/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 05:24:09,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 05:24:09,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 05:24:09,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-04 05:24:09,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 05:24:09,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 05:24:09,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 05:24:09,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 05:24:09,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 05:24:09,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 05:24:09,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 05:24:09,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 05:24:09,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 05:24:09,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 05:24:09,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 05:24:09,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 05:24:09,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 05:24:09,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 05:24:09,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 05:24:09,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 05:24:09,461 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-04 05:24:09,479 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 05:24:09,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 05:24:09,479 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 05:24:09,479 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 05:24:09,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 05:24:09,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 05:24:09,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 05:24:09,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 05:24:09,481 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 05:24:09,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 05:24:09,481 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 05:24:09,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 05:24:09,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 05:24:09,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 05:24:09,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 05:24:09,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 05:24:09,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 05:24:09,482 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 05:24:09,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 05:24:09,482 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 05:24:09,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 05:24:09,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 05:24:09,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 05:24:09,483 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 05:24:09,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 05:24:09,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 05:24:09,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 05:24:09,483 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 05:24:09,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 05:24:09,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 05:24:09,484 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 05:24:09,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 05:24:09,484 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 05:24:09,484 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 05:24:09,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 05:24:09,484 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 05:24:09,484 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 05:24:09,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 05:24:09,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 05:24:09,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 05:24:09,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 05:24:09,722 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 05:24:09,724 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 05:24:09,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl [2022-03-04 05:24:09,725 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/array-int-symm.wvr.bpl' [2022-03-04 05:24:09,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 05:24:09,763 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 05:24:09,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 05:24:09,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 05:24:09,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 05:24:09,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:24:09" (1/1) ... [2022-03-04 05:24:09,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:24:09" (1/1) ... [2022-03-04 05:24:09,787 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 05:24:09,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 05:24:09,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 05:24:09,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 05:24:09,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 05:24:09,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:24:09" (1/1) ... [2022-03-04 05:24:09,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:24:09" (1/1) ... [2022-03-04 05:24:09,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:24:09" (1/1) ... [2022-03-04 05:24:09,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:24:09" (1/1) ... [2022-03-04 05:24:09,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:24:09" (1/1) ... [2022-03-04 05:24:09,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:24:09" (1/1) ... [2022-03-04 05:24:09,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:24:09" (1/1) ... [2022-03-04 05:24:09,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 05:24:09,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 05:24:09,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 05:24:09,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 05:24:09,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:24:09" (1/1) ... [2022-03-04 05:24:09,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 05:24:09,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:09,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 05:24:09,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 05:24:09,900 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 05:24:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 05:24:09,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 05:24:09,900 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 05:24:09,900 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 05:24:09,900 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 05:24:09,901 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 05:24:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 05:24:09,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 05:24:09,902 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 05:24:09,942 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 05:24:09,944 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 05:24:10,030 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 05:24:10,058 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 05:24:10,058 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-03-04 05:24:10,059 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2022-03-04 05:24:10,059 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2022-03-04 05:24:10,060 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 05:24:10 BoogieIcfgContainer [2022-03-04 05:24:10,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 05:24:10,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 05:24:10,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 05:24:10,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 05:24:10,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:24:09" (1/2) ... [2022-03-04 05:24:10,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@340abdb4 and model type array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:24:10, skipping insertion in model container [2022-03-04 05:24:10,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 05:24:10" (2/2) ... [2022-03-04 05:24:10,081 INFO L111 eAbstractionObserver]: Analyzing ICFG array-int-symm.wvr.bpl [2022-03-04 05:24:10,091 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 05:24:10,092 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 05:24:10,092 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 05:24:10,092 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 05:24:10,142 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-04 05:24:10,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 05:24:10,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:10,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 05:24:10,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 05:24:10,244 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 05:24:10,254 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-04 05:24:10,255 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-04 05:24:10,324 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 20 transitions and produced 20 states. [2022-03-04 05:24:10,326 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:10,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:10,335 INFO L85 PathProgramCache]: Analyzing trace with hash -845334535, now seen corresponding path program 1 times [2022-03-04 05:24:10,342 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:10,343 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280167291] [2022-03-04 05:24:10,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:10,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:10,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:10,607 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:10,607 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280167291] [2022-03-04 05:24:10,608 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280167291] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 05:24:10,608 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 05:24:10,608 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-04 05:24:10,609 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058193994] [2022-03-04 05:24:10,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 05:24:10,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-04 05:24:10,613 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:10,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-04 05:24:10,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-04 05:24:10,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:10,631 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:10,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:24:10,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:10,732 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 17 transitions and produced 18 states. [2022-03-04 05:24:10,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:10,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 05:24:10,734 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:10,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:10,734 INFO L85 PathProgramCache]: Analyzing trace with hash -580385373, now seen corresponding path program 1 times [2022-03-04 05:24:10,735 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:10,735 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758349255] [2022-03-04 05:24:10,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:10,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:10,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:10,792 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:10,792 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758349255] [2022-03-04 05:24:10,793 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758349255] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 05:24:10,793 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 05:24:10,793 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-04 05:24:10,793 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436761035] [2022-03-04 05:24:10,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 05:24:10,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-04 05:24:10,795 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:10,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-04 05:24:10,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-04 05:24:10,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:10,796 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:10,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:24:10,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:10,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:10,847 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 34 transitions and produced 30 states. [2022-03-04 05:24:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:10,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:10,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 05:24:10,848 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:10,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:10,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1940531813, now seen corresponding path program 1 times [2022-03-04 05:24:10,849 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:10,849 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777738007] [2022-03-04 05:24:10,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:10,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:11,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:11,134 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:11,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777738007] [2022-03-04 05:24:11,135 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777738007] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:11,136 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94536286] [2022-03-04 05:24:11,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:11,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:11,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:11,138 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:24:11,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 05:24:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:11,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-04 05:24:11,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:24:11,531 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 79 treesize of output 65 [2022-03-04 05:24:11,535 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 65 treesize of output 51 [2022-03-04 05:24:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:11,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:24:12,041 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:24:12,041 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 121 treesize of output 111 [2022-03-04 05:24:12,052 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:24:12,052 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 101 treesize of output 91 [2022-03-04 05:24:12,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:12,255 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94536286] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:24:12,256 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:24:12,256 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2022-03-04 05:24:12,256 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584891814] [2022-03-04 05:24:12,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:24:12,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-04 05:24:12,257 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:12,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-04 05:24:12,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-03-04 05:24:12,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:12,259 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:12,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:24:12,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:12,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:12,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:12,506 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 37 transitions and produced 34 states. [2022-03-04 05:24:12,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:12,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:12,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:12,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-04 05:24:12,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-03-04 05:24:12,715 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:12,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:12,716 INFO L85 PathProgramCache]: Analyzing trace with hash -6313097, now seen corresponding path program 2 times [2022-03-04 05:24:12,716 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:12,716 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085792484] [2022-03-04 05:24:12,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:12,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:12,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:12,841 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:12,841 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085792484] [2022-03-04 05:24:12,841 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085792484] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:12,841 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094760469] [2022-03-04 05:24:12,841 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 05:24:12,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:12,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:12,844 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:24:12,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 05:24:12,877 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 05:24:12,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:24:12,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-04 05:24:12,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:24:13,022 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 37 treesize of output 31 [2022-03-04 05:24:13,025 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 31 treesize of output 25 [2022-03-04 05:24:13,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:13,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:24:13,148 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:24:13,148 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 38 treesize of output 31 [2022-03-04 05:24:13,151 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 21 treesize of output 13 [2022-03-04 05:24:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:13,165 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094760469] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:24:13,165 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:24:13,165 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2022-03-04 05:24:13,166 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325601363] [2022-03-04 05:24:13,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:24:13,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-04 05:24:13,166 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:13,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-04 05:24:13,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-03-04 05:24:13,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:13,167 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:13,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 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) [2022-03-04 05:24:13,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:13,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:13,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:13,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:13,469 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 39 transitions and produced 35 states. [2022-03-04 05:24:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:13,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-04 05:24:13,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 05:24:13,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:13,672 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:13,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:13,672 INFO L85 PathProgramCache]: Analyzing trace with hash -906160713, now seen corresponding path program 1 times [2022-03-04 05:24:13,672 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:13,672 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129395859] [2022-03-04 05:24:13,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:13,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:13,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:13,707 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:13,708 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129395859] [2022-03-04 05:24:13,708 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129395859] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:13,708 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848708947] [2022-03-04 05:24:13,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:13,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:13,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:13,710 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:24:13,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 05:24:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:13,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-04 05:24:13,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:24:13,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:13,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:24:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:13,830 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848708947] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:24:13,830 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:24:13,830 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2022-03-04 05:24:13,830 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904458868] [2022-03-04 05:24:13,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:24:13,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-04 05:24:13,831 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:13,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-04 05:24:13,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-03-04 05:24:13,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:13,832 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:13,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:24:13,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:13,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:13,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:13,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-03-04 05:24:13,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:13,899 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 53 transitions and produced 44 states. [2022-03-04 05:24:13,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:13,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:13,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:13,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 05:24:14,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:14,123 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:14,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:14,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1891924615, now seen corresponding path program 3 times [2022-03-04 05:24:14,124 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:14,124 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301383762] [2022-03-04 05:24:14,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:14,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:14,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:14,228 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:14,228 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301383762] [2022-03-04 05:24:14,228 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301383762] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:14,228 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082210779] [2022-03-04 05:24:14,228 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 05:24:14,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:14,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:14,230 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:24:14,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 05:24:14,258 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-04 05:24:14,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:24:14,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-04 05:24:14,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:24:14,369 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 29 treesize of output 23 [2022-03-04 05:24:14,372 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 7 treesize of output 1 [2022-03-04 05:24:14,377 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 8 treesize of output 1 [2022-03-04 05:24:14,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:14,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:24:14,502 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:24:14,503 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 24 treesize of output 21 [2022-03-04 05:24:14,506 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 9 treesize of output 7 [2022-03-04 05:24:14,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:14,513 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082210779] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:24:14,514 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:24:14,514 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2022-03-04 05:24:14,514 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787339541] [2022-03-04 05:24:14,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:24:14,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-04 05:24:14,514 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:14,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-04 05:24:14,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-03-04 05:24:14,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:14,515 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:14,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 11 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) [2022-03-04 05:24:14,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:14,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:14,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:14,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:14,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:14,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:14,662 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 56 transitions and produced 47 states. [2022-03-04 05:24:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:14,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:14,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 05:24:14,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:14,865 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:14,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:14,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1446621923, now seen corresponding path program 4 times [2022-03-04 05:24:14,865 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:14,865 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514681994] [2022-03-04 05:24:14,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:14,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:15,489 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:15,489 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:15,489 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514681994] [2022-03-04 05:24:15,490 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514681994] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:15,490 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223066720] [2022-03-04 05:24:15,490 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 05:24:15,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:15,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:15,491 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:24:15,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 05:24:15,527 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 05:24:15,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:24:15,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 29 conjunts are in the unsatisfiable core [2022-03-04 05:24:15,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:24:15,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:15,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:15,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:15,941 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 65 [2022-03-04 05:24:15,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:15,945 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 58 treesize of output 46 [2022-03-04 05:24:16,010 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:16,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:24:16,613 INFO L353 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2022-03-04 05:24:16,614 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 4 new quantified variables, introduced 5 case distinctions, treesize of input 226 treesize of output 206 [2022-03-04 05:24:16,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:16,638 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:24:16,638 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 190 treesize of output 184 [2022-03-04 05:24:16,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:16,971 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223066720] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:24:16,971 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:24:16,971 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 19 [2022-03-04 05:24:16,971 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358055852] [2022-03-04 05:24:16,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:24:16,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-04 05:24:16,972 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:16,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-04 05:24:16,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-03-04 05:24:16,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:16,973 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:16,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 19 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:24:16,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:16,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:16,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:16,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:16,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:16,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:16,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:17,198 