states have (on average 1.1081081081081081) internal successors, (164), 148 states have internal predecessors, (164), 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) [2022-02-15 19:48:44,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:48:44,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:48:44,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:48:44,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:48:44,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:48:44,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:48:44,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:48:44,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:48:44,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:48:44,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:48:44,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:48:44,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:48:44,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-15 19:48:44,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-15 19:48:44,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-15 19:48:44,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:48:44,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-15 19:48:44,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-02-15 19:48:44,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:48:55,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:48:55,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:48:55,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:48:55,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:48:55,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:48:55,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:48:55,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:48:55,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:48:55,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:48:55,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:48:55,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:48:55,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:48:55,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-15 19:48:55,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-15 19:48:55,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-15 19:48:55,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:48:55,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-15 19:48:55,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-02-15 19:48:55,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:48:55,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-02-15 19:48:55,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:48:55,828 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:48:55,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:48:55,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1002892079, now seen corresponding path program 18 times [2022-02-15 19:48:55,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:48:55,829 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821856169] [2022-02-15 19:48:55,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:48:55,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:48:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:48:56,069 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 144 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:48:56,070 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:48:56,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821856169] [2022-02-15 19:48:56,070 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821856169] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:48:56,070 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97786054] [2022-02-15 19:48:56,070 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-15 19:48:56,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:48:56,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:48:56,071 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 19:48:56,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-02-15 19:48:56,119 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2022-02-15 19:48:56,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 19:48:56,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-15 19:48:56,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:48:56,420 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 144 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:48:56,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:48:56,535 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 144 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:48:56,535 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97786054] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:48:56,535 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:48:56,535 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 42 [2022-02-15 19:48:56,535 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952775462] [2022-02-15 19:48:56,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:48:56,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-02-15 19:48:56,536 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:48:56,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-02-15 19:48:56,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2022-02-15 19:48:56,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:48:56,536 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:48:56,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 2.1904761904761907) internal successors, (92), 42 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) [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:48:56,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:48:57,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:48:57,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:48:57,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:48:57,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:48:57,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:48:57,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:48:57,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:48:57,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:48:57,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:48:57,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:48:57,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:48:57,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:48:57,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-15 19:48:57,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-15 19:48:57,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-15 19:48:57,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:48:57,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-15 19:48:57,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-02-15 19:48:57,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:48:57,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-15 19:48:57,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-02-15 19:48:57,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:48:57,212 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:48:57,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:48:57,212 INFO L85 PathProgramCache]: Analyzing trace with hash -2039207919, now seen corresponding path program 19 times [2022-02-15 19:48:57,212 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:48:57,212 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45739182] [2022-02-15 19:48:57,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:48:57,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:48:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:49:00,256 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:49:00,256 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:49:00,256 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45739182] [2022-02-15 19:49:00,256 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45739182] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:49:00,256 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413880474] [2022-02-15 19:49:00,256 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-15 19:49:00,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:49:00,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:49:00,257 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 19:49:00,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-02-15 19:49:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:49:00,306 WARN L261 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 165 conjunts are in the unsatisfiable core [2022-02-15 19:49:00,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:49:11,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,971 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:49:11,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,980 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:49:11,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,990 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:49:11,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:49:11,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:11,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:49:12,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,013 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:49:12,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:49:12,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,022 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:49:12,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:49:12,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,031 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:49:12,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,033 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:49:12,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:49:12,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:49:12,035 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:49:12,036 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 78 disjoint index pairs (out of 325 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 54 [2022-02-15 19:49:12,245 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:49:12,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:49:29,319 WARN L228 SmtUtils]: Spent 6.65s on a formula simplification. DAG size of input: 1042 DAG size of output: 730 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-15 19:49:29,321 INFO L353 Elim1Store]: treesize reduction 1118, result has 57.4 percent of original size [2022-02-15 19:49:29,321 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 78 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 247 case distinctions, treesize of input 108 treesize of output 1539 [2022-02-15 19:50:51,593 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:50:51,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,595 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,598 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,600 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:50:51,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:50:51,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,611 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:50:51,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:50:51,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:50:51,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:50:51,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:50:51,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:50:51,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:50:51,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:50:51,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:50:51,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:50:51,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:50:51,683 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 78 disjoint index pairs (out of 325 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 3 [2022-02-15 19:50:51,708 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:50:51,708 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413880474] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:50:51,708 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:50:51,708 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 56, 56] total 160 [2022-02-15 19:50:51,708 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368553999] [2022-02-15 19:50:51,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:50:51,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 160 states [2022-02-15 19:50:51,709 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:50:51,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2022-02-15 19:50:51,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=493, Invalid=24947, Unknown=0, NotChecked=0, Total=25440 [2022-02-15 19:50:51,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:50:51,710 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:50:51,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 160 states, 160 states have (on average 1.1) internal successors, (176), 160 states have internal predecessors, (176), 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) [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-15 19:50:51,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:51:03,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:51:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:51:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:51:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:51:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:51:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:51:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:51:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:51:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:51:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:51:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:51:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:51:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-15 19:51:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-15 19:51:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-15 19:51:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:51:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-15 19:51:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-02-15 19:51:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:51:03,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-15 19:51:03,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-15 19:51:03,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-02-15 19:51:03,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:51:03,971 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:51:03,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:51:03,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1218698831, now seen corresponding path program 20 times [2022-02-15 19:51:03,972 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:51:03,972 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785221993] [2022-02-15 19:51:03,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:51:03,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:51:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:51:04,250 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 169 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:51:04,250 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:51:04,250 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785221993] [2022-02-15 19:51:04,250 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785221993] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:51:04,251 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643567473] [2022-02-15 19:51:04,251 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-15 19:51:04,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:51:04,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:51:04,252 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 19:51:04,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-02-15 19:51:04,293 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-15 19:51:04,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 19:51:04,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-15 19:51:04,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:51:04,647 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 169 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:51:04,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 19:51:04,764 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 169 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:51:04,764 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643567473] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 19:51:04,764 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 19:51:04,764 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 45 [2022-02-15 19:51:04,764 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336185652] [2022-02-15 19:51:04,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 19:51:04,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-02-15 19:51:04,765 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 19:51:04,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-02-15 19:51:04,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=479, Invalid=1501, Unknown=0, NotChecked=0, Total=1980 [2022-02-15 19:51:04,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:51:04,765 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-15 19:51:04,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.1777777777777776) internal successors, (98), 45 states have internal predecessors, (98), 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) [2022-02-15 19:51:04,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:51:04,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:51:04,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:51:04,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:51:04,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:51:04,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:51:04,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:51:04,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:51:04,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:51:04,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:51:04,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:51:04,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:51:04,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-15 19:51:04,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-15 19:51:04,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-15 19:51:04,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:51:04,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-15 19:51:04,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-02-15 19:51:04,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:51:04,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-15 19:51:04,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-15 19:51:04,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-15 19:51:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-15 19:51:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-15 19:51:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:51:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-15 19:51:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-15 19:51:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 19:51:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-15 19:51:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-15 19:51:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-15 19:51:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-15 19:51:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-15 19:51:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-15 19:51:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-15 19:51:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-15 19:51:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-15 19:51:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:51:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-15 19:51:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-02-15 19:51:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-15 19:51:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-15 19:51:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-15 19:51:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-15 19:51:05,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-02-15 19:51:05,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:51:05,407 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-15 19:51:05,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 19:51:05,407 INFO L85 PathProgramCache]: Analyzing trace with hash -807349455, now seen corresponding path program 21 times [2022-02-15 19:51:05,407 