/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/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line1432.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-03 15:31:48,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 15:31:48,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 15:31:48,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 15:31:48,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 15:31:48,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 15:31:48,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 15:31:48,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 15:31:48,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 15:31:48,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 15:31:48,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 15:31:48,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 15:31:48,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 15:31:48,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 15:31:48,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 15:31:48,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 15:31:48,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 15:31:48,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 15:31:48,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 15:31:48,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 15:31:48,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 15:31:48,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 15:31:48,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 15:31:48,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 15:31:48,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-03 15:31:48,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 15:31:48,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 15:31:48,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 15:31:48,507 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 15:31:48,537 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 15:31:48,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 15:31:48,538 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 15:31:48,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 15:31:48,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 15:31:48,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 15:31:48,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 15:31:48,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 15:31:48,539 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 15:31:48,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 15:31:48,540 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 15:31:48,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 15:31:48,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 15:31:48,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 15:31:48,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 15:31:48,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 15:31:48,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 15:31:48,541 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 15:31:48,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 15:31:48,541 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 15:31:48,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 15:31:48,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 15:31:48,542 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 15:31:48,543 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 15:31:48,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 15:31:48,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 15:31:48,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 15:31:48,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 15:31:48,543 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 15:31:48,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 15:31:48,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 15:31:48,544 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 15:31:48,544 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 15:31:48,544 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 15:31:48,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 15:31:48,544 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 15:31:48,544 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 15:31:48,544 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 15:31:48,545 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 15:31:48,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 15:31:48,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 15:31:48,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 15:31:48,753 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 15:31:48,754 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 15:31:48,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line1432.bpl [2022-10-03 15:31:48,756 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line1432.bpl' [2022-10-03 15:31:48,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 15:31:48,843 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 15:31:48,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 15:31:48,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 15:31:48,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 15:31:48,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line1432.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:31:48" (1/1) ... [2022-10-03 15:31:48,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line1432.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:31:48" (1/1) ... [2022-10-03 15:31:48,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1432.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:31:48" (1/1) ... [2022-10-03 15:31:48,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1432.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:31:48" (1/1) ... [2022-10-03 15:31:48,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line1432.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:31:48" (1/1) ... [2022-10-03 15:31:48,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line1432.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:31:48" (1/1) ... [2022-10-03 15:31:48,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line1432.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:31:48" (1/1) ... [2022-10-03 15:31:48,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 15:31:48,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 15:31:48,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 15:31:48,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 15:31:48,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line1432.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:31:48" (1/1) ... [2022-10-03 15:31:49,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 15:31:49,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:31:49,024 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) [2022-10-03 15:31:49,046 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 [2022-10-03 15:31:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-03 15:31:49,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-03 15:31:49,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 15:31:49,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 15:31:49,070 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-03 15:31:49,205 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 15:31:49,206 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 15:31:50,303 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 15:31:50,334 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 15:31:50,335 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-03 15:31:50,339 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1432.