/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/horseshoe.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 05:44:54,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 05:44:54,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 05:44:54,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-16 05:44:54,322 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.epf [2022-02-16 05:44:54,346 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 05:44:54,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 05:44:54,347 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 05:44:54,347 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 05:44:54,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 05:44:54,348 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 05:44:54,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 05:44:54,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 05:44:54,348 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 05:44:54,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 05:44:54,349 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 05:44:54,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 05:44:54,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 05:44:54,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 05:44:54,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 05:44:54,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 05:44:54,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 05:44:54,350 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 05:44:54,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 05:44:54,350 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 05:44:54,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 05:44:54,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 05:44:54,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 05:44:54,350 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 05:44:54,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 05:44:54,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 05:44:54,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 05:44:54,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 05:44:54,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 05:44:54,351 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 05:44:54,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 05:44:54,351 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 05:44:54,351 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 05:44:54,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 05:44:54,351 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 05:44:54,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 05:44:54,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 05:44:54,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 05:44:54,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 05:44:54,562 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-16 05:44:54,564 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-16 05:44:54,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/horseshoe.wvr.bpl [2022-02-16 05:44:54,565 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/horseshoe.wvr.bpl' [2022-02-16 05:44:54,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 05:44:54,597 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-16 05:44:54,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 05:44:54,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 05:44:54,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 05:44:54,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 05:44:54" (1/1) ... [2022-02-16 05:44:54,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 05:44:54" (1/1) ... [2022-02-16 05:44:54,622 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-16 05:44:54,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 05:44:54,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 05:44:54,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 05:44:54,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 05:44:54,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 05:44:54" (1/1) ... [2022-02-16 05:44:54,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 05:44:54" (1/1) ... [2022-02-16 05:44:54,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 05:44:54" (1/1) ... [2022-02-16 05:44:54,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 05:44:54" (1/1) ... [2022-02-16 05:44:54,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 05:44:54" (1/1) ... [2022-02-16 05:44:54,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 05:44:54" (1/1) ... [2022-02-16 05:44:54,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 05:44:54" (1/1) ... [2022-02-16 05:44:54,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 05:44:54,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 05:44:54,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 05:44:54,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 05:44:54,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 05:44:54" (1/1) ... [2022-02-16 05:44:54,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 05:44:54,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 05:44:54,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-16 05:44:54,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-16 05:44:54,721 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-16 05:44:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-16 05:44:54,721 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-16 05:44:54,721 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-16 05:44:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-16 05:44:54,721 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-16 05:44:54,721 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-16 05:44:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 05:44:54,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 05:44:54,722 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-16 05:44:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-16 05:44:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-16 05:44:54,723 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 05:44:54,761 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 05:44:54,762 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 05:44:54,866 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 05:44:54,886 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 05:44:54,886 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 05:44:54,888 INFO L202 PluginConnector]: Adding new model horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 05:44:54 BoogieIcfgContainer [2022-02-16 05:44:54,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 05:44:54,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 05:44:54,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 05:44:54,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 05:44:54,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 05:44:54" (1/2) ... [2022-02-16 05:44:54,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de5c3cf and model type horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 05:44:54, skipping insertion in model container [2022-02-16 05:44:54,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 05:44:54" (2/2) ... [2022-02-16 05:44:54,920 INFO L111 eAbstractionObserver]: Analyzing ICFG horseshoe.wvr.bpl [2022-02-16 05:44:54,923 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 05:44:54,924 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 05:44:54,924 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 05:44:54,924 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 05:44:54,998 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-16 05:44:55,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 05:44:55,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 05:44:55,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-16 05:44:55,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-16 