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 59 transitions and produced 51 states. [2022-03-04 05:24:17,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:17,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:17,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:17,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:17,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:17,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:17,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:17,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 05:24:17,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:17,404 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:17,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:17,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1862349497, now seen corresponding path program 5 times [2022-03-04 05:24:17,404 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:17,405 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057709891] [2022-03-04 05:24:17,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:17,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:17,518 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:17,518 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:17,518 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057709891] [2022-03-04 05:24:17,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057709891] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:17,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242274577] [2022-03-04 05:24:17,519 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 05:24:17,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:17,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:17,520 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:24:17,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 05:24:17,553 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-03-04 05:24:17,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:24:17,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-04 05:24:17,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:24:17,725 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 37 treesize of output 31 [2022-03-04 05:24:17,727 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 31 treesize of output 25 [2022-03-04 05:24:17,767 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:17,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:24:17,878 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:24:17,879 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 38 treesize of output 31 [2022-03-04 05:24:17,882 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 21 treesize of output 13 [2022-03-04 05:24:17,898 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:17,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242274577] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:24:17,899 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:24:17,899 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2022-03-04 05:24:17,899 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427009155] [2022-03-04 05:24:17,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:24:17,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-04 05:24:17,899 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:17,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-04 05:24:17,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-03-04 05:24:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:17,900 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:17,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:24:17,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:17,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:17,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:17,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:17,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:17,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:17,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:17,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:18,313 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 80 transitions and produced 62 states. [2022-03-04 05:24:18,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:18,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:18,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:18,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:18,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:18,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:18,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:18,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:18,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-04 05:24:18,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:18,515 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:18,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:18,515 INFO L85 PathProgramCache]: Analyzing trace with hash -757032713, now seen corresponding path program 6 times [2022-03-04 05:24:18,515 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:18,515 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253724681] [2022-03-04 05:24:18,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:18,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:18,624 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:18,624 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:18,624 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253724681] [2022-03-04 05:24:18,624 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253724681] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:18,625 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822117665] [2022-03-04 05:24:18,625 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 05:24:18,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:18,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:18,626 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) [2022-03-04 05:24:18,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-04 05:24:18,655 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-03-04 05:24:18,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:24:18,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-04 05:24:18,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:24:18,788 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 29 treesize of output 23 [2022-03-04 05:24:18,791 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 8 treesize of output 1 [2022-03-04 05:24:18,795 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 7 treesize of output 1 [2022-03-04 05:24:18,823 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:18,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:24:18,942 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:24:18,943 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 24 treesize of output 21 [2022-03-04 05:24:18,945 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 9 treesize of output 7 [2022-03-04 05:24:18,956 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:18,957 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822117665] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:24:18,957 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:24:18,957 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2022-03-04 05:24:18,959 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715097412] [2022-03-04 05:24:18,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:24:18,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-04 05:24:18,961 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:18,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-04 05:24:18,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-03-04 05:24:18,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:18,962 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:18,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:24:18,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:18,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:18,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:18,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:19,220 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 83 transitions and produced 65 states. [2022-03-04 05:24:19,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:19,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:19,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:19,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:19,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:19,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:19,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:19,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:19,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:19,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-04 05:24:19,422 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,SelfDestructingSolverStorable8 [2022-03-04 05:24:19,422 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:19,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:19,423 INFO L85 PathProgramCache]: Analyzing trace with hash -2026434779, now seen corresponding path program 7 times [2022-03-04 05:24:19,423 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:19,423 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732541246] [2022-03-04 05:24:19,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:19,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:19,991 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:19,991 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:19,991 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732541246] [2022-03-04 05:24:19,991 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732541246] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:19,992 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583684203] [2022-03-04 05:24:19,992 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 05:24:19,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:19,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:19,996 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) [2022-03-04 05:24:20,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-04 05:24:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:20,035 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 41 conjunts are in the unsatisfiable core [2022-03-04 05:24:20,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:24:20,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:20,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:20,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:20,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:20,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:20,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:20,771 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 72 [2022-03-04 05:24:20,774 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:20,774 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 58 treesize of output 46 [2022-03-04 05:24:20,831 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:20,831 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:24:21,770 INFO L353 Elim1Store]: treesize reduction 82, result has 35.4 percent of original size [2022-03-04 05:24:21,771 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 246 treesize of output 238 [2022-03-04 05:24:21,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:21,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:21,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:21,817 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:24:21,817 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 214 treesize of output 252 [2022-03-04 05:24:22,383 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:22,383 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583684203] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:24:22,383 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:24:22,383 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 25 [2022-03-04 05:24:22,383 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079296882] [2022-03-04 05:24:22,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:24:22,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-03-04 05:24:22,384 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:22,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-03-04 05:24:22,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2022-03-04 05:24:22,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:22,385 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:22,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.48) internal successors, (37), 25 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:24:22,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:22,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:22,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:22,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:22,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:22,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:22,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:22,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:22,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:22,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:23,254 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 86 transitions and produced 69 states. [2022-03-04 05:24:23,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:23,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:23,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:23,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:23,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:23,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:23,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:23,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:23,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:23,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:23,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-04 05:24:23,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-04 05:24:23,460 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:23,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:23,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1571774135, now seen corresponding path program 8 times [2022-03-04 05:24:23,460 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:23,460 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974341925] [2022-03-04 05:24:23,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:23,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:23,633 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:23,633 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:23,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974341925] [2022-03-04 05:24:23,634 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974341925] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:23,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633818015] [2022-03-04 05:24:23,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 05:24:23,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:23,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:23,639 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) [2022-03-04 05:24:23,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-04 05:24:23,675 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 05:24:23,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:24:23,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-04 05:24:23,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:24:23,832 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 37 treesize of output 31 [2022-03-04 05:24:23,834 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 31 treesize of output 25 [2022-03-04 05:24:23,867 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:23,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:24:23,956 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:24:23,956 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 38 treesize of output 31 [2022-03-04 05:24:23,958 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 21 treesize of output 13 [2022-03-04 05:24:23,976 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:23,976 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633818015] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:24:23,976 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:24:23,976 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2022-03-04 05:24:23,977 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364483101] [2022-03-04 05:24:23,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:24:23,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-04 05:24:23,977 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:23,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-04 05:24:23,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-03-04 05:24:23,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:23,978 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:23,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 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) [2022-03-04 05:24:23,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:23,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:23,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:23,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:23,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:23,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:23,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:23,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:23,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:23,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:23,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:24,477 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 112 transitions and produced 82 states. [2022-03-04 05:24:24,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:24,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:24,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:24,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:24,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:24,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:24,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:24,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:24,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:24,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:24,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:24,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-04 05:24:24,678 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,SelfDestructingSolverStorable10 [2022-03-04 05:24:24,679 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:24,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:24,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1975304249, now seen corresponding path program 9 times [2022-03-04 05:24:24,679 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:24,679 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651766404] [2022-03-04 05:24:24,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:24,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:24,817 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:24,817 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:24,818 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651766404] [2022-03-04 05:24:24,818 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651766404] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:24,818 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493462914] [2022-03-04 05:24:24,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 05:24:24,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:24,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:24,819 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) [2022-03-04 05:24:24,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-04 05:24:24,856 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-03-04 05:24:24,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:24:24,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2022-03-04 05:24:24,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:24:25,005 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 29 treesize of output 23 [2022-03-04 05:24:25,008 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 7 treesize of output 1 [2022-03-04 05:24:25,012 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 8 treesize of output 1 [2022-03-04 05:24:25,038 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:25,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:24:25,154 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:24:25,154 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 24 treesize of output 21 [2022-03-04 05:24:25,159 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 9 treesize of output 7 [2022-03-04 05:24:25,178 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:25,179 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493462914] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:24:25,179 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:24:25,179 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2022-03-04 05:24:25,179 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56033340] [2022-03-04 05:24:25,179 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:24:25,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-03-04 05:24:25,179 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:25,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-03-04 05:24:25,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-03-04 05:24:25,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:25,180 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:25,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 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) [2022-03-04 05:24:25,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:25,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:25,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:25,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:25,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:25,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:25,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:25,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:25,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:25,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:25,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:25,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:25,500 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 115 transitions and produced 85 states. [2022-03-04 05:24:25,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:25,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:25,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:25,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:25,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:25,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:25,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:25,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:25,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:25,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:25,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:25,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:24:25,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-04 05:24:25,701 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,SelfDestructingSolverStorable11 [2022-03-04 05:24:25,702 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:25,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:25,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1071632419, now seen corresponding path program 10 times [2022-03-04 05:24:25,702 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:25,702 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393065365] [2022-03-04 05:24:25,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:25,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:26,186 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:26,186 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:26,187 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393065365] [2022-03-04 05:24:26,187 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393065365] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:26,187 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587561306] [2022-03-04 05:24:26,187 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 05:24:26,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:26,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:26,188 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) [2022-03-04 05:24:26,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-04 05:24:26,217 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 05:24:26,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:24:26,218 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 53 conjunts are in the unsatisfiable core [2022-03-04 05:24:26,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:24:27,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:27,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:27,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:27,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:27,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:27,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:27,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:27,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:27,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:27,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:27,205 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 103 treesize of output 79 [2022-03-04 05:24:27,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:27,209 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 58 treesize of output 46 [2022-03-04 05:24:27,286 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:27,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:24:28,629 INFO L353 Elim1Store]: treesize reduction 170, result has 27.0 percent of original size [2022-03-04 05:24:28,630 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 248 treesize of output 252 [2022-03-04 05:24:28,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:28,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:28,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:28,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:28,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:28,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:28,702 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:24:28,703 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 16 case distinctions, treesize of input 220 treesize of output 322 [2022-03-04 05:24:29,642 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:29,642 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587561306] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:24:29,642 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:24:29,642 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 32 [2022-03-04 05:24:29,642 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179874246] [2022-03-04 05:24:29,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:24:29,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-04 05:24:29,643 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:29,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-04 05:24:29,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=911, Unknown=0, NotChecked=0, Total=992 [2022-03-04 05:24:29,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:29,643 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:29,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.46875) internal successors, (47), 32 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:24:29,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:29,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:29,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:29,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:29,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:29,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:29,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:29,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:29,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:29,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:29,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:29,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:24:29,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:31,438 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 118 transitions and produced 89 states. [2022-03-04 05:24:31,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:31,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:31,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:31,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:31,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:31,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:31,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:31,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:31,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:31,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:31,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:31,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:24:31,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:24:31,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-03-04 05:24:31,640 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,SelfDestructingSolverStorable12 [2022-03-04 05:24:31,640 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:31,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:31,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1172390535, now seen corresponding path program 11 times [2022-03-04 05:24:31,641 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:31,641 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70044721] [2022-03-04 05:24:31,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:31,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:31,810 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:31,810 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:31,811 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70044721] [2022-03-04 05:24:31,811 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70044721] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:31,811 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330341581] [2022-03-04 05:24:31,811 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 05:24:31,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:31,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:31,812 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) [2022-03-04 