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:31:50 BoogieIcfgContainer [2022-10-03 15:31:50,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 15:31:50,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 15:31:50,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 15:31:50,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 15:31:50,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1432.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:31:48" (1/2) ... [2022-10-03 15:31:50,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3964ed54 and model type divinefifo_1w1r.line1432.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 03:31:50, skipping insertion in model container [2022-10-03 15:31:50,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1432.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:31:50" (2/2) ... [2022-10-03 15:31:50,350 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line1432.bpl [2022-10-03 15:31:50,357 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 15:31:50,367 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 15:31:50,367 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 15:31:50,367 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 15:31:50,512 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-03 15:31:50,591 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 15:31:50,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 15:31:50,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:31:50,594 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) [2022-10-03 15:31:50,595 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 [2022-10-03 15:31:50,629 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 15:31:50,640 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 15:31:50,646 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@49660e03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 15:31:50,646 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 15:31:51,126 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:31:51,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:31:51,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1956131704, now seen corresponding path program 1 times [2022-10-03 15:31:51,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:31:51,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947463638] [2022-10-03 15:31:51,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:31:51,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:31:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:31:51,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:31:51,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:31:51,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947463638] [2022-10-03 15:31:51,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947463638] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:31:51,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:31:51,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-03 15:31:51,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055876422] [2022-10-03 15:31:51,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:31:51,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-03 15:31:51,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:31:51,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-03 15:31:51,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-03 15:31:51,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:31:51,833 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:31:51,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 307.0) internal successors, (614), 2 states have internal predecessors, (614), 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) [2022-10-03 15:31:51,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:31:52,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:31:52,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 15:31:52,120 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:31:52,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:31:52,123 INFO L85 PathProgramCache]: Analyzing trace with hash 707827245, now seen corresponding path program 1 times [2022-10-03 15:31:52,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:31:52,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642093300] [2022-10-03 15:31:52,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:31:52,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:31:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:31:57,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:31:57,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:31:57,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642093300] [2022-10-03 15:31:57,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642093300] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:31:57,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:31:57,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [71] imperfect sequences [] total 71 [2022-10-03 15:31:57,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781023504] [2022-10-03 15:31:57,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:31:57,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-10-03 15:31:57,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:31:57,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-10-03 15:31:57,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=4737, Unknown=0, NotChecked=0, Total=4970 [2022-10-03 15:31:57,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:31:57,331 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:31:57,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 9.577464788732394) internal successors, (680), 71 states have internal predecessors, (680), 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) [2022-10-03 15:31:57,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:31:57,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:32:27,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:32:27,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-10-03 15:32:27,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-03 15:32:27,175 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:32:27,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:32:27,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1346568322, now seen corresponding path program 1 times [2022-10-03 15:32:27,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:32:27,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90108430] [2022-10-03 15:32:27,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:32:27,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:32:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:32:29,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:32:29,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:32:29,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90108430] [2022-10-03 15:32:29,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90108430] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:32:29,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:32:29,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [62] imperfect sequences [] total 62 [2022-10-03 15:32:29,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211337409] [2022-10-03 15:32:29,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:32:29,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-10-03 15:32:29,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:32:29,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-10-03 15:32:29,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=3720, Unknown=0, NotChecked=0, Total=3906 [2022-10-03 15:32:29,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:32:29,723 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:32:29,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 62 states have (on average 10.048387096774194) internal successors, (623), 63 states have internal predecessors, (623), 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) [2022-10-03 