/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 03:39:34,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 03:39:34,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 03:39:34,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-20 03:39:34,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 03:39:34,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 03:39:34,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 03:39:34,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 03:39:34,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 03:39:34,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 03:39:34,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 03:39:34,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 03:39:34,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 03:39:34,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 03:39:34,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 03:39:34,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 03:39:34,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-20 03:39:34,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 03:39:34,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 03:39:34,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 03:39:34,896 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf [2022-02-20 03:39:34,930 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 03:39:34,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 03:39:34,930 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 03:39:34,931 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 03:39:34,931 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 03:39:34,932 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 03:39:34,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 03:39:34,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 03:39:34,932 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 03:39:34,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 03:39:34,933 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 03:39:34,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 03:39:34,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 03:39:34,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 03:39:34,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 03:39:34,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 03:39:34,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 03:39:34,934 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 03:39:34,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 03:39:34,934 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 03:39:34,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 03:39:34,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 03:39:34,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 03:39:34,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 03:39:34,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 03:39:34,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 03:39:34,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 03:39:34,937 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 03:39:34,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 03:39:34,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 03:39:34,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 03:39:34,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 03:39:34,937 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 03:39:34,938 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 03:39:34,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 03:39:34,938 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-20 03:39:34,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 03:39:35,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 03:39:35,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 03:39:35,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 03:39:35,161 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 03:39:35,163 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 03:39:35,164 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl [2022-02-20 03:39:35,164 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl' [2022-02-20 03:39:35,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 03:39:35,183 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 03:39:35,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 03:39:35,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 03:39:35,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 03:39:35,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:39:35" (1/1) ... [2022-02-20 03:39:35,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:39:35" (1/1) ... [2022-02-20 03:39:35,207 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 03:39:35,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 03:39:35,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 03:39:35,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 03:39:35,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 03:39:35,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:39:35" (1/1) ... [2022-02-20 03:39:35,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:39:35" (1/1) ... [2022-02-20 03:39:35,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:39:35" (1/1) ... [2022-02-20 03:39:35,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:39:35" (1/1) ... [2022-02-20 03:39:35,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:39:35" (1/1) ... [2022-02-20 03:39:35,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:39:35" (1/1) ... [2022-02-20 03:39:35,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:39:35" (1/1) ... [2022-02-20 03:39:35,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 03:39:35,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 03:39:35,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 03:39:35,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 03:39:35,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:39:35" (1/1) ... [2022-02-20 03:39:35,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 03:39:35,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:39:35,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 03:39:35,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 03:39:35,305 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-20 03:39:35,305 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 03:39:35,305 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 03:39:35,306 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-20 03:39:35,306 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 03:39:35,306 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 03:39:35,306 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 03:39:35,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 03:39:35,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 03:39:35,307 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 03:39:35,349 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 03:39:35,350 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 03:39:35,480 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 03:39:35,486 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 03:39:35,486 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 03:39:35,488 INFO L202 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 03:39:35 BoogieIcfgContainer [2022-02-20 03:39:35,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 03:39:35,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 03:39:35,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 03:39:35,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 03:39:35,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 03:39:35" (1/2) ... [2022-02-20 03:39:35,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f9eb2a and model type misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 03:39:35, skipping insertion in model container [2022-02-20 03:39:35,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 03:39:35" (2/2) ... [2022-02-20 03:39:35,511 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-1.wvr.bpl [2022-02-20 03:39:35,515 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 03:39:35,516 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 03:39:35,516 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 03:39:35,516 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 03:39:35,586 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-20 03:39:35,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 03:39:35,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:39:35,670 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-20 03:39:35,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-20 03:39:35,732 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 03:39:35,739 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-20 03:39:35,739 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-20 03:39:36,062 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7343 transitions and produced 3503 states. [2022-02-20 03:39:36,064 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:39:36,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:39:36,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1184018407, now seen corresponding path program 1 times [2022-02-20 03:39:36,076 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:39:36,077 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942720348] [2022-02-20 03:39:36,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:39:36,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:39:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:39:46,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 344 proven. 