/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 05:53:09,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 05:53:09,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 05:53:09,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 05:53:09,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 05:53:09,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 05:53:09,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 05:53:09,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 05:53:09,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 05:53:09,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 05:53:09,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 05:53:09,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 05:53:09,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 05:53:09,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 05:53:09,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 05:53:09,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 05:53:09,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 05:53:09,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 05:53:09,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 05:53:09,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 05:53:09,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 05:53:09,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 05:53:09,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 05:53:09,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 05:53:09,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-04 05:53:09,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-04 05:53:09,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-04 05:53:09,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-04 05:53:09,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-04 05:53:09,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-04 05:53:09,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-04 05:53:09,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-04 05:53:09,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-04 05:53:09,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-04 05:53:09,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-04 05:53:09,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-04 05:53:09,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-04 05:53:09,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-04 05:53:09,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 05:53:09,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 05:53:09,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 05:53:09,560 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-04 05:53:09,582 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 05:53:09,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 05:53:09,583 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 05:53:09,583 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 05:53:09,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 05:53:09,584 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 05:53:09,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 05:53:09,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 05:53:09,584 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 05:53:09,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 05:53:09,585 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 05:53:09,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 05:53:09,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 05:53:09,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 05:53:09,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 05:53:09,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 05:53:09,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 05:53:09,585 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 05:53:09,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 05:53:09,586 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 05:53:09,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 05:53:09,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 05:53:09,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 05:53:09,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 05:53:09,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 05:53:09,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 05:53:09,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 05:53:09,587 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 05:53:09,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 05:53:09,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 05:53:09,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 05:53:09,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 05:53:09,587 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 05:53:09,588 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 05:53:09,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 05:53:09,588 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 05:53:09,588 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 05:53:09,588 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 05:53:09,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 05:53:09,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 05:53:09,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 05:53:09,803 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 05:53:09,804 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 05:53:09,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl [2022-03-04 05:53:09,805 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl' [2022-03-04 05:53:09,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 05:53:09,824 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 05:53:09,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 05:53:09,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 05:53:09,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 05:53:09,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:09" (1/1) ... [2022-03-04 05:53:09,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:09" (1/1) ... [2022-03-04 05:53:09,841 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 05:53:09,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 05:53:09,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 05:53:09,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 05:53:09,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 05:53:09,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:09" (1/1) ... [2022-03-04 05:53:09,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:09" (1/1) ... [2022-03-04 05:53:09,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:09" (1/1) ... [2022-03-04 05:53:09,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:09" (1/1) ... [2022-03-04 05:53:09,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:09" (1/1) ... [2022-03-04 05:53:09,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:09" (1/1) ... [2022-03-04 05:53:09,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:09" (1/1) ... [2022-03-04 05:53:09,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 05:53:09,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 05:53:09,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 05:53:09,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 05:53:09,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:09" (1/1) ... [2022-03-04 05:53:09,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 05:53:09,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:53:09,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 05:53:09,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 05:53:09,915 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 05:53:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 05:53:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 05:53:09,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 05:53:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 05:53:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 05:53:09,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 05:53:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 05:53:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 05:53:09,916 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 05:53:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 05:53:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 05:53:09,917 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 05:53:09,957 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 05:53:09,958 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 05:53:10,060 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 05:53:10,070 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 05:53:10,070 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 05:53:10,072 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 05:53:10 BoogieIcfgContainer [2022-03-04 05:53:10,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 05:53:10,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 05:53:10,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 05:53:10,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 05:53:10,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:53:09" (1/2) ... [2022-03-04 05:53:10,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9af7db