/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-820ea7a [2022-02-18 22:33:46,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-18 22:33:46,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-18 22:33:46,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-18 22:33:46,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-18 22:33:46,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-18 22:33:46,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-18 22:33:46,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-18 22:33:46,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-18 22:33:46,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-18 22:33:46,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-18 22:33:46,333 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-18 22:33:46,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-18 22:33:46,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-18 22:33:46,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-18 22:33:46,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-18 22:33:46,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-18 22:33:46,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-18 22:33:46,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-18 22:33:46,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-18 22:33:46,348 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 [2022-02-18 22:33:46,369 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-18 22:33:46,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-18 22:33:46,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-18 22:33:46,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-18 22:33:46,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-18 22:33:46,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-18 22:33:46,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-18 22:33:46,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-18 22:33:46,371 INFO L138 SettingsManager]: * Use SBE=true [2022-02-18 22:33:46,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-18 22:33:46,371 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-18 22:33:46,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-18 22:33:46,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-18 22:33:46,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-18 22:33:46,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-18 22:33:46,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-18 22:33:46,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-18 22:33:46,372 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-18 22:33:46,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-18 22:33:46,372 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-18 22:33:46,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-18 22:33:46,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-18 22:33:46,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-18 22:33:46,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-18 22:33:46,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-18 22:33:46,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 22:33:46,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-18 22:33:46,374 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-18 22:33:46,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-18 22:33:46,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-18 22:33:46,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-18 22:33:46,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-18 22:33:46,374 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-18 22:33:46,374 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-18 22:33:46,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-18 22:33:46,374 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-02-18 22:33:46,374 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-18 22:33:46,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-18 22:33:46,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-18 22:33:46,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-18 22:33:46,573 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-18 22:33:46,575 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-18 22:33:46,576 INFO L432 ainManager$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 [2022-02-18 22:33:46,576 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl' [2022-02-18 22:33:46,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-18 22:33:46,595 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-18 22:33:46,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-18 22:33:46,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-18 22:33:46,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-18 22:33:46,604 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 18.02 10:33:46" (1/1) ... [2022-02-18 22:33:46,610 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 18.02 10:33:46" (1/1) ... [2022-02-18 22:33:46,614 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-18 22:33:46,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-18 22:33:46,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-18 22:33:46,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-18 22:33:46,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-18 22:33:46,622 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 18.02 10:33:46" (1/1) ... [2022-02-18 22:33:46,622 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 18.02 10:33:46" (1/1) ... [2022-02-18 22:33:46,623 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 18.02 10:33:46" (1/1) ... [2022-02-18 22:33:46,623 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 18.02 10:33:46" (1/1) ... [2022-02-18 22:33:46,627 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 18.02 10:33:46" (1/1) ... [2022-02-18 22:33:46,628 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 18.02 10:33:46" (1/1) ... [2022-02-18 22:33:46,629 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 18.02 10:33:46" (1/1) ... [2022-02-18 22:33:46,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-18 22:33:46,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-18 22:33:46,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-18 22:33:46,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-18 22:33:46,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:33:46" (1/1) ... [2022-02-18 22:33:46,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-18 22:33:46,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:33:46,654 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) [2022-02-18 22:33:46,665 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 [2022-02-18 22:33:46,687 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-18 22:33:46,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-18 22:33:46,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-18 22:33:46,687 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-18 22:33:46,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-18 22:33:46,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-18 22:33:46,688 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-18 22:33:46,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-18 22:33:46,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-18 22:33:46,688 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-18 22:33:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-18 22:33:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-18 22:33:46,689 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-02-18 22:33:46,690 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-18 22:33:46,690 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-18 22:33:46,691 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-18 22:33:46,725 INFO L234 CfgBuilder]: Building ICFG [2022-02-18 22:33:46,727 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-18 22:33:46,833 INFO L275 CfgBuilder]: Performing block encoding [2022-02-18 22:33:46,848 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-18 22:33:46,848 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-18 22:33:46,848 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2022-02-18 22:33:46,849 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2022-02-18 22:33:46,849 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2022-02-18 22:33:46,850 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 10:33:46 BoogieIcfgContainer [2022-02-18 22:33:46,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-18 22:33:46,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-18 22:33:46,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-18 22:33:46,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-18 22:33:46,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.02 10:33:46" (1/2) ... [2022-02-18 22:33:46,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162e6377 and model type parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 10:33:46, skipping insertion in model container [2022-02-18 22:33:46,857 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 18.02 10:33:46" (2/2) ... [2022-02-18 22:33:46,858 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-equiv.wvr.bpl [2022-02-18 22:33:46,861 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-18 22:33:46,861 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-18 22:33:46,862 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-18 22:33:46,862 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-18 22:33:46,920 INFO L148 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2022-02-18 22:33:46,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-18 22:33:46,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:33:46,986 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) [2022-02-18 22:33:47,004 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 [2022-02-18 22:33:47,015 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-18 22:33:47,023 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-18 22:33:47,023 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-18 22:33:47,123 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:33:47,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:33:47,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1893381519, now seen corresponding path program 1 times [2022-02-18 22:33:47,132 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:33:47,132 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195679544] [2022-02-18 22:33:47,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:33:47,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:33:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:33:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:47,250 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:33:47,250 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195679544] [2022-02-18 22:33:47,251 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195679544] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-18 22:33:47,251 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-18 22:33:47,251 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-18 22:33:47,252 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353500061] [2022-02-18 22:33:47,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-18 22:33:47,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-18 22:33:47,255 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:33:47,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-18 22:33:47,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-18 22:33:47,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:33:47,273 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:33:47,274 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) [2022-02-18 22:33:47,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:33:47,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:33:47,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-18 22:33:47,350 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:33:47,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:33:47,351 INFO L85 PathProgramCache]: Analyzing trace with hash 253264815, now seen corresponding path program 1 times [2022-02-18 22:33:47,351 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:33:47,351 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273347650] [2022-02-18 22:33:47,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:33:47,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:33:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:33:47,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:47,418 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:33:47,418 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273347650] [2022-02-18 22:33:47,419 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273347650] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:33:47,419 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511231571] [2022-02-18 22:33:47,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:33:47,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:33:47,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:33:47,421 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) [2022-02-18 22:33:47,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-18 22:33:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:33:47,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-18 22:33:47,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:33:47,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:47,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:33:47,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:47,618 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511231571] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:33:47,618 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:33:47,618 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2022-02-18 22:33:47,619 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593300142] [2022-02-18 22:33:47,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:33:47,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-18 22:33:47,620 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:33:47,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-18 22:33:47,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-18 22:33:47,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:33:47,620 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:33:47,621 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) [2022-02-18 22:33:47,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:33:47,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:33:47,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:33:47,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:33:47,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-18 22:33:47,931 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 [2022-02-18 22:33:47,932 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:33:47,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:33:47,932 