/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 11:08:32,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 11:08:32,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 11:08:32,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 11:08:32,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 11:08:32,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 11:08:32,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 11:08:32,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 11:08:32,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 11:08:32,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 11:08:32,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 11:08:32,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 11:08:32,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 11:08:32,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 11:08:32,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 11:08:32,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 11:08:32,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 11:08:32,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 11:08:32,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 11:08:32,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 11:08:32,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 11:08:32,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 11:08:32,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 11:08:32,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 11:08:32,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-16 11:08:32,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 11:08:32,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 11:08:32,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 11:08:32,619 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.epf [2022-02-16 11:08:32,632 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 11:08:32,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 11:08:32,633 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 11:08:32,633 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 11:08:32,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 11:08:32,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 11:08:32,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 11:08:32,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 11:08:32,634 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 11:08:32,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 11:08:32,634 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 11:08:32,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 11:08:32,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 11:08:32,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 11:08:32,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 11:08:32,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 11:08:32,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 11:08:32,635 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 11:08:32,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 11:08:32,636 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 11:08:32,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 11:08:32,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 11:08:32,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 11:08:32,636 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 11:08:32,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 11:08:32,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 11:08:32,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 11:08:32,637 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-16 11:08:32,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 11:08:32,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 11:08:32,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 11:08:32,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 11:08:32,637 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 11:08:32,637 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 11:08:32,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 11:08:32,638 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 11:08:32,638 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 11:08:32,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 11:08:32,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 11:08:32,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 11:08:32,799 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-16 11:08:32,801 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-16 11:08:32,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl [2022-02-16 11:08:32,802 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl' [2022-02-16 11:08:32,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 11:08:32,829 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-16 11:08:32,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 11:08:32,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 11:08:32,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 11:08:32,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:08:32" (1/1) ... [2022-02-16 11:08:32,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:08:32" (1/1) ... [2022-02-16 11:08:32,854 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-16 11:08:32,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 11:08:32,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 11:08:32,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 11:08:32,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 11:08:32,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:08:32" (1/1) ... [2022-02-16 11:08:32,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:08:32" (1/1) ... [2022-02-16 11:08:32,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:08:32" (1/1) ... [2022-02-16 11:08:32,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:08:32" (1/1) ... [2022-02-16 11:08:32,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:08:32" (1/1) ... [2022-02-16 11:08:32,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:08:32" (1/1) ... [2022-02-16 11:08:32,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:08:32" (1/1) ... [2022-02-16 11:08:32,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 11:08:32,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 11:08:32,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 11:08:32,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 11:08:32,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:08:32" (1/1) ... [2022-02-16 11:08:32,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 11:08:32,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:08:32,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-16 11:08:32,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-16 11:08:32,946 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-16 11:08:32,946 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-16 11:08:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-16 11:08:32,948 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-16 11:08:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-16 11:08:32,948 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-16 11:08:32,948 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-16 11:08:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 11:08:32,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 11:08:32,948 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-16 11:08:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-16 11:08:32,949 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-16 11:08:32,949 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 11:08:32,988 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 11:08:32,989 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 11:08:33,084 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 11:08:33,120 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 11:08:33,120 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 11:08:33,121 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 11:08:33 BoogieIcfgContainer [2022-02-16 11:08:33,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 11:08:33,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 11:08:33,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 11:08:33,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 11:08:33,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 11:08:32" (1/2) ... [2022-02-16 11:08:33,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@748493c6 and model type ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 11:08:33, skipping insertion in model container [2022-02-16 11:08:33,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 11:08:33" (2/2) ... [2022-02-16 11:08:33,136 INFO L111 eAbstractionObserver]: Analyzing ICFG ring-nondet.wvr.bpl [2022-02-16 11:08:33,139 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 11:08:33,139 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 11:08:33,139 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 11:08:33,140 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 11:08:33,184 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-16 11:08:33,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 11:08:33,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:08:33,233 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-16 11:08:33,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-16 11:08:33,255 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 11:08:33,260 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 11:08:33,260 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-16 11:08:33,480 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1775 transitions and produced 1323 states. [2022-02-16 11:08:33,482 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:08:33,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:08:33,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1097381623, now seen corresponding path program 1 times [2022-02-16 11:08:33,492 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:08:33,492 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546400295] [2022-02-16 11:08:33,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:08:33,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:08:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:08:39,451 INFO L134 CoverageAnalysis]: Checked inductivity of 11733 backedges. 