and model type prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:53:10, skipping insertion in model container [2022-03-04 05:53:10,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 05:53:10" (2/2) ... [2022-03-04 05:53:10,103 INFO L111 eAbstractionObserver]: Analyzing ICFG prod-cons.wvr.bpl [2022-03-04 05:53:10,106 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 05:53:10,106 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 05:53:10,106 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 05:53:10,106 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 05:53:10,158 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-04 05:53:10,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 05:53:10,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:53:10,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 05:53:10,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 05:53:10,261 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 05:53:10,268 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-04 05:53:10,268 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-04 05:53:10,399 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1757 transitions and produced 888 states. [2022-03-04 05:53:10,401 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 05:53:10,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:53:10,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1971741920, now seen corresponding path program 1 times [2022-03-04 05:53:10,410 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:53:10,411 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585359089] [2022-03-04 05:53:10,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:53:10,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:53:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:53:10,657 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2022-03-04 05:53:10,657 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:53:10,657 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585359089] [2022-03-04 05:53:10,658 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585359089] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 05:53:10,658 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 05:53:10,658 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 05:53:10,659 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569471007] [2022-03-04 05:53:10,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 05:53:10,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 05:53:10,665 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:53:10,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 05:53:10,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 05:53:10,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:53:10,731 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:53:10,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:53:10,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:53:10,840 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3925 transitions and produced 1745 states. [2022-03-04 05:53:10,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:53:10,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 05:53:10,841 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 05:53:10,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:53:10,842 INFO L85 PathProgramCache]: Analyzing trace with hash -500126370, now seen corresponding path program 2 times [2022-03-04 05:53:10,842 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:53:10,842 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113483767] [2022-03-04 05:53:10,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:53:10,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:53:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:53:11,996 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 23 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:53:11,996 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:53:11,996 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113483767] [2022-03-04 05:53:11,996 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113483767] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:53:11,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691348308] [2022-03-04 05:53:11,997 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 05:53:11,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:53:11,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:53:11,998 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:53:12,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 05:53:12,072 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 05:53:12,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:53:12,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 50 conjunts are in the unsatisfiable core [2022-03-04 05:53:12,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:53:14,312 INFO L353 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2022-03-04 05:53:14,314 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 26 [2022-03-04 05:53:14,435 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 23 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:53:14,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:53:16,149 INFO L353 Elim1Store]: treesize reduction 264, result has 47.7 percent of original size [2022-03-04 05:53:16,150 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 66 treesize of output 270 [2022-03-04 05:53:20,168 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 34 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:53:20,168 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691348308] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:53:20,168 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:53:20,168 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34, 34] total 95 [2022-03-04 05:53:20,169 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501624431] [2022-03-04 05:53:20,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:53:20,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2022-03-04 05:53:20,170 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:53:20,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2022-03-04 05:53:20,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=889, Invalid=8041, Unknown=0, NotChecked=0, Total=8930 [2022-03-04 05:53:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:53:20,175 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:53:20,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 2.1052631578947367) internal successors, (200), 95 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:53:20,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:53:20,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:53:22,921 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 253 transitions and produced 208 states. [2022-03-04 05:53:22,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:53:22,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:53:22,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-04 05:53:23,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-03-04 05:53:23,123 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 05:53:23,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:53:23,124 INFO L85 PathProgramCache]: Analyzing trace with hash -764862492, now seen corresponding path program 3 times [2022-03-04 05:53:23,124 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:53:23,124 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85502944] [2022-03-04 05:53:23,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:53:23,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:53:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:53:23,613 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 9 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:53:23,613 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:53:23,613 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85502944] [2022-03-04 05:53:23,613 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85502944] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:53:23,613 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874355906] [2022-03-04 05:53:23,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 05:53:23,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:53:23,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:53:23,615 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:53:23,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 05:53:23,650 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2022-03-04 05:53:23,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:53:23,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 38 conjunts are in the unsatisfiable core [2022-03-04 05:53:23,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:53:24,694 INFO L353 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2022-03-04 05:53:24,695 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 22 [2022-03-04 05:53:24,796 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 9 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:53:24,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:53:25,652 INFO L353 Elim1Store]: treesize reduction 156, result