INFO L85 PathProgramCache]: Analyzing trace with hash -876502895, now seen corresponding path program 1 times [2022-02-18 22:33:47,932 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:33:47,933 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491221026] [2022-02-18 22:33:47,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:33:47,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:33:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:33:48,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:48,099 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:33:48,099 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491221026] [2022-02-18 22:33:48,100 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491221026] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:33:48,100 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694085478] [2022-02-18 22:33:48,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:33:48,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:33:48,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:33:48,102 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) [2022-02-18 22:33:48,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-18 22:33:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:33:48,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2022-02-18 22:33:48,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:33:48,298 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 [2022-02-18 22:33:48,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:48,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:33:48,461 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 22:33:48,461 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 [2022-02-18 22:33:48,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:33:48,475 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 [2022-02-18 22:33:48,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:48,512 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694085478] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:33:48,516 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:33:48,516 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 13 [2022-02-18 22:33:48,517 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901794013] [2022-02-18 22:33:48,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:33:48,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-02-18 22:33:48,517 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:33:48,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-02-18 22:33:48,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-02-18 22:33:48,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:33:48,518 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:33:48,518 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) [2022-02-18 22:33:48,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:33:48,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:33:48,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:33:48,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:33:48,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:33:48,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:48,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-18 22:33:48,919 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 [2022-02-18 22:33:48,920 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:33:48,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:33:48,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1088031439, now seen corresponding path program 2 times [2022-02-18 22:33:48,920 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:33:48,921 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720495672] [2022-02-18 22:33:48,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:33:48,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:33:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:33:48,964 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:48,965 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:33:48,965 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720495672] [2022-02-18 22:33:48,965 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720495672] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:33:48,965 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382552011] [2022-02-18 22:33:48,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 22:33:48,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:33:48,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:33:48,968 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) [2022-02-18 22:33:48,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-18 22:33:48,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 22:33:48,994 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 22:33:48,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-18 22:33:48,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:33:49,047 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:49,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:33:49,106 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:49,106 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382552011] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:33:49,106 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:33:49,106 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 9 [2022-02-18 22:33:49,106 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743510953] [2022-02-18 22:33:49,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:33:49,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-18 22:33:49,107 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:33:49,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-18 22:33:49,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-02-18 22:33:49,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:33:49,108 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:33:49,108 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) [2022-02-18 22:33:49,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:33:49,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:33:49,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:49,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:33:49,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:33:49,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:33:49,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:49,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:33:49,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-18 22:33:49,378 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 [2022-02-18 22:33:49,379 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:33:49,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:33:49,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1824661583, now seen corresponding path program 3 times [2022-02-18 22:33:49,379 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:33:49,380 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51684460] [2022-02-18 22:33:49,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:33:49,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:33:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:33:49,669 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:49,669 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:33:49,669 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51684460] [2022-02-18 22:33:49,669 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51684460] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:33:49,669 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218847300] [2022-02-18 22:33:49,669 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 22:33:49,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:33:49,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:33:49,671 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) [2022-02-18 22:33:49,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-18 22:33:49,698 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-02-18 22:33:49,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 22:33:49,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-18 22:33:49,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:33:50,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:33:50,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:33:50,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:33:50,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:33:50,110 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 [2022-02-18 22:33:50,173 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:50,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:33:50,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:33:50,502 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 22:33:50,503 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 [2022-02-18 22:33:50,619 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:50,619 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218847300] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:33:50,619 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:33:50,619 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 30 [2022-02-18 22:33:50,619 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502306412] [2022-02-18 22:33:50,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:33:50,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-18 22:33:50,620 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:33:50,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-18 22:33:50,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2022-02-18 22:33:50,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:33:50,621 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:33:50,621 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) [2022-02-18 22:33:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:33:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:33:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:33:50,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:33:50,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:33:50,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:33:50,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:50,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:33:50,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:50,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-18 22:33:51,077 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 [2022-02-18 22:33:51,078 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:33:51,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:33:51,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1787102481, now seen corresponding path program 4 times [2022-02-18 22:33:51,079 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:33:51,079 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139281963] [2022-02-18 22:33:51,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:33:51,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:33:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:33:51,135 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:51,135 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:33:51,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139281963] [2022-02-18 22:33:51,135 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139281963] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:33:51,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895054181] [2022-02-18 22:33:51,135 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-18 22:33:51,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:33:51,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:33:51,137 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) [2022-02-18 22:33:51,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-18 22:33:51,173 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-18 22:33:51,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 22:33:51,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-18 22:33:51,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:33:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:51,236 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:33:51,275 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:51,275 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895054181] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:33:51,275 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:33:51,275 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2022-02-18 22:33:51,276 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823911444] [2022-02-18 22:33:51,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:33:51,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-18 22:33:51,276 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:33:51,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-18 22:33:51,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-02-18 22:33:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:33:51,276 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:33:51,277 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) [2022-02-18 22:33:51,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:33:51,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:33:51,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:51,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:33:51,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:51,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:33:51,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:33:51,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:33:51,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:51,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:33:51,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:51,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:33:51,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-18 22:33:51,567 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 [2022-02-18 22:33:51,567 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:33:51,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:33:51,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1130579921, now seen corresponding path program 5 times [2022-02-18 22:33:51,568 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:33:51,568 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84245062] [2022-02-18 22:33:51,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:33:51,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:33:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:33:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:51,901 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:33:51,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84245062] [2022-02-18 22:33:51,901 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84245062] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:33:51,901 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546619746] [2022-02-18 22:33:51,901 