0 proven. 10769 refuted. 0 times theorem prover too weak. 964 trivial. 0 not checked. [2022-02-16 11:08:39,451 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:08:39,452 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546400295] [2022-02-16 11:08:39,452 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546400295] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:08:39,452 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794909789] [2022-02-16 11:08:39,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:08:39,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:08:39,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:08:39,454 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 11:08:39,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-16 11:08:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:08:39,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 81 conjunts are in the unsatisfiable core [2022-02-16 11:08:39,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:08:45,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 11:08:45,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:08:45,906 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 83 treesize of output 37 [2022-02-16 11:08:46,534 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 11:08:46,555 INFO L134 CoverageAnalysis]: Checked inductivity of 11733 backedges. 2 proven. 10765 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2022-02-16 11:08:46,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:08:47,154 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 11:08:47,154 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 16 treesize of output 20 [2022-02-16 11:08:53,036 INFO L353 Elim1Store]: treesize reduction 630, result has 15.9 percent of original size [2022-02-16 11:08:53,037 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 393 treesize of output 385 [2022-02-16 11:08:53,061 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 61 treesize of output 59 [2022-02-16 11:08:58,097 INFO L134 CoverageAnalysis]: Checked inductivity of 11733 backedges. 10 proven. 10757 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2022-02-16 11:08:58,098 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794909789] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:08:58,098 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:08:58,098 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 46, 46] total 96 [2022-02-16 11:08:58,100 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169921605] [2022-02-16 11:08:58,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:08:58,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-02-16 11:08:58,106 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:08:58,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-02-16 11:08:58,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=359, Invalid=8953, Unknown=0, NotChecked=0, Total=9312 [2022-02-16 11:08:58,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:08:58,130 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:08:58,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 3.7731958762886597) internal successors, (366), 96 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 11:08:58,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:09:02,156 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1647 transitions and produced 1291 states. [2022-02-16 11:09:02,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:09:02,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-16 11:09:02,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-16 11:09:02,374 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:09:02,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:09:02,374 INFO L85 PathProgramCache]: Analyzing trace with hash 2081827068, now seen corresponding path program 2 times [2022-02-16 11:09:02,374 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:09:02,374 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530156678] [2022-02-16 11:09:02,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:09:02,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:09:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:09:05,844 INFO L134 CoverageAnalysis]: Checked inductivity of 12456 backedges. 0 proven. 11480 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2022-02-16 11:09:05,844 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:09:05,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530156678] [2022-02-16 11:09:05,845 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530156678] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:09:05,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675544587] [2022-02-16 11:09:05,845 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 11:09:05,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:09:05,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:09:05,846 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 11:09:05,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-16 11:09:06,036 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-16 11:09:06,037 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:09:06,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 81 conjunts are in the unsatisfiable core [2022-02-16 11:09:06,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:09:11,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,596 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 11:09:11,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:11,603 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 83 treesize of output 37 [2022-02-16 11:09:12,001 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 11:09:12,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12456 backedges. 2 proven. 11474 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2022-02-16 11:09:12,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:09:12,698 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 11:09:12,699 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 16 treesize of output 20 [2022-02-16 11:09:17,653 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 63 treesize of output 61 [2022-02-16 11:09:17,886 INFO L353 Elim1Store]: treesize reduction 630, result has 15.9 percent of original size [2022-02-16 11:09:17,886 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 386 treesize of output 380 [2022-02-16 11:09:22,891 INFO L134 CoverageAnalysis]: Checked inductivity of 12456 backedges. 16 proven. 11460 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2022-02-16 11:09:22,892 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675544587] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:09:22,892 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:09:22,892 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46, 46] total 95 [2022-02-16 11:09:22,892 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525567565] [2022-02-16 11:09:22,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:09:22,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-02-16 11:09:22,895 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:09:22,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-02-16 11:09:22,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=8748, Unknown=0, NotChecked=0, Total=9120 [2022-02-16 11:09:22,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:09:22,898 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:09:22,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 3.8020833333333335) internal successors, (365), 95 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 11:09:22,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:09:22,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:09:26,746 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1868 transitions and produced 1461 states. [2022-02-16 11:09:26,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:09:26,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:09:26,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-16 11:09:26,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:09:26,947 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:09:26,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:09:26,948 INFO L85 PathProgramCache]: Analyzing trace with hash 393589755, now seen corresponding path program 3 times [2022-02-16 11:09:26,948 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:09:26,948 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315957924] [2022-02-16 11:09:26,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:09:26,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:09:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:09:33,060 INFO L134 CoverageAnalysis]: Checked inductivity of 16513 backedges. 0 proven. 15063 refuted. 0 times theorem prover too weak. 1450 trivial. 0 not checked. [2022-02-16 11:09:33,060 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:09:33,060 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315957924] [2022-02-16 11:09:33,060 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315957924] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:09:33,060 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825860473] [2022-02-16 11:09:33,060 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-16 11:09:33,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:09:33,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:09:33,061 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 11:09:33,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-16 11:09:33,970 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 67 check-sat command(s) [2022-02-16 11:09:33,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:09:33,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 161 conjunts are in the unsatisfiable core [2022-02-16 11:09:33,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:09:39,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 11:09:39,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:09:39,655 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 83 treesize of output 37 [2022-02-16 11:09:44,206 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 11:09:44,217 INFO L134 CoverageAnalysis]: Checked inductivity of 16513 backedges. 