/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/max-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 06:20:18,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 06:20:18,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 06:20:18,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 06:20:18,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 06:20:18,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 06:20:18,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 06:20:18,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 06:20:18,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 06:20:18,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 06:20:18,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 06:20:18,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 06:20:18,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 06:20:18,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 06:20:18,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 06:20:18,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 06:20:18,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 06:20:18,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 06:20:18,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 06:20:18,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 06:20:18,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 06:20:18,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 06:20:18,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 06:20:18,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 06:20:18,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 06:20:18,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 06:20:18,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 06:20:18,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 06:20:18,563 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-04 06:20:18,581 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 06:20:18,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 06:20:18,581 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 06:20:18,581 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 06:20:18,582 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 06:20:18,582 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 06:20:18,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 06:20:18,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 06:20:18,583 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 06:20:18,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 06:20:18,583 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 06:20:18,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 06:20:18,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 06:20:18,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 06:20:18,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 06:20:18,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 06:20:18,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 06:20:18,584 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 06:20:18,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 06:20:18,584 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 06:20:18,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 06:20:18,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 06:20:18,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 06:20:18,585 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 06:20:18,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 06:20:18,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 06:20:18,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 06:20:18,585 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 06:20:18,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 06:20:18,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 06:20:18,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 06:20:18,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 06:20:18,586 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 06:20:18,586 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 06:20:18,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 06:20:18,586 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 06:20:18,586 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 06:20:18,587 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 06:20:18,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 06:20:18,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 06:20:18,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 06:20:18,855 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 06:20:18,856 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 06:20:18,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl [2022-03-04 06:20:18,858 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array-hom.wvr.bpl' [2022-03-04 06:20:18,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 06:20:18,881 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 06:20:18,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 06:20:18,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 06:20:18,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 06:20:18,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:20:18" (1/1) ... [2022-03-04 06:20:18,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:20:18" (1/1) ... [2022-03-04 06:20:18,902 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 06:20:18,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 06:20:18,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 06:20:18,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 06:20:18,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 06:20:18,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:20:18" (1/1) ... [2022-03-04 06:20:18,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:20:18" (1/1) ... [2022-03-04 06:20:18,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:20:18" (1/1) ... [2022-03-04 06:20:18,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:20:18" (1/1) ... [2022-03-04 06:20:18,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:20:18" (1/1) ... [2022-03-04 06:20:18,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:20:18" (1/1) ... [2022-03-04 06:20:18,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:20:18" (1/1) ... [2022-03-04 06:20:18,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 06:20:18,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 06:20:18,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 06:20:18,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 06:20:18,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:20:18" (1/1) ... [2022-03-04 06:20:18,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 06:20:18,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:20:18,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 06:20:18,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 06:20:18,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 06:20:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 06:20:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 06:20:18,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 06:20:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 06:20:18,988 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 06:20:18,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 06:20:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 06:20:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 06:20:18,989 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 06:20:18,989 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 06:20:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 06:20:18,990 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 06:20:19,033 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 06:20:19,035 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 06:20:19,165 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 06:20:19,186 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 06:20:19,186 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 06:20:19,188 INFO L202 PluginConnector]: Adding new model max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 06:20:19 BoogieIcfgContainer [2022-03-04 06:20:19,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 06:20:19,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 06:20:19,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 06:20:19,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 06:20:19,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:20:18" (1/2) ... [2022-03-04 06:20:19,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331b6a84 and model type max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:20:19, skipping insertion in model container [2022-03-04 06:20:19,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 06:20:19" (2/2) ... [2022-03-04 06:20:19,201 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array-hom.wvr.bpl [2022-03-04 06:20:19,210 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 06:20:19,210 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 06:20:19,210 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 06:20:19,210 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 06:20:19,275 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-04 06:20:19,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 06:20:19,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:20:19,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 06:20:19,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 06:20:19,375 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 06:20:19,385 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-04 06:20:19,385 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-04 06:20:19,523 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 590 transitions and produced 262 states. [2022-03-04 06:20:19,525 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:20:19,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:20:19,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1731617998, now seen corresponding path program 1 times [2022-03-04 06:20:19,535 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:20:19,535 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122533957] [2022-03-04 06:20:19,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:20:19,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:20:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:20:19,825 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 06:20:19,826 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:20:19,826 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122533957] [2022-03-04 06:20:19,826 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122533957] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:20:19,827 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730730161] [2022-03-04 06:20:19,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:20:19,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:20:19,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:20:19,841 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:20:19,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 06:20:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:20:19,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-04 06:20:19,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:20:20,180 