05:44:55,093 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 05:44:55,114 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=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 05:44:55,115 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-16 05:44:55,135 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 33 transitions, 90 flow [2022-02-16 05:44:55,226 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 353 states, 352 states have (on average 2.946022727272727) internal successors, (1037), 352 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 05:44:55,365 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3219 transitions and produced 1823 states. [2022-02-16 05:44:55,368 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 05:44:55,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 05:44:55,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1891996230, now seen corresponding path program 1 times [2022-02-16 05:44:55,389 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 05:44:55,389 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551838810] [2022-02-16 05:44:55,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 05:44:55,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 05:44:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 05:44:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 9724 backedges. 31 proven. 9538 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-02-16 05:44:57,396 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 05:44:57,396 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551838810] [2022-02-16 05:44:57,397 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551838810] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 05:44:57,397 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717380965] [2022-02-16 05:44:57,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 05:44:57,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 05:44:57,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 05:44:57,414 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 05:44:57,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-16 05:44:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 05:44:57,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 114 conjunts are in the unsatisfiable core [2022-02-16 05:44:57,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 05:45:01,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 05:45:01,634 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 05:45:01,708 INFO L134 CoverageAnalysis]: Checked inductivity of 9724 backedges. 31 proven. 9538 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-02-16 05:45:01,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 05:45:03,276 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-16 05:45:03,277 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2022-02-16 05:45:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 9724 backedges. 31 proven. 9538 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-02-16 05:45:03,811 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717380965] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 05:45:03,811 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 05:45:03,812 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 41] total 81 [2022-02-16 05:45:03,814 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691991505] [2022-02-16 05:45:03,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 05:45:03,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2022-02-16 05:45:03,820 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 05:45:03,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2022-02-16 05:45:03,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=6421, Unknown=0, NotChecked=0, Total=6642 [2022-02-16 05:45:03,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 05:45:03,868 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 05:45:03,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 7.682926829268292) internal successors, (630), 81 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 05:45:03,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 05:45:08,158 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3087 transitions and produced 2145 states. [2022-02-16 05:45:08,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-16 05:45:08,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-16 05:45:08,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-16 05:45:08,378 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 05:45:08,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 05:45:08,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1707702616, now seen corresponding path program 2 times [2022-02-16 05:45:08,378 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 05:45:08,378 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707058] [2022-02-16 05:45:08,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 05:45:08,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 05:45:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 05:45:10,788 INFO L134 CoverageAnalysis]: Checked inductivity of 19968 backedges. 31 proven. 19543 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2022-02-16 05:45:10,788 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 05:45:10,789 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707058] [2022-02-16 05:45:10,789 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707058] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 05:45:10,789 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574155572] [2022-02-16 05:45:10,789 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 05:45:10,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 05:45:10,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 05:45:10,791 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 05:45:10,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-16 05:45:10,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-16 05:45:10,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 05:45:11,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 1365 conjuncts, 172 conjunts are in the unsatisfiable core [2022-02-16 05:45:11,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 05:45:17,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 05:45:17,867 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-02-16 05:45:17,936 INFO L134 CoverageAnalysis]: Checked inductivity of 19968 backedges. 31 proven. 19543 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2022-02-16 05:45:17,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 05:45:20,836 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-16 05:45:20,837 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2022-02-16 05:45:21,513 INFO L134 CoverageAnalysis]: Checked inductivity of 19968 backedges. 31 proven. 19543 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2022-02-16 05:45:21,514 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574155572] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 05:45:21,514 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 05:45:21,514 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62, 62] total 122 [2022-02-16 05:45:21,515 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383154805] [2022-02-16 05:45:21,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 05:45:21,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 123 states [2022-02-16 05:45:21,518 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 05:45:21,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2022-02-16 05:45:21,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=14673, Unknown=0, NotChecked=0, Total=15006 [2022-02-16 05:45:21,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 05:45:21,523 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 05:45:21,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 123 states, 123 states have (on average 7.2926829268292686) internal successors, (897), 122 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 05:45:21,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-16 05:45:21,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 05:45:31,678 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3603 transitions and produced 2571 states. [2022-02-16 05:45:31,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-16 05:45:31,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-16 05:45:31,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-16 05:45:31,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 05:45:31,904 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 05:45:31,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 05:45:31,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1055110967, now seen corresponding path program 3 times [2022-02-16 05:45:31,905 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 05:45:31,905 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897224473] [2022-02-16 05:45:31,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 05:45:31,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 05:45:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 05:45:35,047 INFO L134 CoverageAnalysis]: Checked inductivity of 29380 backedges. 31 proven. 29012 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2022-02-16 05:45:35,048 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 05:45:35,048 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897224473] [2022-02-16 05:45:35,048 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897224473] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 05:45:35,048 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944236013] [2022-02-16 05:45:35,048 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-16 05:45:35,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 05:45:35,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 05:45:35,078 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 05:45:35,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-16 05:45:35,650 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 119 check-sat command(s) [2022-02-16 05:45:35,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 05:45:35,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 1621 conjuncts, 142 conjunts are in the unsatisfiable core [2022-02-16 05:45:35,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 05:45:37,042 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-16 05:45:38,336 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 05:45:38,490 INFO L134 CoverageAnalysis]: Checked inductivity of 29380 backedges. 0 proven. 25125 refuted. 0 times theorem prover too weak. 4255 trivial. 0 not checked. [2022-02-16 05:45:38,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 05:45:39,334 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 05:45:39,335 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2022-02-16 05:45:40,143 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 05:45:40,143 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-02-16 05:45:40,429 INFO L134 CoverageAnalysis]: Checked inductivity of 29380 backedges. 0 proven. 25125 refuted. 0 times theorem prover too weak. 4255 trivial. 0 not checked. [2022-02-16 05:45:40,429 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944236013] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 05:45:40,429 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 05:45:40,429 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 27, 27] total 110 [2022-02-16 05:45:40,430 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477109135] [2022-02-16 05:45:40,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 05:45:40,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2022-02-16 05:45:40,431 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 05:45:40,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2022-02-16 05:45:40,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=11985, Unknown=0, NotChecked=0, Total=12210 [2022-02-16 05:45:40,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 05:45:40,434 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 05:45:40,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 5.900900900900901) internal successors, (655), 110 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 05:45:40,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-16 05:45:40,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-16 05:45:40,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 05:46:00,501 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5710 transitions and produced 3493 states. [2022-02-16 05:46:00,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-16 05:46:00,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-16 05:46:00,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-02-16 05:46:00,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-16 05:46:00,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 05:46:00,702 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 05:46:00,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 05:46:00,702 INFO L85 PathProgramCache]: Analyzing trace with hash 2112632747, now seen corresponding path program 4 times [2022-02-16 05:46:00,703 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 05:46:00,703 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167667193] [2022-02-16 05:46:00,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 05:46:00,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 05:46:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 05:46:05,793 INFO L134 CoverageAnalysis]: Checked inductivity of 42925 backedges. 45 proven. 42421 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2022-02-16 05:46:05,794 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 05:46:05,794 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167667193] [2022-02-16 05:46:05,794 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167667193] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 05:46:05,794 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228543436] [2022-02-16 05:46:05,794 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-16 05:46:05,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 05:46:05,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 05:46:05,796 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 05:46:05,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-16 05:46:06,092 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-16 05:46:06,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 05:46:06,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 1997 conjuncts, 262 conjunts are in the unsatisfiable core [2022-02-16 05:46:06,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 05:46:18,404 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 05:46:18,408 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 05:46:18,499 INFO L134 CoverageAnalysis]: Checked inductivity of 42925 backedges. 45 proven. 42421 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2022-02-16 05:46:18,499 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 05:46:26,489 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-16 05:46:26,490 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2022-02-16 05:46:27,356 INFO L134 CoverageAnalysis]: Checked inductivity of 42925 backedges. 45 proven. 