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-18 22:33:51,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:33:51,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:33:51,903 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) [2022-02-18 22:33:51,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-18 22:33:51,934 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-02-18 22:33:51,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 22:33:51,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 45 conjunts are in the unsatisfiable core [2022-02-18 22:33:51,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:33:52,226 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 [2022-02-18 22:33:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:52,299 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:33:52,652 INFO L353 Elim1Store]: treesize reduction 48, result has 62.2 percent of original size [2022-02-18 22:33:52,653 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 [2022-02-18 22:33:52,905 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:52,905 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546619746] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:33:52,905 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:33:52,905 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 16] total 41 [2022-02-18 22:33:52,906 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681503367] [2022-02-18 22:33:52,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:33:52,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-02-18 22:33:52,906 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:33:52,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-02-18 22:33:52,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1515, Unknown=0, NotChecked=0, Total=1640 [2022-02-18 22:33:52,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:33:52,907 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:33:52,907 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) [2022-02-18 22:33:52,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:33:52,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:33:52,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:52,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:33:52,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:52,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:33:52,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:33:54,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:33:54,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:33:54,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:54,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:33:54,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:54,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:33:54,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:33:54,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-18 22:33:54,516 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 [2022-02-18 22:33:54,517 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:33:54,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:33:54,517 INFO L85 PathProgramCache]: Analyzing trace with hash -789899023, now seen corresponding path program 6 times [2022-02-18 22:33:54,517 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:33:54,517 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438114088] [2022-02-18 22:33:54,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:33:54,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:33:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:33:54,974 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:54,974 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:33:54,974 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438114088] [2022-02-18 22:33:54,974 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438114088] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:33:54,974 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432694704] [2022-02-18 22:33:54,974 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-18 22:33:54,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:33:54,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:33:54,976 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) [2022-02-18 22:33:54,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-18 22:33:55,011 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-02-18 22:33:55,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 22:33:55,012 WARN L261 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 58 conjunts are in the unsatisfiable core [2022-02-18 22:33:55,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:33:55,739 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:33:55,740 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 [2022-02-18 22:33:55,810 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:55,810 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:33:56,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:33:56,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:33:56,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:33:56,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:33:56,727 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:33:56,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:33:56,730 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:33:56,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:33:56,731 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:33:56,779 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 22:33:56,780 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 [2022-02-18 22:33:57,023 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:57,023 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432694704] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:33:57,023 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:33:57,023 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21, 21] total 58 [2022-02-18 22:33:57,023 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772814853] [2022-02-18 22:33:57,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:33:57,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-02-18 22:33:57,024 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:33:57,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-02-18 22:33:57,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=3067, Unknown=0, NotChecked=0, Total=3306 [2022-02-18 22:33:57,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:33:57,025 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:33:57,026 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) [2022-02-18 22:33:57,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:33:57,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:33:57,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:57,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:33:57,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:57,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:33:57,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:33:57,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:33:58,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:33:58,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:33:58,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:58,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:33:58,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:58,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:33:58,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:33:58,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:33:58,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-18 22:33:58,558 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 [2022-02-18 22:33:58,560 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:33:58,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:33:58,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1718621743, now seen corresponding path program 7 times [2022-02-18 22:33:58,561 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:33:58,561 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363189422] [2022-02-18 22:33:58,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:33:58,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:33:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:33:58,629 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:58,629 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:33:58,629 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363189422] [2022-02-18 22:33:58,629 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363189422] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:33:58,629 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364479262] [2022-02-18 22:33:58,630 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-18 22:33:58,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:33:58,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:33:58,631 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) [2022-02-18 22:33:58,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-18 22:33:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:33:58,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-18 22:33:58,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:33:58,768 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:58,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:33:58,828 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:58,828 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364479262] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:33:58,828 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:33:58,828 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 18 [2022-02-18 22:33:58,828 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818825591] [2022-02-18 22:33:58,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:33:58,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-18 22:33:58,829 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:33:58,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-18 22:33:58,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2022-02-18 22:33:58,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:33:58,839 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:33:58,840 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) [2022-02-18 22:33:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:33:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:33:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:33:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:33:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:33:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:33:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:33:58,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:33:58,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:33:58,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:58,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:33:58,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:33:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:33:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:33:58,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:33:58,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:33:59,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-02-18 22:33:59,199 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 [2022-02-18 22:33:59,199 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:33:59,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:33:59,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1417768175, now seen corresponding path program 8 times [2022-02-18 22:33:59,200 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:33:59,200 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206066971] [2022-02-18 22:33:59,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:33:59,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:33:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:33:59,805 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:33:59,806 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:33:59,806 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206066971] [2022-02-18 22:33:59,806 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206066971] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:33:59,806 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852647891] [2022-02-18 22:33:59,806 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 22:33:59,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:33:59,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:33:59,807 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) [2022-02-18 22:33:59,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-18 22:33:59,866 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 22:33:59,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 22:33:59,867 WARN L261 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 70 conjunts are in the unsatisfiable core [2022-02-18 22:33:59,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:34:00,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:00,892 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 [2022-02-18 22:34:00,978 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:34:00,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:34:02,582 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:02,583 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:02,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:02,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:02,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:02,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:02,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:02,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:02,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:02,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:02,710 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 22:34:02,710 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 [2022-02-18 22:34:04,063 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:34:04,063 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852647891] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:34:04,063 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:34:04,063 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 25] total 70 [2022-02-18 22:34:04,064 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180643573] [2022-02-18 22:34:04,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:34:04,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-02-18 22:34:04,064 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:34:04,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-02-18 22:34:04,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=4607, Unknown=0, NotChecked=0, Total=4830 [2022-02-18 22:34:04,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:34:04,065 