2 proven. 16396 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-02-16 11:09:44,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:09:44,729 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 11:09:44,729 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 15 treesize of output 19 [2022-02-16 11:09:48,039 INFO L353 Elim1Store]: treesize reduction 630, result has 15.9 percent of original size [2022-02-16 11:09:48,040 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 351 treesize of output 363 [2022-02-16 11:09:48,048 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 61 treesize of output 59 [2022-02-16 11:09:52,202 INFO L134 CoverageAnalysis]: Checked inductivity of 16513 backedges. 30 proven. 15015 refuted. 0 times theorem prover too weak. 1468 trivial. 0 not checked. [2022-02-16 11:09:52,203 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825860473] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:09:52,203 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:09:52,203 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 85, 46] total 141 [2022-02-16 11:09:52,203 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856631799] [2022-02-16 11:09:52,203 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:09:52,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2022-02-16 11:09:52,204 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:09:52,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2022-02-16 11:09:52,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=536, Invalid=19486, Unknown=0, NotChecked=0, Total=20022 [2022-02-16 11:09:52,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:09:52,212 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:09:52,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 4.753521126760563) internal successors, (675), 141 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 11:09:52,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:09:52,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:09:52,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:09:55,935 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1920 transitions and produced 1497 states. [2022-02-16 11:09:55,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:09:55,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:09:55,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-16 11:09:55,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-16 11:09:56,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:09:56,136 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:09:56,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:09:56,138 INFO L85 PathProgramCache]: Analyzing trace with hash 518815728, now seen corresponding path program 4 times [2022-02-16 11:09:56,138 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:09:56,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308040882] [2022-02-16 11:09:56,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:09:56,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:09:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:09:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 17372 backedges. 0 proven. 15802 refuted. 0 times theorem prover too weak. 1570 trivial. 0 not checked. [2022-02-16 11:09:58,747 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:09:58,747 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308040882] [2022-02-16 11:09:58,747 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308040882] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:09:58,747 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161434095] [2022-02-16 11:09:58,747 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-16 11:09:58,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:09:58,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:09:58,748 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 11:09:58,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-16 11:09:58,967 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-16 11:09:58,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:09:58,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 81 conjunts are in the unsatisfiable core [2022-02-16 11:09:58,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:10:03,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 11:10:03,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:03,801 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 83 treesize of output 37 [2022-02-16 11:10:04,248 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 11:10:04,259 INFO L134 CoverageAnalysis]: Checked inductivity of 17372 backedges. 2 proven. 15780 refuted. 0 times theorem prover too weak. 1590 trivial. 0 not checked. [2022-02-16 11:10:04,260 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:10:04,680 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 11:10:04,680 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 16 treesize of output 20 [2022-02-16 11:10:07,975 INFO L353 Elim1Store]: treesize reduction 630, result has 15.9 percent of original size [2022-02-16 11:10:07,976 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 387 treesize of output 381 [2022-02-16 11:10:07,984 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 61 treesize of output 59 [2022-02-16 11:10:12,129 INFO L134 CoverageAnalysis]: Checked inductivity of 17372 backedges. 52 proven. 15730 refuted. 0 times theorem prover too weak. 1590 trivial. 0 not checked. [2022-02-16 11:10:12,129 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161434095] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:10:12,129 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:10:12,129 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 46, 46] total 93 [2022-02-16 11:10:12,129 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726489519] [2022-02-16 11:10:12,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:10:12,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2022-02-16 11:10:12,140 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:10:12,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2022-02-16 11:10:12,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=427, Invalid=8315, Unknown=0, NotChecked=0, Total=8742 [2022-02-16 11:10:12,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:10:12,142 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:10:12,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 3.851063829787234) internal successors, (362), 93 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 11:10:12,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:10:12,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:10:12,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-16 11:10:12,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:10:15,229 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1972 transitions and produced 1529 states. [2022-02-16 11:10:15,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:10:15,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:10:15,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-16 11:10:15,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-16 11:10:15,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-16 11:10:15,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:10:15,439 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:10:15,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:10:15,440 INFO L85 PathProgramCache]: Analyzing trace with hash 725637219, now seen corresponding path program 5 times [2022-02-16 11:10:15,440 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:10:15,440 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568827318] [2022-02-16 11:10:15,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:10:15,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:10:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:10:19,349 INFO L134 CoverageAnalysis]: Checked inductivity of 18254 backedges. 0 proven. 16551 refuted. 0 times theorem prover too weak. 1703 trivial. 0 not checked. [2022-02-16 11:10:19,349 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:10:19,350 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568827318] [2022-02-16 11:10:19,352 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568827318] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:10:19,352 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264776544] [2022-02-16 11:10:19,352 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-16 11:10:19,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:10:19,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:10:19,353 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 11:10:19,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-16 11:10:22,408 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 76 check-sat command(s) [2022-02-16 11:10:22,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:10:22,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 1097 conjuncts, 86 conjunts are in the unsatisfiable core [2022-02-16 11:10:22,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:10:27,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 11:10:27,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:27,395 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 83 treesize of output 37 [2022-02-16 11:10:28,286 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 11:10:28,301 INFO L134 CoverageAnalysis]: Checked inductivity of 18254 backedges. 