42421 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2022-02-16 05:46:27,357 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228543436] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 05:46:27,357 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 05:46:27,357 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 106, 106] total 210 [2022-02-16 05:46:27,357 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014397826] [2022-02-16 05:46:27,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 05:46:27,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 211 states [2022-02-16 05:46:27,359 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 05:46:27,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 211 interpolants. [2022-02-16 05:46:27,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=575, Invalid=43735, Unknown=0, NotChecked=0, Total=44310 [2022-02-16 05:46:27,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 05:46:27,367 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 05:46:27,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 211 states, 211 states have (on average 7.180094786729858) internal successors, (1515), 210 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 05:46:27,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-16 05:46:27,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-16 05:46:27,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-02-16 05:46:27,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 05:47:12,622 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5126 transitions and produced 3422 states. [2022-02-16 05:47:12,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-16 05:47:12,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-16 05:47:12,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-02-16 05:47:12,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-16 05:47:12,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-16 05:47:12,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 05:47:12,825 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 05:47:12,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 05:47:12,825 INFO L85 PathProgramCache]: Analyzing trace with hash -694575815, now seen corresponding path program 5 times [2022-02-16 05:47:12,825 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 05:47:12,826 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961061357] [2022-02-16 05:47:12,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 05:47:12,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 05:47:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 05:47:21,263 INFO L134 CoverageAnalysis]: Checked inductivity of 57203 backedges. 45 proven. 56699 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2022-02-16 05:47:21,264 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 05:47:21,264 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961061357] [2022-02-16 05:47:21,264 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961061357] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 05:47:21,264 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566615374] [2022-02-16 05:47:21,264 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-16 05:47:21,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 05:47:21,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 05:47:21,267 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 05:47:21,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-16 05:47:29,853 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 168 check-sat command(s) [2022-02-16 05:47:29,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 05:47:29,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 2294 conjuncts, 178 conjunts are in the unsatisfiable core [2022-02-16 05:47:29,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 05:47:39,913 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 05:47:41,838 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 05:47:42,065 INFO L134 CoverageAnalysis]: Checked inductivity of 57203 backedges. 0 proven. 48518 refuted. 0 times theorem prover too weak. 8685 trivial. 0 not checked. [2022-02-16 05:47:42,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 05:47:43,318 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 05:47:43,318 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2022-02-16 05:47:45,391 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 05:47:45,391 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2022-02-16 05:47:46,003 INFO L134 CoverageAnalysis]: Checked inductivity of 57203 backedges. 0 proven. 45558 refuted. 0 times theorem prover too weak. 11645 trivial. 0 not checked. [2022-02-16 05:47:46,003 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566615374] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 05:47:46,004 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 05:47:46,004 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [128, 90, 35] total 224 [2022-02-16 05:47:46,004 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441742129] [2022-02-16 05:47:46,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 05:47:46,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 225 states [2022-02-16 05:47:46,006 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 05:47:46,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 225 interpolants. [2022-02-16 05:47:46,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=49821, Unknown=0, NotChecked=0, Total=50400 [2022-02-16 05:47:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 05:47:46,019 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 05:47:46,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 225 states, 225 states have (on average 5.04) internal successors, (1134), 224 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 05:47:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-16 05:47:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-16 05:47:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-02-16 05:47:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-16 05:47:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 05:48:40,086 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7668 transitions and produced 4476 states. [2022-02-16 05:48:40,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-16 05:48:40,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-16 05:48:40,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-02-16 05:48:40,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-16 05:48:40,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-02-16 05:48:40,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-16 05:48:40,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 05:48:40,288 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 05:48:40,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 05:48:40,288 INFO L85 PathProgramCache]: Analyzing trace with hash 423287277, now seen corresponding path program 6 times [2022-02-16 05:48:40,288 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 05:48:40,288 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909038725] [2022-02-16 05:48:40,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 05:48:40,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 05:48:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 05:48:49,482 INFO L134 CoverageAnalysis]: Checked inductivity of 75636 backedges. 59 proven. 74964 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-02-16 05:48:49,482 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 05:48:49,483 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909038725] [2022-02-16 05:48:49,483 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909038725] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 05:48:49,483 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582516342] [2022-02-16 05:48:49,483 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-16 05:48:49,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 05:48:49,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 05:48:49,484 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 05:48:49,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-16 05:48:51,241 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 173 check-sat command(s) [2022-02-16 05:48:51,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 05:48:51,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 2320 conjuncts, 82 conjunts are in the unsatisfiable core [2022-02-16 05:48:51,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 05:48:55,520 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 05:48:57,594 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 05:48:57,788 INFO L134 CoverageAnalysis]: Checked inductivity of 75636 backedges. 