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-04 06:20:20,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:20:20,423 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-04 06:20:20,423 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730730161] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:20:20,424 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:20:20,424 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 18 [2022-03-04 06:20:20,426 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031755674] [2022-03-04 06:20:20,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:20:20,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-04 06:20:20,432 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:20:20,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-04 06:20:20,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2022-03-04 06:20:20,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:20:20,454 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:20:20,455 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) [2022-03-04 06:20:20,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:20:21,029 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 601 transitions and produced 273 states. [2022-03-04 06:20:21,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:20:21,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 06:20:21,232 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 [2022-03-04 06:20:21,232 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:20:21,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:20:21,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1007173588, now seen corresponding path program 2 times [2022-03-04 06:20:21,233 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:20:21,233 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853681348] [2022-03-04 06:20:21,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:20:21,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:20:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:20:21,350 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:20:21,350 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:20:21,351 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853681348] [2022-03-04 06:20:21,352 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853681348] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:20:21,353 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632037669] [2022-03-04 06:20:21,353 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 06:20:21,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:20:21,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:20:21,355 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:20:21,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 06:20:21,401 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 06:20:21,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:20:21,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-04 06:20:21,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:20:21,600 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:20:21,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:20:21,810 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:20:21,810 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632037669] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:20:21,811 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:20:21,812 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-03-04 06:20:21,812 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048889505] [2022-03-04 06:20:21,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:20:21,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-03-04 06:20:21,815 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:20:21,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-03-04 06:20:21,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2022-03-04 06:20:21,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:20:21,818 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:20:21,819 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) [2022-03-04 06:20:21,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:20:21,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:20:22,237 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 204 transitions and produced 152 states. [2022-03-04 06:20:22,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:20:22,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 06:20:22,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 06:20:22,438 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 [2022-03-04 06:20:22,439 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:20:22,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:20:22,439 INFO L85 PathProgramCache]: Analyzing trace with hash -170935286, now seen corresponding path program 3 times [2022-03-04 06:20:22,440 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:20:22,440 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691032196] [2022-03-04 06:20:22,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:20:22,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:20:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:20:29,366 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:20:29,367 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:20:29,367 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691032196] [2022-03-04 06:20:29,367 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691032196] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:20:29,367 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219876191] [2022-03-04 06:20:29,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 06:20:29,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:20:29,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:20:29,369 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:20:29,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 06:20:29,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-03-04 06:20:29,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:20:29,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 43 conjunts are in the unsatisfiable core [2022-03-04 06:20:29,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:20:38,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:20:38,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:20:38,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:20:38,950 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 06:20:38,951 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 487 treesize of output 375 [2022-03-04 06:22:20,153 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:22:20,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:22:37,737 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:22:37,738 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:22:37,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:22:37,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:22:37,847 INFO L353 Elim1Store]: treesize reduction 32, result has 77.3 percent of original size [2022-03-04 06:22:37,847 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 22 case distinctions, treesize of input 1757 treesize of output 1011 [2022-03-04 06:25:54,841 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:25:54,842 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219876191] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:25:54,842 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:25:54,842 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2022-03-04 06:25:54,842 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637296267] [2022-03-04 06:25:54,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:25:54,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-03-04 06:25:54,843 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:25:54,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-03-04 06:25:54,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1215, Unknown=0, NotChecked=0, Total=1332 [2022-03-04 06:25:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:25:54,845 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:25:54,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.3783783783783785) internal successors, (88), 37 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 06:25:54,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:25:54,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 06:25:54,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:26:06,852 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 132 transitions and produced 128 states. [2022-03-04 06:26:06,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:26:06,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 06:26:06,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-04 06:26:06,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 06:26:07,054 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 [2022-03-04 06:26:07,054 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:26:07,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:26:07,055 INFO L85 PathProgramCache]: Analyzing trace with hash 295188584, now seen corresponding path program 4 times [2022-03-04 06:26:07,056 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:26:07,056 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907083088] [2022-03-04 06:26:07,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:26:07,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:26:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:26:07,176 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:26:07,177 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:26:07,177 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907083088] [2022-03-04 06:26:07,177 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907083088] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:26:07,177 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440706644] [2022-03-04 06:26:07,177 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 06:26:07,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:26:07,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:26:07,180 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:26:07,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 06:26:07,218 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 06:26:07,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:26:07,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-04 06:26:07,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:26:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:26:07,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:26:07,627 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:26:07,627 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440706644] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:26:07,628 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:26:07,628 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 31 [2022-03-04 06:26:07,628 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281916909] [2022-03-04 06:26:07,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:26:07,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-03-04 06:26:07,629 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:26:07,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-03-04 