05:24:31,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-03-04 05:24:31,840 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-03-04 05:24:31,841 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:24:31,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-04 05:24:31,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:24:32,021 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 37 treesize of output 31 [2022-03-04 05:24:32,023 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 31 treesize of output 25 [2022-03-04 05:24:32,054 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:32,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:24:32,172 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:24:32,172 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 31 [2022-03-04 05:24:32,174 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 21 treesize of output 13 [2022-03-04 05:24:32,197 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:32,197 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330341581] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:24:32,197 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:24:32,197 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 20 [2022-03-04 05:24:32,197 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36343172] [2022-03-04 05:24:32,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:24:32,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-04 05:24:32,198 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:32,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-04 05:24:32,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-03-04 05:24:32,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:32,199 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:32,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 20 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) [2022-03-04 05:24:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:24:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:24:32,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:32,916 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 149 transitions and produced 104 states. [2022-03-04 05:24:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:24:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:24:32,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:24:32,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-03-04 05:24:33,118 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,SelfDestructingSolverStorable13 [2022-03-04 05:24:33,118 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:33,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:33,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1547858889, now seen corresponding path program 12 times [2022-03-04 05:24:33,119 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:33,119 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54882857] [2022-03-04 05:24:33,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:33,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:33,300 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:33,300 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:33,300 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54882857] [2022-03-04 05:24:33,300 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54882857] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:33,300 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530921764] [2022-03-04 05:24:33,300 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 05:24:33,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:33,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:33,302 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) [2022-03-04 05:24:33,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-03-04 05:24:33,338 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-03-04 05:24:33,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:24:33,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 26 conjunts are in the unsatisfiable core [2022-03-04 05:24:33,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:24:33,515 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 29 treesize of output 23 [2022-03-04 05:24:33,517 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 8 treesize of output 1 [2022-03-04 05:24:33,522 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 7 treesize of output 1 [2022-03-04 05:24:33,547 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:33,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:24:33,659 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:24:33,660 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 24 treesize of output 21 [2022-03-04 05:24:33,665 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 9 treesize of output 7 [2022-03-04 05:24:33,682 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:33,682 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530921764] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:24:33,682 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:24:33,682 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 20 [2022-03-04 05:24:33,682 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671911769] [2022-03-04 05:24:33,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:24:33,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-04 05:24:33,683 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:33,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-04 05:24:33,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-03-04 05:24:33,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:33,684 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:33,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.45) internal successors, (29), 20 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) [2022-03-04 05:24:33,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:33,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:33,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:33,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:33,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:33,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:33,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:33,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:33,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:33,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:33,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:33,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:24:33,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:24:33,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:24:33,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:34,230 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 152 transitions and produced 107 states. [2022-03-04 05:24:34,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:34,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:34,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:34,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:24:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:24:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:24:34,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:34,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-03-04 05:24:34,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:34,439 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:34,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:34,439 INFO L85 PathProgramCache]: Analyzing trace with hash -772242459, now seen corresponding path program 13 times [2022-03-04 05:24:34,439 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:34,439 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90022728] [2022-03-04 05:24:34,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:34,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:35,244 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:35,245 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:35,245 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90022728] [2022-03-04 05:24:35,245 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90022728] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:35,245 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335676476] [2022-03-04 05:24:35,245 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 05:24:35,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:35,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:35,248 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) [2022-03-04 05:24:35,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-03-04 05:24:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:35,291 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 65 conjunts are in the unsatisfiable core [2022-03-04 05:24:35,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:24:36,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:36,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:36,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:36,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:36,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:36,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:36,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:36,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:36,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:36,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:36,701 INFO L353 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2022-03-04 05:24:36,701 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 6 new quantified variables, introduced 5 case distinctions, treesize of input 118 treesize of output 93 [2022-03-04 05:24:36,708 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-03-04 05:24:36,709 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 62 treesize of output 53 [2022-03-04 05:24:36,752 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:36,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:24:38,616 INFO L353 Elim1Store]: treesize reduction 290, result has 21.8 percent of original size [2022-03-04 05:24:38,616 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 268 treesize of output 284 [2022-03-04 05:24:38,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:38,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:38,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:38,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:38,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:38,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:38,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:38,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:38,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:38,635 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:38,726 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:24:38,727 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 244 treesize of output 430 [2022-03-04 05:24:40,448 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:40,448 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335676476] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:24:40,448 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:24:40,448 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 37 [2022-03-04 05:24:40,449 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524113557] [2022-03-04 05:24:40,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:24:40,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-03-04 05:24:40,449 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:40,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-03-04 05:24:40,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1234, Unknown=0, NotChecked=0, Total=1332 [2022-03-04 05:24:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:40,450 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:40,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:24:40,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:40,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:40,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:40,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:40,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:40,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:40,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:40,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:40,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:40,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:40,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:40,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:24:40,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:24:40,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:24:40,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:40,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:43,042 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 155 transitions and produced 111 states. [2022-03-04 05:24:43,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:43,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:43,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:24:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:24:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:24:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:43,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:24:43,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-03-04 05:24:43,247 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,SelfDestructingSolverStorable15 [2022-03-04 05:24:43,247 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:43,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:43,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1797030391, now seen corresponding path program 14 times [2022-03-04 05:24:43,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:43,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374871046] [2022-03-04 05:24:43,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:43,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:43,464 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:43,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:43,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374871046] [2022-03-04 05:24:43,464 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374871046] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:43,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400585178] [2022-03-04 05:24:43,464 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 05:24:43,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:43,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:43,465 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) [2022-03-04 05:24:43,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-03-04 05:24:43,497 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 05:24:43,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:24:43,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2022-03-04 05:24:43,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:24:43,715 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 37 treesize of output 31 [2022-03-04 05:24:43,717 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 31 treesize of output 25 [2022-03-04 05:24:43,756 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:43,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:24:43,856 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:24:43,856 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 38 treesize of output 31 [2022-03-04 05:24:43,858 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 21 treesize of output 13 [2022-03-04 05:24:43,884 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:43,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400585178] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:24:43,884 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:24:43,884 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 23 [2022-03-04 05:24:43,884 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573063020] [2022-03-04 05:24:43,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:24:43,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-04 05:24:43,884 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:43,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-04 05:24:43,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2022-03-04 05:24:43,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:43,885 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:43,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 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) [2022-03-04 05:24:43,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:43,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:43,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:43,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:43,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:43,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:43,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:43,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:43,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:43,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:43,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:43,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:24:43,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:24:43,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:24:43,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:43,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:24:43,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:44,699 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 191 transitions and produced 128 states. [2022-03-04 05:24:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:24:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:24:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:24:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:24:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:24:44,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-03-04 05:24:44,901 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,SelfDestructingSolverStorable16 [2022-03-04 05:24:44,901 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:44,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:44,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1252553991, now seen corresponding path program 15 times [2022-03-04 05:24:44,901 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:44,902 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126423584] [2022-03-04 05:24:44,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:44,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:45,088 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:45,088 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:45,088 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126423584] [2022-03-04 05:24:45,088 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126423584] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:45,089 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725811905] [2022-03-04 05:24:45,089 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 05:24:45,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:45,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:45,090 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) [2022-03-04 05:24:45,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-03-04 05:24:45,124 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-03-04 05:24:45,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:24:45,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjunts are in the unsatisfiable core [2022-03-04 05:24:45,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:24:45,328 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 29 treesize of output 23 [2022-03-04 05:24:45,330 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 8 treesize of output 1 [2022-03-04 05:24:45,335 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 7 treesize of output 1 [2022-03-04 05:24:45,373 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:45,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:24:45,491 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:24:45,491 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 24 treesize of output 21 [2022-03-04 05:24:45,493 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 9 treesize of output 7 [2022-03-04 05:24:45,513 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:45,513 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725811905] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:24:45,514 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:24:45,514 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 23 [2022-03-04 05:24:45,514 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052564336] [2022-03-04 05:24:45,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:24:45,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-04 05:24:45,514 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:45,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-04 05:24:45,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2022-03-04 05:24:45,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:45,515 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:45,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 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) [2022-03-04 05:24:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:45,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:24:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:24:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:24:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:24:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:24:45,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:46,063 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 194 transitions and produced 131 states. [2022-03-04 05:24:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:24:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:24:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:24:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:24:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:24:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:24:46,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-03-04 05:24:46,267 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,SelfDestructingSolverStorable17 [2022-03-04 05:24:46,267 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:46,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:46,268 INFO L85 PathProgramCache]: Analyzing trace with hash -207725213, now seen corresponding path program 16 times [2022-03-04 05:24:46,268 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:46,268 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961662394] [2022-03-04 05:24:46,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:46,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:46,751 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:46,751 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:46,751 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961662394] [2022-03-04 05:24:46,751 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961662394] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:46,751 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515310757] [2022-03-04 05:24:46,751 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 05:24:46,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:46,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:46,752 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) [2022-03-04 05:24:46,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-03-04 05:24:46,783 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 05:24:46,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:24:46,784 WARN L261 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 77 conjunts are in the unsatisfiable core [2022-03-04 05:24:46,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:24:48,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:48,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:48,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:48,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:48,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:48,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:48,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:48,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:48,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:48,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:48,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:48,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:48,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:48,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:48,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:48,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:48,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:48,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:24:48,371 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 93 [2022-03-04 05:24:48,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:48,373 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 58 treesize of output 46 [2022-03-04 05:24:48,401 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:48,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:24:50,597 INFO L353 Elim1Store]: treesize reduction 442, result has 18.3 percent of original size [2022-03-04 05:24:50,597 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 288 treesize of output 316 [2022-03-04 05:24:50,605 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:50,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:50,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:50,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:50,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:50,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:50,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:50,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:50,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:50,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:50,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:50,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:50,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:50,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:50,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:24:50,776 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:24:50,777 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 30 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 36 case distinctions, treesize of input 268 treesize of output 558 [2022-03-04 05:24:52,539 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:52,539 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515310757] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:24:52,539 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:24:52,539 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 43 [2022-03-04 05:24:52,539 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765508632] [2022-03-04 05:24:52,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:24:52,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-03-04 05:24:52,540 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:52,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-03-04 05:24:52,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1683, Unknown=0, NotChecked=0, Total=1806 [2022-03-04 05:24:52,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:52,541 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:52,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 43 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:24:52,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:52,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:52,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:52,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:52,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:52,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:52,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:52,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:52,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:52,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:52,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:52,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:24:52,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:24:52,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:24:52,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:52,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:24:52,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:24:52,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:24:52,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:55,127 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 197 transitions and produced 135 states. [2022-03-04 05:24:55,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:24:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:24:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:24:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:24:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:24:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:24:55,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:24:55,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-03-04 05:24:55,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:55,329 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:55,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:55,330 INFO L85 PathProgramCache]: Analyzing trace with hash 2117195833, now seen corresponding path program 17 times [2022-03-04 05:24:55,330 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:55,330 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879551394] [2022-03-04 05:24:55,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:55,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:55,576 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:55,576 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:55,576 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879551394] [2022-03-04 05:24:55,576 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879551394] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:55,576 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290537208] [2022-03-04 05:24:55,576 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 05:24:55,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:55,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:55,578 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) [2022-03-04 05:24:55,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-03-04 05:24:55,611 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2022-03-04 05:24:55,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:24:55,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2022-03-04 