has 49.5 percent of original size [2022-03-04 05:53:25,653 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 53 treesize of output 177 [2022-03-04 05:53:27,083 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 33 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:53:27,083 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874355906] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:53:27,083 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:53:27,083 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 71 [2022-03-04 05:53:27,083 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228576640] [2022-03-04 05:53:27,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:53:27,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-03-04 05:53:27,084 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:53:27,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-03-04 05:53:27,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=542, Invalid=4428, Unknown=0, NotChecked=0, Total=4970 [2022-03-04 05:53:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:53:27,085 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:53:27,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 2.1549295774647885) internal successors, (153), 71 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:53:27,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:53:27,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-03-04 05:53:27,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:53:29,139 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 237 transitions and produced 191 states. [2022-03-04 05:53:29,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:53:29,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-04 05:53:29,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-04 05:53:29,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 05:53:29,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:53:29,340 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 05:53:29,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:53:29,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1497083383, now seen corresponding path program 4 times [2022-03-04 05:53:29,341 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:53:29,341 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784136997] [2022-03-04 05:53:29,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:53:29,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:53:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:53:29,433 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:53:29,433 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:53:29,434 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784136997] [2022-03-04 05:53:29,434 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784136997] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:53:29,434 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050932595] [2022-03-04 05:53:29,434 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 05:53:29,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:53:29,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:53:29,435 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:53:29,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 05:53:29,464 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 05:53:29,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:53:29,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-04 05:53:29,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:53:29,553 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:53:29,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:53:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:53:29,632 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050932595] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:53:29,632 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:53:29,633 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 9 [2022-03-04 05:53:29,633 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553359941] [2022-03-04 05:53:29,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:53:29,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-04 05:53:29,633 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:53:29,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-04 05:53:29,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-03-04 05:53:29,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:53:29,634 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:53:29,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:53:29,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:53:29,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-04 05:53:29,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-03-04 05:53:29,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:53:31,575 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 289 transitions and produced 237 states. [2022-03-04 05:53:31,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:53:31,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-04 05:53:31,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-04 05:53:31,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 05:53:31,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 05:53:31,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:53:31,784 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 05:53:31,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:53:31,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1918238105, now seen corresponding path program 5 times [2022-03-04 05:53:31,784 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:53:31,784 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299232487] [2022-03-04 05:53:31,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:53:31,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:53:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:53:32,428 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 11 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:53:32,428 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:53:32,428 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299232487] [2022-03-04 05:53:32,428 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299232487] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:53:32,429 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437512587] [2022-03-04 05:53:32,429 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 05:53:32,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:53:32,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:53:32,430 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:53:32,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 05:53:32,471 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-03-04 05:53:32,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:53:32,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 47 conjunts are in the unsatisfiable core [2022-03-04 05:53:32,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:53:33,983 INFO L353 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2022-03-04 05:53:33,984 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 26 [2022-03-04 05:53:34,087 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 11 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:53:34,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:53:35,434 INFO L353 Elim1Store]: treesize reduction 264, result has 47.7 percent of original size [2022-03-04 05:53:35,435 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 66 treesize of output 270 [2022-03-04 05:53:39,462 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 58 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:53:39,463 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437512587] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:53:39,463 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:53:39,463 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 86 [2022-03-04 05:53:39,463 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449351563] [2022-03-04 05:53:39,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:53:39,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2022-03-04 05:53:39,464 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:53:39,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2022-03-04 05:53:39,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=746, Invalid=6564, Unknown=0, NotChecked=0, Total=7310 [2022-03-04 05:53:39,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:53:39,465 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:53:39,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 2.1744186046511627) internal successors, (187), 86 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:53:39,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:53:39,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-04 05:53:39,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-04 05:53:39,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 05:53:39,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:53:42,438 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 273 transitions and produced 220 states. [2022-03-04 05:53:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:53:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-04 