/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 05:04:12,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 05:04:12,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 05:04:12,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 05:04:12,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 05:04:12,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 05:04:12,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 05:04:12,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 05:04:12,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 05:04:12,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 05:04:12,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 05:04:12,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 05:04:12,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 05:04:12,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 05:04:12,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 05:04:12,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 05:04:12,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 05:04:12,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 05:04:12,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 05:04:12,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 05:04:12,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 05:04:12,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 05:04:12,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 05:04:12,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 05:04:12,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 05:04:12,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 05:04:12,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 05:04:12,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 05:04:12,893 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-02 05:04:12,920 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 05:04:12,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 05:04:12,921 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 05:04:12,921 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 05:04:12,922 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 05:04:12,922 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 05:04:12,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 05:04:12,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 05:04:12,923 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 05:04:12,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 05:04:12,924 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 05:04:12,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 05:04:12,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 05:04:12,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 05:04:12,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 05:04:12,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 05:04:12,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 05:04:12,925 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 05:04:12,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 05:04:12,925 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 05:04:12,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 05:04:12,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 05:04:12,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 05:04:12,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 05:04:12,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 05:04:12,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 05:04:12,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 05:04:12,927 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 05:04:12,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 05:04:12,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 05:04:12,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 05:04:12,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 05:04:12,928 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 05:04:12,928 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 05:04:12,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 05:04:12,928 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-02 05:04:12,928 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-02 05:04:12,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 05:04:13,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 05:04:13,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 05:04:13,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 05:04:13,224 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 05:04:13,225 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 05:04:13,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl [2022-03-02 05:04:13,226 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array-hom.wvr.bpl' [2022-03-02 05:04:13,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 05:04:13,248 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 05:04:13,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 05:04:13,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 05:04:13,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 05:04:13,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:13" (1/1) ... [2022-03-02 05:04:13,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:13" (1/1) ... [2022-03-02 05:04:13,272 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 05:04:13,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 05:04:13,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 05:04:13,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 05:04:13,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 05:04:13,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:13" (1/1) ... [2022-03-02 05:04:13,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:13" (1/1) ... [2022-03-02 05:04:13,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:13" (1/1) ... [2022-03-02 05:04:13,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:13" (1/1) ... [2022-03-02 05:04:13,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:13" (1/1) ... [2022-03-02 05:04:13,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:13" (1/1) ... [2022-03-02 05:04:13,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:13" (1/1) ... [2022-03-02 05:04:13,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 05:04:13,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 05:04:13,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 05:04:13,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 05:04:13,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:13" (1/1) ... [2022-03-02 05:04:13,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 05:04:13,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:04:13,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-02 05:04:13,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-02 05:04:13,367 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 05:04:13,367 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 05:04:13,368 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 05:04:13,368 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 05:04:13,368 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 05:04:13,368 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 05:04:13,369 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 05:04:13,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 05:04:13,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 05:04:13,370 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 05:04:13,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 05:04:13,371 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 05:04:13,372 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 05:04:13,421 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 05:04:13,425 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 05:04:13,538 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 05:04:13,551 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 05:04:13,552 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 05:04:13,554 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 05:04:13 BoogieIcfgContainer [2022-03-02 05:04:13,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 05:04:13,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 05:04:13,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 05:04:13,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 05:04:13,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 05:04:13" (1/2) ... [2022-03-02 05:04:13,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71806c25 and model type sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 05:04:13, skipping insertion in model container [2022-03-02 05:04:13,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 05:04:13" (2/2) ... [2022-03-02 05:04:13,561 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array-hom.wvr.bpl [2022-03-02 05:04:13,565 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 05:04:13,565 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 05:04:13,565 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 05:04:13,566 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 05:04:13,608 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-02 05:04:13,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 05:04:13,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:04:13,664 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-02 