1 proven. 16561 refuted. 0 times theorem prover too weak. 1692 trivial. 0 not checked. [2022-02-16 11:10:28,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:10:29,156 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 11:10:29,157 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 16 treesize of output 20 [2022-02-16 11:10:34,112 INFO L353 Elim1Store]: treesize reduction 630, result has 15.9 percent of original size [2022-02-16 11:10:34,112 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 314 treesize of output 344 [2022-02-16 11:10:34,122 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 61 treesize of output 59 [2022-02-16 11:10:43,422 INFO L134 CoverageAnalysis]: Checked inductivity of 18254 backedges. 115 proven. 16447 refuted. 0 times theorem prover too weak. 1692 trivial. 0 not checked. [2022-02-16 11:10:43,423 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264776544] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:10:43,423 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:10:43,423 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 120 [2022-02-16 11:10:43,423 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907710060] [2022-02-16 11:10:43,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:10:43,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2022-02-16 11:10:43,424 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:10:43,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2022-02-16 11:10:43,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=13969, Unknown=0, NotChecked=0, Total=14520 [2022-02-16 11:10:43,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:10:43,427 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:10:43,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 3.669421487603306) internal successors, (444), 120 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 11:10:43,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:10:43,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:10:43,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-16 11:10:43,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-16 11:10:43,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:10:48,101 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2013 transitions and produced 1560 states. [2022-02-16 11:10:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:10:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:10:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-16 11:10:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-16 11:10:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-16 11:10:48,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-16 11:10:48,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:10:48,317 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:10:48,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:10:48,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1673023402, now seen corresponding path program 6 times [2022-02-16 11:10:48,318 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:10:48,318 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342168413] [2022-02-16 11:10:48,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:10:48,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:10:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:10:51,042 INFO L134 CoverageAnalysis]: Checked inductivity of 18944 backedges. 0 proven. 17207 refuted. 0 times theorem prover too weak. 1737 trivial. 0 not checked. [2022-02-16 11:10:51,042 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:10:51,042 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342168413] [2022-02-16 11:10:51,042 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342168413] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:10:51,042 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425566894] [2022-02-16 11:10:51,042 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-16 11:10:51,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:10:51,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:10:51,044 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 11:10:51,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-16 11:10:52,308 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 79 check-sat command(s) [2022-02-16 11:10:52,308 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:10:52,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 163 conjunts are in the unsatisfiable core [2022-02-16 11:10:52,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:10:58,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 11:10:58,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:10:58,101 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 85 treesize of output 37 [2022-02-16 11:10:58,683 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 11:10:58,699 INFO L134 CoverageAnalysis]: Checked inductivity of 18944 backedges. 0 proven. 17207 refuted. 0 times theorem prover too weak. 1737 trivial. 0 not checked. [2022-02-16 11:10:58,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:10:59,309 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 11:10:59,309 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 16 treesize of output 20 [2022-02-16 11:11:02,524 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 63 treesize of output 61 [2022-02-16 11:11:02,673 INFO L353 Elim1Store]: treesize reduction 630, result has 15.9 percent of original size [2022-02-16 11:11:02,674 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 353 treesize of output 363 [2022-02-16 11:11:08,390 INFO L134 CoverageAnalysis]: Checked inductivity of 18944 backedges. 100 proven. 17107 refuted. 0 times theorem prover too weak. 1737 trivial. 0 not checked. [2022-02-16 11:11:08,390 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425566894] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:11:08,390 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:11:08,390 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 47, 47] total 93 [2022-02-16 11:11:08,391 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703816286] [2022-02-16 11:11:08,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:11:08,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2022-02-16 11:11:08,391 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:11:08,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2022-02-16 11:11:08,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=8305, Unknown=0, NotChecked=0, Total=8742 [2022-02-16 11:11:08,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:11:08,394 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:11:08,394 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 3.9680851063829787) internal successors, (373), 93 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 11:11:08,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:11:08,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:11:08,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-16 11:11:08,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-16 11:11:08,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-02-16 11:11:08,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:11:12,210 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2302 transitions and produced 1720 states. [2022-02-16 11:11:12,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:11:12,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:11:12,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-16 11:11:12,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-16 11:11:12,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-16 11:11:12,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-16 11:11:12,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-16 11:11:12,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:11:12,420 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:11:12,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:11:12,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1526126821, now seen corresponding path program 7 times [2022-02-16 11:11:12,420 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:11:12,420 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780189895] [2022-02-16 11:11:12,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:11:12,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:11:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:11:16,629 INFO L134 CoverageAnalysis]: Checked inductivity of 22904 backedges. 0 proven. 21870 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2022-02-16 11:11:16,630 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:11:16,631 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780189895] [2022-02-16 11:11:16,631 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780189895] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:11:16,631 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776897370] [2022-02-16 11:11:16,631 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-16 11:11:16,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:11:16,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:11:16,632 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 11:11:16,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-16 11:11:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:11:16,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 1297 conjuncts, 123 conjunts are in the unsatisfiable core [2022-02-16 11:11:16,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:11:30,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 11:11:30,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:11:30,531 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 55 [2022-02-16 11:11:31,330 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 11:11:31,342 INFO L134 CoverageAnalysis]: Checked inductivity of 22904 backedges. 