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:34:04,065 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) [2022-02-18 22:34:04,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:34:04,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:34:04,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:04,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:34:04,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:04,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:34:04,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:34:04,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:34:04,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:34:04,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:34:05,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:34:05,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:34:05,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:05,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:34:05,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:05,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:34:05,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:34:05,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:34:05,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:34:05,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:34:05,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-18 22:34:05,804 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 [2022-02-18 22:34:05,804 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:34:05,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:34:05,804 INFO L85 PathProgramCache]: Analyzing trace with hash -811155121, now seen corresponding path program 9 times [2022-02-18 22:34:05,804 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:34:05,804 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888537999] [2022-02-18 22:34:05,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:34:05,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:34:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:34:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:34:05,882 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:34:05,882 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888537999] [2022-02-18 22:34:05,882 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888537999] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:34:05,882 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666595893] [2022-02-18 22:34:05,882 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 22:34:05,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:34:05,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:34:05,883 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) [2022-02-18 22:34:05,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-18 22:34:05,916 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-02-18 22:34:05,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 22:34:05,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 14 conjunts are in the unsatisfiable core [2022-02-18 22:34:05,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:34:06,047 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:34:06,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:34:06,125 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:34:06,126 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666595893] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:34:06,126 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:34:06,126 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 21 [2022-02-18 22:34:06,126 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986625995] [2022-02-18 22:34:06,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:34:06,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-18 22:34:06,126 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:34:06,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-18 22:34:06,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2022-02-18 22:34:06,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:34:06,131 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:34:06,132 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) [2022-02-18 22:34:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:34:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:34:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:34:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:34:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:34:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:34:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:34:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:34:06,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:34:06,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:34:06,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:34:06,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:06,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:34:06,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:06,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:34:06,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:34:06,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:34:06,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:34:06,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:34:06,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:34:06,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-18 22:34:06,513 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 [2022-02-18 22:34:06,513 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:34:06,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:34:06,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1581844943, now seen corresponding path program 10 times [2022-02-18 22:34:06,514 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:34:06,514 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258479105] [2022-02-18 22:34:06,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:34:06,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:34:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:34:07,269 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:34:07,269 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:34:07,269 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258479105] [2022-02-18 22:34:07,269 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258479105] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:34:07,269 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845842751] [2022-02-18 22:34:07,269 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-18 22:34:07,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:34:07,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:34:07,270 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) [2022-02-18 22:34:07,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-18 22:34:07,303 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-18 22:34:07,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 22:34:07,304 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 81 conjunts are in the unsatisfiable core [2022-02-18 22:34:07,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:34:08,458 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 [2022-02-18 22:34:08,543 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:34:08,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:34:10,293 INFO L353 Elim1Store]: treesize reduction 222, result has 59.0 percent of original size [2022-02-18 22:34:10,293 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 [2022-02-18 22:34:11,710 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:34:11,711 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845842751] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:34:11,711 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:34:11,711 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 28, 28] total 79 [2022-02-18 22:34:11,711 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860271880] [2022-02-18 22:34:11,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:34:11,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-02-18 22:34:11,711 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:34:11,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-02-18 22:34:11,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=5934, Unknown=0, NotChecked=0, Total=6162 [2022-02-18 22:34:11,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:34:11,713 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:34:11,713 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) [2022-02-18 22:34:11,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:34:11,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:34:11,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:11,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:34:11,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:11,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:34:11,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:34:11,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:34:11,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:34:11,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:34:11,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:34:11,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:34:14,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:34:14,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:34:14,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:14,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:34:14,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:14,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:34:14,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:34:14,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:34:14,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:34:14,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:34:14,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:34:14,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:34:14,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-18 22:34:14,277 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 [2022-02-18 22:34:14,277 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:34:14,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:34:14,278 INFO L85 PathProgramCache]: Analyzing trace with hash -41822865, now seen corresponding path program 11 times [2022-02-18 22:34:14,278 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:34:14,278 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510267237] [2022-02-18 22:34:14,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:34:14,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:34:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:34:14,378 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:34:14,378 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:34:14,378 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510267237] [2022-02-18 22:34:14,379 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510267237] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:34:14,379 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950309240] [2022-02-18 22:34:14,379 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-18 22:34:14,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:34:14,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:34:14,380 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) [2022-02-18 22:34:14,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-18 22:34:14,414 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-02-18 22:34:14,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 22:34:14,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-18 22:34:14,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:34:14,549 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:34:14,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:34:14,617 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:34:14,617 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950309240] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:34:14,617 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:34:14,618 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 24 [2022-02-18 22:34:14,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312311382] [2022-02-18 22:34:14,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:34:14,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-02-18 22:34:14,618 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:34:14,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-02-18 22:34:14,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2022-02-18 22:34:14,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:34:14,618 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:34:14,619 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) [2022-02-18 22:34:14,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:34:14,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:34:14,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:14,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:34:14,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:14,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:34:14,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:34:14,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:34:14,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:34:14,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:34:14,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:34:14,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:34:14,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:34:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:34:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:34:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:34:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:34:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:34:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:34:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:34:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:34:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:34:14,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:34:14,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 22:34:14,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-18 22:34:15,028 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 [2022-02-18 22:34:15,029 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:34:15,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:34:15,029 INFO L85 PathProgramCache]: Analyzing trace with hash -987921839, now seen corresponding path program 12 times [2022-02-18 22:34:15,029 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:34:15,029 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29340278] [2022-02-18 22:34:15,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:34:15,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:34:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:34:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 