686 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:39:46,486 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:39:46,486 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942720348] [2022-02-20 03:39:46,486 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942720348] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:39:46,487 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873375081] [2022-02-20 03:39:46,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:39:46,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:39:46,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:39:46,493 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:39:46,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 03:39:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:39:46,601 WARN L261 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 165 conjunts are in the unsatisfiable core [2022-02-20 03:39:46,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:40:00,044 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 102 [2022-02-20 03:40:00,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 1030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:40:00,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:40:48,128 WARN L228 SmtUtils]: Spent 29.16s on a formula simplification. DAG size of input: 2329 DAG size of output: 1241 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-20 03:40:48,137 INFO L353 Elim1Store]: treesize reduction 3744, result has 43.3 percent of original size [2022-02-20 03:40:48,139 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 0 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 561 case distinctions, treesize of input 173 treesize of output 2898 [2022-02-20 03:46:15,114 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,115 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,122 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,126 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,127 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:46:15,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,130 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,132 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,133 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,135 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,138 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,138 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,139 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,140 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,142 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,144 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:46:15,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,150 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,154 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,156 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,157 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,160 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:46:15,163 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,167 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,168 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,169 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:46:15,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,170 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,173 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,174 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:46:15,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,178 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,184 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:46:15,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,192 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:46:15,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,197 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:46:15,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:46:15,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:46:15,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,259 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:46:15,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:46:15,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:46:15,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:46:15,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 03:46:15,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:46:15,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 03:46:15,280 INFO L244 Elim1Store]: Index analysis took 166 ms [2022-02-20 03:46:15,282 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 136 disjoint index pairs (out of 561 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 7 [2022-02-20 03:46:15,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 1030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:46:15,528 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873375081] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:46:15,528 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:46:15,528 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [82, 78, 78] total 232 [2022-02-20 03:46:15,530 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91362647] [2022-02-20 03:46:15,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:46:15,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 233 states [2022-02-20 03:46:15,546 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:46:15,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 233 interpolants. [2022-02-20 03:46:15,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2514, Invalid=51542, Unknown=0, NotChecked=0, Total=54056 [2022-02-20 03:46:15,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:46:15,593 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:46:15,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 233 states, 233 states have (on average 1.96137339055794) internal successors, (457), 232 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:46:15,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:46:56,588 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 625 transitions and produced 467 states. [2022-02-20 03:46:56,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-02-20 03:46:56,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-20 03:46:56,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-20 03:46:56,791 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:46:56,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:46:56,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1168004437, now seen corresponding path program 1 times [2022-02-20 03:46:56,792 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:46:56,792 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688133551] [2022-02-20 03:46:56,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:46:56,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:46:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:46:57,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 862 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:46:57,258 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:46:57,258 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688133551] [2022-02-20 03:46:57,259 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688133551] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:46:57,259 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319072339] [2022-02-20 03:46:57,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:46:57,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:46:57,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:46:57,264 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:46:57,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 03:46:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:46:57,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 32 conjunts are in the unsatisfiable core [2022-02-20 03:46:57,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:46:57,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 925 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:46:57,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:46:58,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 925 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:46:58,201 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319072339] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:46:58,201 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:46:58,201 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 31] total 55 [2022-02-20 03:46:58,201 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63737502] [2022-02-20 03:46:58,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:46:58,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-02-20 03:46:58,203 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:46:58,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-02-20 03:46:58,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=958, Invalid=2122, Unknown=0, NotChecked=0, Total=3080 [2022-02-20 03:46:58,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:46:58,205 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:46:58,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 4.25) internal successors, (238), 55 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:46:58,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2022-02-20 03:46:58,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:47:00,785 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 911 transitions and produced 811 states. [2022-02-20 03:47:00,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:47:00,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-02-20 03:47:00,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 03:47:00,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:47:00,992 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:47:00,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:47:00,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1963057170, now seen corresponding path program 1 times [2022-02-20 03:47:00,992 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:47:00,993 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831822503] [2022-02-20 03:47:00,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:47:00,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:47:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:47:03,009 INFO L134 CoverageAnalysis]: Checked inductivity of 6205 backedges. 