2 proven. 21866 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2022-02-16 11:11:31,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:11:31,827 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 11:11:31,828 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 16 treesize of output 20 [2022-02-16 11:11:42,955 INFO L353 Elim1Store]: treesize reduction 1590, result has 10.1 percent of original size [2022-02-16 11:11:42,955 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 773 treesize of output 657 [2022-02-16 11:11:42,971 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 61 treesize of output 59 [2022-02-16 11:12:34,807 INFO L134 CoverageAnalysis]: Checked inductivity of 22904 backedges. 126 proven. 21742 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2022-02-16 11:12:34,807 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776897370] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:12:34,807 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:12:34,808 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 70, 70] total 142 [2022-02-16 11:12:34,808 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539589730] [2022-02-16 11:12:34,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:12:34,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2022-02-16 11:12:34,808 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:12:34,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2022-02-16 11:12:34,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=728, Invalid=19578, Unknown=0, NotChecked=0, Total=20306 [2022-02-16 11:12:34,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:12:34,811 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:12:34,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 143 states have (on average 3.888111888111888) internal successors, (556), 142 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 11:12:34,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:12:34,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:12:34,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-16 11:12:34,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-16 11:12:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-02-16 11:12:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-16 11:12:34,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:12:41,417 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2349 transitions and produced 1754 states. [2022-02-16 11:12:41,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:12:41,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:12:41,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-16 11:12:41,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-16 11:12:41,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-16 11:12:41,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-16 11:12:41,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-16 11:12:41,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-16 11:12:41,637 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,SelfDestructingSolverStorable6 [2022-02-16 11:12:41,638 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:12:41,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:12:41,639 INFO L85 PathProgramCache]: Analyzing trace with hash -125872968, now seen corresponding path program 8 times [2022-02-16 11:12:41,639 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:12:41,639 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780133626] [2022-02-16 11:12:41,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:12:41,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:12:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:12:46,880 INFO L134 CoverageAnalysis]: Checked inductivity of 23903 backedges. 0 proven. 22857 refuted. 0 times theorem prover too weak. 1046 trivial. 0 not checked. [2022-02-16 11:12:46,880 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:12:46,880 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780133626] [2022-02-16 11:12:46,880 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780133626] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:12:46,880 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086687885] [2022-02-16 11:12:46,880 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 11:12:46,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:12:46,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:12:46,882 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 11:12:46,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-16 11:12:47,105 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-16 11:12:47,105 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:12:47,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 1316 conjuncts, 123 conjunts are in the unsatisfiable core [2022-02-16 11:12:47,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:13:01,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 11:13:01,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:13:01,411 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 55 [2022-02-16 11:13:02,273 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 11:13:02,291 INFO L134 CoverageAnalysis]: Checked inductivity of 23903 backedges. 2 proven. 22851 refuted. 0 times theorem prover too weak. 1050 trivial. 0 not checked. [2022-02-16 11:13:02,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:13:02,892 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 11:13:02,892 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 16 treesize of output 20 [2022-02-16 11:13:12,304 INFO L353 Elim1Store]: treesize reduction 1590, result has 10.1 percent of original size [2022-02-16 11:13:12,304 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 725 treesize of output 633 [2022-02-16 11:13:12,321 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 61 treesize of output 59 [2022-02-16 11:13:45,539 INFO L134 CoverageAnalysis]: Checked inductivity of 23903 backedges. 172 proven. 22681 refuted. 0 times theorem prover too weak. 1050 trivial. 0 not checked. [2022-02-16 11:13:45,541 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086687885] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:13:45,541 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:13:45,541 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 70, 70] total 141 [2022-02-16 11:13:45,541 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330158849] [2022-02-16 11:13:45,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:13:45,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2022-02-16 11:13:45,542 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:13:45,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2022-02-16 11:13:45,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=797, Invalid=19225, Unknown=0, NotChecked=0, Total=20022 [2022-02-16 11:13:45,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:13:45,544 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:13:45,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 3.908450704225352) internal successors, (555), 141 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 11:13:45,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:13:45,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:13:45,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-16 11:13:45,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-16 11:13:45,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-02-16 11:13:45,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-16 11:13:45,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-02-16 11:13:45,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:13:51,346 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2570 transitions and produced 1924 states. [2022-02-16 11:13:51,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:13:51,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:13:51,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-16 11:13:51,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-16 11:13:51,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-16 11:13:51,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-16 11:13:51,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-16 11:13:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:13:51,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-02-16 11:13:51,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:13:51,569 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:13:51,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:13:51,570 INFO L85 PathProgramCache]: Analyzing trace with hash -984954337, now seen corresponding path program 9 times [2022-02-16 11:13:51,570 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:13:51,577 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006437575] [2022-02-16 11:13:51,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:13:51,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:13:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:13:56,755 INFO L134 CoverageAnalysis]: Checked inductivity of 29396 backedges. 0 proven. 27876 refuted. 0 times theorem prover too weak. 1520 trivial. 0 not checked. [2022-02-16 11:13:56,755 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:13:56,756 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006437575] [2022-02-16 11:13:56,756 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006437575] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:13:56,756 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820635802] [2022-02-16 11:13:56,756 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-16 11:13:56,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:13:56,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:13:56,757 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 11:13:56,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-16 11:13:58,913 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 99 check-sat command(s) [2022-02-16 11:13:58,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:13:58,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 1433 conjuncts, 327 conjunts are in the unsatisfiable core [2022-02-16 11:13:58,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:14:15,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 11:14:15,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:14:15,202 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 55 [2022-02-16 11:14:24,683 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 11:14:24,697 INFO L134 CoverageAnalysis]: Checked inductivity of 29396 backedges. 