/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 11:18:27,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 11:18:27,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 11:18:27,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 11:18:27,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 11:18:27,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 11:18:27,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 11:18:27,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 11:18:27,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 11:18:27,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 11:18:27,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 11:18:27,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 11:18:27,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 11:18:27,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 11:18:27,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 11:18:27,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 11:18:27,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 11:18:27,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 11:18:27,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 11:18:27,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 11:18:27,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 11:18:27,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 11:18:27,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 11:18:27,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 11:18:27,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 11:18:27,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 11:18:27,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 11:18:27,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 11:18:27,721 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-16 11:18:27,742 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 11:18:27,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 11:18:27,742 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 11:18:27,742 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 11:18:27,743 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 11:18:27,743 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 11:18:27,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 11:18:27,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 11:18:27,744 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 11:18:27,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 11:18:27,744 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 11:18:27,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 11:18:27,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 11:18:27,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 11:18:27,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 11:18:27,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 11:18:27,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 11:18:27,745 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 11:18:27,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 11:18:27,745 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 11:18:27,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 11:18:27,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 11:18:27,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 11:18:27,746 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 11:18:27,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 11:18:27,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:18:27,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 11:18:27,746 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 11:18:27,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 11:18:27,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 11:18:27,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 11:18:27,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 11:18:27,747 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 11:18:27,747 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 11:18:27,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 11:18:27,747 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-16 11:18:27,747 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-16 11:18:27,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 11:18:27,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 11:18:27,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 11:18:27,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 11:18:27,968 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 11:18:27,972 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 11:18:27,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl [2022-03-16 11:18:27,973 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl' [2022-03-16 11:18:27,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 11:18:27,992 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 11:18:27,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 11:18:27,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 11:18:27,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 11:18:28,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:27" (1/1) ... [2022-03-16 11:18:28,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:27" (1/1) ... [2022-03-16 11:18:28,018 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 11:18:28,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 11:18:28,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 11:18:28,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 11:18:28,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 11:18:28,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:27" (1/1) ... [2022-03-16 11:18:28,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:27" (1/1) ... [2022-03-16 11:18:28,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:27" (1/1) ... [2022-03-16 11:18:28,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:27" (1/1) ... [2022-03-16 11:18:28,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:27" (1/1) ... [2022-03-16 11:18:28,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:27" (1/1) ... [2022-03-16 11:18:28,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:27" (1/1) ... [2022-03-16 11:18:28,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 11:18:28,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 11:18:28,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 11:18:28,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 11:18:28,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:27" (1/1) ... [2022-03-16 11:18:28,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 11:18:28,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:18:28,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-16 11:18:28,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-16 11:18:28,106 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 11:18:28,106 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 11:18:28,106 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 11:18:28,106 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 11:18:28,107 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 11:18:28,107 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 11:18:28,108 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 11:18:28,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 11:18:28,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 11:18:28,108 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 11:18:28,108 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 11:18:28,109 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 11:18:28,110 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 11:18:28,163 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 11:18:28,168 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 11:18:28,244 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 11:18:28,261 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 11:18:28,261 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 11:18:28,266 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:18:28 BoogieIcfgContainer [2022-03-16 11:18:28,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 11:18:28,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 11:18:28,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 11:18:28,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 11:18:28,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 11:18:27" (1/2) ... [2022-03-16 11:18:28,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3843b94c and model type prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 11:18:28, skipping insertion in model container [2022-03-16 11:18:28,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 11:18:28" (2/2) ... [2022-03-16 11:18:28,278 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons.wvr.bpl [2022-03-16 11:18:28,282 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 11:18:28,282 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 11:18:28,282 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 11:18:28,283 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 11:18:28,313 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 11:18:28,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 