05:04:13,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-02 05:04:13,704 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 05:04:13,714 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-02 05:04:13,714 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-02 05:04:13,857 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 590 transitions and produced 262 states. [2022-03-02 05:04:13,859 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:04:13,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:04:13,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1731617998, now seen corresponding path program 1 times [2022-03-02 05:04:13,874 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:04:13,874 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439019839] [2022-03-02 05:04:13,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:04:13,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:04:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:04:14,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-02 05:04:14,142 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:04:14,142 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439019839] [2022-03-02 05:04:14,143 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439019839] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:04:14,143 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109117175] [2022-03-02 05:04:14,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:04:14,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:04:14,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:04:14,155 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 05:04:14,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 05:04:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:04:14,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-02 05:04:14,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:04:14,517 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 05:04:14,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:04:14,722 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 05:04:14,723 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109117175] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:04:14,723 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:04:14,723 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 18 [2022-03-02 05:04:14,725 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71905397] [2022-03-02 05:04:14,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:04:14,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-02 05:04:14,732 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:04:14,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-02 05:04:14,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2022-03-02 05:04:14,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:04:14,757 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:04:14,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 18 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:04:14,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:04:15,283 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 601 transitions and produced 273 states. [2022-03-02 05:04:15,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:04:15,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 05:04:15,498 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 [2022-03-02 05:04:15,499 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:04:15,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:04:15,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1007173588, now seen corresponding path program 2 times [2022-03-02 05:04:15,500 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:04:15,500 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618645266] [2022-03-02 05:04:15,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:04:15,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:04:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:04:15,642 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:04:15,643 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:04:15,643 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618645266] [2022-03-02 05:04:15,643 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618645266] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:04:15,645 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353691988] [2022-03-02 05:04:15,645 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 05:04:15,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:04:15,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:04:15,648 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 05:04:15,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 05:04:15,719 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 05:04:15,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:04:15,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-02 05:04:15,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:04:15,941 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:04:15,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:04:16,135 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:04:16,136 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353691988] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:04:16,136 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:04:16,136 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-03-02 05:04:16,136 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663677969] [2022-03-02 05:04:16,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:04:16,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-03-02 05:04:16,137 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:04:16,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-03-02 05:04:16,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2022-03-02 05:04:16,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:04:16,138 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:04:16,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.625) internal successors, (63), 24 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:04:16,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:04:16,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:04:16,540 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 204 transitions and produced 152 states. [2022-03-02 05:04:16,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:04:16,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 05:04:16,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-03-02 05:04:16,742 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 [2022-03-02 05:04:16,743 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:04:16,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:04:16,743 INFO L85 PathProgramCache]: Analyzing trace with hash -170935286, now seen corresponding path program 3 times [2022-03-02 05:04:16,744 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:04:16,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770288368] [2022-03-02 05:04:16,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:04:16,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:04:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:04:17,360 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:04:17,360 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:04:17,360 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770288368] [2022-03-02 05:04:17,361 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770288368] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:04:17,361 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451635281] [2022-03-02 05:04:17,361 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 05:04:17,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:04:17,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:04:17,363 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 05:04:17,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 05:04:17,414 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-03-02 05:04:17,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:04:17,416 WARN L261 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 45 conjunts are in the unsatisfiable core [2022-03-02 05:04:17,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:04:18,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:18,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:18,171 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 05:04:18,172 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 43 treesize of output 87 [2022-03-02 05:04:18,408 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:04:18,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:04:19,116 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,117 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:19,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,120 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,121 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:19,179 INFO L353 Elim1Store]: treesize reduction 20, result has 78.9 percent of original size [2022-03-02 05:04:19,180 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 40 treesize of output 85 [2022-03-02 05:04:19,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,346 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,347 