0 proven. 59230 refuted. 0 times theorem prover too weak. 16406 trivial. 0 not checked. [2022-02-16 05:48:57,789 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 05:48:59,222 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 05:48:59,223 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2022-02-16 05:49:00,680 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-16 05:49:00,682 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 22 [2022-02-16 05:49:01,045 INFO L134 CoverageAnalysis]: Checked inductivity of 75636 backedges. 0 proven. 59230 refuted. 0 times theorem prover too weak. 16406 trivial. 0 not checked. [2022-02-16 05:49:01,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582516342] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 05:49:01,046 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 05:49:01,046 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [150, 43, 43] total 192 [2022-02-16 05:49:01,046 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640817603] [2022-02-16 05:49:01,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 05:49:01,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 193 states [2022-02-16 05:49:01,048 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 05:49:01,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2022-02-16 05:49:01,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=393, Invalid=36663, Unknown=0, NotChecked=0, Total=37056 [2022-02-16 05:49:01,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 05:49:01,053 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 05:49:01,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 193 states, 193 states have (on average 5.83419689119171) internal successors, (1126), 192 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 05:49:01,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-16 05:49:01,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-16 05:49:01,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-02-16 05:49:01,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-16 05:49:01,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-02-16 05:49:01,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 05:50:20,841 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 9076 transitions and produced 5128 states. [2022-02-16 05:50:20,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-16 05:50:20,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-16 05:50:20,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-02-16 05:50:20,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-16 05:50:20,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-02-16 05:50:20,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2022-02-16 05:50:20,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-02-16 05:50:21,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 05:50:21,043 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 05:50:21,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 05:50:21,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1047397677, now seen corresponding path program 7 times [2022-02-16 05:50:21,043 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 05:50:21,043 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660736503] [2022-02-16 05:50:21,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 05:50:21,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 05:50:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 05:50:33,222 INFO L134 CoverageAnalysis]: Checked inductivity of 96658 backedges. 73 proven. 95786 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2022-02-16 05:50:33,222 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 05:50:33,222 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660736503] [2022-02-16 05:50:33,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660736503] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 05:50:33,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85603400] [2022-02-16 05:50:33,223 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-16 05:50:33,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 05:50:33,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 05:50:33,224 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 05:50:33,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-16 05:50:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 05:50:33,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 3004 conjuncts, 410 conjunts are in the unsatisfiable core [2022-02-16 05:50:33,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 05:51:01,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 05:51:01,256 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 05:51:01,465 INFO L134 CoverageAnalysis]: Checked inductivity of 96658 backedges. 73 proven. 95786 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2022-02-16 05:51:01,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 05:51:21,818 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-16 05:51:21,818 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2022-02-16 05:51:22,796 INFO L134 CoverageAnalysis]: Checked inductivity of 96658 backedges. 73 proven. 95786 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2022-02-16 05:51:22,797 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85603400] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 05:51:22,797 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 05:51:22,797 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [172, 172, 172] total 342 [2022-02-16 05:51:22,797 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757230424] [2022-02-16 05:51:22,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 05:51:22,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 343 states [2022-02-16 05:51:22,799 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 05:51:22,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 343 interpolants. [2022-02-16 05:51:22,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=938, Invalid=116368, Unknown=0, NotChecked=0, Total=117306 [2022-02-16 05:51:22,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 05:51:22,804 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 05:51:22,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 343 states, 343 states have (on average 7.154518950437318) internal successors, (2454), 342 states have internal predecessors, (2454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 05:51:22,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-16 05:51:22,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-16 05:51:22,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-02-16 05:51:22,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-16 05:51:22,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-02-16 05:51:22,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2022-02-16 05:51:22,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 05:54:44,851 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7712 transitions and produced 4790 states. [2022-02-16 05:54:44,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-02-16 05:54:44,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-02-16 05:54:44,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-02-16 05:54:44,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-02-16 05:54:44,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2022-02-16 05:54:44,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2022-02-16 05:54:44,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-02-16 05:54:44,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-16 05:54:45,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-02-16 05:54:45,078 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-16 05:54:45,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 05:54:45,079 INFO L85 PathProgramCache]: Analyzing trace with hash 807638063, now seen corresponding path program 8 times [2022-02-16 05:54:45,079 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 05:54:45,079 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812152442] [2022-02-16 05:54:45,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 05:54:45,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 05:54:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 05:55:00,908 INFO L134 CoverageAnalysis]: Checked inductivity of 117591 backedges. 