05:53:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-04 05:53:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 05:53:42,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-03-04 05:53:42,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-04 05:53:42,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:53:42,639 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 05:53:42,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:53:42,640 INFO L85 PathProgramCache]: Analyzing trace with hash -664923614, now seen corresponding path program 6 times [2022-03-04 05:53:42,640 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:53:42,640 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559710955] [2022-03-04 05:53:42,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:53:42,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:53:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:53:43,258 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:53:43,258 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:53:43,258 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559710955] [2022-03-04 05:53:43,258 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559710955] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:53:43,258 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459921794] [2022-03-04 05:53:43,258 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 05:53:43,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:53:43,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:53:43,260 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:53:43,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 05:53:43,290 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2022-03-04 05:53:43,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:53:43,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 55 conjunts are in the unsatisfiable core [2022-03-04 05:53:43,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:53:44,767 INFO L353 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2022-03-04 05:53:44,767 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 74 treesize of output 30 [2022-03-04 05:53:44,874 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:53:44,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:53:46,545 INFO L353 Elim1Store]: treesize reduction 400, result has 46.6 percent of original size [2022-03-04 05:53:46,545 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 78 treesize of output 382 [2022-03-04 05:53:55,205 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 57 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:53:55,205 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459921794] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:53:55,205 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:53:55,205 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 32, 31] total 87 [2022-03-04 05:53:55,206 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476771362] [2022-03-04 05:53:55,206 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:53:55,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2022-03-04 05:53:55,206 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:53:55,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2022-03-04 05:53:55,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=826, Invalid=6656, Unknown=0, NotChecked=0, Total=7482 [2022-03-04 05:53:55,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:53:55,208 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:53:55,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 1.8620689655172413) internal successors, (162), 87 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:53:55,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:53:55,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-04 05:53:55,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-04 05:53:55,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 05:53:55,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-03-04 05:53:55,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:54:01,691 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 322 transitions and produced 265 states. [2022-03-04 05:54:01,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:54:01,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-04 05:54:01,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-04 05:54:01,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 05:54:01,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-04 05:54:01,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-04 05:54:01,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-03-04 05:54:01,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:54:01,893 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 05:54:01,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:54:01,893 INFO L85 PathProgramCache]: Analyzing trace with hash -581026131, now seen corresponding path program 7 times [2022-03-04 05:54:01,893 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:54:01,894 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206269216] [2022-03-04 05:54:01,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:54:01,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:54:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:54:02,827 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 9 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:54:02,828 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:54:02,828 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206269216] [2022-03-04 05:54:02,828 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206269216] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:54:02,828 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300671437] [2022-03-04 05:54:02,828 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-03-04 05:54:02,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:54:02,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:54:02,829 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:54:02,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 05:54:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:54:02,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 64 conjunts are in the unsatisfiable core [2022-03-04 05:54:02,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:54:05,200 INFO L353 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2022-03-04 05:54:05,201 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 90 treesize of output 34 [2022-03-04 05:54:05,306 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 9 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:54:05,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:54:08,018 INFO L353 Elim1Store]: treesize reduction 564, result has 45.8 percent of original size [2022-03-04 05:54:08,018 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 92 treesize of output 516 [2022-03-04 05:55:04,081 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 75 proven. 193 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:55:04,081 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300671437] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:55:04,081 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:55:04,081 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 107 [2022-03-04 05:55:04,081 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114339435] [2022-03-04 05:55:04,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:55:04,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2022-03-04 05:55:04,082 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:55:04,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2022-03-04 05:55:04,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1048, Invalid=10294, Unknown=0, NotChecked=0, Total=11342 [2022-03-04 05:55:04,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:55:04,084 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:55:04,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 1.9345794392523366) internal successors, (207), 107 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:55:04,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:55:04,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-04 05:55:04,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-04 05:55:04,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 05:55:04,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-03-04 05:55:04,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-03-04 05:55:04,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:55:08,920 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 306 transitions and produced 248 states. [2022-03-04 05:55:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:55:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-04 05:55:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-04 05:55:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 05:55:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-04 05:55:08,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-04 05:55:08,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:55:08,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-04 05:55:09,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:55:09,132 