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,350 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:19,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,353 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:19,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:19,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:19,357 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 5 [2022-03-02 05:04:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:04:19,509 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451635281] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:04:19,509 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:04:19,509 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 16] total 38 [2022-03-02 05:04:19,510 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28838001] [2022-03-02 05:04:19,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:04:19,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-03-02 05:04:19,510 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:04:19,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-03-02 05:04:19,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1282, Unknown=0, NotChecked=0, Total=1406 [2022-03-02 05:04:19,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:04:19,512 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:04:19,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.210526315789474) internal successors, (84), 38 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:04:19,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:04:19,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 05:04:19,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:04:28,378 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 455 transitions and produced 264 states. [2022-03-02 05:04:28,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:04:28,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 05:04:28,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-02 05:04:28,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-02 05:04:28,579 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 [2022-03-02 05:04:28,594 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:04:28,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:04:28,595 INFO L85 PathProgramCache]: Analyzing trace with hash 136490182, now seen corresponding path program 4 times [2022-03-02 05:04:28,595 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:04:28,595 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319637430] [2022-03-02 05:04:28,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:04:28,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:04:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:04:29,181 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:04:29,182 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:04:29,182 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319637430] [2022-03-02 05:04:29,182 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319637430] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:04:29,182 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377617077] [2022-03-02 05:04:29,182 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 05:04:29,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:04:29,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:04:29,192 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 05:04:29,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-02 05:04:29,225 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 05:04:29,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:04:29,227 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2022-03-02 05:04:29,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:04:30,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:30,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:30,047 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:30,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:30,049 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:30,050 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 30 [2022-03-02 05:04:30,112 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:04:30,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:04:30,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:30,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:30,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:31,157 INFO L353 Elim1Store]: treesize reduction 158, result has 65.3 percent of original size [2022-03-02 05:04:31,158 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 42 case distinctions, treesize of input 50 treesize of output 313 [2022-03-02 05:04:45,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,176 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,177 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,182 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,183 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,185 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,186 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,194 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,195 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,198 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,204 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,205 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,206 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:45,250 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 05:04:45,251 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 35 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 126 [2022-03-02 05:04:45,656 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:04:45,656 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377617077] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:04:45,656 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:04:45,656 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 43 [2022-03-02 05:04:45,657 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530781675] [2022-03-02 05:04:45,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:04:45,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-03-02 05:04:45,657 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:04:45,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-03-02 05:04:45,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1666, Unknown=0, NotChecked=0, Total=1806 [2022-03-02 05:04:45,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:04:45,659 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:04:45,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.255813953488372) internal successors, (97), 43 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:04:45,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:04:45,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 05:04:45,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-02 05:04:45,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:04:55,137 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 509 transitions and produced 300 states. [2022-03-02 05:04:55,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:04:55,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 05:04:55,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-02 05:04:55,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-03-02 05:04:55,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-02 05:04:55,339 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 [2022-03-02 05:04:55,339 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:04:55,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:04:55,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1662599294, now seen corresponding path program 5 times [2022-03-02 05:04:55,340 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:04:55,340 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984182221] [2022-03-02 05:04:55,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:04:55,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:04:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:04:55,943 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:04:55,943 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:04:55,943 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984182221] [2022-03-02 05:04:55,943 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984182221] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:04:55,943 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493406507] [2022-03-02 05:04:55,944 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-02 05:04:55,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:04:55,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:04:55,946 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 05:04:55,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-02 05:04:55,981 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2022-03-02 05:04:55,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:04:55,983 WARN L261 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 57 conjunts are in the unsatisfiable core [2022-03-02 05:04:55,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:04:57,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:57,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:57,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:04:57,270 