15:32:29,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:32:29,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-10-03 15:32:29,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:32:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:32:49,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-10-03 15:32:49,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-10-03 15:32:49,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-03 15:32:49,399 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:32:49,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:32:49,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1294784184, now seen corresponding path program 1 times [2022-10-03 15:32:49,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:32:49,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119356666] [2022-10-03 15:32:49,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:32:49,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:32:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:32:54,829 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:32:54,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:32:54,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119356666] [2022-10-03 15:32:54,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119356666] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:32:54,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:32:54,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [96] imperfect sequences [] total 96 [2022-10-03 15:32:54,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823672319] [2022-10-03 15:32:54,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:32:54,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-10-03 15:32:54,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:32:54,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-10-03 15:32:54,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=8798, Unknown=0, NotChecked=0, Total=9120 [2022-10-03 15:32:54,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:32:54,836 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:32:54,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 9.46875) internal successors, (909), 96 states have internal predecessors, (909), 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) [2022-10-03 15:32:54,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:32:54,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-10-03 15:32:54,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-10-03 15:32:54,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:33:28,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:33:28,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-10-03 15:33:28,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-10-03 15:33:28,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-10-03 15:33:28,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-03 15:33:28,949 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:33:28,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:33:28,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1301900344, now seen corresponding path program 1 times [2022-10-03 15:33:28,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:33:28,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295063588] [2022-10-03 15:33:28,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:33:28,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:33:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:33:32,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:33:32,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:33:32,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295063588] [2022-10-03 15:33:32,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295063588] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:33:32,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:33:32,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [75] imperfect sequences [] total 75 [2022-10-03 15:33:32,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283840685] [2022-10-03 15:33:32,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:33:32,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-10-03 15:33:32,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:33:32,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-10-03 15:33:32,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=5315, Unknown=0, NotChecked=0, Total=5550 [2022-10-03 15:33:32,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:33:32,021 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:33:32,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 8.88) internal successors, (666), 75 states have internal predecessors, (666), 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) [2022-10-03 15:33:32,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:33:32,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-10-03 15:33:32,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-10-03 15:33:32,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-10-03 15:33:32,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:33:56,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:33:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-10-03 15:33:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2022-10-03 15:33:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2022-10-03 15:33:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-10-03 15:33:56,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-03 15:33:56,583 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:33:56,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:33:56,584 INFO L85 PathProgramCache]: Analyzing trace with hash -256150836, now seen corresponding path program 1 times [2022-10-03 15:33:56,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:33:56,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944388356] [2022-10-03 15:33:56,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:33:56,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:33:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:34:00,845 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:34:00,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:34:00,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944388356] [2022-10-03 15:34:00,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944388356] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:34:00,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:34:00,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [81] imperfect sequences [] total 81 [2022-10-03 15:34:00,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757653547] [2022-10-03 15:34:00,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:34:00,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2022-10-03 15:34:00,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:34:00,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2022-10-03 15:34:00,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=6233, Unknown=0, NotChecked=0, Total=6480 [2022-10-03 15:34:00,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:34:00,851 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:34:00,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 10.271604938271604) internal successors, (832), 81 states have internal predecessors, (832), 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) [2022-10-03 15:34:00,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:34:00,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-10-03 15:34:00,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2022-10-03 15:34:00,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2022-10-03 15:34:00,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-10-03 15:34:00,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:34:39,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:34:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-10-03 15:34:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-10-03 