20 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:34:16,025 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:34:16,025 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29340278] [2022-02-18 22:34:16,025 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29340278] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:34:16,025 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361176376] [2022-02-18 22:34:16,025 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-18 22:34:16,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:34:16,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:34:16,026 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) [2022-02-18 22:34:16,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-18 22:34:16,060 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2022-02-18 22:34:16,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 22:34:16,061 WARN L261 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 93 conjunts are in the unsatisfiable core [2022-02-18 22:34:16,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:34:17,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:34:17,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:34:17,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:34:17,744 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 22:34:17,744 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 [2022-02-18 22:34:19,011 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:34:19,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:34:21,725 INFO L353 Elim1Store]: treesize reduction 150, result has 59.6 percent of original size [2022-02-18 22:34:21,725 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 [2022-02-18 22:34:22,495 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:34:22,496 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361176376] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:34:22,496 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:34:22,496 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 91 [2022-02-18 22:34:22,496 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019485723] [2022-02-18 22:34:22,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:34:22,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2022-02-18 22:34:22,496 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:34:22,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2022-02-18 22:34:22,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=457, Invalid=7733, Unknown=0, NotChecked=0, Total=8190 [2022-02-18 22:34:22,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:34:22,498 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:34:22,498 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) [2022-02-18 22:34:22,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:34:22,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:34:22,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:22,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:34:22,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:22,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:34:22,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:34:22,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:34:22,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:34:22,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:34:22,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:34:22,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:34:22,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 22:34:22,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:34:28,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:34:28,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:34:28,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:28,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:34:28,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:28,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:34:28,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:34:28,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:34:28,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:34:28,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:34:28,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:34:28,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:34:28,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 22:34:28,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-18 22:34:28,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-18 22:34:28,622 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 [2022-02-18 22:34:28,622 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:34:28,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:34:28,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1311471473, now seen corresponding path program 13 times [2022-02-18 22:34:28,623 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:34:28,623 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647111997] [2022-02-18 22:34:28,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:34:28,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:34:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:34:29,765 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 26 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:34:29,766 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:34:29,766 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647111997] [2022-02-18 22:34:29,766 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647111997] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:34:29,766 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511038451] [2022-02-18 22:34:29,766 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-18 22:34:29,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:34:29,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:34:29,767 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) [2022-02-18 22:34:29,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-18 22:34:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:34:29,802 WARN L261 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 105 conjunts are in the unsatisfiable core [2022-02-18 22:34:29,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:34:31,391 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 [2022-02-18 22:34:31,471 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:34:31,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:34:34,393 INFO L353 Elim1Store]: treesize reduction 408, result has 58.2 percent of original size [2022-02-18 22:34:34,393 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 [2022-02-18 22:34:38,370 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:34:38,370 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511038451] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:34:38,370 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:34:38,370 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 36, 36] total 101 [2022-02-18 22:34:38,370 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800920834] [2022-02-18 22:34:38,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:34:38,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2022-02-18 22:34:38,371 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:34:38,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2022-02-18 22:34:38,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=9602, Unknown=0, NotChecked=0, Total=10100 [2022-02-18 22:34:38,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:34:38,373 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:34:38,373 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) [2022-02-18 22:34:38,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:34:38,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:34:38,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:38,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:34:38,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:38,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:34:38,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:34:38,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:34:38,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:34:38,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:34:38,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:34:38,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:34:38,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 22:34:38,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-18 22:34:38,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:34:46,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:34:46,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:34:46,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:46,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:34:46,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:34:46,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:34:46,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:34:46,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:34:46,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:34:46,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:34:46,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:34:46,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:34:46,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 22:34:46,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-18 22:34:46,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-18 22:34:46,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-18 22:34:46,847 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 [2022-02-18 22:34:46,847 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:34:46,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:34:46,847 INFO L85 PathProgramCache]: Analyzing trace with hash -2142628463, now seen corresponding path program 14 times [2022-02-18 22:34:46,847 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:34:46,848 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769189831] [2022-02-18 22:34:46,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:34:46,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:34:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:34:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 32 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:34:48,166 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:34:48,166 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769189831] [2022-02-18 22:34:48,167 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769189831] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:34:48,167 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285206628] [2022-02-18 22:34:48,167 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 22:34:48,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:34:48,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:34:48,168 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) [2022-02-18 22:34:48,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-18 22:34:48,207 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 22:34:48,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 22:34:48,208 WARN L261 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 118 conjunts are in the unsatisfiable core [2022-02-18 22:34:48,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:34:50,164 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 22:34:50,165 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 [2022-02-18 22:34:50,360 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:34:50,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:34:56,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,349 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:34:56,720 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 22:34:56,721 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 [2022-02-18 22:35:06,908 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:35:06,908 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285206628] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:35:06,908 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:35:06,909 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41, 41] total 116 [2022-02-18 22:35:06,909 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288595349] [2022-02-18 22:35:06,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:35:06,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2022-02-18 22:35:06,910 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:35:06,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2022-02-18 22:35:06,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1396, Invalid=11944, Unknown=0, NotChecked=0, Total=13340 [2022-02-18 22:35:06,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:35:06,913 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:35:06,913 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) [2022-02-18 22:35:06,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:35:06,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:35:06,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:35:06,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:35:06,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:35:06,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:35:06,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:35:06,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:35:06,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:35:06,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:35:06,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:35:06,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:35:06,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 22:35:06,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-18 22:35:06,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-18 22:35:06,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:35:09,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:35:09,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:35:09,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:35:09,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:35:09,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:35:09,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:35:09,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:35:09,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:35:09,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:35:09,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:35:09,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:35:09,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:35:09,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 22:35:09,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-18 22:35:09,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-18 22:35:09,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:35:09,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-02-18 22:35:09,767 