11:18:28,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:18:28,351 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 11:18:28,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-16 11:18:28,470 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 11:18:28,476 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-16 11:18:28,476 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 11:18:28,633 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1757 transitions and produced 888 states. [2022-03-16 11:18:28,635 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:18:28,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:18:28,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1971741920, now seen corresponding path program 1 times [2022-03-16 11:18:28,646 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:18:28,646 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906491796] [2022-03-16 11:18:28,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:18:28,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:18:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:18:28,925 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2022-03-16 11:18:28,925 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:18:28,926 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906491796] [2022-03-16 11:18:28,926 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906491796] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 11:18:28,926 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 11:18:28,927 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 11:18:28,928 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801570232] [2022-03-16 11:18:28,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 11:18:28,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 11:18:28,934 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:18:28,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 11:18:28,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 11:18:28,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:18:28,962 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:18:28,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:18:28,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:18:29,104 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3925 transitions and produced 1745 states. [2022-03-16 11:18:29,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:18:29,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 11:18:29,105 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:18:29,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:18:29,106 INFO L85 PathProgramCache]: Analyzing trace with hash -500126370, now seen corresponding path program 2 times [2022-03-16 11:18:29,106 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:18:29,107 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876930938] [2022-03-16 11:18:29,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:18:29,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:18:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:18:30,557 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 23 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:18:30,558 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:18:30,558 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876930938] [2022-03-16 11:18:30,558 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876930938] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:18:30,559 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254589409] [2022-03-16 11:18:30,559 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 11:18:30,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:18:30,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:18:30,567 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:18:30,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 11:18:30,629 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 11:18:30,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:18:30,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 50 conjunts are in the unsatisfiable core [2022-03-16 11:18:30,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:18:33,434 INFO L353 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2022-03-16 11:18:33,435 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 26 [2022-03-16 11:18:33,586 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 23 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:18:33,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:18:35,634 INFO L353 Elim1Store]: treesize reduction 264, result has 47.7 percent of original size [2022-03-16 11:18:35,635 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 66 treesize of output 270 [2022-03-16 11:18:40,783 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 34 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:18:40,783 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254589409] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:18:40,783 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:18:40,783 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 95 [2022-03-16 11:18:40,784 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181484452] [2022-03-16 11:18:40,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:18:40,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-03-16 11:18:40,786 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:18:40,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-03-16 11:18:40,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=889, Invalid=8041, Unknown=0, NotChecked=0, Total=8930 [2022-03-16 11:18:40,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:18:40,797 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:18:40,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 2.1052631578947367) internal successors, (200), 95 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:18:40,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:18:40,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:18:43,994 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 253 transitions and produced 208 states. [2022-03-16 11:18:43,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:18:44,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-16 11:18:44,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-16 11:18:44,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-03-16 11:18:44,231 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:18:44,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:18:44,232 INFO L85 PathProgramCache]: Analyzing trace with hash -764862492, now seen corresponding path program 3 times [2022-03-16 11:18:44,232 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:18:44,232 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674098677] [2022-03-16 11:18:44,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:18:44,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:18:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:18:44,782 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 9 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:18:44,782 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:18:44,782 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674098677] [2022-03-16 11:18:44,782 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674098677] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:18:44,782 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307118575] [2022-03-16 11:18:44,783 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 11:18:44,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:18:44,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:18:44,792 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:18:44,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 11:18:44,836 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2022-03-16 11:18:44,837 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:18:44,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 38 conjunts are in the unsatisfiable core [2022-03-16 11:18:44,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:18:46,012 INFO L353 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2022-03-16 11:18:46,012 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 22 [2022-03-16 11:18:46,115 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 9 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:18:46,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:18:47,154 INFO L353 Elim1Store]: treesize reduction 156, result has 49.5 percent of original size [2022-03-16 11:18:47,155 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 53 treesize of output 177 [2022-03-16 11:18:48,806 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 33 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:18:48,807 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307118575] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:18:48,807 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:18:48,807 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 71 [2022-03-16 11:18:48,807 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698784566] [2022-03-16 11:18:48,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:18:48,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-03-16 