15:34:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2022-10-03 15:34:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-10-03 15:34:39,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-10-03 15:34:39,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-03 15:34:39,528 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:34:39,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:34:39,529 INFO L85 PathProgramCache]: Analyzing trace with hash -735164733, now seen corresponding path program 1 times [2022-10-03 15:34:39,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:34:39,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706848858] [2022-10-03 15:34:39,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:34:39,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:34:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:34:43,977 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 157 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:34:43,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:34:43,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706848858] [2022-10-03 15:34:43,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706848858] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 15:34:43,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707478266] [2022-10-03 15:34:43,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:34:43,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:34:43,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:34:43,985 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) [2022-10-03 15:34:43,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-03 15:34:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:34:44,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 2567 conjuncts, 198 conjunts are in the unsatisfiable core [2022-10-03 15:34:44,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 15:34:45,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-10-03 15:34:45,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:34:45,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-10-03 15:34:47,056 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-03 15:34:47,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-10-03 15:34:47,653 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-10-03 15:34:50,110 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-10-03 15:34:50,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:34:50,891 INFO L356 Elim1Store]: treesize reduction 80, result has 17.5 percent of original size [2022-10-03 15:34:50,892 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 29 treesize of output 27 [2022-10-03 15:34:54,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 15:34:54,761 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2022-10-03 15:34:55,074 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-10-03 15:34:56,538 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 15:34:56,538 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 12 [2022-10-03 15:34:56,769 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 250 proven. 86 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-03 15:34:56,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 15:34:58,495 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2022-10-03 15:35:02,285 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_462 (Array Int Int))) (let ((.cse0 (select (store |c_ULTIMATE.start_write~int_old_#memory_$Pointer$#1.base| |c_ULTIMATE.start_write~int_#ptr#1.base| v_ArrVal_462) |c_ULTIMATE.start_main_~#q~1#1.base|))) (= (select .cse0 |c_ULTIMATE.start_main_~#q~1#1.offset|) (select .cse0 (+ 4 |c_ULTIMATE.start_main_~#q~1#1.offset|))))) is different from false [2022-10-03 15:35:02,294 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_462 (Array Int Int))) (let ((.cse0 (select (store |c_ULTIMATE.start_write~int_old_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~#p~0#1.base| v_ArrVal_462) |c_ULTIMATE.start_main_~#q~1#1.base|))) (= (select .cse0 (+ 4 |c_ULTIMATE.start_main_~#q~1#1.offset|)) (select .cse0 |c_ULTIMATE.start_main_~#q~1#1.offset|)))) is different from false [2022-10-03 15:35:02,304 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_462 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#p~0#1.base| v_ArrVal_462) |c_ULTIMATE.start_main_~#q~1#1.base|))) (= (select .cse0 (+ 4 |c_ULTIMATE.start_main_~#q~1#1.offset|)) (select .cse0 |c_ULTIMATE.start_main_~#q~1#1.offset|)))) is different from false [2022-10-03 15:35:02,317 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_462 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_462) |c_ULTIMATE.start_main_~#q~1#1.base|))) (= (select .cse0 (+ 4 |c_ULTIMATE.start_main_~#q~1#1.offset|)) (select .cse0 |c_ULTIMATE.start_main_~#q~1#1.offset|)))) is different from false [2022-10-03 15:35:04,196 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-10-03 15:35:04,197 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-10-03 15:35:04,852 INFO L356 Elim1Store]: treesize reduction 15, result has 64.3 percent of original size [2022-10-03 15:35:04,852 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 46 [2022-10-03 15:35:04,885 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 15:35:04,886 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 99 [2022-10-03 15:35:04,894 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-10-03 15:35:06,515 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 71 proven. 265 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-03 15:35:06,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707478266] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 15:35:06,516 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 15:35:06,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 64, 57] total 209 [2022-10-03 15:35:06,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334195846] [2022-10-03 15:35:06,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 15:35:06,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 209 states [2022-10-03 15:35:06,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:35:06,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 209 interpolants. [2022-10-03 15:35:06,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=874, Invalid=40880, Unknown=82, NotChecked=1636, Total=43472 [2022-10-03 15:35:06,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:35:06,531 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:35:06,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 209 states, 209 states have (on average 13.45933014354067) internal successors, (2813), 209 states have internal predecessors, (2813), 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) [2022-10-03 15:35:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:35:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2022-10-03 15:35:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2022-10-03 15:35:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2022-10-03 15:35:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-10-03 15:35:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-10-03 15:35:06,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:35:31,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:35:31,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-10-03 15:35:31,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-10-03 15:35:31,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2022-10-03 15:35:31,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-10-03 15:35:31,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2022-10-03 15:35:31,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-10-03 15:35:31,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-03 15:35:31,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-10-03 15:35:31,935 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:35:31,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:35:31,936 