05:24:55,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:24:55,864 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 37 treesize of output 31 [2022-03-04 05:24:55,866 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 31 treesize of output 25 [2022-03-04 05:24:55,902 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:55,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:24:56,012 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:24:56,012 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 38 treesize of output 31 [2022-03-04 05:24:56,015 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 21 treesize of output 13 [2022-03-04 05:24:56,044 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:56,044 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290537208] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:24:56,044 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:24:56,044 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 26 [2022-03-04 05:24:56,044 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302736837] [2022-03-04 05:24:56,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:24:56,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-04 05:24:56,045 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:56,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-04 05:24:56,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2022-03-04 05:24:56,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:56,045 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:56,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:24:56,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:56,964 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 238 transitions and produced 154 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:24:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:24:56,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2022-03-04 05:24:57,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:57,166 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:57,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:57,166 INFO L85 PathProgramCache]: Analyzing trace with hash 2069360503, now seen corresponding path program 18 times [2022-03-04 05:24:57,166 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:57,166 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969471559] [2022-03-04 05:24:57,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:57,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:57,387 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:57,388 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:57,388 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969471559] [2022-03-04 05:24:57,388 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969471559] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:57,388 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831243857] [2022-03-04 05:24:57,388 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 05:24:57,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:57,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:57,395 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) [2022-03-04 05:24:57,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-03-04 05:24:57,429 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2022-03-04 05:24:57,430 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:24:57,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjunts are in the unsatisfiable core [2022-03-04 05:24:57,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:24:57,664 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 29 treesize of output 23 [2022-03-04 05:24:57,666 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 7 treesize of output 1 [2022-03-04 05:24:57,670 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 8 treesize of output 1 [2022-03-04 05:24:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:57,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:24:57,850 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:24:57,851 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 24 treesize of output 21 [2022-03-04 05:24:57,854 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 9 treesize of output 7 [2022-03-04 05:24:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:57,885 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831243857] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:24:57,885 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:24:57,885 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 26 [2022-03-04 05:24:57,885 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669964653] [2022-03-04 05:24:57,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:24:57,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-04 05:24:57,886 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:24:57,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-04 05:24:57,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=585, Unknown=0, NotChecked=0, Total=650 [2022-03-04 05:24:57,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:57,887 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:24:57,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:24:57,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:57,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:57,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:57,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:57,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:57,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:57,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:57,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:57,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:57,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:57,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:57,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:24:57,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:24:57,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:24:57,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:57,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:24:57,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:24:57,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:24:57,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:24:57,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:24:57,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:24:58,647 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 241 transitions and produced 157 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:24:58,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:24:58,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:24:58,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-03-04 05:24:58,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-03-04 05:24:58,849 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:24:58,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:24:58,850 INFO L85 PathProgramCache]: Analyzing trace with hash -307591003, now seen corresponding path program 19 times [2022-03-04 05:24:58,850 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:24:58,850 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982954918] [2022-03-04 05:24:58,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:24:58,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:24:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:59,468 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:24:59,469 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:24:59,469 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982954918] [2022-03-04 05:24:59,469 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982954918] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:24:59,469 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877117331] [2022-03-04 05:24:59,469 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 05:24:59,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:24:59,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:24:59,470 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) [2022-03-04 05:24:59,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-03-04 05:24:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:24:59,509 WARN L261 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 89 conjunts are in the unsatisfiable core [2022-03-04 05:24:59,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:25:01,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:01,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:01,557 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 100 [2022-03-04 05:25:01,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:01,560 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 58 treesize of output 46 [2022-03-04 05:25:01,608 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:25:01,608 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:25:04,549 INFO L353 Elim1Store]: treesize reduction 626, result has 15.7 percent of original size [2022-03-04 05:25:04,549 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 70 case distinctions, treesize of input 308 treesize of output 348 [2022-03-04 05:25:04,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,568 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,570 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,587 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:04,800 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:25:04,801 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 42 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 49 case distinctions, treesize of input 292 treesize of output 706 [2022-03-04 05:25:08,817 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:25:08,817 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877117331] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:25:08,817 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:25:08,817 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 50 [2022-03-04 05:25:08,817 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105787342] [2022-03-04 05:25:08,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:25:08,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-03-04 05:25:08,817 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:25:08,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-03-04 05:25:08,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2313, Unknown=0, NotChecked=0, Total=2450 [2022-03-04 05:25:08,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:25:08,818 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:25:08,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 1.24) internal successors, (62), 50 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:25:08,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:08,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:25:08,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:08,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:08,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:08,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:08,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:25:08,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:08,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:25:08,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:25:08,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:25:08,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:25:08,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:25:08,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:25:08,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:08,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:25:08,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:25:08,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:25:08,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:25:08,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:25:08,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:08,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:25:12,419 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 244 transitions and produced 161 states. [2022-03-04 05:25:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:25:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:25:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:25:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:25:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:25:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:25:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:25:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:25:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:12,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:25:12,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:25:12,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:25:12,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:25:12,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:25:12,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:12,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:25:12,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-03-04 05:25:12,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-03-04 05:25:12,622 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:25:12,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:25:12,622 INFO L85 PathProgramCache]: Analyzing trace with hash -978643657, now seen corresponding path program 20 times [2022-03-04 05:25:12,622 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:25:12,622 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594958738] [2022-03-04 05:25:12,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:25:12,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:25:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:25:12,919 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:25:12,920 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:25:12,920 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594958738] [2022-03-04 05:25:12,920 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594958738] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:25:12,920 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389741445] [2022-03-04 05:25:12,920 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 05:25:12,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:25:12,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:25:12,922 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) [2022-03-04 05:25:12,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-03-04 05:25:12,967 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 05:25:12,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:25:12,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2022-03-04 05:25:12,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:25:13,286 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 37 treesize of output 31 [2022-03-04 05:25:13,288 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 31 treesize of output 25 [2022-03-04 05:25:13,331 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:25:13,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:25:13,450 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:25:13,450 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 38 treesize of output 31 [2022-03-04 05:25:13,453 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 21 treesize of output 13 [2022-03-04 05:25:13,488 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:25:13,488 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389741445] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:25:13,488 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:25:13,488 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 29 [2022-03-04 05:25:13,488 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860699540] [2022-03-04 05:25:13,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:25:13,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-04 05:25:13,489 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:25:13,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-04 05:25:13,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2022-03-04 05:25:13,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:25:13,489 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:25:13,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 29 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:25:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:25:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:25:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:25:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:25:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:25:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:25:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:25:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:25:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:25:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:25:13,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:25:13,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:25:13,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:25:13,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:13,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:25:13,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:25:14,661 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 290 transitions and produced 182 states. [2022-03-04 05:25:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:25:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:25:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:25:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:25:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:25:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:25:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:25:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:25:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:25:14,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:25:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:25:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:25:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:25:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:25:14,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:25:14,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-03-04 05:25:14,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:25:14,862 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:25:14,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:25:14,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1833428409, now seen corresponding path program 21 times [2022-03-04 05:25:14,863 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:25:14,863 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156194285] [2022-03-04 05:25:14,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:25:14,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:25:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:25:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:25:15,153 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:25:15,153 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156194285] [2022-03-04 05:25:15,153 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156194285] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:25:15,153 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780411251] [2022-03-04 05:25:15,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 05:25:15,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:25:15,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:25:15,156 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) [2022-03-04 05:25:15,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-03-04 05:25:15,211 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-03-04 05:25:15,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:25:15,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 38 conjunts are in the unsatisfiable core [2022-03-04 05:25:15,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:25:15,563 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 29 treesize of output 23 [2022-03-04 05:25:15,565 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 7 treesize of output 1 [2022-03-04 05:25:15,569 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 8 treesize of output 1 [2022-03-04 05:25:15,598 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:25:15,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:25:15,734 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:25:15,734 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 24 treesize of output 21 [2022-03-04 05:25:15,736 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 9 treesize of output 7 [2022-03-04 05:25:15,764 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:25:15,764 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780411251] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:25:15,764 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:25:15,765 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 29 [2022-03-04 05:25:15,765 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868200826] [2022-03-04 05:25:15,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:25:15,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-03-04 05:25:15,765 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:25:15,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-03-04 05:25:15,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2022-03-04 05:25:15,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:25:15,765 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:25:15,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 29 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:25:15,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:25:15,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:25:16,625 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 293 transitions and produced 185 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:25:16,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:25:16,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:25:16,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-03-04 05:25:16,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:25:16,827 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:25:16,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:25:16,828 INFO L85 PathProgramCache]: Analyzing trace with hash 968448675, now seen corresponding path program 22 times [2022-03-04 05:25:16,828 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:25:16,828 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020629778] [2022-03-04 05:25:16,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:25:16,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:25:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:25:17,412 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:25:17,412 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:25:17,412 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020629778] [2022-03-04 05:25:17,413 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020629778] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:25:17,413 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071449136] [2022-03-04 05:25:17,413 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 05:25:17,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:25:17,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:25:17,414 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:25:17,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-03-04 05:25:17,451 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 05:25:17,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:25:17,452 WARN L261 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 101 conjunts are in the unsatisfiable core [2022-03-04 05:25:17,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:25:19,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:19,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:19,866 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 107 [2022-03-04 05:25:19,869 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:19,870 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 58 treesize of output 46 [2022-03-04 05:25:19,907 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:25:19,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:25:23,425 INFO L353 Elim1Store]: treesize reduction 842, result has 13.8 percent of original size [2022-03-04 05:25:23,425 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 328 treesize of output 380 [2022-03-04 05:25:23,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,451 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,455 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,467 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,473 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:23,789 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:25:23,790 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 56 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 64 case distinctions, treesize of input 316 treesize of output 874 [2022-03-04 05:25:30,360 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:25:30,361 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071449136] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:25:30,361 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:25:30,361 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 55 [2022-03-04 05:25:30,361 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123767857] [2022-03-04 05:25:30,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:25:30,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-03-04 05:25:30,362 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:25:30,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-03-04 05:25:30,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=2811, Unknown=0, NotChecked=0, Total=2970 [2022-03-04 05:25:30,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:25:30,363 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:25:30,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 55 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:25:30,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:30,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:25:30,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:30,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:30,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:30,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:30,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:25:30,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:30,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:25:30,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:25:30,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:25:30,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:25:30,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:25:30,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:25:30,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:30,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:25:30,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:25:30,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:25:30,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:25:30,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:25:30,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:30,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:25:30,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:25:30,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:25:30,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:25:35,596 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 296 transitions and produced 189 states. [2022-03-04 05:25:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:25:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:25:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:25:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:25:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:25:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:25:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:25:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:25:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:25:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:25:35,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:25:35,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:25:35,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:25:35,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:35,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:25:35,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:25:35,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:25:35,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:25:35,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-03-04 05:25:35,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-03-04 05:25:35,798 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:25:35,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:25:35,798 INFO L85 PathProgramCache]: Analyzing trace with hash -76119303, now seen corresponding path program 23 times [2022-03-04 05:25:35,798 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:25:35,798 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802688593] [2022-03-04 05:25:35,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:25:35,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:25:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:25:36,141 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:25:36,141 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:25:36,142 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802688593] [2022-03-04 05:25:36,142 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802688593] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:25:36,142 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079463592] [2022-03-04 05:25:36,142 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 05:25:36,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:25:36,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:25:36,143 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:25:36,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-03-04 05:25:36,198 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-03-04 05:25:36,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:25:36,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 42 conjunts are in the unsatisfiable core [2022-03-04 05:25:36,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:25:36,622 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 37 treesize of output 31 [2022-03-04 05:25:36,624 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 31 treesize of output 25 [2022-03-04 05:25:36,662 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:25:36,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:25:36,791 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:25:36,792 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 38 treesize of output 31 [2022-03-04 05:25:36,794 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 21 treesize of output 13 [2022-03-04 05:25:36,830 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:25:36,830 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079463592] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:25:36,830 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:25:36,830 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 32 [2022-03-04 05:25:36,830 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217816837] [2022-03-04 05:25:36,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:25:36,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-04 05:25:36,830 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:25:36,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-04 05:25:36,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=911, Unknown=0, NotChecked=0, Total=992 [2022-03-04 05:25:36,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:25:36,831 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:25:36,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:25:36,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:36,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:25:36,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:36,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:36,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:36,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:36,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:25:36,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:36,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:25:36,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:25:36,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:25:36,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:25:36,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:25:36,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:25:36,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:36,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:25:36,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:25:36,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:25:36,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:25:36,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:25:36,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:36,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:25:36,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:25:36,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:25:36,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:25:36,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:25:38,172 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 347 transitions and produced 212 states. [2022-03-04 05:25:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:25:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:25:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:25:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:25:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:25:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:25:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:25:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:25:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:38,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:25:38,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:25:38,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:25:38,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:25:38,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:25:38,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:38,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:25:38,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:25:38,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:25:38,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:25:38,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:25:38,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-03-04 05:25:38,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-03-04 05:25:38,374 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:25:38,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:25:38,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1198768823, now seen corresponding path program 24 times [2022-03-04 05:25:38,375 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:25:38,375 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35322023] [2022-03-04 05:25:38,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:25:38,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:25:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:25:38,719 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:25:38,719 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:25:38,719 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35322023] [2022-03-04 05:25:38,719 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35322023] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:25:38,720 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749721414] [2022-03-04 05:25:38,720 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 05:25:38,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:25:38,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:25:38,721 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:25:38,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-03-04 05:25:38,763 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2022-03-04 05:25:38,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:25:38,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 44 conjunts are in the unsatisfiable core [2022-03-04 05:25:38,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:25:39,086 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 29 treesize of output 23 [2022-03-04 05:25:39,089 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 8 treesize of output 1 [2022-03-04 05:25:39,092 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 7 treesize of output 1 [2022-03-04 05:25:39,123 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:25:39,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:25:39,265 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:25:39,265 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 24 treesize of output 21 [2022-03-04 05:25:39,267 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 9 treesize of output 7 [2022-03-04 05:25:39,308 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:25:39,308 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749721414] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:25:39,308 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:25:39,308 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 32 [2022-03-04 05:25:39,309 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866348736] [2022-03-04 05:25:39,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:25:39,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-03-04 05:25:39,309 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:25:39,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-03-04 05:25:39,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=911, Unknown=0, NotChecked=0, Total=992 [2022-03-04 05:25:39,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:25:39,310 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:25:39,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:25:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:25:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:25:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:25:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:25:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:25:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:25:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:25:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:25:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:25:39,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:25:39,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:25:39,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:25:39,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:25:39,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:39,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:25:39,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:25:39,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:25:39,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:25:39,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:25:39,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:25:40,230 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 350 transitions and produced 215 states. [2022-03-04 05:25:40,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:40,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:25:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:25:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:25:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:25:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:25:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:25:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:25:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:25:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:25:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:25:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:25:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:25:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:25:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:25:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:25:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:25:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:25:40,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:25:40,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:25:40,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:25:40,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:25:40,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:25:40,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:25:40,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2022-03-04 05:25:40,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-03-04 05:25:40,433 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:25:40,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:25:40,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1526129307, now seen corresponding path program 25 times [2022-03-04 05:25:40,433 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:25:40,433 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501260281] [2022-03-04 05:25:40,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:25:40,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:25:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:25:41,497 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:25:41,497 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:25:41,497 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501260281] [2022-03-04 05:25:41,497 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501260281] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:25:41,497 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015216563] [2022-03-04 05:25:41,497 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 05:25:41,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:25:41,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:25:41,499 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:25:41,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-03-04 05:25:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:25:41,537 WARN L261 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 113 conjunts are in the unsatisfiable core [2022-03-04 05:25:41,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:25:44,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:44,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:25:44,627 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 9 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 114 [2022-03-04 05:25:44,634 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:44,635 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 58 treesize of output 46 [2022-03-04 05:25:44,716 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:25:44,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:25:49,306 INFO L353 Elim1Store]: treesize reduction 1090, result has 12.3 percent of original size [2022-03-04 05:25:49,307 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 36 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 117 case distinctions, treesize of input 367 treesize of output 431 [2022-03-04 05:25:49,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,324 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,339 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,358 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:25:49,831 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:25:49,832 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 72 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 81 case distinctions, treesize of input 359 treesize of output 1081 [2022-03-04 05:26:01,681 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:26:01,682 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015216563] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:26:01,682 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:26:01,682 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22, 22] total 61 [2022-03-04 05:26:01,682 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311187249] [2022-03-04 05:26:01,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:26:01,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-03-04 05:26:01,682 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:26:01,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-03-04 05:26:01,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=3483, Unknown=0, NotChecked=0, Total=3660 [2022-03-04 05:26:01,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:26:01,684 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:26:01,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 1.1967213114754098) internal successors, (73), 61 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:26:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:26:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:26:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:26:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:26:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:26:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:26:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:26:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:26:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:26:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:26:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:26:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:26:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:26:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:26:01,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:26:01,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:26:01,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:26:01,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:26:01,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:26:01,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:26:01,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:26:01,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:26:01,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:26:01,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:26:01,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:26:01,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:26:01,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:26:01,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:26:10,711 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 353 transitions and produced 219 states. [2022-03-04 05:26:10,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:26:10,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:26:10,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:26:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:26:10,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:26:10,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-03-04 05:26:10,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-03-04 05:26:10,920 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:26:10,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:26:10,926 INFO L85 PathProgramCache]: Analyzing trace with hash -98625417, now seen corresponding path program 26 times [2022-03-04 05:26:10,926 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:26:10,926 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182500868] [2022-03-04 05:26:10,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:26:10,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:26:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:26:11,306 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:26:11,306 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:26:11,306 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182500868] [2022-03-04 05:26:11,306 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182500868] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:26:11,306 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576586419] [2022-03-04 05:26:11,306 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 05:26:11,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:26:11,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:26:11,307 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:26:11,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-03-04 05:26:11,352 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 05:26:11,352 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:26:11,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2022-03-04 05:26:11,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:26:11,760 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 37 treesize of output 31 [2022-03-04 05:26:11,762 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 31 treesize of output 25 [2022-03-04 05:26:11,806 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:26:11,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:26:11,946 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:26:11,946 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 38 treesize of output 31 [2022-03-04 05:26:11,949 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 21 treesize of output 13 [2022-03-04 05:26:11,991 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:26:11,991 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576586419] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:26:11,991 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:26:11,991 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 35 [2022-03-04 05:26:11,991 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907717731] [2022-03-04 05:26:11,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:26:11,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-03-04 05:26:11,992 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:26:11,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-03-04 05:26:11,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1101, Unknown=0, NotChecked=0, Total=1190 [2022-03-04 05:26:11,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:26:11,992 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:26:11,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 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) [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:26:11,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:26:11,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:26:11,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:26:11,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:26:11,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:26:11,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:26:11,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:26:11,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:26:11,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:26:13,721 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 409 transitions and produced 244 states. [2022-03-04 05:26:13,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:26:13,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:26:13,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:26:13,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:26:13,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:26:13,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:26:13,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:26:13,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:26:13,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:26:13,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:26:13,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:26:13,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:26:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:26:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:26:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:26:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:26:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:26:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:26:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:26:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:26:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:26:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:26:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:26:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:26:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:26:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:26:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:26:13,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:26:13,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:26:13,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-03-04 05:26:13,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-03-04 05:26:13,923 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:26:13,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:26:13,924 INFO L85 PathProgramCache]: Analyzing trace with hash 768200825, now seen corresponding path program 27 times [2022-03-04 05:26:13,924 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:26:13,924 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591555007] [2022-03-04 05:26:13,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:26:13,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:26:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:26:14,293 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:26:14,293 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:26:14,293 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591555007] [2022-03-04 05:26:14,293 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591555007] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:26:14,293 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863208822] [2022-03-04 05:26:14,294 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 05:26:14,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:26:14,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:26:14,295 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:26:14,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-03-04 05:26:14,340 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-03-04 05:26:14,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:26:14,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 46 conjunts are in the unsatisfiable core [2022-03-04 05:26:14,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:26:14,706 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 29 treesize of output 23 [2022-03-04 05:26:14,708 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 8 treesize of output 1 [2022-03-04 05:26:14,712 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 7 treesize of output 1 [2022-03-04 05:26:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:26:14,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:26:14,899 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:26:14,900 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 24 treesize of output 21 [2022-03-04 05:26:14,901 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 9 treesize of output 7 [2022-03-04 05:26:14,947 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:26:14,947 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863208822] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:26:14,947 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:26:14,947 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 35 [2022-03-04 05:26:14,947 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236565806] [2022-03-04 05:26:14,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:26:14,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-03-04 05:26:14,948 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:26:14,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-03-04 05:26:14,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1101, Unknown=0, NotChecked=0, Total=1190 [2022-03-04 05:26:14,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:26:14,948 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:26:14,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 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) [2022-03-04 05:26:14,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:26:14,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:26:14,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:26:14,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:26:14,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:26:14,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:26:14,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:26:16,146 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 412 transitions and produced 247 states. [2022-03-04 05:26:16,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:26:16,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:26:16,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:26:16,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:26:16,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:26:16,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:26:16,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:26:16,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:26:16,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:26:16,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:26:16,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:26:16,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-03-04 05:26:16,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:26:16,348 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:26:16,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:26:16,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1988835357, now seen corresponding path program 28 times [2022-03-04 05:26:16,348 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:26:16,348 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16703826] [2022-03-04 05:26:16,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:26:16,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:26:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:26:17,198 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:26:17,198 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:26:17,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16703826] [2022-03-04 05:26:17,198 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16703826] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:26:17,198 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074786213] [2022-03-04 05:26:17,198 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 05:26:17,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:26:17,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:26:17,199 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:26:17,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-03-04 05:26:17,238 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 05:26:17,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:26:17,240 WARN L261 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 125 conjunts are in the unsatisfiable core [2022-03-04 05:26:17,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:26:20,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,832 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:20,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:26:20,839 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 121 [2022-03-04 05:26:20,842 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:20,842 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 58 treesize of output 46 [2022-03-04 05:26:20,917 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:26:20,917 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:26:26,144 INFO L353 Elim1Store]: treesize reduction 1370, result has 11.1 percent of original size [2022-03-04 05:26:26,145 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 45 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 145 case distinctions, treesize of input 378 treesize of output 454 [2022-03-04 05:26:26,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,207 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,208 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:26:26,864 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:26:26,864 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 90 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 100 case distinctions, treesize of input 374 treesize of output 1280 [2022-03-04 05:27:28,315 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:27:28,316 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074786213] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:27:28,316 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:27:28,316 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 24] total 67 [2022-03-04 05:27:28,316 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096843007] [2022-03-04 05:27:28,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:27:28,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-03-04 05:27:28,316 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:27:28,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-03-04 05:27:28,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=4227, Unknown=0, NotChecked=0, Total=4422 [2022-03-04 05:27:28,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:27:28,317 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:27:28,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 1.1791044776119404) internal successors, (79), 67 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:27:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:27:28,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:27:35,734 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 415 transitions and produced 251 states. [2022-03-04 05:27:35,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:27:35,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:27:35,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:27:35,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:27:35,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:27:35,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:27:35,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:27:35,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:27:35,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:27:35,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:27:35,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:27:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:27:35,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-03-04 05:27:35,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2022-03-04 05:27:35,936 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:27:35,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:27:35,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1557611079, now seen corresponding path program 29 times [2022-03-04 05:27:35,937 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:27:35,937 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925670764] [2022-03-04 05:27:35,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:27:35,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:27:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:27:36,339 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:27:36,339 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:27:36,339 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925670764] [2022-03-04 05:27:36,339 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925670764] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:27:36,339 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550859020] [2022-03-04 05:27:36,339 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 05:27:36,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:27:36,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:27:36,341 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:27:36,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-03-04 05:27:36,401 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-03-04 05:27:36,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:27:36,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2022-03-04 05:27:36,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:27:36,866 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 37 treesize of output 31 [2022-03-04 05:27:36,868 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 31 treesize of output 25 [2022-03-04 05:27:36,917 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:27:36,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:27:37,070 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:27:37,071 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 38 treesize of output 31 [2022-03-04 05:27:37,073 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 21 treesize of output 13 [2022-03-04 05:27:37,119 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 11 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:27:37,119 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550859020] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:27:37,119 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:27:37,119 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 38 [2022-03-04 05:27:37,119 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385751810] [2022-03-04 05:27:37,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:27:37,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-03-04 05:27:37,119 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:27:37,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-03-04 05:27:37,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2022-03-04 05:27:37,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:27:37,120 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:27:37,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.236842105263158) internal successors, (47), 38 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:27:37,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:27:37,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:27:37,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:27:37,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:27:39,137 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 476 transitions and produced 278 states. [2022-03-04 05:27:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:27:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:27:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:27:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:27:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:27:39,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:27:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:27:39,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:27:39,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-03-04 05:27:39,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:27:39,339 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:27:39,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:27:39,340 INFO L85 PathProgramCache]: Analyzing trace with hash -455801353, now seen corresponding path program 30 times [2022-03-04 05:27:39,340 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:27:39,340 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817360511] [2022-03-04 05:27:39,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:27:39,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:27:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:27:39,747 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:27:39,748 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:27:39,748 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817360511] [2022-03-04 05:27:39,748 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817360511] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:27:39,748 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115453379] [2022-03-04 05:27:39,748 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 05:27:39,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:27:39,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:27:39,750 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:27:39,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-03-04 05:27:39,798 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-03-04 05:27:39,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:27:39,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 50 conjunts are in the unsatisfiable core [2022-03-04 05:27:39,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:27:40,235 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 29 treesize of output 23 [2022-03-04 05:27:40,238 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 8 treesize of output 1 [2022-03-04 05:27:40,244 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 7 treesize of output 1 [2022-03-04 05:27:40,280 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:27:40,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:27:40,446 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:27:40,446 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 24 treesize of output 21 [2022-03-04 05:27:40,448 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 9 treesize of output 7 [2022-03-04 05:27:40,488 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:27:40,489 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115453379] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:27:40,489 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:27:40,489 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 38 [2022-03-04 05:27:40,489 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056944429] [2022-03-04 05:27:40,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:27:40,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-03-04 05:27:40,489 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:27:40,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-03-04 05:27:40,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1309, Unknown=0, NotChecked=0, Total=1406 [2022-03-04 05:27:40,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:27:40,490 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:27:40,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.236842105263158) internal successors, (47), 38 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:27:40,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:27:40,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:27:40,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:27:40,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:27:40,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:27:40,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:27:40,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:27:40,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:27:40,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:27:40,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:27:40,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:27:40,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:27:40,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:27:41,836 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 479 transitions and produced 281 states. [2022-03-04 05:27:41,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:27:41,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:27:41,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:27:41,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:27:41,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:27:41,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:27:41,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:27:41,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:27:41,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-03-04 05:27:42,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:27:42,038 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:27:42,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:27:42,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1278197211, now seen corresponding path program 31 times [2022-03-04 05:27:42,039 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:27:42,039 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231035231] [2022-03-04 05:27:42,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:27:42,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:27:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:27:43,001 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:27:43,001 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:27:43,001 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231035231] [2022-03-04 05:27:43,001 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231035231] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:27:43,001 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881847557] [2022-03-04 05:27:43,002 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 05:27:43,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:27:43,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:27:43,003 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:27:43,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-03-04 05:27:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:27:43,052 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjunts are in the unsatisfiable core [2022-03-04 05:27:43,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:27:47,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:27:47,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:47,621 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 55 disjoint index pairs (out of 66 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 180 treesize of output 128 [2022-03-04 05:27:47,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:47,624 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 58 treesize of output 46 [2022-03-04 05:27:47,654 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:27:47,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:27:54,210 INFO L353 Elim1Store]: treesize reduction 1682, result has 10.1 percent of original size [2022-03-04 05:27:54,210 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 388 treesize of output 476 [2022-03-04 05:27:54,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,287 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,290 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:54,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:27:55,172 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:27:55,173 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 110 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 121 case distinctions, treesize of input 388 treesize of output 1498 [2022-03-04 05:28:32,348 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:28:32,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881847557] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:28:32,348 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:28:32,349 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26, 26] total 73 [2022-03-04 05:28:32,349 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265528439] [2022-03-04 05:28:32,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:28:32,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2022-03-04 05:28:32,349 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:28:32,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2022-03-04 05:28:32,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=5043, Unknown=0, NotChecked=0, Total=5256 [2022-03-04 05:28:32,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:28:32,350 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:28:32,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 1.1643835616438356) internal successors, (85), 73 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:28:32,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:28:32,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:28:32,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:28:32,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:28:32,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:28:32,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:28:32,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:28:32,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:28:32,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:28:32,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:28:47,885 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 482 transitions and produced 285 states. [2022-03-04 05:28:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:28:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:28:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:28:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:28:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:28:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:28:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:28:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:28:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:28:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:28:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:28:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:28:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:28:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:28:47,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:28:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:28:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:28:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:28:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:28:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:28:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:28:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:28:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:28:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:28:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:28:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:28:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:28:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:28:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:28:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:28:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:28:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:28:47,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:28:47,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:28:47,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2022-03-04 05:28:48,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2022-03-04 05:28:48,092 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:28:48,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:28:48,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1002665033, now seen corresponding path program 32 times [2022-03-04 05:28:48,092 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:28:48,092 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129125183] [2022-03-04 05:28:48,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:28:48,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:28:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:28:48,537 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:28:48,538 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:28:48,538 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129125183] [2022-03-04 05:28:48,538 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129125183] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:28:48,538 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021013026] [2022-03-04 05:28:48,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 05:28:48,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:28:48,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:28:48,539 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:28:48,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-03-04 05:28:48,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 05:28:48,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:28:48,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2022-03-04 05:28:48,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:28:49,112 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 37 treesize of output 31 [2022-03-04 05:28:49,113 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 31 treesize of output 25 [2022-03-04 05:28:49,158 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:28:49,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:28:49,322 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:28:49,322 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 38 treesize of output 31 [2022-03-04 05:28:49,324 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 21 treesize of output 13 [2022-03-04 05:28:49,374 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:28:49,374 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021013026] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:28:49,374 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:28:49,374 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 41 [2022-03-04 05:28:49,374 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115658398] [2022-03-04 05:28:49,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:28:49,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-03-04 05:28:49,375 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:28:49,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-03-04 05:28:49,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1535, Unknown=0, NotChecked=0, Total=1640 [2022-03-04 05:28:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:28:49,375 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:28:49,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 41 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) [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:28:49,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:28:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:28:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:28:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:28:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:28:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:28:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:28:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:28:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:28:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:28:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:28:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:28:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:28:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:28:49,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:28:51,670 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 548 transitions and produced 314 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:28:51,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:28:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:28:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:28:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:28:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:28:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:28:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:28:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:28:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:28:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:28:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:28:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:28:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:28:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:28:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:28:51,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2022-03-04 05:28:51,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2022-03-04 05:28:51,872 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:28:51,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:28:51,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1206301895, now seen corresponding path program 33 times [2022-03-04 05:28:51,872 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:28:51,872 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874413962] [2022-03-04 05:28:51,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:28:51,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:28:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:28:52,329 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:28:52,329 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:28:52,329 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874413962] [2022-03-04 05:28:52,329 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874413962] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:28:52,329 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253648592] [2022-03-04 05:28:52,330 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 05:28:52,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:28:52,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:28:52,331 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:28:52,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-03-04 05:28:52,389 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-03-04 05:28:52,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:28:52,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 54 conjunts are in the unsatisfiable core [2022-03-04 05:28:52,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:28:52,903 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 29 treesize of output 23 [2022-03-04 05:28:52,906 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 8 treesize of output 1 [2022-03-04 05:28:52,910 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 7 treesize of output 1 [2022-03-04 05:28:52,948 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:28:52,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:28:53,121 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:28:53,121 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 24 treesize of output 21 [2022-03-04 05:28:53,123 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 9 treesize of output 7 [2022-03-04 05:28:53,167 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:28:53,167 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253648592] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:28:53,167 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:28:53,167 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 41 [2022-03-04 05:28:53,168 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228298480] [2022-03-04 05:28:53,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:28:53,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-03-04 05:28:53,168 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:28:53,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-03-04 05:28:53,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1535, Unknown=0, NotChecked=0, Total=1640 [2022-03-04 05:28:53,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:28:53,169 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:28:53,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 41 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) [2022-03-04 05:28:53,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:28:53,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:28:53,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:28:53,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:28:53,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:28:53,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:28:53,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:28:53,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:28:53,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:28:53,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:28:53,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:28:53,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:28:53,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:28:53,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:28:53,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:28:53,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:28:53,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:28:53,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:28:53,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:28:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:28:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:28:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:28:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:28:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:28:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:28:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:28:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:28:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:28:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:28:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:28:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:28:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:28:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:28:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:28:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:28:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:28:54,920 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 551 transitions and produced 317 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:28:54,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:28:54,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:28:54,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:28:54,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:28:54,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:28:54,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:28:54,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:28:54,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:28:54,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:28:54,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-04 05:28:54,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2022-03-04 05:28:55,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-03-04 05:28:55,123 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:28:55,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:28:55,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1226089763, now seen corresponding path program 34 times [2022-03-04 05:28:55,123 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:28:55,123 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686604829] [2022-03-04 05:28:55,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:28:55,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:28:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:28:56,183 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:28:56,184 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:28:56,184 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686604829] [2022-03-04 05:28:56,184 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686604829] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:28:56,184 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413983833] [2022-03-04 05:28:56,184 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 05:28:56,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:28:56,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:28:56,185 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:28:56,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-03-04 05:28:56,247 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 05:28:56,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:28:56,249 WARN L261 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 149 conjunts are in the unsatisfiable core [2022-03-04 05:28:56,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:29:02,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:02,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:29:02,535 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 135 [2022-03-04 05:29:02,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:02,538 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 58 treesize of output 46 [2022-03-04 05:29:02,614 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:29:02,614 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:29:10,457 INFO L353 Elim1Store]: treesize reduction 2026, result has 9.3 percent of original size [2022-03-04 05:29:10,458 