5170 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:47:03,010 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:47:03,010 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831822503] [2022-02-20 03:47:03,010 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831822503] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:47:03,010 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717342205] [2022-02-20 03:47:03,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:47:03,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:47:03,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:47:03,012 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:47:03,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 03:47:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:47:03,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 50 conjunts are in the unsatisfiable core [2022-02-20 03:47:03,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:47:03,609 INFO L134 CoverageAnalysis]: Checked inductivity of 6205 backedges. 3640 proven. 1035 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2022-02-20 03:47:03,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:47:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 6205 backedges. 3640 proven. 1035 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2022-02-20 03:47:04,257 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717342205] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:47:04,257 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:47:04,257 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 49, 49] total 78 [2022-02-20 03:47:04,257 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380003973] [2022-02-20 03:47:04,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:47:04,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-02-20 03:47:04,258 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:47:04,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-02-20 03:47:04,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1781, Invalid=4381, Unknown=0, NotChecked=0, Total=6162 [2022-02-20 03:47:04,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:47:04,261 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:47:04,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 4.151898734177215) internal successors, (328), 78 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:47:04,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:47:04,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2022-02-20 03:47:04,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:47:06,327 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 32134 transitions and produced 15175 states. [2022-02-20 03:47:06,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:47:06,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:47:06,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:47:06,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 03:47:06,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:47:06,544 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:47:06,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:47:06,544 INFO L85 PathProgramCache]: Analyzing trace with hash 124786765, now seen corresponding path program 2 times [2022-02-20 03:47:06,544 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:47:06,545 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112268418] [2022-02-20 03:47:06,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:47:06,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:47:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:47:08,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6795 backedges. 5170 proven. 1625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:47:08,921 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:47:08,921 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112268418] [2022-02-20 03:47:08,921 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112268418] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:47:08,921 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1370322192] [2022-02-20 03:47:08,921 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 03:47:08,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:47:08,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:47:08,923 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:47:08,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 03:47:09,018 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 03:47:09,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:47:09,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 62 conjunts are in the unsatisfiable core [2022-02-20 03:47:09,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:47:09,630 INFO L134 CoverageAnalysis]: Checked inductivity of 6795 backedges. 4228 proven. 1625 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2022-02-20 03:47:09,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:47:10,229 INFO L134 CoverageAnalysis]: Checked inductivity of 6795 backedges. 4228 proven. 1625 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2022-02-20 03:47:10,229 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1370322192] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:47:10,229 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:47:10,229 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 61, 61] total 84 [2022-02-20 03:47:10,229 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983925637] [2022-02-20 03:47:10,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:47:10,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2022-02-20 03:47:10,230 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:47:10,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2022-02-20 03:47:10,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1958, Invalid=5182, Unknown=0, NotChecked=0, Total=7140 [2022-02-20 03:47:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:47:10,232 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:47:10,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 4.152941176470589) internal successors, (353), 84 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:47:10,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:47:10,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:47:10,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:47:10,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:47:11,814 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1076 transitions and produced 957 states. [2022-02-20 03:47:11,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:47:11,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:47:11,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:47:11,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:47:11,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 03:47:12,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:47:12,032 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:47:12,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:47:12,032 INFO L85 PathProgramCache]: Analyzing trace with hash 2008063535, now seen corresponding path program 3 times [2022-02-20 03:47:12,032 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:47:12,032 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887809447] [2022-02-20 03:47:12,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:47:12,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:47:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:47:14,652 INFO L134 CoverageAnalysis]: Checked inductivity of 7551 backedges. 5170 proven. 2381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:47:14,653 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:47:14,653 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887809447] [2022-02-20 03:47:14,653 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887809447] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:47:14,653 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796506887] [2022-02-20 03:47:14,653 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 03:47:14,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:47:14,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:47:14,655 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:47:14,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 03:47:14,903 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 50 check-sat command(s) [2022-02-20 03:47:14,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:47:14,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 90 conjunts are in the unsatisfiable core [2022-02-20 03:47:14,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:47:15,558 INFO L134 CoverageAnalysis]: Checked inductivity of 7551 backedges. 5170 proven. 2381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:47:15,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:47:17,457 INFO L134 CoverageAnalysis]: Checked inductivity of 7551 backedges. 5170 proven. 2381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:47:17,458 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796506887] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:47:17,458 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:47:17,458 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90, 89, 89] total 122 [2022-02-20 03:47:17,458 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490906249] [2022-02-20 03:47:17,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:47:17,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 123 states [2022-02-20 03:47:17,459 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:47:17,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2022-02-20 03:47:17,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3899, Invalid=11107, Unknown=0, NotChecked=0, Total=15006 [2022-02-20 03:47:17,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:47:17,466 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:47:17,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 123 states, 123 states have (on average 4.2439024390243905) internal successors, (522), 122 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:47:17,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:47:17,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:47:17,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:47:17,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:47:17,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:47:21,263 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1384 transitions and produced 1177 states. [2022-02-20 03:47:21,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:47:21,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:47:21,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:47:21,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:47:21,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:47:21,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-20 03:47:21,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:47:21,476 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:47:21,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:47:21,476 INFO L85 PathProgramCache]: Analyzing trace with hash -300198463, now seen corresponding path program 4 times [2022-02-20 03:47:21,476 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:47:21,476 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112165641] [2022-02-20 03:47:21,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:47:21,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:47:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:47:25,189 INFO L134 CoverageAnalysis]: Checked inductivity of 11555 backedges. 