INFO L85 PathProgramCache]: Analyzing trace with hash -149689816, now seen corresponding path program 1 times [2022-10-03 15:35:31,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:35:31,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215169953] [2022-10-03 15:35:31,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:35:31,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:35:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:35:35,389 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 166 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-10-03 15:35:35,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:35:35,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215169953] [2022-10-03 15:35:35,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215169953] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 15:35:35,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63725835] [2022-10-03 15:35:35,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:35:35,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:35:35,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:35:35,396 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) [2022-10-03 15:35:35,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-03 15:35:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:35:35,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 2417 conjuncts, 232 conjunts are in the unsatisfiable core [2022-10-03 15:35:35,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 15:35:36,866 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-10-03 15:35:37,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:35:37,242 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-10-03 15:35:37,255 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-03 15:35:41,216 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-03 15:35:41,216 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-10-03 15:35:41,946 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-10-03 15:35:41,946 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 70 [2022-10-03 15:35:41,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:35:41,954 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-10-03 15:35:41,954 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 74 [2022-10-03 15:35:45,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 15:35:45,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:35:45,469 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 15:35:45,470 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 123 treesize of output 66 [2022-10-03 15:35:45,483 INFO L356 Elim1Store]: treesize reduction 49, result has 14.0 percent of original size [2022-10-03 15:35:45,484 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 64 treesize of output 32 [2022-10-03 15:35:45,932 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2022-10-03 15:35:45,933 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-03 15:35:45,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63725835] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:35:45,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-03 15:35:45,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [74] imperfect sequences [74] total 147 [2022-10-03 15:35:45,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168999091] [2022-10-03 15:35:45,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:35:45,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2022-10-03 15:35:45,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:35:45,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2022-10-03 15:35:45,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=547, Invalid=20915, Unknown=0, NotChecked=0, Total=21462 [2022-10-03 15:35:45,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:35:45,938 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:35:45,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 11.027027027027026) internal successors, (816), 74 states have internal predecessors, (816), 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) [2022-10-03 15:35:45,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:35:45,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2022-10-03 15:35:45,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2022-10-03 15:35:45,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2022-10-03 15:35:45,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-10-03 15:35:45,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2022-10-03 15:35:45,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-10-03 15:35:45,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:36:47,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:36:47,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-10-03 15:36:47,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-10-03 15:36:47,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2022-10-03 15:36:47,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-10-03 15:36:47,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2022-10-03 15:36:47,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-10-03 15:36:47,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2022-10-03 15:36:47,205 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-03 15:36:47,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:36:47,387 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:36:47,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:36:47,387 INFO L85 PathProgramCache]: Analyzing trace with hash -626997923, now seen corresponding path program 1 times [2022-10-03 15:36:47,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:36:47,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799014779] [2022-10-03 15:36:47,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:36:47,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:36:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:36:50,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:36:50,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:36:50,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799014779] [2022-10-03 15:36:50,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799014779] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:36:50,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:36:50,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [74] imperfect sequences [] total 74 [2022-10-03 15:36:50,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220023282] [2022-10-03 15:36:50,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:36:50,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2022-10-03 15:36:50,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:36:50,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2022-10-03 15:36:50,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=5152, Unknown=0, NotChecked=0, Total=5402 [2022-10-03 15:36:50,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:36:50,865 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:36:50,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 10.027027027027026) internal successors, (742), 74 states have internal predecessors, (742), 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) [2022-10-03 15:36:50,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:36:50,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-10-03 15:36:50,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2022-10-03 15:36:50,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2022-10-03 15:36:50,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-10-03 15:36:50,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2022-10-03 15:36:50,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-10-03 15:36:50,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2022-10-03 15:36:50,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:37:12,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:37:12,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-10-03 15:37:12,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-10-03 15:37:12,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2022-10-03 15:37:12,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-10-03 15:37:12,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2022-10-03 15:37:12,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-10-03 15:37:12,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2022-10-03 15:37:12,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-10-03 15:37:12,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-03 15:37:12,529 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:37:12,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:37:12,529 INFO L85 PathProgramCache]: Analyzing trace with hash -7154335, now seen corresponding path program 1 times [2022-10-03 15:37:12,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:37:12,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722977645] [2022-10-03 15:37:12,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:37:12,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:37:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:37:13,100 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:37:13,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:37:13,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722977645] [2022-10-03 15:37:13,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722977645] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:37:13,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:37:13,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-10-03 15:37:13,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044846081] [2022-10-03 15:37:13,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:37:13,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-10-03 15:37:13,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:37:13,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-10-03 15:37:13,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2022-10-03 15:37:13,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:37:13,104 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:37:13,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 46.19047619047619) internal successors, (970), 21 states have internal predecessors, (970), 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) [2022-10-03 15:37:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:37:13,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-10-03 15:37:13,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2022-10-03 15:37:13,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2022-10-03 15:37:13,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-10-03 15:37:13,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2022-10-03 15:37:13,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-10-03 15:37:13,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2022-10-03 15:37:13,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-10-03 15:37:13,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:37:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:37:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-10-03 15:37:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-10-03 15:37:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2022-10-03 15:37:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-10-03 15:37:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2022-10-03 15:37:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-10-03 15:37:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2022-10-03 15:37:38,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2022-10-03 15:37:38,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-03 15:37:38,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-03 15:37:38,079 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:37:38,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:37:38,079 INFO L85 PathProgramCache]: Analyzing trace with hash 197164196, now seen corresponding path program 1 times [2022-10-03 15:37:38,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:37:38,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467662868] [2022-10-03 15:37:38,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:37:38,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:37:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:37:41,731 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 286 proven. 307 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-10-03 15:37:41,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:37:41,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467662868] [2022-10-03 15:37:41,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467662868] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 15:37:41,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167315032] [2022-10-03 15:37:41,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:37:41,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:37:41,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:37:41,734 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) [2022-10-03 15:37:41,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-03 15:37:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:37:42,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 3520 conjuncts, 188 conjunts are in the unsatisfiable core [2022-10-03 15:37:42,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 15:37:46,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:37:46,455 INFO L356 Elim1Store]: treesize reduction 104, result has 14.0 percent of original size [2022-10-03 15:37:46,455 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 86 treesize of output 59 [2022-10-03 15:37:46,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:37:46,497 INFO L356 Elim1Store]: treesize reduction 48, result has 61.6 percent of original size [2022-10-03 15:37:46,497 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 96 [2022-10-03 15:37:49,711 INFO L356 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-10-03 15:37:49,711 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 33 [2022-10-03 15:37:49,728 INFO L356 Elim1Store]: treesize reduction 6, result has 76.0 percent of original size [2022-10-03 15:37:49,728 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 39 [2022-10-03 15:37:49,918 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 132 proven. 318 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2022-10-03 15:37:49,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 15:38:59,409 INFO L356 Elim1Store]: treesize reduction 76, result has 90.7 percent of original size [2022-10-03 15:38:59,410 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 19 new quantified variables, introduced 66 case distinctions, treesize of input 1802 treesize of output 1833 [2022-10-03 15:39:05,079 WARN L233 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 431 DAG size of output: 390 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-10-03 15:39:05,080 INFO L356 Elim1Store]: treesize reduction 145, result has 87.4 percent of original size [2022-10-03 15:39:05,082 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 1 disjoint index pairs (out of 105 index pairs), introduced 20 new quantified variables, introduced 104 case distinctions, treesize of input 3676 treesize of output 3162 Received shutdown request... [2022-10-03 15:44:25,357 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-03 15:44:25,358 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 [2022-10-03 15:44:25,360 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 [2022-10-03 15:44:25,367 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-10-03 15:44:25,370 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 15:44:25,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-03 15:44:25,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:44:25,593 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1433 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 22ms.. [2022-10-03 15:44:25,599 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-03 15:44:25,600 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-10-03 15:44:25,605 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-03 15:44:25,605 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-03 15:44:25,607 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1432.