1 proven. 29264 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-02-16 11:14:24,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:14:25,285 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 11:14:25,286 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2022-02-16 11:14:37,053 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 63 treesize of output 61 [2022-02-16 11:14:37,712 INFO L353 Elim1Store]: treesize reduction 1590, result has 10.1 percent of original size [2022-02-16 11:14:37,713 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 726 treesize of output 632 [2022-02-16 11:15:23,688 INFO L134 CoverageAnalysis]: Checked inductivity of 29396 backedges. 226 proven. 27632 refuted. 0 times theorem prover too weak. 1538 trivial. 0 not checked. [2022-02-16 11:15:23,688 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820635802] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:15:23,688 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:15:23,688 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 121, 70] total 205 [2022-02-16 11:15:23,688 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242569464] [2022-02-16 11:15:23,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:15:23,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 206 states [2022-02-16 11:15:23,689 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:15:23,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 206 interpolants. [2022-02-16 11:15:23,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1010, Invalid=41220, Unknown=0, NotChecked=0, Total=42230 [2022-02-16 11:15:23,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:15:23,692 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:15:23,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 206 states, 206 states have (on average 4.747572815533981) internal successors, (978), 205 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 11:15:23,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:15:23,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:15:23,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-16 11:15:23,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-16 11:15:23,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-02-16 11:15:23,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-16 11:15:23,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-02-16 11:15:23,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:15:23,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:15:30,303 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2611 transitions and produced 1954 states. [2022-02-16 11:15:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:15:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:15:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-16 11:15:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-16 11:15:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-16 11:15:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-16 11:15:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-16 11:15:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:15:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-16 11:15:30,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-02-16 11:15:30,527 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,SelfDestructingSolverStorable8 [2022-02-16 11:15:30,527 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:15:30,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:15:30,527 INFO L85 PathProgramCache]: Analyzing trace with hash -705600562, now seen corresponding path program 10 times [2022-02-16 11:15:30,527 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:15:30,527 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642241787] [2022-02-16 11:15:30,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:15:30,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:15:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:15:43,931 INFO L134 CoverageAnalysis]: Checked inductivity of 30266 backedges. 0 proven. 28627 refuted. 0 times theorem prover too weak. 1639 trivial. 0 not checked. [2022-02-16 11:15:43,932 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:15:43,932 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642241787] [2022-02-16 11:15:43,932 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642241787] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:15:43,932 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594200507] [2022-02-16 11:15:43,932 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-16 11:15:43,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:15:43,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:15:43,934 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 11:15:43,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-16 11:15:44,235 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-16 11:15:44,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:15:44,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 123 conjunts are in the unsatisfiable core [2022-02-16 11:15:44,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:15:59,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,968 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 11:15:59,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:15:59,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:16:00,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:16:00,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:16:00,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:16:00,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:16:00,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:16:00,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:16:00,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:16:00,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:16:00,006 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 55 [2022-02-16 11:16:01,042 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 11:16:01,062 INFO L134 CoverageAnalysis]: Checked inductivity of 30266 backedges. 0 proven. 28607 refuted. 0 times theorem prover too weak. 1659 trivial. 0 not checked. [2022-02-16 11:16:01,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:16:02,035 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 11:16:02,036 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 16 treesize of output 20 [2022-02-16 11:16:14,246 INFO L353 Elim1Store]: treesize reduction 1590, result has 10.1 percent of original size [2022-02-16 11:16:14,247 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 807 treesize of output 675 [2022-02-16 11:16:14,266 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 61 treesize of output 59 [2022-02-16 11:17:36,638 INFO L134 CoverageAnalysis]: Checked inductivity of 30266 backedges. 256 proven. 28351 refuted. 0 times theorem prover too weak. 1659 trivial. 0 not checked. [2022-02-16 11:17:36,639 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594200507] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:17:36,639 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:17:36,639 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 70, 70] total 140 [2022-02-16 11:17:36,639 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743242949] [2022-02-16 11:17:36,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:17:36,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2022-02-16 11:17:36,640 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:17:36,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2022-02-16 11:17:36,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=824, Invalid=18916, Unknown=0, NotChecked=0, Total=19740 [2022-02-16 11:17:36,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:17:36,641 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:17:36,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 3.978723404255319) internal successors, (561), 140 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 11:17:36,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:17:36,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:17:36,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-16 11:17:36,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-16 11:17:36,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-02-16 11:17:36,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-16 11:17:36,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-02-16 11:17:36,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:17:36,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-16 11:17:36,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:17:41,791 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2652 transitions and produced 1979 states. [2022-02-16 11:17:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:17:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:17:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-16 11:17:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-16 11:17:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-16 11:17:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-16 11:17:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-16 11:17:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:17:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-16 11:17:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-16 11:17:41,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-02-16 11:17:41,992 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,SelfDestructingSolverStorable9 [2022-02-16 11:17:41,993 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:17:41,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:17:41,993 INFO L85 PathProgramCache]: Analyzing trace with hash -764178877, now seen corresponding path program 11 times [2022-02-16 11:17:41,993 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:17:41,993 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943328301] [2022-02-16 11:17:41,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:17:41,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:17:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:17:47,426 INFO L134 CoverageAnalysis]: Checked inductivity of 31149 backedges. 