5996 proven. 5559 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:47:25,190 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:47:25,190 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112165641] [2022-02-20 03:47:25,190 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112165641] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:47:25,190 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101993011] [2022-02-20 03:47:25,190 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-20 03:47:25,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:47:25,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:47:25,192 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:47:25,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 03:47:25,322 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-20 03:47:25,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:47:25,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 112 conjunts are in the unsatisfiable core [2022-02-20 03:47:25,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:47:26,151 INFO L134 CoverageAnalysis]: Checked inductivity of 11555 backedges. 6161 proven. 5394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:47:26,151 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:47:27,410 INFO L134 CoverageAnalysis]: Checked inductivity of 11555 backedges. 6161 proven. 5394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:47:27,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101993011] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:47:27,411 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:47:27,411 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [112, 111, 111] total 120 [2022-02-20 03:47:27,412 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146317444] [2022-02-20 03:47:27,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:47:27,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2022-02-20 03:47:27,413 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:47:27,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2022-02-20 03:47:27,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3670, Invalid=10850, Unknown=0, NotChecked=0, Total=14520 [2022-02-20 03:47:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:47:27,416 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:47:27,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 4.24793388429752) internal successors, (514), 120 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:47:27,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:47:27,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:47:27,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:47:27,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:47:27,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:47:27,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:47:34,550 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1607 transitions and produced 1354 states. [2022-02-20 03:47:34,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:47:34,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:47:34,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:47:34,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:47:34,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:47:34,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-02-20 03:47:34,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-20 03:47:34,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:47:34,752 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:47:34,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:47:34,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1994944150, now seen corresponding path program 2 times [2022-02-20 03:47:34,752 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:47:34,752 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108060332] [2022-02-20 03:47:34,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:47:34,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:47:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:47:39,899 INFO L134 CoverageAnalysis]: Checked inductivity of 17045 backedges. 10604 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:47:39,900 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:47:39,900 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108060332] [2022-02-20 03:47:39,900 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108060332] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:47:39,900 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194939535] [2022-02-20 03:47:39,900 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 03:47:39,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:47:39,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:47:39,904 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:47:39,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-20 03:47:40,035 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 03:47:40,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:47:40,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 118 conjunts are in the unsatisfiable core [2022-02-20 03:47:40,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:47:40,959 INFO L134 CoverageAnalysis]: Checked inductivity of 17045 backedges. 10106 proven. 6441 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-02-20 03:47:40,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:47:42,033 INFO L134 CoverageAnalysis]: Checked inductivity of 17045 backedges. 10106 proven. 6441 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-02-20 03:47:42,034 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194939535] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:47:42,034 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:47:42,034 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [134, 117, 117] total 134 [2022-02-20 03:47:42,034 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828594993] [2022-02-20 03:47:42,034 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:47:42,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2022-02-20 03:47:42,035 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:47:42,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2022-02-20 03:47:42,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4679, Invalid=13411, Unknown=0, NotChecked=0, Total=18090 [2022-02-20 03:47:42,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:47:42,038 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:47:42,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 4.088888888888889) internal successors, (552), 134 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:47:42,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:47:42,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:47:42,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:47:42,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:47:42,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:47:42,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-02-20 03:47:42,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:47:47,748 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 45010 transitions and produced 21686 states. [2022-02-20 03:47:47,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:47:47,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:47:47,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:47:47,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:47:47,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:47:47,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-02-20 03:47:47,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-02-20 03:47:47,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-20 03:47:47,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-02-20 03:47:47,950 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:47:47,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:47:47,950 INFO L85 PathProgramCache]: Analyzing trace with hash 527676469, now seen corresponding path program 5 times [2022-02-20 03:47:47,950 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:47:47,950 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432167346] [2022-02-20 03:47:47,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:47:47,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:47:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:47:53,541 INFO L134 CoverageAnalysis]: Checked inductivity of 18417 backedges. 10604 proven. 7813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:47:53,542 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:47:53,542 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432167346] [2022-02-20 03:47:53,542 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432167346] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:47:53,542 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83286956] [2022-02-20 03:47:53,542 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-20 03:47:53,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:47:53,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:47:53,544 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:47:53,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-20 03:47:53,790 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 72 check-sat command(s) [2022-02-20 03:47:53,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:47:53,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 140 conjunts are in the unsatisfiable core [2022-02-20 03:47:53,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:47:54,820 INFO L134 CoverageAnalysis]: Checked inductivity of 18417 backedges. 