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 19:51:05,407 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97645287] [2022-02-15 19:51:05,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 19:51:05,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 19:51:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 19:51:09,103 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 19:51:09,104 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 19:51:09,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97645287] [2022-02-15 19:51:09,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97645287] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 19:51:09,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303687110] [2022-02-15 19:51:09,104 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-15 19:51:09,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:51:09,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 19:51:09,105 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-15 19:51:09,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-02-15 19:51:09,161 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2022-02-15 19:51:09,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-15 19:51:09,164 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 177 conjunts are in the unsatisfiable core [2022-02-15 19:51:09,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 19:51:36,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:51:36,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:51:36,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:51:36,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:51:36,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:51:36,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:51:36,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-15 19:51:36,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-15 19:51:36,333 INFO L244 Elim1Store]: Index analysis took 143 ms [2022-02-15 19:51:38,075 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-15 19:51:38,076 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 84 disjoint index pairs (out of 378 index pairs), introduced 21 new quantified variables, introduced 224 case distinctions, treesize of input 198 treesize of output 1494 Received shutdown request... [2022-02-15 19:56:59,740 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-15 19:56:59,742 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (6 of 7 remaining) [2022-02-15 19:56:59,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-02-15 19:56:59,765 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 [2022-02-15 19:56:59,765 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 [2022-02-15 19:56:59,767 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-15 19:56:59,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 19:56:59,943 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 73 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 22ms.. [2022-02-15 19:56:59,944 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4INUSE_VIOLATION (5 of 7 remaining) [2022-02-15 19:56:59,944 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5INUSE_VIOLATION (4 of 7 remaining) [2022-02-15 19:56:59,944 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (3 of 7 remaining) [2022-02-15 19:56:59,944 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (2 of 7 remaining) [2022-02-15 19:56:59,944 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err0INUSE_VIOLATION (1 of 7 remaining) [2022-02-15 19:56:59,944 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err1INUSE_VIOLATION (0 of 7 remaining) [2022-02-15 19:56:59,948 INFO L732 BasicCegarLoop]: Path program histogram: [21, 1, 1] [2022-02-15 19:56:59,949 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-15 19:56:59,949 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-15 19:56:59,950 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 07:56:59 BasicIcfg [2022-02-15 19:56:59,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-15 19:56:59,951 INFO L158 Benchmark]: Toolchain (without parser) took 828582.08ms. Allocated memory was 175.1MB in the beginning and 634.4MB in the end (delta: 459.3MB). Free memory was 139.1MB in the beginning and 236.6MB in the end (delta: -97.4MB). Peak memory consumption was 456.8MB. Max. memory is 8.0GB. [2022-02-15 19:56:59,951 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 175.1MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 19:56:59,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.59ms. Allocated memory is still 175.1MB. Free memory was 139.1MB in the beginning and 137.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-15 19:56:59,951 INFO L158 Benchmark]: Boogie Preprocessor took 11.17ms. Allocated memory is still 175.1MB. Free memory was 137.6MB in the beginning and 136.6MB in the end (delta: 959.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-15 19:56:59,951 INFO L158 Benchmark]: RCFGBuilder took 166.70ms. Allocated memory is still 175.1MB. Free memory was 136.5MB in the beginning and 126.5MB in the end (delta: 10.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-15 19:56:59,951 INFO L158 Benchmark]: TraceAbstraction took 828378.35ms. Allocated memory was 175.1MB in the beginning and 634.4MB in the end (delta: 459.3MB). Free memory was 125.9MB in the beginning and 236.6MB in the end (delta: -110.6MB). Peak memory consumption was 444.2MB. Max. memory is 8.0GB. [2022-02-15 19:56:59,952 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 0.09ms. Allocated memory is still 175.1MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.59ms. Allocated memory is still 175.1MB. Free memory was 139.1MB in the beginning and 137.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.17ms. Allocated memory is still 175.1MB. Free memory was 137.6MB in the beginning and 136.6MB in the end (delta: 959.8kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 166.70ms. Allocated memory is still 175.1MB. Free memory was 136.5MB in the beginning and 126.5MB in the end (delta: 10.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 828378.35ms. Allocated memory was 175.1MB in the beginning and 634.4MB in the end (delta: 459.3MB). Free memory was 125.9MB in the beginning and 236.6MB in the end (delta: -110.6MB). Peak memory consumption was 444.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4844, positive: 3328, positive conditional: 3328, positive unconditional: 0, negative: 1516, negative conditional: 1516, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3686, positive: 3328, positive conditional: 3328, positive unconditional: 0, negative: 358, negative conditional: 358, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3686, positive: 3328, positive conditional: 3328, positive unconditional: 0, negative: 358, negative conditional: 358, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7740, positive: 3328, positive conditional: 3213, positive unconditional: 115, negative: 4412, negative conditional: 4054, negative unconditional: 358, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7740, positive: 3328, positive conditional: 2818, positive unconditional: 510, negative: 4412, negative conditional: 4010, negative unconditional: 402, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7740, positive: 3328, positive conditional: 2818, positive unconditional: 510, negative: 4412, negative conditional: 4010, negative unconditional: 402, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 385, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 340, negative conditional: 338, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 385, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 342, negative conditional: 0, negative unconditional: 342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 342, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 340, negative conditional: 338, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 511, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 486, negative conditional: 478, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7740, positive: 3283, positive conditional: 2818, positive unconditional: 465, negative: 4072, negative conditional: 3672, negative unconditional: 400, unknown: 385, unknown conditional: 338, unknown unconditional: 47] , Statistics on independence cache: Total cache size (in pairs): 385, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 340, Negative conditional cache size: 338, Negative unconditional cache size: 2, Eliminated conditions: 439, Maximal queried relation: 22, Independence queries for same thread: 1158 - 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: 86]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 73 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 22ms.. - TimeoutResultAtElement [Line: 50]: 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 73 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 22ms.. - TimeoutResultAtElement [Line: 54]: 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 73 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 22ms.. - TimeoutResultAtElement [Line: 78]: 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 73 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 22ms.. - TimeoutResultAtElement [Line: 81]: 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 73 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 22ms.. - TimeoutResultAtElement [Line: 50]: 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 73 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 22ms.. - TimeoutResultAtElement [Line: 54]: 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 73 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 22ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 49 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 828.3s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 21, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 69.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 706, 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, 0.5s SatisfiabilityAnalysisTime, 398.8s InterpolantComputationTime, 1792 NumberOfCodeBlocks, 1792 NumberOfCodeBlocksAsserted, 111 NumberOfCheckSat, 2616 ConstructedInterpolants, 231 QuantifiedInterpolants, 85062 SizeOfPredicates, 289 NumberOfNonLiveVariables, 3108 ConjunctsInSsa, 1331 ConjunctsInUnsatCore, 64 InterpolantComputations, 1 PerfectInterpolantSequences, 1384/7566 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