0 proven. 29378 refuted. 0 times theorem prover too weak. 1771 trivial. 0 not checked. [2022-02-16 11:17:47,426 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:17:47,426 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943328301] [2022-02-16 11:17:47,426 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943328301] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:17:47,427 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606868390] [2022-02-16 11:17:47,427 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-16 11:17:47,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:17:47,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:17:47,428 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 11:17:47,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-16 11:17:49,433 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 101 check-sat command(s) [2022-02-16 11:17:49,433 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:17:49,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 1467 conjuncts, 184 conjunts are in the unsatisfiable core [2022-02-16 11:17:49,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:18:18,791 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 17 [2022-02-16 11:18:18,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,884 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 11:18:18,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:18:18,956 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 11:18:18,956 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 136 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 18 case distinctions, treesize of input 150 treesize of output 278 [2022-02-16 11:18:33,912 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 11:18:33,933 INFO L134 CoverageAnalysis]: Checked inductivity of 31149 backedges. 0 proven. 30296 refuted. 0 times theorem prover too weak. 853 trivial. 0 not checked. [2022-02-16 11:18:33,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:18:34,744 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 11:18:34,744 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 16 treesize of output 20 [2022-02-16 11:18:46,686 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 63 treesize of output 61 [2022-02-16 11:18:47,485 INFO L353 Elim1Store]: treesize reduction 1590, result has 10.1 percent of original size [2022-02-16 11:18:47,486 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 920 treesize of output 730 [2022-02-16 11:19:50,495 INFO L134 CoverageAnalysis]: Checked inductivity of 31149 backedges. 288 proven. 29068 refuted. 0 times theorem prover too weak. 1793 trivial. 0 not checked. [2022-02-16 11:19:50,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606868390] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:19:50,495 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:19:50,495 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 87, 71] total 160 [2022-02-16 11:19:50,495 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608350653] [2022-02-16 11:19:50,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:19:50,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2022-02-16 11:19:50,496 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:19:50,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2022-02-16 11:19:50,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=881, Invalid=24879, Unknown=0, NotChecked=0, Total=25760 [2022-02-16 11:19:50,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:19:50,498 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:19:50,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 4.211180124223603) internal successors, (678), 160 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 11:19:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:19:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:19:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-16 11:19:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-16 11:19:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-02-16 11:19:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-16 11:19:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-02-16 11:19:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:19:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-16 11:19:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-16 11:19:50,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:19:53,111 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2654 transitions and produced 1989 states. [2022-02-16 11:19:53,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:19:53,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:19:53,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-16 11:19:53,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-16 11:19:53,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-16 11:19:53,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-16 11:19:53,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-16 11:19:53,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:19:53,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-16 11:19:53,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-16 11:19:53,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-16 11:19:53,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-02-16 11:19:53,314 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,SelfDestructingSolverStorable10 [2022-02-16 11:19:53,315 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:19:53,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:19:53,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1868510668, now seen corresponding path program 12 times [2022-02-16 11:19:53,315 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:19:53,315 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648939412] [2022-02-16 11:19:53,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:19:53,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:19:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:19:59,013 INFO L134 CoverageAnalysis]: Checked inductivity of 31774 backedges. 0 proven. 29970 refuted. 0 times theorem prover too weak. 1804 trivial. 0 not checked. [2022-02-16 11:19:59,014 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:19:59,014 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648939412] [2022-02-16 11:19:59,014 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648939412] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:19:59,014 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107675110] [2022-02-16 11:19:59,014 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-16 11:19:59,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:19:59,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:19:59,015 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 11:19:59,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-16 11:20:01,029 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 98 check-sat command(s) [2022-02-16 11:20:01,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 11:20:01,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 1441 conjuncts, 123 conjunts are in the unsatisfiable core [2022-02-16 11:20:01,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:20:15,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 11:20:15,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:20:15,321 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 136 disjoint index pairs (out of 153 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 55 [2022-02-16 11:20:16,275 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 11:20:16,296 INFO L134 CoverageAnalysis]: Checked inductivity of 31774 backedges. 0 proven. 29970 refuted. 0 times theorem prover too weak. 1804 trivial. 0 not checked. [2022-02-16 11:20:16,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:20:17,299 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 11:20:17,300 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2022-02-16 11:20:29,297 INFO L353 Elim1Store]: treesize reduction 1590, result has 10.1 percent of original size [2022-02-16 11:20:29,298 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 754 treesize of output 648 [2022-02-16 11:20:29,312 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 61 treesize of output 59 [2022-02-16 11:21:15,625 INFO L134 CoverageAnalysis]: Checked inductivity of 31774 backedges. 288 proven. 29682 refuted. 0 times theorem prover too weak. 1804 trivial. 