10604 proven. 7813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:47:54,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:47:56,974 INFO L134 CoverageAnalysis]: Checked inductivity of 18417 backedges. 10604 proven. 7813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:47:56,975 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83286956] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:47:56,975 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:47:56,975 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [140, 139, 139] total 160 [2022-02-20 03:47:56,976 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375680286] [2022-02-20 03:47:56,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:47:56,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2022-02-20 03:47:56,977 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:47:56,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2022-02-20 03:47:56,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6580, Invalid=19180, Unknown=0, NotChecked=0, Total=25760 [2022-02-20 03:47:56,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:47:56,981 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:47:56,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 4.198757763975156) internal successors, (676), 160 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:47:56,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:47:56,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:47:56,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:47:56,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:47:56,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:47:56,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-02-20 03:47:56,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-02-20 03:47:56,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:48:04,544 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1912 transitions and produced 1600 states. [2022-02-20 03:48:04,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:48:04,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:48:04,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:48:04,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:48:04,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:48:04,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-02-20 03:48:04,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-02-20 03:48:04,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-20 03:48:04,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-20 03:48:04,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:48:04,746 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:48:04,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:48:04,746 INFO L85 PathProgramCache]: Analyzing trace with hash -964834331, now seen corresponding path program 6 times [2022-02-20 03:48:04,746 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:48:04,746 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761639158] [2022-02-20 03:48:04,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:48:04,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:48:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:48:11,750 INFO L134 CoverageAnalysis]: Checked inductivity of 22929 backedges. 11782 proven. 11147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:48:11,750 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:48:11,750 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761639158] [2022-02-20 03:48:11,750 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761639158] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:48:11,751 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340013487] [2022-02-20 03:48:11,751 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-20 03:48:11,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:48:11,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:48:11,760 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:48:11,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-20 03:48:12,182 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 79 check-sat command(s) [2022-02-20 03:48:12,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:48:12,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 156 conjunts are in the unsatisfiable core [2022-02-20 03:48:12,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:48:13,385 INFO L134 CoverageAnalysis]: Checked inductivity of 22929 backedges. 12013 proven. 10916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:48:13,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:48:15,184 INFO L134 CoverageAnalysis]: Checked inductivity of 22929 backedges. 12013 proven. 10916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:48:15,185 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340013487] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:48:15,185 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:48:15,185 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [156, 155, 155] total 164 [2022-02-20 03:48:15,186 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639133156] [2022-02-20 03:48:15,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:48:15,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 165 states [2022-02-20 03:48:15,187 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:48:15,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2022-02-20 03:48:15,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6816, Invalid=20244, Unknown=0, NotChecked=0, Total=27060 [2022-02-20 03:48:15,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:48:15,192 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:48:15,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 165 states have (on average 4.181818181818182) internal successors, (690), 164 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:48:15,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:48:15,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:48:15,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:48:15,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:48:15,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:48:15,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-02-20 03:48:15,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-02-20 03:48:15,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-20 03:48:15,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:48:27,945 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2135 transitions and produced 1777 states. [2022-02-20 03:48:27,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:48:27,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:48:27,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:48:27,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:48:27,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:48:27,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-02-20 03:48:27,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-02-20 03:48:27,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-20 03:48:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2022-02-20 03:48:27,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-20 03:48:28,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-20 03:48:28,147 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:48:28,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:48:28,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1699080490, now seen corresponding path program 3 times [2022-02-20 03:48:28,147 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:48:28,147 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958774990] [2022-02-20 03:48:28,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:48:28,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:48:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:48:37,023 INFO L134 CoverageAnalysis]: Checked inductivity of 30377 backedges. 17974 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:48:37,024 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:48:37,024 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958774990] [2022-02-20 03:48:37,024 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958774990] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:48:37,024 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889020622] [2022-02-20 03:48:37,024 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 03:48:37,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:48:37,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:48:37,028 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:48:37,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-20 03:48:37,935 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 94 check-sat command(s) [2022-02-20 03:48:37,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:48:37,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 1094 conjuncts, 178 conjunts are in the unsatisfiable core [2022-02-20 03:48:37,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:48:39,278 INFO L134 CoverageAnalysis]: Checked inductivity of 30377 backedges. 17974 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:48:39,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:48:42,884 INFO L134 CoverageAnalysis]: Checked inductivity of 30377 backedges. 