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 [2022-02-18 22:35:09,768 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:35:09,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:35:09,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1915577167, now seen corresponding path program 15 times [2022-02-18 22:35:09,768 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:35:09,768 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300724004] [2022-02-18 22:35:09,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:35:09,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:35:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:35:11,418 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 56 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:35:11,418 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:35:11,418 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300724004] [2022-02-18 22:35:11,418 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300724004] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:35:11,419 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468494419] [2022-02-18 22:35:11,419 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 22:35:11,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:35:11,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:35:11,420 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) [2022-02-18 22:35:11,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-18 22:35:11,470 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-02-18 22:35:11,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 22:35:11,472 WARN L261 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 129 conjunts are in the unsatisfiable core [2022-02-18 22:35:11,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:35:14,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:14,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:35:15,144 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 22:35:15,144 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 [2022-02-18 22:36:04,042 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:36:04,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:36:10,037 INFO L353 Elim1Store]: treesize reduction 150, result has 59.6 percent of original size [2022-02-18 22:36:10,038 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 [2022-02-18 22:36:11,159 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:36:11,159 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468494419] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:36:11,159 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:36:11,159 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46, 46] total 124 [2022-02-18 22:36:11,160 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414641899] [2022-02-18 22:36:11,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:36:11,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2022-02-18 22:36:11,160 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:36:11,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2022-02-18 22:36:11,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=798, Invalid=14454, Unknown=0, NotChecked=0, Total=15252 [2022-02-18 22:36:11,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:36:11,163 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:36:11,163 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) [2022-02-18 22:36:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:36:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:36:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:36:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:36:11,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:36:11,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:36:11,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:36:11,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:36:11,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:36:11,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:36:11,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:36:11,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:36:11,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 22:36:11,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-18 22:36:11,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-18 22:36:11,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:36:11,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:36:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:36:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:36:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:36:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:36:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:36:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:36:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:36:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:36:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:36:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:36:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:36:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:36:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 22:36:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-18 22:36:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-18 22:36:22,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:36:22,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-18 22:36:22,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-02-18 22:36:23,117 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 [2022-02-18 22:36:23,117 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:36:23,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:36:23,118 INFO L85 PathProgramCache]: Analyzing trace with hash 2081311953, now seen corresponding path program 16 times [2022-02-18 22:36:23,118 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:36:23,118 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516385238] [2022-02-18 22:36:23,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:36:23,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:36:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:36:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 63 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:36:25,122 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:36:25,122 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516385238] [2022-02-18 22:36:25,122 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516385238] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:36:25,122 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857488770] [2022-02-18 22:36:25,122 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-18 22:36:25,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:36:25,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:36:25,123 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) [2022-02-18 22:36:25,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-02-18 22:36:25,167 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-18 22:36:25,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 22:36:25,169 WARN L261 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 141 conjunts are in the unsatisfiable core [2022-02-18 22:36:25,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:36:29,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:36:29,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:36:29,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:36:29,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:36:29,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,964 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:36:29,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:36:29,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,974 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:36:29,975 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:36:29,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:36:29,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:36:29,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:36:29,979 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:36:29,980 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 [2022-02-18 22:36:30,107 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:36:30,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:36:39,136 INFO L353 Elim1Store]: treesize reduction 792, result has 57.7 percent of original size [2022-02-18 22:36:39,142 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 [2022-02-18 22:37:38,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:38,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:38,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:38,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:38,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:38,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:38,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:38,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:38,336 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:38,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:38,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:38,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:38,340 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 [2022-02-18 22:37:38,362 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:37:38,362 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857488770] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:37:38,362 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:37:38,362 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 48, 48] total 135 [2022-02-18 22:37:38,362 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306472709] [2022-02-18 22:37:38,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:37:38,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2022-02-18 22:37:38,363 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:37:38,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2022-02-18 22:37:38,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=871, Invalid=17219, Unknown=0, NotChecked=0, Total=18090 [2022-02-18 22:37:38,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:37:38,364 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:37:38,364 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) [2022-02-18 22:37:38,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:37:38,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:37:38,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:37:38,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:37:38,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:37:38,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:37:38,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:37:38,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:37:38,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:37:38,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:37:38,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:37:38,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:37:38,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 22:37:38,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-18 22:37:38,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-18 22:37:38,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:37:38,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-18 22:37:38,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:37:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:37:46,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 22:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-18 22:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-18 22:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-18 22:37:46,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-02-18 22:37:46,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-02-18 22:37:46,447 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 [2022-02-18 22:37:46,447 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:37:46,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:37:46,447 INFO L85 PathProgramCache]: Analyzing trace with hash 121005553, now seen corresponding path program 17 times [2022-02-18 22:37:46,447 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:37:46,447 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030837297] [2022-02-18 22:37:46,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:37:46,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:37:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:37:49,009 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:37:49,009 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:37:49,009 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030837297] [2022-02-18 22:37:49,009 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030837297] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:37:49,009 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139862168] [2022-02-18 22:37:49,009 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-18 22:37:49,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:37:49,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:37:49,010 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) [2022-02-18 22:37:49,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-02-18 22:37:49,060 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2022-02-18 22:37:49,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 22:37:49,063 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 153 conjunts are in the unsatisfiable core [2022-02-18 22:37:49,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:37:57,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:57,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:57,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:57,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:57,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:57,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:57,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:57,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:57,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:57,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:57,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:57,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:37:57,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:37:57,679 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 [2022-02-18 22:37:57,864 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:37:57,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:38:11,289 INFO L353 Elim1Store]: treesize reduction 948, result has 57.5 percent of original size [2022-02-18 22:38:11,290 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 [2022-02-18 22:39:28,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,058 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:28,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:28,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,063 