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 03:44:25 BasicIcfg [2022-10-03 15:44:25,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-03 15:44:25,608 INFO L158 Benchmark]: Toolchain (without parser) took 756764.69ms. Allocated memory was 189.8MB in the beginning and 835.7MB in the end (delta: 645.9MB). Free memory was 141.0MB in the beginning and 145.7MB in the end (delta: -4.7MB). Peak memory consumption was 700.7MB. Max. memory is 8.0GB. [2022-10-03 15:44:25,608 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 189.8MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-03 15:44:25,608 INFO L158 Benchmark]: Boogie Preprocessor took 142.56ms. Allocated memory is still 189.8MB. Free memory was 140.9MB in the beginning and 162.3MB in the end (delta: -21.4MB). Peak memory consumption was 16.2MB. Max. memory is 8.0GB. [2022-10-03 15:44:25,608 INFO L158 Benchmark]: RCFGBuilder took 1343.76ms. Allocated memory is still 189.8MB. Free memory was 162.3MB in the beginning and 136.2MB in the end (delta: 26.1MB). Peak memory consumption was 57.1MB. Max. memory is 8.0GB. [2022-10-03 15:44:25,609 INFO L158 Benchmark]: TraceAbstraction took 755265.78ms. Allocated memory was 189.8MB in the beginning and 835.7MB in the end (delta: 645.9MB). Free memory was 135.7MB in the beginning and 145.7MB in the end (delta: -10.1MB). Peak memory consumption was 694.6MB. Max. memory is 8.0GB. [2022-10-03 15:44:25,613 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 0.15ms. Allocated memory is still 189.8MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 142.56ms. Allocated memory is still 189.8MB. Free memory was 140.9MB in the beginning and 162.3MB in the end (delta: -21.4MB). Peak memory consumption was 16.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1343.76ms. Allocated memory is still 189.8MB. Free memory was 162.3MB in the beginning and 136.2MB in the end (delta: 26.1MB). Peak memory consumption was 57.1MB. Max. memory is 8.0GB. * TraceAbstraction took 755265.78ms. Allocated memory was 189.8MB in the beginning and 835.7MB in the end (delta: 645.9MB). Free memory was 135.7MB in the beginning and 145.7MB in the end (delta: -10.1MB). Peak memory consumption was 694.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 408, positive: 395, positive conditional: 395, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 64965, positive: 63015, positive conditional: 63015, positive unconditional: 0, negative: 1950, negative conditional: 1950, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63033, positive: 63015, positive conditional: 0, positive unconditional: 63015, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9985, positive: 9976, positive conditional: 0, positive unconditional: 9976, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 63033, positive: 53039, positive conditional: 0, positive unconditional: 53039, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 9985, unknown conditional: 0, unknown unconditional: 9985] , Statistics on independence cache: Total cache size (in pairs): 395, Positive cache size: 395, Positive conditional cache size: 0, Positive unconditional cache size: 395, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 13, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1223, positive: 1187, positive conditional: 1187, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 64965, positive: 63015, positive conditional: 63015, positive unconditional: 0, negative: 1950, negative conditional: 1950, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63033, positive: 63015, positive conditional: 0, positive unconditional: 63015, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9985, positive: 9976, positive conditional: 0, positive unconditional: 9976, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 63033, positive: 53039, positive conditional: 0, positive unconditional: 53039, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 9985, unknown conditional: 0, unknown unconditional: 9985] , Statistics on independence cache: Total cache size (in pairs): 1189, Positive cache size: 1189, Positive conditional cache size: 0, Positive unconditional cache size: 1189, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 49, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1683, positive: 1626, positive conditional: 1626, positive unconditional: 0, negative: 57, negative conditional: 57, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 64965, positive: 63015, positive conditional: 63015, positive unconditional: 0, negative: 1950, negative conditional: 1950, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63033, positive: 63015, positive conditional: 0, positive unconditional: 63015, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9985, positive: 9976, positive conditional: 0, positive unconditional: 9976, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 63033, positive: 53039, positive conditional: 0, positive unconditional: 53039, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 9985, unknown conditional: 0, unknown unconditional: 9985] , Statistics on independence cache: Total cache size (in pairs): 1568, Positive cache size: 1568, Positive conditional cache size: 0, Positive unconditional cache size: 1568, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 106, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2780, positive: 2690, positive conditional: 2690, positive unconditional: 0, negative: 90, negative conditional: 90, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 64965, positive: 63015, positive conditional: 63015, positive unconditional: 0, negative: 1950, negative conditional: 1950, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63033, positive: 63015, positive conditional: 0, positive unconditional: 63015, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9985, positive: 9976, positive conditional: 0, positive unconditional: 9976, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 63033, positive: 53039, positive conditional: 0, positive unconditional: 53039, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 9985, unknown conditional: 0, unknown unconditional: 9985] , Statistics on independence cache: Total cache size (in pairs): 2198, Positive cache size: 2198, Positive conditional cache size: 0, Positive unconditional cache size: 2198, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 196, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1784, positive: 1720, positive conditional: 1720, positive unconditional: 0, negative: 64, negative conditional: 64, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 64965, positive: 63015, positive conditional: 63015, positive unconditional: 0, negative: 1950, negative conditional: 1950, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63033, positive: 63015, positive conditional: 0, positive unconditional: 63015, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9985, positive: 9976, positive conditional: 0, positive unconditional: 9976, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 63033, positive: 53039, positive conditional: 0, positive unconditional: 53039, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 9985, unknown conditional: 0, unknown unconditional: 9985] , Statistics on independence cache: Total cache size (in pairs): 2311, Positive cache size: 2309, Positive conditional cache size: 0, Positive unconditional cache size: 2309, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 258, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2371, positive: 2294, positive conditional: 2294, positive unconditional: 0, negative: 77, negative conditional: 77, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 64965, positive: 63015, positive conditional: 63015, positive unconditional: 0, negative: 1950, negative conditional: 1950, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63033, positive: 63015, positive conditional: 0, positive unconditional: 63015, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9985, positive: 9976, positive conditional: 0, positive unconditional: 9976, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 63033, positive: 53039, positive conditional: 0, positive unconditional: 53039, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 9985, unknown conditional: 0, unknown unconditional: 9985] , Statistics on independence cache: Total cache size (in pairs): 2314, Positive cache size: 2312, Positive conditional cache size: 0, Positive unconditional cache size: 2312, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 335, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3878, positive: 3750, positive conditional: 3750, positive unconditional: 0, negative: 128, negative conditional: 128, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 64965, positive: 63015, positive conditional: 63015, positive unconditional: 0, negative: 1950, negative conditional: 1950, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63033, positive: 63015, positive conditional: 0, positive unconditional: 63015, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9985, positive: 9976, positive conditional: 0, positive unconditional: 9976, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 63033, positive: 53039, positive conditional: 0, positive unconditional: 53039, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 9985, unknown conditional: 0, unknown unconditional: 9985] , Statistics on independence cache: Total cache size (in pairs): 2618, Positive cache size: 2616, Positive conditional cache size: 0, Positive unconditional cache size: 2616, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 463, Statistics for Abstraction: - StatisticsResult: Independence relation #8 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3373, positive: 3258, positive conditional: 3258, positive unconditional: 0, negative: 115, negative conditional: 115, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 64965, positive: 63015, positive conditional: 63015, positive unconditional: 0, negative: 1950, negative conditional: 1950, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63033, positive: 63015, positive conditional: 0, positive unconditional: 63015, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9985, positive: 9976, positive conditional: 0, positive unconditional: 9976, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 63033, positive: 53039, positive conditional: 0, positive unconditional: 53039, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 9985, unknown conditional: 0, unknown unconditional: 9985] , Statistics on independence cache: Total cache size (in pairs): 2655, Positive cache size: 2653, Positive conditional cache size: 0, Positive unconditional cache size: 2653, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 578, Statistics for Abstraction: - StatisticsResult: Independence relation #9 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 8246, positive: 7983, positive conditional: 7983, positive unconditional: 0, negative: 263, negative conditional: 263, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 64965, positive: 63015, positive conditional: 63015, positive unconditional: 0, negative: 1950, negative conditional: 1950, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63033, positive: 63015, positive conditional: 0, positive unconditional: 63015, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9985, positive: 9976, positive conditional: 0, positive unconditional: 9976, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 63033, positive: 53039, positive conditional: 0, positive unconditional: 53039, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 9985, unknown conditional: 0, unknown unconditional: 9985] , Statistics on independence cache: Total cache size (in pairs): 5769, Positive cache size: 5764, Positive conditional cache size: 0, Positive unconditional cache size: 5764, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Independence queries for same thread: 838, Statistics for Abstraction: - StatisticsResult: Independence relation #10 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 12978, positive: 12587, positive conditional: 12587, positive unconditional: 0, negative: 391, negative conditional: 391, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 64965, positive: 63015, positive conditional: 63015, positive unconditional: 0, negative: 1950, negative conditional: 1950, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63033, positive: 63015, positive conditional: 0, positive unconditional: 63015, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9985, positive: 9976, positive conditional: 0, positive unconditional: 9976, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 63033, positive: 53039, positive conditional: 0, positive unconditional: 53039, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 9985, unknown conditional: 0, unknown unconditional: 9985] , Statistics on independence cache: Total cache size (in pairs): 6037, Positive cache size: 6031, Positive conditional cache size: 0, Positive unconditional cache size: 6031, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Independence queries for same thread: 1224, Statistics for Abstraction: - StatisticsResult: Independence relation #11 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 26241, positive: 25525, positive conditional: 25525, positive unconditional: 0, negative: 716, negative conditional: 716, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 64965, positive: 63015, positive conditional: 63015, positive unconditional: 0, negative: 1950, negative conditional: 1950, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63033, positive: 63015, positive conditional: 0, positive unconditional: 63015, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9985, positive: 9976, positive conditional: 0, positive unconditional: 9976, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 63033, positive: 53039, positive conditional: 0, positive unconditional: 53039, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 9985, unknown conditional: 0, unknown unconditional: 9985] , Statistics on independence cache: Total cache size (in pairs): 9985, Positive cache size: 9976, Positive conditional cache size: 0, Positive unconditional cache size: 9976, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Independence queries for same thread: 1932, Statistics for Abstraction: - TimeoutResultAtElement [Line: 1432]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1433 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 22ms.. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 1438 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 755.0s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 280.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1172, 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: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 63.3s InterpolantComputationTime, 10154 NumberOfCodeBlocks, 10154 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 11199 ConstructedInterpolants, 1026 QuantifiedInterpolants, 227066 SizeOfPredicates, 246 NumberOfNonLiveVariables, 4984 ConjunctsInSsa, 430 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 1432/2131 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