17974 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:48:42,885 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889020622] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:48:42,885 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:48:42,885 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [178, 177, 177] total 210 [2022-02-20 03:48:42,885 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423342001] [2022-02-20 03:48:42,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:48:42,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 211 states [2022-02-20 03:48:42,887 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:48:42,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 211 interpolants. [2022-02-20 03:48:42,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11291, Invalid=33019, Unknown=0, NotChecked=0, Total=44310 [2022-02-20 03:48:42,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:48:42,892 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:48:42,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 211 states, 211 states have (on average 4.123222748815166) internal successors, (870), 210 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:48:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:48:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:48:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:48:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:48:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:48:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-02-20 03:48:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-02-20 03:48:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-20 03:48:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2022-02-20 03:48:42,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:48:57,426 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 62176 transitions and produced 29595 states. [2022-02-20 03:48:57,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:48:57,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:48:57,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:48:57,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:48:57,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:48:57,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-02-20 03:48:57,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-02-20 03:48:57,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-20 03:48:57,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2022-02-20 03:48:57,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2022-02-20 03:48:57,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-20 03:48:57,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-20 03:48:57,631 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:48:57,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:48:57,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1486006793, now seen corresponding path program 7 times [2022-02-20 03:48:57,632 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:48:57,632 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151536968] [2022-02-20 03:48:57,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:48:57,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:48:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:49:08,907 INFO L134 CoverageAnalysis]: Checked inductivity of 38175 backedges. 19504 proven. 18671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:49:08,907 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:49:08,907 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151536968] [2022-02-20 03:49:08,907 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151536968] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:49:08,907 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807063245] [2022-02-20 03:49:08,907 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-20 03:49:08,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:49:08,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:49:08,909 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:49:08,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-20 03:49:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:49:09,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 1228 conjuncts, 200 conjunts are in the unsatisfiable core [2022-02-20 03:49:09,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:49:10,582 INFO L134 CoverageAnalysis]: Checked inductivity of 38175 backedges. 19801 proven. 18374 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:49:10,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:49:12,876 INFO L134 CoverageAnalysis]: Checked inductivity of 38175 backedges. 19801 proven. 18374 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:49:12,876 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807063245] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:49:12,876 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:49:12,877 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [200, 199, 199] total 208 [2022-02-20 03:49:12,877 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975841427] [2022-02-20 03:49:12,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:49:12,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 209 states [2022-02-20 03:49:12,878 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:49:12,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 209 interpolants. [2022-02-20 03:49:12,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10930, Invalid=32542, Unknown=0, NotChecked=0, Total=43472 [2022-02-20 03:49:12,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:49:12,882 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:49:12,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 209 states, 209 states have (on average 4.143540669856459) internal successors, (866), 208 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:49:12,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:49:12,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:49:12,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:49:12,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:49:12,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:49:12,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-02-20 03:49:12,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-02-20 03:49:12,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-20 03:49:12,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2022-02-20 03:49:12,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2022-02-20 03:49:12,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:49:33,371 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2663 transitions and produced 2200 states. [2022-02-20 03:49:33,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:49:33,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:49:33,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:49:33,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:49:33,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:49:33,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-02-20 03:49:33,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-02-20 03:49:33,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-20 03:49:33,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2022-02-20 03:49:33,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2022-02-20 03:49:33,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2022-02-20 03:49:33,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-20 03:49:33,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-20 03:49:33,573 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:49:33,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:49:33,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1039938326, now seen corresponding path program 4 times [2022-02-20 03:49:33,574 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:49:33,574 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985942054] [2022-02-20 03:49:33,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:49:33,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:49:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:49:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 47581 backedges. 27280 proven. 20301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:49:47,207 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:49:47,207 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985942054] [2022-02-20 03:49:47,207 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985942054] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:49:47,207 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887755513] [2022-02-20 03:49:47,208 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-20 03:49:47,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:49:47,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:49:47,209 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:49:47,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-20 03:49:47,446 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-20 03:49:47,446 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:49:47,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 1358 conjuncts, 206 conjunts are in the unsatisfiable core [2022-02-20 03:49:47,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:49:49,103 INFO L134 CoverageAnalysis]: Checked inductivity of 47581 backedges. 26782 proven. 20301 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-02-20 03:49:49,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:49:50,871 INFO L134 CoverageAnalysis]: Checked inductivity of 47581 backedges. 26782 proven. 20301 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-02-20 03:49:50,871 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887755513] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:49:50,872 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:49:50,872 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [222, 205, 205] total 222 [2022-02-20 03:49:50,872 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825214492] [2022-02-20 03:49:50,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:49:50,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 223 states [2022-02-20 03:49:50,874 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:49:50,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2022-02-20 03:49:50,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12599, Invalid=36907, Unknown=0, NotChecked=0, Total=49506 [2022-02-20 03:49:50,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:49:50,879 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:49:50,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 223 states, 223 states have (on average 4.053811659192825) internal successors, (904), 222 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:49:50,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:49:50,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:49:50,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:49:50,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:49:50,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:49:50,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-02-20 03:49:50,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-02-20 03:49:50,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-20 03:49:50,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2022-02-20 03:49:50,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2022-02-20 03:49:50,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2022-02-20 03:49:50,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:50:08,407 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 78936 transitions and produced 37202 states. [2022-02-20 03:50:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:50:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:50:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:50:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:50:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:50:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-02-20 03:50:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-02-20 03:50:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-20 03:50:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2022-02-20 03:50:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2022-02-20 03:50:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2022-02-20 03:50:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 310 states. [2022-02-20 03:50:08,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-02-20 03:50:08,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-20 03:50:08,609 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:50:08,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:50:08,609 INFO L85 PathProgramCache]: Analyzing trace with hash -552200067, now seen corresponding path program 8 times [2022-02-20 03:50:08,609 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:50:08,609 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275569053] [2022-02-20 03:50:08,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:50:08,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:50:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:50:23,181 INFO L134 CoverageAnalysis]: Checked inductivity of 49965 backedges. 27280 proven. 22685 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:50:23,181 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:50:23,181 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275569053] [2022-02-20 03:50:23,181 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275569053] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:50:23,181 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865973946] [2022-02-20 03:50:23,181 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 03:50:23,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:50:23,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:50:23,188 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:50:23,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-20 03:50:23,420 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 03:50:23,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:50:23,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 1396 conjuncts, 218 conjunts are in the unsatisfiable core [2022-02-20 03:50:23,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:50:25,114 INFO L134 CoverageAnalysis]: Checked inductivity of 49965 backedges. 27081 proven. 22685 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-02-20 03:50:25,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:50:26,879 INFO L134 CoverageAnalysis]: Checked inductivity of 49965 backedges. 27081 proven. 22685 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-02-20 03:50:26,880 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865973946] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:50:26,880 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:50:26,880 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [228, 217, 217] total 228 [2022-02-20 03:50:26,880 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299458805] [2022-02-20 03:50:26,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:50:26,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 229 states [2022-02-20 03:50:26,881 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:50:26,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 229 interpolants. [2022-02-20 03:50:26,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13244, Invalid=38968, Unknown=0, NotChecked=0, Total=52212 [2022-02-20 03:50:26,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:50:26,885 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:50:26,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 229 states, 229 states have (on average 4.056768558951965) internal successors, (929), 228 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:50:26,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:50:26,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:50:26,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:50:26,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:50:26,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:50:26,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-02-20 03:50:26,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-02-20 03:50:26,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-20 03:50:26,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2022-02-20 03:50:26,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2022-02-20 03:50:26,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2022-02-20 03:50:26,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 310 states. [2022-02-20 03:50:26,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:50:43,588 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2828 transitions and produced 2346 states. [2022-02-20 03:50:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:50:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:50:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:50:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:50:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:50:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-02-20 03:50:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-02-20 03:50:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-20 03:50:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2022-02-20 03:50:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2022-02-20 03:50:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2022-02-20 03:50:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 310 states. [2022-02-20 03:50:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 328 states. [2022-02-20 03:50:43,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-20 03:50:43,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:50:43,790 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:50:43,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:50:43,791 INFO L85 PathProgramCache]: Analyzing trace with hash -2135552417, now seen corresponding path program 9 times [2022-02-20 03:50:43,791 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:50:43,791 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614377636] [2022-02-20 03:50:43,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:50:43,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:50:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:50:58,829 INFO L134 CoverageAnalysis]: Checked inductivity of 52593 backedges. 27280 proven. 25313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:50:58,829 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:50:58,829 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614377636] [2022-02-20 03:50:58,829 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614377636] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:50:58,829 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129516510] [2022-02-20 03:50:58,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 03:50:58,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:50:58,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:50:58,830 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:50:58,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-20 03:51:00,378 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 116 check-sat command(s) [2022-02-20 03:51:00,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:51:00,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 1432 conjuncts, 234 conjunts are in the unsatisfiable core [2022-02-20 03:51:00,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:51:02,127 INFO L134 CoverageAnalysis]: Checked inductivity of 52593 backedges. 27280 proven. 25313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:51:02,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:51:04,782 INFO L134 CoverageAnalysis]: Checked inductivity of 52593 backedges. 27280 proven. 25313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:51:04,783 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129516510] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:51:04,783 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:51:04,783 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [234, 233, 233] total 242 [2022-02-20 03:51:04,783 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101600901] [2022-02-20 03:51:04,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:51:04,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 243 states [2022-02-20 03:51:04,785 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:51:04,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 243 interpolants. [2022-02-20 03:51:04,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14885, Invalid=43921, Unknown=0, NotChecked=0, Total=58806 [2022-02-20 03:51:04,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:51:04,789 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:51:04,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 243 states, 243 states have (on average 4.106995884773663) internal successors, (998), 242 states have internal predecessors, (998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:51:04,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:51:04,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:51:04,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:51:04,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:51:04,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:51:04,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-02-20 03:51:04,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-02-20 03:51:04,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-20 03:51:04,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2022-02-20 03:51:04,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2022-02-20 03:51:04,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2022-02-20 03:51:04,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 310 states. [2022-02-20 03:51:04,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 328 states. [2022-02-20 03:51:04,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:51:25,672 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2968 transitions and produced 2446 states. [2022-02-20 03:51:25,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:51:25,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:51:25,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:51:25,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:51:25,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:51:25,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-02-20 03:51:25,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-02-20 03:51:25,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-20 03:51:25,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2022-02-20 03:51:25,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2022-02-20 03:51:25,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2022-02-20 03:51:25,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 310 states. [2022-02-20 03:51:25,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 328 states. [2022-02-20 03:51:25,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 358 states. [2022-02-20 03:51:25,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-20 03:51:25,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:51:25,880 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 03:51:25,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 03:51:25,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1063907373, now seen corresponding path program 10 times [2022-02-20 03:51:25,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 03:51:25,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790533027] [2022-02-20 03:51:25,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 03:51:25,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 03:51:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 03:51:42,012 INFO L134 CoverageAnalysis]: Checked inductivity of 57293 backedges. 29162 proven. 28131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:51:42,012 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 03:51:42,012 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790533027] [2022-02-20 03:51:42,012 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790533027] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 03:51:42,012 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306120002] [2022-02-20 03:51:42,012 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-20 03:51:42,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 03:51:42,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 03:51:42,014 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 03:51:42,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-20 03:51:42,224 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-20 03:51:42,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 03:51:42,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 1492 conjuncts, 244 conjunts are in the unsatisfiable core [2022-02-20 03:51:42,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 03:51:44,052 INFO L134 CoverageAnalysis]: Checked inductivity of 57293 backedges. 29525 proven. 27768 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:51:44,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 03:51:46,701 INFO L134 CoverageAnalysis]: Checked inductivity of 57293 backedges. 29525 proven. 27768 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 03:51:46,702 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306120002] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 03:51:46,702 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 03:51:46,702 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [244, 243, 243] total 252 [2022-02-20 03:51:46,702 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072791420] [2022-02-20 03:51:46,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 03:51:46,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 253 states [2022-02-20 03:51:46,704 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 03:51:46,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 253 interpolants. [2022-02-20 03:51:46,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16012, Invalid=47744, Unknown=0, NotChecked=0, Total=63756 [2022-02-20 03:51:46,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 03:51:46,711 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 03:51:46,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 253 states, 253 states have (on average 4.118577075098814) internal successors, (1042), 252 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 03:51:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-20 03:51:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-20 03:51:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-20 03:51:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-20 03:51:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-20 03:51:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-02-20 03:51:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-02-20 03:51:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-20 03:51:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2022-02-20 03:51:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2022-02-20 03:51:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2022-02-20 03:51:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 310 states. [2022-02-20 03:51:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 328 states. [2022-02-20 03:51:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 358 states. [2022-02-20 03:51:46,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-20 03:52:03,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-02-20 03:52:03,685 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 03:52:03,685 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 03:52:03,685 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-20 03:52:03,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-20 03:52:03,841 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 426 known predicates. [2022-02-20 03:52:03,842 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-20 03:52:03,843 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-20 03:52:03,843 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-20 03:52:03,847 INFO L732 BasicCegarLoop]: Path program histogram: [10, 4, 1] [2022-02-20 03:52:03,849 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-20 03:52:03,849 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 03:52:03,851 INFO L202 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 03:52:03 BasicIcfg [2022-02-20 03:52:03,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 03:52:03,852 INFO L158 Benchmark]: Toolchain (without parser) took 748668.39ms. Allocated memory was 181.4MB in the beginning and 1.2GB in the end (delta: 969.9MB). Free memory was 138.6MB in the beginning and 581.6MB in the end (delta: -443.0MB). Peak memory consumption was 526.0MB. Max. memory is 8.0GB. [2022-02-20 03:52:03,852 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 181.4MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 03:52:03,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.35ms. Allocated memory is still 181.4MB. Free memory was 138.6MB in the beginning and 137.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 03:52:03,852 INFO L158 Benchmark]: Boogie Preprocessor took 18.92ms. Allocated memory is still 181.4MB. Free memory was 137.1MB in the beginning and 136.1MB in the end (delta: 945.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-20 03:52:03,853 INFO L158 Benchmark]: RCFGBuilder took 259.32ms. Allocated memory is still 181.4MB. Free memory was 136.1MB in the beginning and 127.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-02-20 03:52:03,853 INFO L158 Benchmark]: TraceAbstraction took 748361.91ms. Allocated memory was 181.4MB in the beginning and 1.2GB in the end (delta: 969.9MB). Free memory was 126.7MB in the beginning and 581.6MB in the end (delta: -454.9MB). Peak memory consumption was 514.5MB. Max. memory is 8.0GB. [2022-02-20 03:52:03,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 181.4MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.35ms. Allocated memory is still 181.4MB. Free memory was 138.6MB in the beginning and 137.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.92ms. Allocated memory is still 181.4MB. Free memory was 137.1MB in the beginning and 136.1MB in the end (delta: 945.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 259.32ms. Allocated memory is still 181.4MB. Free memory was 136.1MB in the beginning and 127.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 748361.91ms. Allocated memory was 181.4MB in the beginning and 1.2GB in the end (delta: 969.9MB). Free memory was 126.7MB in the beginning and 581.6MB in the end (delta: -454.9MB). Peak memory consumption was 514.5MB. 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: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 426 known predicates. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 426 known predicates. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 426 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 48 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 748.2s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 191.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2916, 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: 0.4s SsaConstructionTime, 7.6s SatisfiabilityAnalysisTime, 544.6s InterpolantComputationTime, 17522 NumberOfCodeBlocks, 17522 NumberOfCodeBlocksAsserted, 439 NumberOfCheckSat, 26238 ConstructedInterpolants, 0 QuantifiedInterpolants, 180389 SizeOfPredicates, 57 NumberOfNonLiveVariables, 13424 ConjunctsInSsa, 2205 ConjunctsInUnsatCore, 45 InterpolantComputations, 0 PerfectInterpolantSequences, 614096/1105770 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