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,064 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,067 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:28,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,071 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,072 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:28,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,073 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:28,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,077 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,078 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,080 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:28,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:28,092 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:28,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,096 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:28,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:28,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:28,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:28,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:28,101 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 [2022-02-18 22:39:28,125 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:39:28,125 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139862168] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:39:28,125 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:39:28,126 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 52, 52] total 148 [2022-02-18 22:39:28,126 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560082502] [2022-02-18 22:39:28,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:39:28,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 148 states [2022-02-18 22:39:28,126 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:39:28,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2022-02-18 22:39:28,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=455, Invalid=21301, Unknown=0, NotChecked=0, Total=21756 [2022-02-18 22:39:28,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:39:28,128 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:39:28,128 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) [2022-02-18 22:39:28,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:39:28,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:39:28,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:39:28,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:39:28,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:39:28,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:39:28,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:39:28,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:39:28,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:39:28,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:39:28,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:39:28,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:39:28,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 22:39:28,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-18 22:39:28,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-18 22:39:28,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:39:28,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-18 22:39:28,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-02-18 22:39:28,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:39:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:39:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:39:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:39:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:39:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:39:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:39:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:39:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:39:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:39:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:39:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:39:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:39:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 22:39:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-18 22:39:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-18 22:39:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:39:39,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-18 22:39:39,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-02-18 22:39:39,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:39:39,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-02-18 22:39:39,397 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 [2022-02-18 22:39:39,397 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:39:39,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:39:39,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1002892079, now seen corresponding path program 18 times [2022-02-18 22:39:39,398 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:39:39,398 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822847686] [2022-02-18 22:39:39,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:39:39,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:39:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:39:39,641 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 144 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:39:39,641 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:39:39,641 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822847686] [2022-02-18 22:39:39,641 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822847686] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:39:39,641 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576475821] [2022-02-18 22:39:39,641 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-18 22:39:39,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:39:39,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:39:39,643 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) [2022-02-18 22:39:39,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-02-18 22:39:39,690 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2022-02-18 22:39:39,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 22:39:39,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 28 conjunts are in the unsatisfiable core [2022-02-18 22:39:39,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:39:39,978 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 144 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:39:39,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:39:40,084 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 144 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:39:40,084 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576475821] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:39:40,085 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:39:40,085 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 42 [2022-02-18 22:39:40,085 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879986307] [2022-02-18 22:39:40,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:39:40,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-02-18 22:39:40,085 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:39:40,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-02-18 22:39:40,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2022-02-18 22:39:40,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:39:40,086 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:39:40,086 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) [2022-02-18 22:39:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:39:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:39:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:39:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:39:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:39:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:39:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:39:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:39:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:39:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:39:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:39:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:39:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 22:39:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-18 22:39:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-18 22:39:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:39:40,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-18 22:39:40,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-02-18 22:39:40,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:39:40,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:39:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:39:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:39:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:39:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:39:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:39:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:39:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:39:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:39:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:39:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:39:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:39:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:39:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 22:39:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-18 22:39:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-18 22:39:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:39:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-18 22:39:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-02-18 22:39:40,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:39:40,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 22:39:40,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-02-18 22:39:40,771 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 [2022-02-18 22:39:40,771 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:39:40,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:39:40,771 INFO L85 PathProgramCache]: Analyzing trace with hash -2039207919, now seen corresponding path program 19 times [2022-02-18 22:39:40,771 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:39:40,772 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534997548] [2022-02-18 22:39:40,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:39:40,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:39:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:39:43,934 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:39:43,934 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:39:43,934 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534997548] [2022-02-18 22:39:43,934 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534997548] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:39:43,934 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992299787] [2022-02-18 22:39:43,935 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-18 22:39:43,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:39:43,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:39:43,936 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) [2022-02-18 22:39:43,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-02-18 22:39:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:39:43,984 WARN L261 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 165 conjunts are in the unsatisfiable core [2022-02-18 22:39:43,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:39:57,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:57,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:57,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,110 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:57,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:57,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:57,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:57,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:57,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:57,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:57,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:57,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:57,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:39:57,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:57,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:39:57,166 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 [2022-02-18 22:39:57,388 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:39:57,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:40:15,613 WARN L228 SmtUtils]: Spent 7.08s 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) [2022-02-18 22:40:15,615 INFO L353 Elim1Store]: treesize reduction 1118, result has 57.4 percent of original size [2022-02-18 22:40:15,615 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 [2022-02-18 22:41:42,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:41:42,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:41:42,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:41:42,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:41:42,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:41:42,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:41:42,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:41:42,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:41:42,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:41:42,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:41:42,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:41:42,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:41:42,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:41:42,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:41:42,260 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 [2022-02-18 22:41:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:41:42,283 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992299787] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:41:42,283 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:41:42,283 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 56, 56] total 160 [2022-02-18 22:41:42,283 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293761686] [2022-02-18 22:41:42,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:41:42,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 160 states [2022-02-18 22:41:42,284 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:41:42,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2022-02-18 22:41:42,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=493, Invalid=24947, Unknown=0, NotChecked=0, Total=25440 [2022-02-18 22:41:42,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:41:42,285 