11:18:48,808 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:18:48,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-03-16 11:18:48,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=542, Invalid=4428, Unknown=0, NotChecked=0, Total=4970 [2022-03-16 11:18:48,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:18:48,810 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:18:48,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 2.1549295774647885) internal successors, (153), 71 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:18:48,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:18:48,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-16 11:18:48,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:18:51,186 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 237 transitions and produced 191 states. [2022-03-16 11:18:51,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:18:51,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:18:51,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-16 11:18:51,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 11:18:51,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:18:51,388 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:18:51,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:18:51,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1497083383, now seen corresponding path program 4 times [2022-03-16 11:18:51,389 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:18:51,389 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674249381] [2022-03-16 11:18:51,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:18:51,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:18:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:18:51,455 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:18:51,456 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:18:51,456 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674249381] [2022-03-16 11:18:51,456 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674249381] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:18:51,456 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37187372] [2022-03-16 11:18:51,456 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 11:18:51,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:18:51,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:18:51,458 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:18:51,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 11:18:51,494 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 11:18:51,495 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:18:51,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-16 11:18:51,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:18:51,604 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:18:51,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:18:51,685 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:18:51,685 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37187372] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:18:51,685 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:18:51,685 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 9 [2022-03-16 11:18:51,685 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936678693] [2022-03-16 11:18:51,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:18:51,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-16 11:18:51,686 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:18:51,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-16 11:18:51,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-03-16 11:18:51,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:18:51,687 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:18:51,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:18:51,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:18:51,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:18:51,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-16 11:18:51,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:18:53,836 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 289 transitions and produced 237 states. [2022-03-16 11:18:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:18:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:18:53,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-16 11:18:53,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 11:18:53,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-16 11:18:54,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:18:54,038 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:18:54,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:18:54,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1918238105, now seen corresponding path program 5 times [2022-03-16 11:18:54,038 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:18:54,038 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587132293] [2022-03-16 11:18:54,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:18:54,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:18:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:18:54,727 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 11 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:18:54,727 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:18:54,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587132293] [2022-03-16 11:18:54,728 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587132293] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:18:54,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672462138] [2022-03-16 11:18:54,728 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 11:18:54,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:18:54,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:18:54,730 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:18:54,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 11:18:54,771 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-03-16 11:18:54,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:18:54,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 47 conjunts are in the unsatisfiable core [2022-03-16 11:18:54,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:18:56,493 INFO L353 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2022-03-16 11:18:56,493 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 26 [2022-03-16 11:18:56,609 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 11 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:18:56,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:18:58,063 INFO L353 Elim1Store]: treesize reduction 264, result has 47.7 percent of original size [2022-03-16 11:18:58,064 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 66 treesize of output 270 [2022-03-16 11:19:02,508 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 58 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:19:02,508 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672462138] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:19:02,509 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:19:02,509 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 86 [2022-03-16 11:19:02,509 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001236516] [2022-03-16 11:19:02,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:19:02,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-03-16 11:19:02,509 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:19:02,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-03-16 11:19:02,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=746, Invalid=6564, Unknown=0, NotChecked=0, Total=7310 [2022-03-16 11:19:02,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:19:02,512 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:19:02,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 2.1744186046511627) internal successors, (187), 86 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:19:02,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:19:02,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:19:02,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-16 11:19:02,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 11:19:02,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:19:05,812 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 273 transitions and produced 220 states. [2022-03-16 11:19:05,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:19:05,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:19:05,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-16 11:19:05,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 11:19:05,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-16 11:19:05,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 11:19:06,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:19:06,014 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:19:06,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:19:06,015 INFO L85 PathProgramCache]: Analyzing trace with hash -664923614, now seen corresponding path program 6 times [2022-03-16 11:19:06,015 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:19:06,015 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562269872] [2022-03-16 11:19:06,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:19:06,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:19:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:19:06,813 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:19:06,813 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:19:06,813 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562269872] [2022-03-16 11:19:06,813 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562269872] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:19:06,813 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886767715] [2022-03-16 11:19:06,813 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 11:19:06,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:19:06,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:19:06,815 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:19:06,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 11:19:06,851 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2022-03-16 11:19:06,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:19:06,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 55 conjunts are in the unsatisfiable core [2022-03-16 11:19:06,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:19:08,524 INFO L353 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2022-03-16 11:19:08,524 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 74 treesize of output 30 [2022-03-16 11:19:08,641 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:19:08,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:19:10,436 INFO L353 Elim1Store]: treesize reduction 400, result has 46.6 percent of original size [2022-03-16 11:19:10,436 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 78 treesize of output 382 [2022-03-16 11:19:20,509 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 57 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:19:20,510 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886767715] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:19:20,510 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:19:20,510 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 32, 31] total 87 [2022-03-16 11:19:20,510 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110812981] [2022-03-16 11:19:20,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:19:20,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2022-03-16 11:19:20,511 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:19:20,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2022-03-16 11:19:20,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=826, Invalid=6656, Unknown=0, NotChecked=0, Total=7482 [2022-03-16 11:19:20,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:19:20,514 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:19:20,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 1.8620689655172413) internal successors, (162), 87 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:19:20,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:19:20,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:19:20,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-16 11:19:20,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 11:19:20,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-03-16 11:19:20,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:19:27,502 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 322 transitions and produced 265 states. [2022-03-16 11:19:27,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:19:27,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:19:27,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-16 11:19:27,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 11:19:27,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-16 11:19:27,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-16 11:19:27,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 11:19:27,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:19:27,704 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:19:27,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:19:27,704 INFO L85 PathProgramCache]: Analyzing trace with hash -581026131, now seen corresponding path program 7 times [2022-03-16 11:19:27,705 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:19:27,705 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844471989] [2022-03-16 11:19:27,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:19:27,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:19:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:19:28,740 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 9 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:19:28,740 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:19:28,740 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844471989] [2022-03-16 11:19:28,740 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844471989] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:19:28,741 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834144045] [2022-03-16 11:19:28,741 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-16 11:19:28,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:19:28,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:19:28,748 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:19:28,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-16 11:19:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:19:28,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 64 conjunts are in the unsatisfiable core [2022-03-16 11:19:28,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:19:31,313 INFO L353 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2022-03-16 11:19:31,314 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 90 treesize of output 34 [2022-03-16 11:19:31,431 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 9 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:19:31,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:19:34,292 INFO L353 Elim1Store]: treesize reduction 564, result has 45.8 percent of original size [2022-03-16 11:19:34,293 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 92 treesize of output 516 [2022-03-16 11:20:34,291 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 75 proven. 193 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:20:34,291 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834144045] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:20:34,291 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:20:34,292 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 107 [2022-03-16 11:20:34,292 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273459990] [2022-03-16 11:20:34,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:20:34,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2022-03-16 11:20:34,292 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:20:34,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2022-03-16 11:20:34,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1048, Invalid=10294, Unknown=0, NotChecked=0, Total=11342 [2022-03-16 11:20:34,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:20:34,295 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:20:34,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 1.9345794392523366) internal successors, (207), 107 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:20:34,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:20:34,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:20:34,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-16 11:20:34,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 11:20:34,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-03-16 11:20:34,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-03-16 11:20:34,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:20:39,487 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 306 transitions and produced 248 states. [2022-03-16 11:20:39,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:20:39,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:20:39,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-16 11:20:39,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 11:20:39,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-16 11:20:39,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-16 11:20:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-16 11:20:39,514 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-16 11:20:39,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:20:39,712 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:20:39,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:20:39,712 INFO L85 PathProgramCache]: Analyzing trace with hash 2042485416, now seen corresponding path program 8 times [2022-03-16 11:20:39,712 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:20:39,712 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8549303] [2022-03-16 11:20:39,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:20:39,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:20:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:20:39,811 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 117 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:20:39,811 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:20:39,811 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8549303] [2022-03-16 11:20:39,811 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8549303] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:20:39,811 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340141271] [2022-03-16 11:20:39,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 11:20:39,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:20:39,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:20:39,813 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:20:39,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-16 11:20:39,861 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 11:20:39,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:20:39,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-16 11:20:39,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:20:39,972 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 117 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:20:39,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:20:40,087 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 117 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:20:40,087 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340141271] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:20:40,087 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:20:40,087 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 12 [2022-03-16 11:20:40,087 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911171438] [2022-03-16 11:20:40,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:20:40,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-16 11:20:40,088 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:20:40,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-16 11:20:40,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-03-16 11:20:40,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:20:40,089 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:20:40,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:20:40,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:20:40,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:20:40,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-16 11:20:40,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 11:20:40,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-03-16 11:20:40,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-03-16 11:20:40,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-16 11:20:40,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:20:43,783 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 358 transitions and produced 294 states. [2022-03-16 11:20:43,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:20:43,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:20:43,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-16 11:20:43,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 11:20:43,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-16 11:20:43,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-16 11:20:43,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-03-16 11:20:43,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-16 11:20:43,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-16 11:20:43,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-03-16 11:20:43,985 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:20:43,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:20:43,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1463841534, now seen corresponding path program 9 times [2022-03-16 11:20:43,985 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:20:43,985 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323122957] [2022-03-16 11:20:43,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:20:43,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:20:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:20:45,400 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 11 proven. 353 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:20:45,400 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:20:45,400 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323122957] [2022-03-16 11:20:45,400 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323122957] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:20:45,400 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615879288] [2022-03-16 11:20:45,400 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 11:20:45,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:20:45,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:20:45,402 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:20:45,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-16 11:20:45,446 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2022-03-16 11:20:45,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:20:45,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-16 11:20:45,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:20:49,300 INFO L353 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2022-03-16 11:20:49,300 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 98 treesize of output 38 [2022-03-16 11:20:49,439 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:20:49,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:20:53,715 INFO L353 Elim1Store]: treesize reduction 756, result has 45.3 percent of original size [2022-03-16 11:20:53,716 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 104 treesize of output 668 [2022-03-16 11:25:44,761 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 118 proven. 246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:25:44,762 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615879288] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:25:44,762 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:25:44,762 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 48, 43] total 127 [2022-03-16 11:25:44,762 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141682583] [2022-03-16 11:25:44,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:25:44,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2022-03-16 11:25:44,763 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:25:44,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2022-03-16 11:25:44,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1414, Invalid=14588, Unknown=0, NotChecked=0, Total=16002 [2022-03-16 11:25:44,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:25:44,767 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:25:44,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 1.8425196850393701) internal successors, (234), 127 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:25:44,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:25:44,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:25:44,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-16 11:25:44,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 11:25:44,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-03-16 11:25:44,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-03-16 11:25:44,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2022-03-16 11:25:44,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-16 11:25:44,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:25:54,296 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 381 transitions and produced 313 states. [2022-03-16 11:25:54,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:25:54,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:25:54,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-16 11:25:54,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 11:25:54,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-16 11:25:54,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-16 11:25:54,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-03-16 11:25:54,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-16 11:25:54,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-16 11:25:54,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-16 11:25:54,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:25:54,497 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:25:54,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:25:54,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1966625959, now seen corresponding path program 10 times [2022-03-16 11:25:54,498 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:25:54,498 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709718896] [2022-03-16 11:25:54,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:25:54,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:25:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:25:56,174 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 11 proven. 