INFO L353 Elim1Store]: treesize reduction 216, result has 3.1 percent of original size [2022-03-02 05:04:57,271 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 25 case distinctions, treesize of input 219 treesize of output 106 [2022-03-02 05:04:57,314 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:04:57,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:04:58,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:58,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:58,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:58,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:58,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:58,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:58,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:58,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:58,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:58,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:58,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:58,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:58,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:58,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:58,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:04:59,062 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-02 05:04:59,063 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 51 case distinctions, treesize of input 118 treesize of output 581 [2022-03-02 05:11:36,677 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:11:36,677 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493406507] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:11:36,678 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:11:36,678 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 51 [2022-03-02 05:11:36,678 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285568555] [2022-03-02 05:11:36,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:11:36,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-03-02 05:11:36,679 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:11:36,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-03-02 05:11:36,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=2358, Unknown=0, NotChecked=0, Total=2550 [2022-03-02 05:11:36,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:11:36,680 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:11:36,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 2.1372549019607843) internal successors, (109), 51 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:11:36,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:11:36,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 05:11:36,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-02 05:11:36,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-03-02 05:11:36,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:11:44,900 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 199 transitions and produced 183 states. [2022-03-02 05:11:44,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:11:44,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 05:11:44,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-02 05:11:44,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-03-02 05:11:44,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-02 05:11:44,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-02 05:11:45,101 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 [2022-03-02 05:11:45,102 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:11:45,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:11:45,102 INFO L85 PathProgramCache]: Analyzing trace with hash 2079005886, now seen corresponding path program 6 times [2022-03-02 05:11:45,102 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:11:45,103 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980796342] [2022-03-02 05:11:45,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:11:45,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:11:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:11:45,284 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 36 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:11:45,284 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:11:45,285 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980796342] [2022-03-02 05:11:45,285 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980796342] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:11:45,285 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4578989] [2022-03-02 05:11:45,285 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-02 05:11:45,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:11:45,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:11:45,287 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 05:11:45,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-02 05:11:45,322 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2022-03-02 05:11:45,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:11:45,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-02 05:11:45,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:11:45,650 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 49 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:11:45,650 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:11:46,051 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 49 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:11:46,051 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4578989] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:11:46,051 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:11:46,052 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 48 [2022-03-02 05:11:46,052 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562340280] [2022-03-02 05:11:46,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:11:46,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-03-02 05:11:46,052 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:11:46,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-03-02 05:11:46,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=1850, Unknown=0, NotChecked=0, Total=2256 [2022-03-02 05:11:46,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:11:46,055 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:11:46,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.375) internal successors, (114), 48 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:11:46,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:11:46,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 05:11:46,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-02 05:11:46,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-03-02 05:11:46,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-02 05:11:46,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:11:47,491 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 247 transitions and produced 232 states. [2022-03-02 05:11:47,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:11:47,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 05:11:47,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-02 05:11:47,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-03-02 05:11:47,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-02 05:11:47,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-02 05:11:47,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-02 05:11:47,692 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 [2022-03-02 05:11:47,693 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:11:47,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:11:47,693 INFO L85 PathProgramCache]: Analyzing trace with hash -713231340, now seen corresponding path program 7 times [2022-03-02 05:11:47,693 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:11:47,693 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434215860] [2022-03-02 05:11:47,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:11:47,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:11:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:11:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 68 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:11:47,920 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:11:47,920 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434215860] [2022-03-02 05:11:47,920 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434215860] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:11:47,920 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552586887] [2022-03-02 05:11:47,920 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-02 05:11:47,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:11:47,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:11:47,922 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 05:11:47,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-02 05:11:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:11:47,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 19 conjunts are in the unsatisfiable core [2022-03-02 05:11:47,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:11:48,337 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 79 proven. 64 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-02 05:11:48,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:11:48,649 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 79 proven. 