73 proven. 116719 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2022-02-16 05:55:00,908 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 05:55:00,908 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812152442] [2022-02-16 05:55:00,908 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812152442] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 05:55:00,908 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533692573] [2022-02-16 05:55:00,908 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 05:55:00,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 05:55:00,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 05:55:00,910 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 05:55:00,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-16 05:55:01,504 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-16 05:55:01,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 05:55:01,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 3301 conjuncts, 454 conjunts are in the unsatisfiable core [2022-02-16 05:55:01,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 05:55:39,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-16 05:55:39,355 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-16 05:55:39,613 INFO L134 CoverageAnalysis]: Checked inductivity of 117591 backedges. 73 proven. 116719 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2022-02-16 05:55:39,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 05:56:05,772 INFO L353 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2022-02-16 05:56:05,774 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2022-02-16 05:56:06,870 INFO L134 CoverageAnalysis]: Checked inductivity of 117591 backedges. 73 proven. 116719 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2022-02-16 05:56:06,870 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533692573] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 05:56:06,870 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 05:56:06,871 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [194, 194, 194] total 386 [2022-02-16 05:56:06,873 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164796948] [2022-02-16 05:56:06,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 05:56:06,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 387 states [2022-02-16 05:56:06,876 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 05:56:06,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 387 interpolants. [2022-02-16 05:56:06,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1059, Invalid=148323, Unknown=0, NotChecked=0, Total=149382 [2022-02-16 05:56:06,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 05:56:06,884 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 05:56:06,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 387 states, 387 states have (on average 7.108527131782946) internal successors, (2751), 386 states have internal predecessors, (2751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 05:56:06,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-02-16 05:56:06,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-02-16 05:56:06,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-02-16 05:56:06,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-02-16 05:56:06,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2022-02-16 05:56:06,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2022-02-16 05:56:06,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-02-16 05:56:06,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-16 05:59:17,189 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 05:59:17,190 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 05:59:17,190 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-16 05:59:17,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-16 05:59:17,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 05:59:17,396 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-02-16 05:59:17,398 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-16 05:59:17,398 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-16 05:59:17,398 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-16 05:59:17,399 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-16 05:59:17,404 INFO L732 BasicCegarLoop]: Path program histogram: [8] [2022-02-16 05:59:17,406 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 05:59:17,406 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 05:59:17,409 INFO L202 PluginConnector]: Adding new model horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 05:59:17 BasicIcfg [2022-02-16 05:59:17,409 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 05:59:17,410 INFO L158 Benchmark]: Toolchain (without parser) took 862812.11ms. Allocated memory was 177.2MB in the beginning and 921.7MB in the end (delta: 744.5MB). Free memory was 135.4MB in the beginning and 553.0MB in the end (delta: -417.5MB). Peak memory consumption was 775.2MB. Max. memory is 8.0GB. [2022-02-16 05:59:17,435 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 177.2MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 05:59:17,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.71ms. Allocated memory is still 177.2MB. Free memory was 135.3MB in the beginning and 133.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 05:59:17,436 INFO L158 Benchmark]: Boogie Preprocessor took 23.21ms. Allocated memory is still 177.2MB. Free memory was 133.8MB in the beginning and 132.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 05:59:17,436 INFO L158 Benchmark]: RCFGBuilder took 238.29ms. Allocated memory is still 177.2MB. Free memory was 132.8MB in the beginning and 122.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-16 05:59:17,436 INFO L158 Benchmark]: TraceAbstraction took 862507.63ms. Allocated memory was 177.2MB in the beginning and 921.7MB in the end (delta: 744.5MB). Free memory was 122.3MB in the beginning and 553.0MB in the end (delta: -430.7MB). Peak memory consumption was 761.5MB. Max. memory is 8.0GB. [2022-02-16 05:59:17,437 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 177.2MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.71ms. Allocated memory is still 177.2MB. Free memory was 135.3MB in the beginning and 133.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.21ms. Allocated memory is still 177.2MB. Free memory was 133.8MB in the beginning and 132.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 238.29ms. Allocated memory is still 177.2MB. Free memory was 132.8MB in the beginning and 122.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 862507.63ms. Allocated memory was 177.2MB in the beginning and 921.7MB in the end (delta: 744.5MB). Free memory was 122.3MB in the beginning and 553.0MB in the end (delta: -430.7MB). Peak memory consumption was 761.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 862.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 606.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=353occurred in iteration=0, InterpolantAutomatonStates: 965, 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: 0.5s SsaConstructionTime, 19.9s SatisfiabilityAnalysisTime, 233.2s InterpolantComputationTime, 14042 NumberOfCodeBlocks, 13900 NumberOfCodeBlocksAsserted, 475 NumberOfCheckSat, 21039 ConstructedInterpolants, 2835 QuantifiedInterpolants, 200911 SizeOfPredicates, 35 NumberOfNonLiveVariables, 16875 ConjunctsInSsa, 1814 ConjunctsInUnsatCore, 24 InterpolantComputations, 0 PerfectInterpolantSequences, 71773/1347255 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