421 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:25:56,174 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:25:56,174 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709718896] [2022-03-16 11:25:56,174 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709718896] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:25:56,174 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083217163] [2022-03-16 11:25:56,174 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 11:25:56,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:25:56,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:25:56,177 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:25:56,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-16 11:25:56,220 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 11:25:56,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:25:56,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 81 conjunts are in the unsatisfiable core [2022-03-16 11:25:56,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:26:00,414 INFO L353 Elim1Store]: treesize reduction 432, result has 0.2 percent of original size [2022-03-16 11:26:00,414 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 114 treesize of output 42 [2022-03-16 11:26:00,558 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 11 proven. 421 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:26:00,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:26:06,094 INFO L353 Elim1Store]: treesize reduction 976, result has 44.8 percent of original size [2022-03-16 11:26:06,095 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 118 treesize of output 842 [2022-03-16 11:27:40,957 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 144 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:27:40,958 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083217163] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:27:40,958 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:27:40,958 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 134 [2022-03-16 11:27:40,958 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140122745] [2022-03-16 11:27:40,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:27:40,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2022-03-16 11:27:40,958 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:27:40,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2022-03-16 11:27:40,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1570, Invalid=16252, Unknown=0, NotChecked=0, Total=17822 [2022-03-16 11:27:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:27:40,961 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:27:40,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 1.8805970149253732) internal successors, (252), 134 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:27:40,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:27:40,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:27:40,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-16 11:27:40,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 11:27:40,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-03-16 11:27:40,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-03-16 11:27:40,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2022-03-16 11:27:40,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-16 11:27:40,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-16 11:27:40,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:27:50,883 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 365 transitions and produced 296 states. [2022-03-16 11:27:50,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:27:50,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:27:50,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-16 11:27:50,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 11:27:50,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-16 11:27:50,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-16 11:27:50,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-03-16 11:27:50,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-16 11:27:50,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-03-16 11:27:50,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-16 11:27:50,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-03-16 11:27:51,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-16 11:27:51,084 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:27:51,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:27:51,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1236206562, now seen corresponding path program 11 times [2022-03-16 11:27:51,085 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:27:51,085 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038890137] [2022-03-16 11:27:51,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:27:51,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:27:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:27:52,783 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:27:52,783 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:27:52,783 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038890137] [2022-03-16 11:27:52,783 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038890137] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:27:52,783 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976887079] [2022-03-16 11:27:52,783 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 11:27:52,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:27:52,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:27:52,785 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:27:52,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-16 11:27:52,830 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2022-03-16 11:27:52,831 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:27:52,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 86 conjunts are in the unsatisfiable core [2022-03-16 11:27:52,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:27:58,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-16 11:27:58,152 INFO L244 Elim1Store]: Index analysis took 128 ms [2022-03-16 11:27:58,534 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 11:27:58,535 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 135 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 55 case distinctions, treesize of input 122 treesize of output 684 [2022-03-16 11:28:34,677 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:28:34,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:29:04,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,315 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,321 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,323 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,327 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,337 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,338 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,341 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,342 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,355 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,356 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,361 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,365 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,366 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,367 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,368 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,369 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,373 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,375 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,378 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,383 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,384 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,388 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,389 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,392 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,394 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,396 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,397 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,398 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,399 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-16 11:29:04,789 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-16 11:29:04,790 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 135 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 55 case distinctions, treesize of input 131 treesize of output 693 [2022-03-16 11:29:34,141 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:29:34,141 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976887079] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 11:29:34,141 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 11:29:34,141 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 49, 49] total 138 [2022-03-16 11:29:34,141 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902697170] [2022-03-16 11:29:34,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 11:29:34,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 138 states [2022-03-16 11:29:34,142 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 11:29:34,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2022-03-16 11:29:34,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2799, Invalid=16101, Unknown=6, NotChecked=0, Total=18906 [2022-03-16 11:29:34,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:29:34,144 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 11:29:34,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 138 states, 138 states have (on average 1.6956521739130435) internal successors, (234), 138 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 11:29:34,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:29:34,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:29:34,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-16 11:29:34,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-16 11:29:34,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-03-16 11:29:34,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-03-16 11:29:34,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2022-03-16 11:29:34,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-16 11:29:34,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-03-16 11:29:34,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-16 11:29:34,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 11:29:49,226 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 456 transitions and produced 359 states. [2022-03-16 11:29:49,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 11:29:49,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-16 11:29:49,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-16 11:29:49,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-16 11:29:49,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-16 11:29:49,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-16 11:29:49,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-03-16 11:29:49,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-16 11:29:49,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-03-16 11:29:49,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-03-16 11:29:49,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-03-16 11:29:49,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-03-16 11:29:49,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-03-16 11:29:49,434 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 11:29:49,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 11:29:49,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1443174487, now seen corresponding path program 12 times [2022-03-16 11:29:49,435 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 11:29:49,435 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204506839] [2022-03-16 11:29:49,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 11:29:49,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 11:29:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 11:29:52,212 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 9 proven. 577 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:29:52,213 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 11:29:52,213 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204506839] [2022-03-16 11:29:52,213 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204506839] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 11:29:52,213 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431008068] [2022-03-16 11:29:52,213 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-16 11:29:52,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 11:29:52,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 11:29:52,220 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 11:29:52,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-16 11:29:52,280 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2022-03-16 11:29:52,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 11:29:52,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 102 conjunts are in the unsatisfiable core [2022-03-16 11:29:52,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 11:29:59,665 INFO L353 Elim1Store]: treesize reduction 770, result has 0.1 percent of original size [2022-03-16 11:29:59,666 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 146 treesize of output 54 [2022-03-16 11:29:59,855 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 9 proven. 577 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-16 11:29:59,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 11:30:13,094 WARN L228 SmtUtils]: Spent 6.73s on a formula simplification. DAG size of input: 1164 DAG size of output: 636 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-16 11:30:13,095 INFO L353 Elim1Store]: treesize reduction 1804, result has 44.0 percent of original size [2022-03-16 11:30:13,096 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 157 treesize of output 1481 Received shutdown request... [2022-03-16 11:31:19,374 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-16 11:31:19,376 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 11:31:19,385 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 11:31:19,385 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 11:31:19,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-03-16 11:31:19,396 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 11:31:19,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-03-16 11:31:19,578 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 104 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 21ms.. [2022-03-16 11:31:19,579 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 11:31:19,579 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 11:31:19,579 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 11:31:19,583 INFO L732 BasicCegarLoop]: Path program histogram: [12] [2022-03-16 11:31:19,585 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 11:31:19,585 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 11:31:19,587 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 11:31:19 BasicIcfg [2022-03-16 11:31:19,587 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 11:31:19,587 INFO L158 Benchmark]: Toolchain (without parser) took 771595.21ms. Allocated memory was 184.5MB in the beginning and 634.4MB in the end (delta: 449.8MB). Free memory was 143.3MB in the beginning and 244.5MB in the end (delta: -101.2MB). Peak memory consumption was 452.4MB. Max. memory is 8.0GB. [2022-03-16 11:31:19,587 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 184.5MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 11:31:19,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.54ms. Allocated memory is still 184.5MB. Free memory was 143.3MB in the beginning and 141.7MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-16 11:31:19,588 INFO L158 Benchmark]: Boogie Preprocessor took 13.41ms. Allocated memory is still 184.5MB. Free memory was 141.7MB in the beginning and 140.8MB in the end (delta: 926.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 11:31:19,588 INFO L158 Benchmark]: RCFGBuilder took 231.01ms. Allocated memory is still 184.5MB. Free memory was 140.8MB in the beginning and 131.5MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-16 11:31:19,588 INFO L158 Benchmark]: TraceAbstraction took 771314.24ms. Allocated memory was 184.5MB in the beginning and 634.4MB in the end (delta: 449.8MB). Free memory was 131.0MB in the beginning and 244.5MB in the end (delta: -113.5MB). Peak memory consumption was 438.8MB. Max. memory is 8.0GB. [2022-03-16 11:31:19,589 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 0.14ms. Allocated memory is still 184.5MB. Free memory is still 144.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.54ms. Allocated memory is still 184.5MB. Free memory was 143.3MB in the beginning and 141.7MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.41ms. Allocated memory is still 184.5MB. Free memory was 141.7MB in the beginning and 140.8MB in the end (delta: 926.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 231.01ms. Allocated memory is still 184.5MB. Free memory was 140.8MB in the beginning and 131.5MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 771314.24ms. Allocated memory was 184.5MB in the beginning and 634.4MB in the end (delta: 449.8MB). Free memory was 131.0MB in the beginning and 244.5MB in the end (delta: -113.5MB). Peak memory consumption was 438.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 104 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 21ms.. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 104 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 21ms.. - TimeoutResultAtElement [Line: 57]: 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 104 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 21ms.. - TimeoutResultAtElement [Line: 57]: 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 104 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 21ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 771.2s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 61.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 611, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 616.2s InterpolantComputationTime, 1551 NumberOfCodeBlocks, 1551 NumberOfCodeBlocksAsserted, 72 NumberOfCheckSat, 2238 ConstructedInterpolants, 35 QuantifiedInterpolants, 62760 SizeOfPredicates, 139 NumberOfNonLiveVariables, 1828 ConjunctsInSsa, 534 ConjunctsInUnsatCore, 31 InterpolantComputations, 1 PerfectInterpolantSequences, 2059/8267 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