0 not checked. [2022-02-16 11:21:15,626 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107675110] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 11:21:15,626 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 11:21:15,626 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 71, 71] total 141 [2022-02-16 11:21:15,626 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025191862] [2022-02-16 11:21:15,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 11:21:15,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2022-02-16 11:21:15,627 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 11:21:15,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2022-02-16 11:21:15,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=824, Invalid=19198, Unknown=0, NotChecked=0, Total=20022 [2022-02-16 11:21:15,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:21:15,628 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 11:21:15,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 4.0) internal successors, (568), 141 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 11:21:15,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:21:15,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:21:15,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-02-16 11:21:15,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-02-16 11:21:15,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-02-16 11:21:15,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-02-16 11:21:15,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-02-16 11:21:15,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:21:15,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-16 11:21:15,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-02-16 11:21:15,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-02-16 11:21:15,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 11:21:22,017 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2910 transitions and produced 2128 states. [2022-02-16 11:21:22,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-16 11:21:22,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-02-16 11:21:22,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-16 11:21:22,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-02-16 11:21:22,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-02-16 11:21:22,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-02-16 11:21:22,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-02-16 11:21:22,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-02-16 11:21:22,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-16 11:21:22,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-02-16 11:21:22,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-02-16 11:21:22,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-16 11:21:22,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-02-16 11:21:22,243 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,SelfDestructingSolverStorable11 [2022-02-16 11:21:22,243 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 11:21:22,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 11:21:22,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1808130988, now seen corresponding path program 13 times [2022-02-16 11:21:22,244 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 11:21:22,244 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998726666] [2022-02-16 11:21:22,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 11:21:22,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 11:21:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:21:28,634 INFO L134 CoverageAnalysis]: Checked inductivity of 36613 backedges. 0 proven. 35471 refuted. 0 times theorem prover too weak. 1142 trivial. 0 not checked. [2022-02-16 11:21:28,634 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 11:21:28,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998726666] [2022-02-16 11:21:28,634 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998726666] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 11:21:28,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059363120] [2022-02-16 11:21:28,634 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-16 11:21:28,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:21:28,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 11:21:28,636 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 11:21:28,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-16 11:21:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 11:21:29,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 1628 conjuncts, 151 conjunts are in the unsatisfiable core [2022-02-16 11:21:29,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 11:21:54,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:54,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,018 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 11:21:55,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-16 11:21:55,081 INFO L244 Elim1Store]: Index analysis took 115 ms [2022-02-16 11:21:55,082 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 210 disjoint index pairs (out of 231 index pairs), introduced 21 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 67 [2022-02-16 11:21:56,026 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 11:21:56,046 INFO L134 CoverageAnalysis]: Checked inductivity of 36613 backedges. 2 proven. 35463 refuted. 0 times theorem prover too weak. 1148 trivial. 0 not checked. [2022-02-16 11:21:56,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 11:21:56,935 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 11:21:56,935 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 16 treesize of output 20 [2022-02-16 11:22:20,319 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 63 treesize of output 61 [2022-02-16 11:22:21,972 INFO L353 Elim1Store]: treesize reduction 2470, result has 8.1 percent of original size [2022-02-16 11:22:21,973 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 1245 treesize of output 947 Received shutdown request... [2022-02-16 11:22:34,045 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-16 11:22:34,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-16 11:22:34,081 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 11:22:34,081 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 11:22:34,081 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 11:22:34,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 11:22:34,263 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 798 with TraceHistMax 143,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-11-1 context. [2022-02-16 11:22:34,266 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-16 11:22:34,266 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-16 11:22:34,266 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-16 11:22:34,271 INFO L732 BasicCegarLoop]: Path program histogram: [13] [2022-02-16 11:22:34,273 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 11:22:34,273 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 11:22:34,275 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 11:22:34 BasicIcfg [2022-02-16 11:22:34,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 11:22:34,276 INFO L158 Benchmark]: Toolchain (without parser) took 841446.51ms. Allocated memory was 175.1MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 133.1MB in the beginning and 397.8MB in the end (delta: -264.7MB). Peak memory consumption was 956.3MB. Max. memory is 8.0GB. [2022-02-16 11:22:34,276 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 175.1MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 11:22:34,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.77ms. Allocated memory is still 175.1MB. Free memory was 132.9MB in the beginning and 131.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 11:22:34,276 INFO L158 Benchmark]: Boogie Preprocessor took 11.23ms. Allocated memory is still 175.1MB. Free memory was 131.4MB in the beginning and 130.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 11:22:34,276 INFO L158 Benchmark]: RCFGBuilder took 254.14ms. Allocated memory is still 175.1MB. Free memory was 130.3MB in the beginning and 119.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-16 11:22:34,277 INFO L158 Benchmark]: TraceAbstraction took 841152.96ms. Allocated memory was 175.1MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 119.0MB in the beginning and 397.8MB in the end (delta: -278.8MB). Peak memory consumption was 940.6MB. Max. memory is 8.0GB. [2022-02-16 11:22:34,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 175.1MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.77ms. Allocated memory is still 175.1MB. Free memory was 132.9MB in the beginning and 131.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.23ms. Allocated memory is still 175.1MB. Free memory was 131.4MB in the beginning and 130.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 254.14ms. Allocated memory is still 175.1MB. Free memory was 130.3MB in the beginning and 119.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 841152.96ms. Allocated memory was 175.1MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 119.0MB in the beginning and 397.8MB in the end (delta: -278.8MB). Peak memory consumption was 940.6MB. 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: 102]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 798 with TraceHistMax 143,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-11-1 context. - TimeoutResultAtElement [Line: 95]: 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 798 with TraceHistMax 143,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-11-1 context. - TimeoutResultAtElement [Line: 95]: 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 798 with TraceHistMax 143,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-11-1 context. - TimeoutResultAtElement [Line: 96]: 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 798 with TraceHistMax 143,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-11-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 841.0s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 56.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 685, 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: 0.8s SsaConstructionTime, 50.4s SatisfiabilityAnalysisTime, 658.0s InterpolantComputationTime, 14460 NumberOfCodeBlocks, 14439 NumberOfCodeBlocksAsserted, 540 NumberOfCheckSat, 21654 ConstructedInterpolants, 1317 QuantifiedInterpolants, 488455 SizeOfPredicates, 170 NumberOfNonLiveVariables, 14617 ConjunctsInSsa, 1656 ConjunctsInUnsatCore, 36 InterpolantComputations, 0 PerfectInterpolantSequences, 49833/793992 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