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 408 treesize of output 508 [2022-03-04 05:29:10,476 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,477 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,480 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,507 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,508 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,512 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,514 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,535 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,536 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,538 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,543 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,549 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,551 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,553 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,555 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,558 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,559 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:10,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:29:11,741 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:29:11,742 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 132 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 144 case distinctions, treesize of input 412 treesize of output 1746 [2022-03-04 05:30:03,918 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:30:03,918 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413983833] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:30:03,918 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:30:03,918 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28, 28] total 80 [2022-03-04 05:30:03,918 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493814623] [2022-03-04 05:30:03,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:30:03,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2022-03-04 05:30:03,919 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:30:03,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2022-03-04 05:30:03,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=6085, Unknown=0, NotChecked=0, Total=6320 [2022-03-04 05:30:03,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:30:03,920 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:30:03,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 1.1875) internal successors, (95), 80 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:30:03,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:30:03,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:30:03,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:30:03,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:30:03,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:30:03,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:30:03,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:30:03,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:30:03,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-04 05:30:03,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:30:17,507 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 554 transitions and produced 321 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:30:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:30:17,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:30:17,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:30:17,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:30:17,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:30:17,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:30:17,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:30:17,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:30:17,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:30:17,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-04 05:30:17,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-04 05:30:17,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2022-03-04 05:30:17,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:30:17,710 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:30:17,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:30:17,712 INFO L85 PathProgramCache]: Analyzing trace with hash -679180167, now seen corresponding path program 35 times [2022-03-04 05:30:17,712 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:30:17,712 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513871546] [2022-03-04 05:30:17,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:30:17,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:30:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:30:18,228 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:30:18,228 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:30:18,228 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513871546] [2022-03-04 05:30:18,228 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513871546] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:30:18,228 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315992471] [2022-03-04 05:30:18,228 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 05:30:18,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:30:18,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:30:18,229 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:30:18,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-03-04 05:30:18,298 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-03-04 05:30:18,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:30:18,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2022-03-04 05:30:18,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:30:18,880 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 37 treesize of output 31 [2022-03-04 05:30:18,881 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 31 treesize of output 25 [2022-03-04 05:30:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:30:18,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:30:19,113 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:30:19,113 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 38 treesize of output 31 [2022-03-04 05:30:19,115 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 21 treesize of output 13 [2022-03-04 05:30:19,168 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:30:19,168 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315992471] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:30:19,168 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:30:19,168 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 44 [2022-03-04 05:30:19,168 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517803324] [2022-03-04 05:30:19,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:30:19,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-03-04 05:30:19,168 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:30:19,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-03-04 05:30:19,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1779, Unknown=0, NotChecked=0, Total=1892 [2022-03-04 05:30:19,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:30:19,169 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:30:19,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 44 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:30:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:30:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:30:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:30:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:30:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:30:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:30:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:30:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:30:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:30:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:30:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:30:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:30:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:30:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:30:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:30:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:30:19,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-04 05:30:19,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-03-04 05:30:19,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:30:21,963 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 625 transitions and produced 352 states. [2022-03-04 05:30:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:30:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:30:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:30:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:30:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:30:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:30:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:30:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:30:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:30:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:30:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:30:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:30:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:30:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:30:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:30:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:30:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:30:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:30:21,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:30:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:30:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:30:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:30:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:30:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:30:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:30:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:30:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:30:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:30:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:30:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:30:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:30:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:30:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:30:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:30:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:30:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-04 05:30:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-04 05:30:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:30:22,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2022-03-04 05:30:22,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-03-04 05:30:22,165 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:30:22,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:30:22,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1598011703, now seen corresponding path program 36 times [2022-03-04 05:30:22,166 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:30:22,166 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942864966] [2022-03-04 05:30:22,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:30:22,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:30:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:30:22,768 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:30:22,769 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:30:22,769 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942864966] [2022-03-04 05:30:22,769 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942864966] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:30:22,769 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741938426] [2022-03-04 05:30:22,769 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 05:30:22,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:30:22,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:30:22,770 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:30:22,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-03-04 05:30:22,844 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2022-03-04 05:30:22,844 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:30:22,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 58 conjunts are in the unsatisfiable core [2022-03-04 05:30:22,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:30:23,434 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 29 treesize of output 23 [2022-03-04 05:30:23,439 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 8 treesize of output 1 [2022-03-04 05:30:23,445 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 7 treesize of output 1 [2022-03-04 05:30:23,484 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:30:23,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:30:23,662 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:30:23,662 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 24 treesize of output 21 [2022-03-04 05:30:23,664 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 9 treesize of output 7 [2022-03-04 05:30:23,712 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:30:23,712 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741938426] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:30:23,712 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:30:23,712 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 44 [2022-03-04 05:30:23,713 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189066189] [2022-03-04 05:30:23,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:30:23,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-03-04 05:30:23,713 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:30:23,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-03-04 05:30:23,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1779, Unknown=0, NotChecked=0, Total=1892 [2022-03-04 05:30:23,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:30:23,714 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:30:23,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 1.2045454545454546) internal successors, (53), 44 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:30:23,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:30:23,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:30:23,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:30:23,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:30:23,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:30:23,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:30:23,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:30:23,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:30:23,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:30:23,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:30:23,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:30:23,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:30:23,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:30:23,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:30:23,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:30:23,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:30:23,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:30:23,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:30:23,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:30:23,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:30:25,810 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 628 transitions and produced 355 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:30:25,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:30:25,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:30:25,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:30:25,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:30:25,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:30:25,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:30:25,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:30:25,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:30:25,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:30:25,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:30:25,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-04 05:30:25,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-04 05:30:25,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:30:25,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:30:25,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2022-03-04 05:30:26,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-03-04 05:30:26,013 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:30:26,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:30:26,013 INFO L85 PathProgramCache]: Analyzing trace with hash -2034501915, now seen corresponding path program 37 times [2022-03-04 05:30:26,013 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:30:26,013 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115907856] [2022-03-04 05:30:26,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:30:26,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:30:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:30:27,856 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:30:27,856 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:30:27,856 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115907856] [2022-03-04 05:30:27,856 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115907856] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:30:27,856 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101711279] [2022-03-04 05:30:27,856 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 05:30:27,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:30:27,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:30:27,857 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:30:27,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-03-04 05:30:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:30:27,906 WARN L261 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 161 conjunts are in the unsatisfiable core [2022-03-04 05:30:27,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:30:35,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:30:35,511 INFO L353 Elim1Store]: treesize reduction 126, result has 2.3 percent of original size [2022-03-04 05:30:35,511 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 13 case distinctions, treesize of input 206 treesize of output 149 [2022-03-04 05:30:35,518 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-03-04 05:30:35,518 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 62 treesize of output 53 [2022-03-04 05:30:35,619 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:30:35,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:30:45,596 INFO L353 Elim1Store]: treesize reduction 2402, result has 8.6 percent of original size [2022-03-04 05:30:45,597 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 428 treesize of output 540 [2022-03-04 05:30:45,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,619 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,623 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,708 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,722 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:30:45,725 INFO L244 Elim1Store]: Index analysis took 109 ms [2022-03-04 05:30:47,274 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:30:47,275 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 156 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 169 case distinctions, treesize of input 436 treesize of output 2014 [2022-03-04 05:31:50,447 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:31:50,447 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101711279] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:31:50,447 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:31:50,447 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30, 30] total 87 [2022-03-04 05:31:50,447 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318354682] [2022-03-04 05:31:50,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:31:50,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2022-03-04 05:31:50,448 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:31:50,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2022-03-04 05:31:50,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=7256, Unknown=0, NotChecked=0, Total=7482 [2022-03-04 05:31:50,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:31:50,449 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:31:50,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 1.160919540229885) internal successors, (101), 87 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:31:50,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:31:50,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:31:50,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:31:50,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:31:50,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-04 05:31:50,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-03-04 05:31:50,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:31:50,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:31:50,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:32:14,887 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 631 transitions and produced 359 states. [2022-03-04 05:32:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:32:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:32:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:32:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:32:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:32:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:32:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:32:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:32:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:32:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:32:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:32:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:32:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:32:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:32:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:32:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:32:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:32:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:32:14,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:32:14,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-03-04 05:32:14,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2022-03-04 05:32:15,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-03-04 05:32:15,089 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:32:15,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:32:15,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1321692919, now seen corresponding path program 38 times [2022-03-04 05:32:15,090 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:32:15,090 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28313784] [2022-03-04 05:32:15,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:32:15,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:32:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:32:15,732 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:32:15,732 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:32:15,732 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28313784] [2022-03-04 05:32:15,732 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28313784] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:32:15,732 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364527570] [2022-03-04 05:32:15,732 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 05:32:15,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:32:15,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:32:15,734 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:32:15,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-03-04 05:32:15,807 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 05:32:15,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:32:15,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 62 conjunts are in the unsatisfiable core [2022-03-04 05:32:15,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:32:16,456 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 37 treesize of output 31 [2022-03-04 05:32:16,457 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 31 treesize of output 25 [2022-03-04 05:32:16,511 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:32:16,511 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:32:16,687 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:32:16,687 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 38 treesize of output 31 [2022-03-04 05:32:16,689 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 21 treesize of output 13 [2022-03-04 05:32:16,745 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:32:16,746 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364527570] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:32:16,746 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:32:16,746 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 47 [2022-03-04 05:32:16,746 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670892723] [2022-03-04 05:32:16,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:32:16,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-03-04 05:32:16,746 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:32:16,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-03-04 05:32:16,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=2041, Unknown=0, NotChecked=0, Total=2162 [2022-03-04 05:32:16,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:32:16,747 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:32:16,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 47 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) [2022-03-04 05:32:16,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:32:16,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:32:16,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:32:16,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:32:16,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:32:16,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:32:16,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:32:16,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:32:16,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:32:16,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:32:16,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:32:16,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:32:16,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:32:16,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:32:16,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:32:16,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:32:16,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-03-04 05:32:16,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:32:19,834 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 707 transitions and produced 392 states. [2022-03-04 05:32:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:32:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:32:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:32:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:32:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:32:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:32:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:32:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:32:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:32:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:32:19,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-03-04 05:32:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-04 05:32:19,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2022-03-04 05:32:20,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2022-03-04 05:32:20,036 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:32:20,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:32:20,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1099803143, now seen corresponding path program 39 times [2022-03-04 05:32:20,037 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:32:20,037 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755250793] [2022-03-04 05:32:20,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:32:20,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:32:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:32:20,608 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:32:20,608 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:32:20,608 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755250793] [2022-03-04 05:32:20,608 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755250793] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:32:20,608 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809287343] [2022-03-04 05:32:20,608 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 05:32:20,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:32:20,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:32:20,612 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:32:20,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-03-04 05:32:20,670 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-03-04 05:32:20,670 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:32:20,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 64 conjunts are in the unsatisfiable core [2022-03-04 05:32:20,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:32:21,298 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 29 treesize of output 23 [2022-03-04 05:32:21,300 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 7 treesize of output 1 [2022-03-04 05:32:21,303 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 8 treesize of output 1 [2022-03-04 05:32:21,344 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:32:21,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:32:21,530 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:32:21,530 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 24 treesize of output 21 [2022-03-04 05:32:21,533 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 9 treesize of output 7 [2022-03-04 05:32:21,585 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:32:21,586 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809287343] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:32:21,586 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:32:21,586 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 47 [2022-03-04 05:32:21,586 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394863783] [2022-03-04 05:32:21,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:32:21,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-03-04 05:32:21,586 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:32:21,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-03-04 