06:26:07,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=763, Unknown=0, NotChecked=0, Total=930 [2022-03-04 06:26:07,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:26:07,631 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:26:07,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.5483870967741935) internal successors, (79), 31 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 06:26:07,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:26:07,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 06:26:07,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-04 06:26:07,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:26:08,405 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 178 transitions and produced 163 states. [2022-03-04 06:26:08,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:26:08,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 06:26:08,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-04 06:26:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-04 06:26:08,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 06:26:08,606 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 [2022-03-04 06:26:08,607 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:26:08,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:26:08,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1891723518, now seen corresponding path program 5 times [2022-03-04 06:26:08,607 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:26:08,608 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745233536] [2022-03-04 06:26:08,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:26:08,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:26:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:26:08,743 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:26:08,744 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:26:08,744 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745233536] [2022-03-04 06:26:08,744 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745233536] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:26:08,744 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799614635] [2022-03-04 06:26:08,744 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 06:26:08,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:26:08,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:26:08,748 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:26:08,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 06:26:08,789 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-03-04 06:26:08,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:26:08,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 15 conjunts are in the unsatisfiable core [2022-03-04 06:26:08,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:26:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:26:09,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:26:09,336 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 29 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:26:09,337 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799614635] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:26:09,337 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:26:09,337 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 41 [2022-03-04 06:26:09,337 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140050826] [2022-03-04 06:26:09,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:26:09,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-03-04 06:26:09,338 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:26:09,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-03-04 06:26:09,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=1328, Unknown=0, NotChecked=0, Total=1640 [2022-03-04 06:26:09,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:26:09,340 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:26:09,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.4390243902439024) internal successors, (100), 41 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 06:26:09,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:26:09,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 06:26:09,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-04 06:26:09,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-03-04 06:26:09,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:26:11,199 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1092 transitions and produced 492 states. [2022-03-04 06:26:11,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:26:11,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 06:26:11,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-04 06:26:11,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-03-04 06:26:11,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-03-04 06:26:11,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 06:26:11,401 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 [2022-03-04 06:26:11,401 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:26:11,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:26:11,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1849881662, now seen corresponding path program 6 times [2022-03-04 06:26:11,402 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:26:11,402 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318499058] [2022-03-04 06:26:11,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:26:11,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:26:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:29:06,764 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:29:06,764 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:29:06,764 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318499058] [2022-03-04 06:29:06,764 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318499058] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:29:06,765 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619829579] [2022-03-04 06:29:06,765 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 06:29:06,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:29:06,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:29:06,766 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:29:06,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 06:29:06,845 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2022-03-04 06:29:06,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:29:06,848 WARN L261 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 70 conjunts are in the unsatisfiable core [2022-03-04 06:29:06,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:30:44,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:30:44,624 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 06:30:44,625 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 41 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 25 case distinctions, treesize of input 3867 treesize of output 2325 Received shutdown request... [2022-03-04 06:34:03,139 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-04 06:34:03,144 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 06:34:03,144 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 06:34:03,145 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 06:34:03,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-04 06:34:03,367 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 [2022-03-04 06:34:03,368 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2022-03-04 06:34:03,369 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-04 06:34:03,369 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-04 06:34:03,370 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-04 06:34:03,375 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-04 06:34:03,377 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 06:34:03,377 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 06:34:03,379 INFO L202 PluginConnector]: Adding new model max-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:34:03 BasicIcfg [2022-03-04 06:34:03,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 06:34:03,380 INFO L158 Benchmark]: Toolchain (without parser) took 824498.43ms. Allocated memory was 172.0MB in the beginning and 1.0GB in the end (delta: 830.5MB). Free memory was 136.2MB in the beginning and 349.5MB in the end (delta: -213.3MB). Peak memory consumption was 630.8MB. Max. memory is 8.0GB. [2022-03-04 06:34:03,380 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 172.0MB. Free memory is still 137.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 06:34:03,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.06ms. Allocated memory is still 172.0MB. Free memory was 136.1MB in the beginning and 134.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:34:03,381 INFO L158 Benchmark]: Boogie Preprocessor took 16.37ms. Allocated memory is still 172.0MB. Free memory was 134.6MB in the beginning and 133.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:34:03,381 INFO L158 Benchmark]: RCFGBuilder took 267.33ms. Allocated memory is still 172.0MB. Free memory was 133.5MB in the beginning and 124.2MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 06:34:03,382 INFO L158 Benchmark]: TraceAbstraction took 824189.44ms. Allocated memory was 172.0MB in the beginning and 1.0GB in the end (delta: 830.5MB). Free memory was 123.7MB in the beginning and 349.5MB in the end (delta: -225.8MB). Peak memory consumption was 618.2MB. Max. memory is 8.0GB. [2022-03-04 06:34:03,383 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 0.17ms. Allocated memory is still 172.0MB. Free memory is still 137.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.06ms. Allocated memory is still 172.0MB. Free memory was 136.1MB in the beginning and 134.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.37ms. Allocated memory is still 172.0MB. Free memory was 134.6MB in the beginning and 133.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 267.33ms. Allocated memory is still 172.0MB. Free memory was 133.5MB in the beginning and 124.2MB in the end (delta: 9.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 824189.44ms. Allocated memory was 172.0MB in the beginning and 1.0GB in the end (delta: 830.5MB). Free memory was 123.7MB in the beginning and 349.5MB in the end (delta: -225.8MB). Peak memory consumption was 618.2MB. 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 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - 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 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - 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 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - 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 47 with TraceHistMax 7,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 824.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 15.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 222, 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: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 334.6s InterpolantComputationTime, 348 NumberOfCodeBlocks, 348 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 507 ConstructedInterpolants, 16 QuantifiedInterpolants, 25261 SizeOfPredicates, 42 NumberOfNonLiveVariables, 450 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 150/420 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