64 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-02 05:11:48,649 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552586887] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:11:48,649 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:11:48,649 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20, 20] total 50 [2022-03-02 05:11:48,649 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804287828] [2022-03-02 05:11:48,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:11:48,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-03-02 05:11:48,650 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:11:48,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-03-02 05:11:48,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=2053, Unknown=0, NotChecked=0, Total=2450 [2022-03-02 05:11:48,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:11:48,652 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:11:48,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.44) internal successors, (122), 50 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:11:48,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:11:48,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 05:11:48,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-02 05:11:48,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-03-02 05:11:48,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-02 05:11:48,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-03-02 05:11:48,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:11:52,796 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2333 transitions and produced 950 states. [2022-03-02 05:11:52,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:11:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 05:11:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-02 05:11:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-03-02 05:11:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-02 05:11:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-03-02 05:11:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 05:11:52,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-02 05:11:52,998 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 [2022-03-02 05:11:52,998 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:11:52,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:11:52,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1346980366, now seen corresponding path program 8 times [2022-03-02 05:11:52,999 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:11:52,999 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841931796] [2022-03-02 05:11:52,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:11:52,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:11:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:11:53,273 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 68 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:11:53,274 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:11:53,274 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841931796] [2022-03-02 05:11:53,274 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841931796] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:11:53,274 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754088068] [2022-03-02 05:11:53,274 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 05:11:53,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:11:53,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:11:53,277 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 05:11:53,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-02 05:11:53,317 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 05:11:53,317 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:11:53,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 21 conjunts are in the unsatisfiable core [2022-03-02 05:11:53,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:11:53,757 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 05:11:53,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:11:54,100 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 81 proven. 81 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-02 05:11:54,100 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754088068] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:11:54,100 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:11:54,100 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 22, 22] total 54 [2022-03-02 05:11:54,100 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625624741] [2022-03-02 05:11:54,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:11:54,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-03-02 05:11:54,101 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:11:54,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-03-02 05:11:54,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=469, Invalid=2393, Unknown=0, NotChecked=0, Total=2862 [2022-03-02 05:11:54,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:11:54,103 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:11:54,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 2.388888888888889) internal successors, (129), 54 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:11:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:11:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 05:11:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-02 05:11:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-03-02 05:11:54,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-03-02 05:11:54,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2022-03-02 05:11:54,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 05:11:54,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:11:55,090 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2344 transitions and produced 961 states. [2022-03-02 05:11:55,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:11:55,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 05:11:55,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-02 05:11:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-03-02 05:11:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-02 05:11:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-03-02 05:11:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 05:11:55,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-02 05:11:55,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-02 05:11:55,294 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 [2022-03-02 05:11:55,294 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:11:55,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:11:55,295 INFO L85 PathProgramCache]: Analyzing trace with hash -494438320, now seen corresponding path program 9 times [2022-03-02 05:11:55,295 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:11:55,295 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195851669] [2022-03-02 05:11:55,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:11:55,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:11:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:11:55,546 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 68 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:11:55,546 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:11:55,546 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195851669] [2022-03-02 05:11:55,546 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195851669] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:11:55,547 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181087568] [2022-03-02 05:11:55,547 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 05:11:55,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:11:55,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:11:55,550 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 05:11:55,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-02 05:11:55,598 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-03-02 05:11:55,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:11:55,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 24 conjunts are in the unsatisfiable core [2022-03-02 05:11:55,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:11:56,111 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 68 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:11:56,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:11:56,721 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 85 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:11:56,721 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181087568] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 05:11:56,721 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 05:11:56,722 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 66 [2022-03-02 05:11:56,722 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601761885] [2022-03-02 05:11:56,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 05:11:56,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-03-02 05:11:56,722 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 05:11:56,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-03-02 05:11:56,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=768, Invalid=3522, Unknown=0, NotChecked=0, Total=4290 [2022-03-02 