05:32:21,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=2041, Unknown=0, NotChecked=0, Total=2162 [2022-03-04 05:32:21,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:32:21,587 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:32:21,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 47 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) [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:32:21,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:32:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:32:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:32:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:32:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:32:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-04 05:32:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-03-04 05:32:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:32:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:32:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-03-04 05:32:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-04 05:32:21,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:32:23,645 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 710 transitions and produced 395 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:32:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-03-04 05:32:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-04 05:32:23,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:32:23,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2022-03-04 05:32:23,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:32:23,849 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:32:23,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:32:23,849 INFO L85 PathProgramCache]: Analyzing trace with hash 232583779, now seen corresponding path program 40 times [2022-03-04 05:32:23,849 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:32:23,849 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088247406] [2022-03-04 05:32:23,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:32:23,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:32:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:32:25,347 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:32:25,347 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:32:25,347 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088247406] [2022-03-04 05:32:25,347 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088247406] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:32:25,347 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958576874] [2022-03-04 05:32:25,347 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 05:32:25,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:32:25,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:32:25,349 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:32:25,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-03-04 05:32:25,409 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 05:32:25,409 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:32:25,411 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 173 conjunts are in the unsatisfiable core [2022-03-04 05:32:25,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:32:33,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:33,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:32:33,150 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 91 disjoint index pairs (out of 105 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 149 [2022-03-04 05:32:33,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:33,154 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 58 treesize of output 46 [2022-03-04 05:32:33,183 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:32:33,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:32:44,498 INFO L353 Elim1Store]: treesize reduction 2810, result has 8.0 percent of original size [2022-03-04 05:32:44,498 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 91 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 287 case distinctions, treesize of input 448 treesize of output 572 [2022-03-04 05:32:44,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,523 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,525 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,527 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,528 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,529 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,544 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,545 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,546 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,547 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,550 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,552 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,561 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,562 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,563 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,564 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,567 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,576 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,577 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,580 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,581 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,588 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,590 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,594 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,606 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,609 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,610 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,612 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,614 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,616 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,618 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,620 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,624 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,628 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,631 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,633 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:32:44,648 INFO L244 Elim1Store]: Index analysis took 129 ms [2022-03-04 05:32:46,801 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:32:46,802 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 182 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 196 case distinctions, treesize of input 460 treesize of output 2302 [2022-03-04 05:35:16,672 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:35:16,672 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958576874] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:35:16,672 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:35:16,672 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32, 32] total 91 [2022-03-04 05:35:16,673 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756633430] [2022-03-04 05:35:16,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:35:16,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2022-03-04 05:35:16,673 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:35:16,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2022-03-04 05:35:16,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=7923, Unknown=0, NotChecked=0, Total=8190 [2022-03-04 05:35:16,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:35:16,674 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:35:16,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 1.1318681318681318) internal successors, (103), 91 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:35:16,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:35:16,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:35:16,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:35:16,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:35:16,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:35:16,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:35:16,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-03-04 05:35:16,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:35:16,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:35:16,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-03-04 05:35:16,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-04 05:35:16,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:35:16,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:35:40,498 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 713 transitions and produced 399 states. [2022-03-04 05:35:40,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:35:40,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:35:40,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-04 05:35:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:35:40,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-03-04 05:35:40,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2022-03-04 05:35:40,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:35:40,711 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:35:40,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:35:40,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1413094599, now seen corresponding path program 41 times [2022-03-04 05:35:40,712 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:35:40,712 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580416929] [2022-03-04 05:35:40,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:35:40,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:35:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:35:41,422 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:35:41,423 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:35:41,423 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580416929] [2022-03-04 05:35:41,423 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580416929] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:35:41,423 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922817736] [2022-03-04 05:35:41,423 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 05:35:41,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:35:41,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:35:41,424 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:35:41,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-03-04 05:35:41,490 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-03-04 05:35:41,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:35:41,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2022-03-04 05:35:41,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:35:42,223 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 37 treesize of output 31 [2022-03-04 05:35:42,225 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 31 treesize of output 25 [2022-03-04 05:35:42,280 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:35:42,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:35:42,471 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:35:42,471 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 38 treesize of output 31 [2022-03-04 05:35:42,473 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 21 treesize of output 13 [2022-03-04 05:35:42,535 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 15 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:35:42,535 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922817736] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:35:42,535 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:35:42,535 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 50 [2022-03-04 05:35:42,536 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699355245] [2022-03-04 05:35:42,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:35:42,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-03-04 05:35:42,536 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:35:42,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-03-04 05:35:42,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=2321, Unknown=0, NotChecked=0, Total=2450 [2022-03-04 05:35:42,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:35:42,537 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:35:42,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 1.18) internal successors, (59), 50 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:35:42,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:35:42,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:35:42,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:35:42,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:35:42,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:35:42,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-04 05:35:42,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-03-04 05:35:42,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:35:42,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:35:42,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-03-04 05:35:42,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-04 05:35:42,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:35:42,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-03-04 05:35:42,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:35:46,362 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 794 transitions and produced 434 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:35:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:35:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:35:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:35:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:35:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:35:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:35:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:35:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:35:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:35:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:35:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:35:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-04 05:35:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-04 05:35:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:35:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:35:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-03-04 05:35:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-04 05:35:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:35:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-03-04 05:35:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-04 05:35:46,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2022-03-04 05:35:46,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2022-03-04 05:35:46,565 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:35:46,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:35:46,565 INFO L85 PathProgramCache]: Analyzing trace with hash 829938807, now seen corresponding path program 42 times [2022-03-04 05:35:46,565 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:35:46,566 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588272673] [2022-03-04 05:35:46,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:35:46,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:35:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:35:47,278 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:35:47,278 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:35:47,278 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588272673] [2022-03-04 05:35:47,278 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588272673] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:35:47,279 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283559784] [2022-03-04 05:35:47,279 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 05:35:47,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:35:47,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:35:47,284 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:35:47,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-03-04 05:35:47,345 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2022-03-04 05:35:47,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:35:47,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 66 conjunts are in the unsatisfiable core [2022-03-04 05:35:47,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:35:48,043 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 29 treesize of output 23 [2022-03-04 05:35:48,045 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 7 treesize of output 1 [2022-03-04 05:35:48,049 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 8 treesize of output 1 [2022-03-04 05:35:48,093 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:35:48,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:35:48,289 INFO L353 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2022-03-04 05:35:48,289 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 24 treesize of output 21 [2022-03-04 05:35:48,291 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 9 treesize of output 7 [2022-03-04 05:35:48,347 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:35:48,347 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283559784] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:35:48,347 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:35:48,347 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 50 [2022-03-04 05:35:48,347 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100372478] [2022-03-04 05:35:48,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:35:48,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-03-04 05:35:48,348 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:35:48,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-03-04 05:35:48,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=2321, Unknown=0, NotChecked=0, Total=2450 [2022-03-04 05:35:48,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:35:48,348 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:35:48,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 1.18) internal successors, (59), 50 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:35:48,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:35:48,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:35:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:35:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:35:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:35:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-03-04 05:35:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-03-04 05:35:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:35:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:35:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-03-04 05:35:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-04 05:35:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:35:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-03-04 05:35:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-03-04 05:35:48,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:35:50,823 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 797 transitions and produced 437 states. [2022-03-04 05:35:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:35:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 05:35:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:35:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:35:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-04 05:35:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 05:35:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-04 05:35:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:35:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-04 05:35:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-04 05:35:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:35:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:35:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-04 05:35:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:35:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-03-04 05:35:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:35:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:35:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-04 05:35:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:35:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:35:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-04 05:35:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-04 05:35:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-04 05:35:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-03-04 05:35:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-04 05:35:50,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-04 05:35:50,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2022-03-04 05:35:51,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2022-03-04 05:35:51,027 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-04 05:35:51,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:35:51,028 INFO L85 PathProgramCache]: Analyzing trace with hash -74957915, now seen corresponding path program 43 times [2022-03-04 05:35:51,028 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:35:51,028 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776621735] [2022-03-04 05:35:51,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:35:51,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:35:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:35:53,104 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:35:53,104 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:35:53,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776621735] [2022-03-04 05:35:53,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776621735] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:35:53,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924974305] [2022-03-04 05:35:53,104 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 05:35:53,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:35:53,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:35:53,105 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:35:53,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2022-03-04 05:35:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:35:53,160 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 185 conjunts are in the unsatisfiable core [2022-03-04 05:35:53,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:36:05,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 05:36:05,617 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-03-04 05:36:05,618 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 119 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 1 case distinctions, treesize of input 228 treesize of output 163 [2022-03-04 05:36:05,625 INFO L353 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-03-04 05:36:05,625 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 62 treesize of output 53 [2022-03-04 05:36:05,750 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:36:05,750 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:36:19,789 INFO L353 Elim1Store]: treesize reduction 3250, result has 7.4 percent of original size [2022-03-04 05:36:19,790 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 105 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 330 case distinctions, treesize of input 468 treesize of output 604 [2022-03-04 05:36:19,816 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,820 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,821 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,824 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,855 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,856 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,857 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,863 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,864 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,865 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,868 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,870 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,873 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,874 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,876 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,881 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,892 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,893 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,894 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,900 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,914 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,915 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,917 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,918 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,922 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,924 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,929 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,930 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,932 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,933 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,937 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,939 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,944 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,950 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,952 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,953 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,957 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,969 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,972 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,976 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 05:36:19,979 INFO L244 Elim1Store]: Index analysis took 164 ms [2022-03-04 05:36:22,530 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 05:36:22,530 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 210 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 225 case distinctions, treesize of input 484 treesize of output 2610 Received shutdown request... [2022-03-04 05:37:03,703 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-04 05:37:03,704 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 05:37:03,705 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-03-04 05:37:03,706 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 05:37:03,707 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 05:37:03,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2022-03-04 05:37:03,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2022-03-04 05:37:03,906 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 23ms.. [2022-03-04 05:37:03,907 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-04 05:37:03,907 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-04 05:37:03,914 INFO L732 BasicCegarLoop]: Path program histogram: [43, 1, 1, 1] [2022-03-04 05:37:03,917 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 05:37:03,917 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 05:37:03,921 INFO L202 PluginConnector]: Adding new model array-int-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 05:37:03 BasicIcfg [2022-03-04 05:37:03,921 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 05:37:03,921 INFO L158 Benchmark]: Toolchain (without parser) took 774158.00ms. Allocated memory was 186.6MB in the beginning and 886.0MB in the end (delta: 699.4MB). Free memory was 144.9MB in the beginning and 311.1MB in the end (delta: -166.2MB). Peak memory consumption was 618.2MB. Max. memory is 8.0GB. [2022-03-04 05:37:03,921 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 186.6MB. Free memory was 146.2MB in the beginning and 146.1MB in the end (delta: 88.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 05:37:03,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.84ms. Allocated memory is still 186.6MB. Free memory was 144.8MB in the beginning and 143.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 05:37:03,922 INFO L158 Benchmark]: Boogie Preprocessor took 26.58ms. Allocated memory is still 186.6MB. Free memory was 143.3MB in the beginning and 142.4MB in the end (delta: 939.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 05:37:03,922 INFO L158 Benchmark]: RCFGBuilder took 243.69ms. Allocated memory is still 186.6MB. Free memory was 142.3MB in the beginning and 131.9MB in the end (delta: 10.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-04 05:37:03,922 INFO L158 Benchmark]: TraceAbstraction took 773858.41ms. Allocated memory was 186.6MB in the beginning and 886.0MB in the end (delta: 699.4MB). Free memory was 131.4MB in the beginning and 311.1MB in the end (delta: -179.7MB). Peak memory consumption was 605.7MB. Max. memory is 8.0GB. [2022-03-04 05:37:03,923 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 0.13ms. Allocated memory is still 186.6MB. Free memory was 146.2MB in the beginning and 146.1MB in the end (delta: 88.2kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.84ms. Allocated memory is still 186.6MB. Free memory was 144.8MB in the beginning and 143.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.58ms. Allocated memory is still 186.6MB. Free memory was 143.3MB in the beginning and 142.4MB in the end (delta: 939.5kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 243.69ms. Allocated memory is still 186.6MB. Free memory was 142.3MB in the beginning and 131.9MB in the end (delta: 10.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 773858.41ms. Allocated memory was 186.6MB in the beginning and 886.0MB in the end (delta: 699.4MB). Free memory was 131.4MB in the beginning and 311.1MB in the end (delta: -179.7MB). Peak memory consumption was 605.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 41 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 23ms.. - TimeoutResultAtElement [Line: 61]: 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 41 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 23ms.. - TimeoutResultAtElement [Line: 58]: 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 41 with TraceHistMax 15,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 23ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 23 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 773.7s, OverallIterations: 46, TraceHistogramMax: 0, PathProgramHistogramMax: 43, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 148.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1608, 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: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 540.5s InterpolantComputationTime, 2199 NumberOfCodeBlocks, 2199 NumberOfCodeBlocksAsserted, 193 NumberOfCheckSat, 3157 ConstructedInterpolants, 130 QuantifiedInterpolants, 117157 SizeOfPredicates, 404 NumberOfNonLiveVariables, 6476 ConjunctsInSsa, 2460 ConjunctsInUnsatCore, 131 InterpolantComputations, 2 PerfectInterpolantSequences, 358/10798 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