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 05:55:09,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:55:09,133 INFO L85 PathProgramCache]: Analyzing trace with hash 2042485416, now seen corresponding path program 8 times [2022-03-04 05:55:09,133 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:55:09,133 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036939966] [2022-03-04 05:55:09,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:55:09,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:55:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:55:09,210 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 117 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:55:09,210 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:55:09,210 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036939966] [2022-03-04 05:55:09,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036939966] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:55:09,210 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003955977] [2022-03-04 05:55:09,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 05:55:09,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:55:09,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:55:09,212 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:55:09,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-04 05:55:09,247 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 05:55:09,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:55:09,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-04 05:55:09,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:55:09,336 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 117 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:55:09,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:55:09,427 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 117 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:55:09,427 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003955977] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 05:55:09,427 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 05:55:09,427 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 12 [2022-03-04 05:55:09,428 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74126988] [2022-03-04 05:55:09,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 05:55:09,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-04 05:55:09,428 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 05:55:09,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-04 05:55:09,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-03-04 05:55:09,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:55:09,428 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 05:55:09,429 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 05:55:09,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:55:09,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-04 05:55:09,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-04 05:55:09,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 05:55:09,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-03-04 05:55:09,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-03-04 05:55:09,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-03-04 05:55:09,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 05:55:12,828 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 358 transitions and produced 294 states. [2022-03-04 05:55:12,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 05:55:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-04 05:55:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-04 05:55:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 05:55:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-04 05:55:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-04 05:55:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-03-04 05:55:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 05:55:12,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-04 05:55:13,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-03-04 05:55:13,032 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 05:55:13,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:55:13,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1463841534, now seen corresponding path program 9 times [2022-03-04 05:55:13,032 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:55:13,032 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764765113] [2022-03-04 05:55:13,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:55:13,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:55:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:55:14,221 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 11 proven. 353 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:55:14,222 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:55:14,222 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764765113] [2022-03-04 05:55:14,222 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764765113] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:55:14,222 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566165851] [2022-03-04 05:55:14,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 05:55:14,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:55:14,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:55:14,223 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 05:55:14,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-04 05:55:14,266 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2022-03-04 05:55:14,266 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 05:55:14,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 83 conjunts are in the unsatisfiable core [2022-03-04 05:55:14,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 05:55:17,829 INFO L353 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2022-03-04 05:55:17,829 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 98 treesize of output 38 [2022-03-04 05:55:17,956 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:55:17,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 05:55:21,923 INFO L353 Elim1Store]: treesize reduction 756, result has 45.3 percent of original size [2022-03-04 05:55:21,924 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 104 treesize of output 668 [2022-03-04 06:00:01,356 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 118 proven. 246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:00:01,356 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566165851] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:00:01,356 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:00:01,356 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 48, 43] total 127 [2022-03-04 06:00:01,356 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077016658] [2022-03-04 06:00:01,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:00:01,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2022-03-04 06:00:01,357 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:00:01,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2022-03-04 06:00:01,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1414, Invalid=14588, Unknown=0, NotChecked=0, Total=16002 [2022-03-04 06:00:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:00:01,360 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:00:01,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 1.8425196850393701) internal successors, (234), 127 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 06:00:01,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:00:01,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-04 06:00:01,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-04 06:00:01,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 06:00:01,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-03-04 06:00:01,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-03-04 06:00:01,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2022-03-04 06:00:01,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 06:00:01,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:00:11,677 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 381 transitions and produced 313 states. [2022-03-04 06:00:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:00:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-04 06:00:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-04 06:00:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 06:00:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-04 06:00:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-04 06:00:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-03-04 06:00:11,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 06:00:11,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-04 06:00:11,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-04 06:00:11,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:00:11,887 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:00:11,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:00:11,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1966625959, now seen corresponding path program 10 times [2022-03-04 06:00:11,896 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:00:11,896 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863651429] [2022-03-04 06:00:11,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:00:11,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:00:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:00:13,515 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 11 proven. 