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:41:42,285 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) [2022-02-18 22:41:42,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:41:42,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:41:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:41:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:41:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:41:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:41:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:41:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:41:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:41:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:41:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:41:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:41:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 22:41:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-18 22:41:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-18 22:41:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:41:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-18 22:41:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-02-18 22:41:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:41:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-18 22:41:42,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:41:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:41:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:41:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:41:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:41:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:41:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:41:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:41:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:41:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:41:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:41:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:41:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:41:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 22:41:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-18 22:41:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-18 22:41:54,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:41:54,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-18 22:41:54,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-02-18 22:41:54,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:41:54,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 22:41:54,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-18 22:41:54,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-02-18 22:41:54,758 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 [2022-02-18 22:41:54,758 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:41:54,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:41:54,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1218698831, now seen corresponding path program 20 times [2022-02-18 22:41:54,759 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:41:54,759 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973719201] [2022-02-18 22:41:54,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:41:54,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:41:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:41:55,044 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 169 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:41:55,045 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:41:55,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973719201] [2022-02-18 22:41:55,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973719201] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:41:55,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140443299] [2022-02-18 22:41:55,045 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-18 22:41:55,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:41:55,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:41:55,047 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) [2022-02-18 22:41:55,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-02-18 22:41:55,089 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-18 22:41:55,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 22:41:55,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 30 conjunts are in the unsatisfiable core [2022-02-18 22:41:55,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:41:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 169 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:41:55,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-18 22:41:55,557 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 169 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:41:55,558 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140443299] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-18 22:41:55,558 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-18 22:41:55,558 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 45 [2022-02-18 22:41:55,558 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955983967] [2022-02-18 22:41:55,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-18 22:41:55,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-02-18 22:41:55,558 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-18 22:41:55,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-02-18 22:41:55,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=479, Invalid=1501, Unknown=0, NotChecked=0, Total=1980 [2022-02-18 22:41:55,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:41:55,559 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-18 22:41:55,559 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) [2022-02-18 22:41:55,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:41:55,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:41:55,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:41:55,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:41:55,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:41:55,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:41:55,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:41:55,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:41:55,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:41:55,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:41:55,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:41:55,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:41:55,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-02-18 22:41:55,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-18 22:41:55,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-18 22:41:55,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:41:55,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-02-18 22:41:55,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-02-18 22:41:55,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:41:55,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-18 22:41:55,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-02-18 22:41:55,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-18 22:41:56,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-02-18 22:41:56,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-18 22:41:56,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-02-18 22:41:56,250 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 [2022-02-18 22:41:56,250 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err4INUSE_VIOLATION, thread1Err5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION (and 3 more)] === [2022-02-18 22:41:56,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-18 22:41:56,251 INFO L85 PathProgramCache]: Analyzing trace with hash -807349455, now seen corresponding path program 21 times [2022-02-18 22:41:56,251 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-18 22:41:56,251 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520087329] [2022-02-18 22:41:56,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-18 22:41:56,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-18 22:41:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-18 22:42:00,123 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-18 22:42:00,123 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-18 22:42:00,123 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520087329] [2022-02-18 22:42:00,123 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520087329] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-18 22:42:00,123 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820547065] [2022-02-18 22:42:00,123 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-18 22:42:00,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-18 22:42:00,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-18 22:42:00,125 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) [2022-02-18 22:42:00,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-02-18 22:42:00,181 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2022-02-18 22:42:00,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-18 22:42:00,184 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 177 conjunts are in the unsatisfiable core [2022-02-18 22:42:00,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-18 22:42:28,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:42:28,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,087 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:42:28,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:42:28,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:42:28,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:42:28,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:42:28,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-18 22:42:28,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-18 22:42:28,221 INFO L244 Elim1Store]: Index analysis took 154 ms [2022-02-18 22:42:30,049 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-18 22:42:30,049 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... [2022-02-18 22:47:34,350 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-18 22:47:34,351 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (6 of 7 remaining) [2022-02-18 22:47:34,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-02-18 22:47:34,371 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 [2022-02-18 22:47:34,374 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 [2022-02-18 22:47:34,376 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 [2022-02-18 22:47:34,558 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 [2022-02-18 22:47:34,558 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 4 for 20ms.. [2022-02-18 22:47:34,560 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4INUSE_VIOLATION (5 of 7 remaining) [2022-02-18 22:47:34,560 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5INUSE_VIOLATION (4 of 7 remaining) [2022-02-18 22:47:34,560 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (3 of 7 remaining) [2022-02-18 22:47:34,560 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (2 of 7 remaining) [2022-02-18 22:47:34,560 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err0INUSE_VIOLATION (1 of 7 remaining) [2022-02-18 22:47:34,560 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork0Err1INUSE_VIOLATION (0 of 7 remaining) [2022-02-18 22:47:34,564 INFO L732 BasicCegarLoop]: Path program histogram: [21, 1, 1] [2022-02-18 22:47:34,565 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-18 22:47:34,565 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-18 22:47:34,566 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 10:47:34 BasicIcfg [2022-02-18 22:47:34,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-18 22:47:34,567 INFO L158 Benchmark]: Toolchain (without parser) took 827971.73ms. Allocated memory was 187.7MB in the beginning and 621.8MB in the end (delta: 434.1MB). Free memory was 146.9MB in the beginning and 284.0MB in the end (delta: -137.1MB). Peak memory consumption was 450.0MB. Max. memory is 8.0GB. [2022-02-18 22:47:34,567 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 187.7MB. Free memory is still 148.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-18 22:47:34,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.33ms. Allocated memory is still 187.7MB. Free memory was 146.8MB in the beginning and 145.4MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-18 22:47:34,567 INFO L158 Benchmark]: Boogie Preprocessor took 13.50ms. Allocated memory is still 187.7MB. Free memory was 145.4MB in the beginning and 144.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-18 22:47:34,567 INFO L158 Benchmark]: RCFGBuilder took 219.60ms. Allocated memory is still 187.7MB. Free memory was 144.3MB in the beginning and 133.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-18 22:47:34,567 INFO L158 Benchmark]: TraceAbstraction took 827713.35ms. Allocated memory was 187.7MB in the beginning and 621.8MB in the end (delta: 434.1MB). Free memory was 133.4MB in the beginning and 284.0MB in the end (delta: -150.6MB). Peak memory consumption was 435.3MB. Max. memory is 8.0GB. [2022-02-18 22:47:34,568 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 187.7MB. Free memory is still 148.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.33ms. Allocated memory is still 187.7MB. Free memory was 146.8MB in the beginning and 145.4MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.50ms. Allocated memory is still 187.7MB. Free memory was 145.4MB in the beginning and 144.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 219.60ms. Allocated memory is still 187.7MB. Free memory was 144.3MB in the beginning and 133.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 827713.35ms. Allocated memory was 187.7MB in the beginning and 621.8MB in the end (delta: 434.1MB). Free memory was 133.4MB in the beginning and 284.0MB in the end (delta: -150.6MB). Peak memory consumption was 435.3MB. 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: 488, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 462, negative conditional: 452, negative unconditional: 10, 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 4 for 20ms.. - 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 4 for 20ms.. - 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 4 for 20ms.. - 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 4 for 20ms.. - 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 4 for 20ms.. - 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 4 for 20ms.. - 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 4 for 20ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 49 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 827.6s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 21, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 68.8s, 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, 0.6s SatisfiabilityAnalysisTime, 414.8s 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