05:11:56,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:11:56,724 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 05:11:56,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 2.227272727272727) internal successors, (147), 66 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-02 05:11:56,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:11:56,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-02 05:11:56,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-02 05:11:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-03-02 05:11:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-03-02 05:11:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2022-03-02 05:11:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-03-02 05:11:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-03-02 05:11:56,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 05:11:57,485 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 452 transitions and produced 340 states. [2022-03-02 05:11:57,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-02 05:11:57,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-02 05:11:57,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-02 05:11:57,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-03-02 05:11:57,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-02 05:11:57,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2022-03-02 05:11:57,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-02 05:11:57,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-02 05:11:57,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-02 05:11:57,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-02 05:11:57,686 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 [2022-03-02 05:11:57,687 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-02 05:11:57,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 05:11:57,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1540285650, now seen corresponding path program 10 times [2022-03-02 05:11:57,687 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 05:11:57,687 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68466316] [2022-03-02 05:11:57,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 05:11:57,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 05:11:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 05:11:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:11:58,904 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 05:11:58,904 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68466316] [2022-03-02 05:11:58,904 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68466316] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 05:11:58,904 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708336738] [2022-03-02 05:11:58,904 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-02 05:11:58,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 05:11:58,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 05:11:58,905 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-02 05:11:58,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-02 05:11:58,955 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-02 05:11:58,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 05:11:58,957 WARN L261 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 98 conjunts are in the unsatisfiable core [2022-03-02 05:11:58,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 05:12:01,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:01,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:01,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:01,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-02 05:12:01,268 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 55 disjoint index pairs (out of 91 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 51 [2022-03-02 05:12:01,330 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 05:12:01,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 05:12:03,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,415 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,417 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,420 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,421 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,425 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:03,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-02 05:12:08,511 WARN L228 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 835 DAG size of output: 611 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-02 05:12:08,513 INFO L353 Elim1Store]: treesize reduction 866, result has 61.2 percent of original size [2022-03-02 05:12:08,513 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 36 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 195 case distinctions, treesize of input 110 treesize of output 1393 Received shutdown request... [2022-03-02 05:18:05,457 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 05:18:05,458 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-02 05:18:05,459 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 05:18:05,459 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 05:18:05,459 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-02 05:18:05,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-02 05:18:05,660 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 [2022-03-02 05:18:05,660 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 24ms.. [2022-03-02 05:18:05,662 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-02 05:18:05,662 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-02 05:18:05,662 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-02 05:18:05,666 INFO L732 BasicCegarLoop]: Path program histogram: [10] [2022-03-02 05:18:05,668 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 05:18:05,668 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 05:18:05,671 INFO L202 PluginConnector]: Adding new model sum-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 05:18:05 BasicIcfg [2022-03-02 05:18:05,671 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 05:18:05,672 INFO L158 Benchmark]: Toolchain (without parser) took 832423.34ms. Allocated memory was 177.2MB in the beginning and 634.4MB in the end (delta: 457.2MB). Free memory was 135.5MB in the beginning and 293.3MB in the end (delta: -157.8MB). Peak memory consumption was 428.3MB. Max. memory is 8.0GB. [2022-03-02 05:18:05,672 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 177.2MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 05:18:05,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.77ms. Allocated memory is still 177.2MB. Free memory was 135.5MB in the beginning and 133.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-02 05:18:05,673 INFO L158 Benchmark]: Boogie Preprocessor took 16.38ms. Allocated memory is still 177.2MB. Free memory was 133.9MB in the beginning and 133.0MB in the end (delta: 926.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 05:18:05,674 INFO L158 Benchmark]: RCFGBuilder took 261.16ms. Allocated memory is still 177.2MB. Free memory was 132.8MB in the beginning and 123.7MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-02 05:18:05,674 INFO L158 Benchmark]: TraceAbstraction took 832115.67ms. Allocated memory was 177.2MB in the beginning and 634.4MB in the end (delta: 457.2MB). Free memory was 123.1MB in the beginning and 293.3MB in the end (delta: -170.1MB). Peak memory consumption was 415.7MB. Max. memory is 8.0GB. [2022-03-02 05:18:05,675 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 0.12ms. Allocated memory is still 177.2MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.77ms. Allocated memory is still 177.2MB. Free memory was 135.5MB in the beginning and 133.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.38ms. Allocated memory is still 177.2MB. Free memory was 133.9MB in the beginning and 133.0MB in the end (delta: 926.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 261.16ms. Allocated memory is still 177.2MB. Free memory was 132.8MB in the beginning and 123.7MB in the end (delta: 9.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 832115.67ms. Allocated memory was 177.2MB in the beginning and 634.4MB in the end (delta: 457.2MB). Free memory was 123.1MB in the beginning and 293.3MB in the end (delta: -170.1MB). Peak memory consumption was 415.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 24ms.. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 24ms.. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 24ms.. - 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 PartialOrderCegarLoop was analyzing trace of length 63 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 24ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 832.0s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 34.9s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 616, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 426.3s InterpolantComputationTime, 792 NumberOfCodeBlocks, 792 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 1161 ConstructedInterpolants, 22 QuantifiedInterpolants, 18436 SizeOfPredicates, 83 NumberOfNonLiveVariables, 1017 ConjunctsInSsa, 251 ConjunctsInUnsatCore, 27 InterpolantComputations, 0 PerfectInterpolantSequences, 871/2193 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