421 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:00:13,515 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:00:13,515 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863651429] [2022-03-04 06:00:13,515 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863651429] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:00:13,515 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439590039] [2022-03-04 06:00:13,516 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 06:00:13,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:00:13,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:00:13,517 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:00:13,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-04 06:00:13,561 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 06:00:13,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:00:13,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 81 conjunts are in the unsatisfiable core [2022-03-04 06:00:13,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:00:17,860 INFO L353 Elim1Store]: treesize reduction 432, result has 0.2 percent of original size [2022-03-04 06:00:17,861 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 114 treesize of output 42 [2022-03-04 06:00:18,041 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 11 proven. 421 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:00:18,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:00:24,478 INFO L353 Elim1Store]: treesize reduction 976, result has 44.8 percent of original size [2022-03-04 06:00:24,479 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 118 treesize of output 842 [2022-03-04 06:02:20,580 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 144 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:02:20,581 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439590039] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:02:20,581 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:02:20,581 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 134 [2022-03-04 06:02:20,581 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427702922] [2022-03-04 06:02:20,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:02:20,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2022-03-04 06:02:20,582 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:02:20,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2022-03-04 06:02:20,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1570, Invalid=16252, Unknown=0, NotChecked=0, Total=17822 [2022-03-04 06:02:20,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:02:20,585 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:02:20,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 1.8805970149253732) internal successors, (252), 134 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 06:02:20,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:02:20,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-04 06:02:20,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-04 06:02:20,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 06:02:20,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-03-04 06:02:20,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-03-04 06:02:20,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2022-03-04 06:02:20,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 06:02:20,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-03-04 06:02:20,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:02:30,923 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 365 transitions and produced 296 states. [2022-03-04 06:02:30,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:02:30,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-04 06:02:30,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-04 06:02:30,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 06:02:30,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-04 06:02:30,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-04 06:02:30,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-03-04 06:02:30,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 06:02:30,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-03-04 06:02:30,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-04 06:02:30,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-03-04 06:02:31,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-04 06:02:31,125 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:02:31,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:02:31,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1236206562, now seen corresponding path program 11 times [2022-03-04 06:02:31,125 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:02:31,125 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588292842] [2022-03-04 06:02:31,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:02:31,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:02:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:02:32,734 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:02:32,734 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:02:32,734 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588292842] [2022-03-04 06:02:32,734 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588292842] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:02:32,734 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837243181] [2022-03-04 06:02:32,734 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 06:02:32,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:02:32,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:02:32,736 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:02:32,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-04 06:02:32,785 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2022-03-04 06:02:32,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:02:32,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 86 conjunts are in the unsatisfiable core [2022-03-04 06:02:32,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:02:38,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:02:38,918 INFO L244 Elim1Store]: Index analysis took 180 ms [2022-03-04 06:02:39,396 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 06:02:39,397 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 135 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 55 case distinctions, treesize of input 122 treesize of output 684 [2022-03-04 06:03:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:03:19,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:03:51,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,647 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,652 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,665 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,668 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,691 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,695 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,699 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,705 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,709 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,710 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,714 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,715 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,716 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,718 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,719 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,720 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,723 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,724 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,726 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:51,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:03:52,210 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 06:03:52,211 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 135 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 55 case distinctions, treesize of input 131 treesize of output 693 [2022-03-04 06:04:17,935 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:04:17,935 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837243181] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:04:17,935 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:04:17,936 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 49, 49] total 138 [2022-03-04 06:04:17,936 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593664570] [2022-03-04 06:04:17,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:04:17,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 138 states [2022-03-04 06:04:17,936 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:04:17,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2022-03-04 06:04:17,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2797, Invalid=16101, Unknown=8, NotChecked=0, Total=18906 [2022-03-04 06:04:17,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:04:17,938 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:04:17,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 138 states, 138 states have (on average 1.6956521739130435) internal successors, (234), 138 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 06:04:17,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:04:17,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-03-04 06:04:17,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-03-04 06:04:17,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-03-04 06:04:17,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-03-04 06:04:17,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-03-04 06:04:17,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2022-03-04 06:04:17,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-03-04 06:04:17,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-03-04 06:04:17,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2022-03-04 06:04:17,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:04:32,227 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 456 transitions and produced 359 states. [2022-03-04 06:04:32,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 06:04:32,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-04 06:04:32,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-04 06:04:32,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 06:04:32,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-04 06:04:32,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-04 06:04:32,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-03-04 06:04:32,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-04 06:04:32,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-03-04 06:04:32,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-03-04 06:04:32,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-03-04 06:04:32,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-04 06:04:32,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-03-04 06:04:32,439 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:04:32,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:04:32,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1443174487, now seen corresponding path program 12 times [2022-03-04 06:04:32,440 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:04:32,440 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028695235] [2022-03-04 06:04:32,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:04:32,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:04:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:04:34,985 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 9 proven. 577 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:04:34,985 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:04:34,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028695235] [2022-03-04 06:04:34,985 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028695235] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:04:34,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928181410] [2022-03-04 06:04:34,985 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 06:04:34,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:04:34,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:04:34,986 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:04:34,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-04 06:04:35,034 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2022-03-04 06:04:35,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:04:35,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 102 conjunts are in the unsatisfiable core [2022-03-04 06:04:35,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:04:42,104 INFO L353 Elim1Store]: treesize reduction 770, result has 0.1 percent of original size [2022-03-04 06:04:42,105 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 146 treesize of output 54 [2022-03-04 06:04:42,284 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 9 proven. 577 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:04:42,284 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:04:57,235 WARN L228 SmtUtils]: Spent 8.18s on a formula simplification. DAG size of input: 1164 DAG size of output: 636 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-04 06:04:57,237 INFO L353 Elim1Store]: treesize reduction 1804, result has 44.0 percent of original size [2022-03-04 06:04:57,238 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 157 treesize of output 1481 Received shutdown request... [2022-03-04 06:06:26,821 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-04 06:06:26,822 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-04 06:06:26,832 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 06:06:26,832 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 06:06:26,834 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 06:06:26,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-03-04 06:06:27,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-03-04 06:06:27,027 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 104 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 8ms.. [2022-03-04 06:06:27,029 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-04 06:06:27,029 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-04 06:06:27,029 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-04 06:06:27,032 INFO L732 BasicCegarLoop]: Path program histogram: [12] [2022-03-04 06:06:27,034 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 06:06:27,034 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 06:06:27,037 INFO L202 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:06:27 BasicIcfg [2022-03-04 06:06:27,037 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 06:06:27,037 INFO L158 Benchmark]: Toolchain (without parser) took 797212.81ms. Allocated memory was 206.6MB in the beginning and 580.9MB in the end (delta: 374.3MB). Free memory was 171.3MB in the beginning and 332.1MB in the end (delta: -160.7MB). Peak memory consumption was 421.2MB. Max. memory is 8.0GB. [2022-03-04 06:06:27,037 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 206.6MB. Free memory is still 172.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 06:06:27,037 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.60ms. Allocated memory is still 206.6MB. Free memory was 171.2MB in the beginning and 169.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:06:27,038 INFO L158 Benchmark]: Boogie Preprocessor took 12.12ms. Allocated memory is still 206.6MB. Free memory was 169.6MB in the beginning and 168.8MB in the end (delta: 862.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:06:27,038 INFO L158 Benchmark]: RCFGBuilder took 215.43ms. Allocated memory is still 206.6MB. Free memory was 168.6MB in the beginning and 159.2MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 06:06:27,040 INFO L158 Benchmark]: TraceAbstraction took 796963.33ms. Allocated memory was 206.6MB in the beginning and 580.9MB in the end (delta: 374.3MB). Free memory was 158.8MB in the beginning and 332.1MB in the end (delta: -173.3MB). Peak memory consumption was 408.7MB. Max. memory is 8.0GB. [2022-03-04 06:06:27,040 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 0.11ms. Allocated memory is still 206.6MB. Free memory is still 172.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 17.60ms. Allocated memory is still 206.6MB. Free memory was 171.2MB in the beginning and 169.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.12ms. Allocated memory is still 206.6MB. Free memory was 169.6MB in the beginning and 168.8MB in the end (delta: 862.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 215.43ms. Allocated memory is still 206.6MB. Free memory was 168.6MB in the beginning and 159.2MB in the end (delta: 9.5MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 796963.33ms. Allocated memory was 206.6MB in the beginning and 580.9MB in the end (delta: 374.3MB). Free memory was 158.8MB in the beginning and 332.1MB in the end (delta: -173.3MB). Peak memory consumption was 408.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 104 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 8ms.. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 104 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 8ms.. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 104 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 8ms.. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 104 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 8ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 796.8s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 59.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 611, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 619.6s InterpolantComputationTime, 1551 NumberOfCodeBlocks, 1551 NumberOfCodeBlocksAsserted, 72 NumberOfCheckSat, 2238 ConstructedInterpolants, 35 QuantifiedInterpolants, 62760 SizeOfPredicates, 139 NumberOfNonLiveVariables, 1828 ConjunctsInSsa, 534 ConjunctsInUnsatCore, 31 InterpolantComputations, 1 PerfectInterpolantSequences, 2059/8267 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown