/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.line1184.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-03 15:15:53,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 15:15:53,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 15:15:53,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 15:15:53,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 15:15:53,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 15:15:53,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 15:15:53,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 15:15:53,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 15:15:53,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 15:15:53,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 15:15:53,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 15:15:53,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 15:15:53,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 15:15:53,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 15:15:53,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 15:15:53,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 15:15:53,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 15:15:53,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 15:15:53,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 15:15:53,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 15:15:53,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 15:15:53,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 15:15:53,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 15:15:53,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-03 15:15:53,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 15:15:53,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 15:15:53,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 15:15:53,223 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 15:15:53,240 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 15:15:53,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 15:15:53,241 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 15:15:53,241 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 15:15:53,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 15:15:53,242 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 15:15:53,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 15:15:53,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 15:15:53,243 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 15:15:53,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 15:15:53,243 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 15:15:53,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 15:15:53,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 15:15:53,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 15:15:53,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 15:15:53,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 15:15:53,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 15:15:53,245 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 15:15:53,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 15:15:53,245 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 15:15:53,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 15:15:53,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 15:15:53,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 15:15:53,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 15:15:53,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 15:15:53,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 15:15:53,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 15:15:53,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 15:15:53,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 15:15:53,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 15:15:53,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 15:15:53,247 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 15:15:53,247 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 15:15:53,247 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 15:15:53,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 15:15:53,248 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 15:15:53,248 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 15:15:53,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 15:15:53,248 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 15:15:53,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 15:15:53,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 15:15:53,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 15:15:53,491 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 15:15:53,495 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 15:15:53,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line1184.bpl [2022-10-03 15:15:53,496 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line1184.bpl' [2022-10-03 15:15:53,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 15:15:53,576 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 15:15:53,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 15:15:53,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 15:15:53,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 15:15:53,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line1184.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:15:53" (1/1) ... [2022-10-03 15:15:53,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line1184.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:15:53" (1/1) ... [2022-10-03 15:15:53,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1184.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:15:53" (1/1) ... [2022-10-03 15:15:53,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1184.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:15:53" (1/1) ... [2022-10-03 15:15:53,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line1184.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:15:53" (1/1) ... [2022-10-03 15:15:53,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line1184.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:15:53" (1/1) ... [2022-10-03 15:15:53,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line1184.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:15:53" (1/1) ... [2022-10-03 15:15:53,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 15:15:53,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 15:15:53,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 15:15:53,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 15:15:53,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line1184.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:15:53" (1/1) ... [2022-10-03 15:15:53,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 15:15:53,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:15:53,777 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 15:15:53,800 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 15:15:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-03 15:15:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-03 15:15:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 15:15:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 15:15:53,825 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 15:15:53,965 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 15:15:53,966 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 15:15:55,042 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 15:15:55,066 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 15:15:55,066 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-03 15:15:55,069 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1184.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:15:55 BoogieIcfgContainer [2022-10-03 15:15:55,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 15:15:55,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 15:15:55,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 15:15:55,077 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 15:15:55,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1184.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:15:53" (1/2) ... [2022-10-03 15:15:55,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@744746fd and model type divinefifo_1w1r.line1184.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 03:15:55, skipping insertion in model container [2022-10-03 15:15:55,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1184.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:15:55" (2/2) ... [2022-10-03 15:15:55,079 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line1184.bpl [2022-10-03 15:15:55,086 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 15:15:55,099 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 15:15:55,099 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 15:15:55,099 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 15:15:55,266 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-03 15:15:55,335 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 15:15:55,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 15:15:55,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:15:55,338 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 15:15:55,348 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 15:15:55,371 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 15:15:55,377 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 15:15:55,384 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;@92f148a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 15:15:55,384 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 15:15:55,772 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:15:55,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:15:55,777 INFO L85 PathProgramCache]: Analyzing trace with hash 690639902, now seen corresponding path program 1 times [2022-10-03 15:15:55,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:15:55,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724465693] [2022-10-03 15:15:55,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:15:55,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:15:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:15:56,281 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 15:15:56,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:15:56,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724465693] [2022-10-03 15:15:56,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724465693] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:15:56,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:15:56,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-03 15:15:56,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659275977] [2022-10-03 15:15:56,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:15:56,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-03 15:15:56,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:15:56,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-03 15:15:56,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-03 15:15:56,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:15:56,320 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:15:56,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 206.0) internal successors, (412), 2 states have internal predecessors, (412), 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 15:15:56,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:15:56,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:15:56,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 15:15:56,497 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:15:56,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:15:56,498 INFO L85 PathProgramCache]: Analyzing trace with hash -6948150, now seen corresponding path program 1 times [2022-10-03 15:15:56,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:15:56,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35633076] [2022-10-03 15:15:56,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:15:56,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:15:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:15:58,193 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 15:15:58,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:15:58,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35633076] [2022-10-03 15:15:58,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35633076] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:15:58,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:15:58,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2022-10-03 15:15:58,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136510866] [2022-10-03 15:15:58,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:15:58,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-10-03 15:15:58,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:15:58,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-10-03 15:15:58,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1528, Unknown=0, NotChecked=0, Total=1640 [2022-10-03 15:15:58,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:15:58,201 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:15:58,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 11.975) internal successors, (479), 41 states have internal predecessors, (479), 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 15:15:58,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:15:58,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:16:12,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:16:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-10-03 15:16:12,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-03 15:16:12,420 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:16:12,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:16:12,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1232916814, now seen corresponding path program 1 times [2022-10-03 15:16:12,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:16:12,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907590464] [2022-10-03 15:16:12,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:16:12,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:16:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:16:41,178 INFO L134 CoverageAnalysis]: Checked inductivity of 114905 backedges. 81530 proven. 25402 refuted. 0 times theorem prover too weak. 7973 trivial. 0 not checked. [2022-10-03 15:16:41,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:16:41,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907590464] [2022-10-03 15:16:41,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907590464] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 15:16:41,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050420550] [2022-10-03 15:16:41,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:16:41,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:16:41,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:16:41,215 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 15:16:41,221 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 15:16:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:16:45,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 26708 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-03 15:16:46,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 15:16:53,803 INFO L134 CoverageAnalysis]: Checked inductivity of 114905 backedges. 102571 proven. 0 refuted. 0 times theorem prover too weak. 12334 trivial. 0 not checked. [2022-10-03 15:16:53,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-03 15:16:53,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050420550] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:16:53,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-03 15:16:53,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 14 [2022-10-03 15:16:53,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494610467] [2022-10-03 15:16:53,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:16:53,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-03 15:16:53,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:16:53,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-03 15:16:53,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2022-10-03 15:16:53,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:16:53,818 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:16:53,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 459.2) internal successors, (4592), 10 states have internal predecessors, (4592), 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 15:16:53,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:16:53,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-10-03 15:16:53,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:16:55,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:16:55,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-10-03 15:16:55,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-03 15:16:55,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-03 15:16:56,099 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,SelfDestructingSolverStorable2 [2022-10-03 15:16:56,100 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:16:56,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:16:56,103 INFO L85 PathProgramCache]: Analyzing trace with hash -75375445, now seen corresponding path program 2 times [2022-10-03 15:16:56,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:16:56,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566035997] [2022-10-03 15:16:56,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:16:56,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:17:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:17:14,306 INFO L134 CoverageAnalysis]: Checked inductivity of 87593 backedges. 52667 proven. 4447 refuted. 0 times theorem prover too weak. 30479 trivial. 0 not checked. [2022-10-03 15:17:14,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:17:14,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566035997] [2022-10-03 15:17:14,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566035997] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 15:17:14,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017162344] [2022-10-03 15:17:14,308 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-03 15:17:14,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:17:14,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:17:14,312 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 15:17:14,315 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 15:17:18,030 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-03 15:17:18,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-03 15:17:18,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 22767 conjuncts, 294 conjunts are in the unsatisfiable core [2022-10-03 15:17:18,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 15:17:19,040 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 15:17:19,047 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 15:17:19,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:17:19,395 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 15:17:19,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:17:19,406 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 23 treesize of output 22 [2022-10-03 15:17:19,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:17:19,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:17:19,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:17:19,799 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-10-03 15:17:19,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:17:19,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:17:19,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:17:19,815 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-10-03 15:17:20,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:17:20,375 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 21 [2022-10-03 15:17:20,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:17:20,385 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 0 case distinctions, treesize of input 28 treesize of output 30 [2022-10-03 15:17:20,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:17:20,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:17:20,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 15:17:20,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:17:20,814 INFO L356 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-10-03 15:17:20,815 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 91 treesize of output 57 [2022-10-03 15:17:20,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:17:20,827 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 0 case distinctions, treesize of input 38 treesize of output 40 [2022-10-03 15:17:24,824 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-03 15:17:24,825 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 15:17:25,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:17:25,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:17:25,679 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 37 [2022-10-03 15:17:25,691 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-10-03 15:17:25,691 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 106 treesize of output 90 [2022-10-03 15:17:31,821 INFO L134 CoverageAnalysis]: Checked inductivity of 87593 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 87437 trivial. 0 not checked. [2022-10-03 15:17:31,821 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-03 15:17:31,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017162344] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:17:31,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-03 15:17:31,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [75] imperfect sequences [46] total 119 [2022-10-03 15:17:31,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056588611] [2022-10-03 15:17:31,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:17:31,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-10-03 15:17:31,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:17:31,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-10-03 15:17:31,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=13579, Unknown=0, NotChecked=0, Total=14042 [2022-10-03 15:17:31,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:17:31,834 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:17:31,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 15.0) internal successors, (1125), 75 states have internal predecessors, (1125), 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 15:17:31,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:17:31,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-10-03 15:17:31,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-03 15:17:31,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:18:18,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:18:18,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-10-03 15:18:18,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-03 15:18:18,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-10-03 15:18:18,332 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 15:18:18,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:18:18,471 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:18:18,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:18:18,471 INFO L85 PathProgramCache]: Analyzing trace with hash -545253734, now seen corresponding path program 1 times [2022-10-03 15:18:18,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:18:18,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423163566] [2022-10-03 15:18:18,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:18:18,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:18:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:18:19,710 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 15:18:19,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:18:19,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423163566] [2022-10-03 15:18:19,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423163566] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:18:19,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:18:19,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [48] imperfect sequences [] total 48 [2022-10-03 15:18:19,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942648437] [2022-10-03 15:18:19,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:18:19,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-10-03 15:18:19,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:18:19,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-10-03 15:18:19,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=2189, Unknown=0, NotChecked=0, Total=2352 [2022-10-03 15:18:19,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:18:19,714 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:18:19,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 11.270833333333334) internal successors, (541), 49 states have internal predecessors, (541), 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 15:18:19,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:18:19,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-10-03 15:18:19,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-03 15:18:19,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-10-03 15:18:19,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:18:32,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:18:32,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-10-03 15:18:32,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-03 15:18:32,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-10-03 15:18:32,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-10-03 15:18:32,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-03 15:18:32,755 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:18:32,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:18:32,757 INFO L85 PathProgramCache]: Analyzing trace with hash -733882535, now seen corresponding path program 3 times [2022-10-03 15:18:32,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:18:32,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887820] [2022-10-03 15:18:32,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:18:32,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:18:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:18:50,985 INFO L134 CoverageAnalysis]: Checked inductivity of 74318 backedges. 978 proven. 40624 refuted. 0 times theorem prover too weak. 32716 trivial. 0 not checked. [2022-10-03 15:18:50,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:18:50,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887820] [2022-10-03 15:18:50,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887820] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 15:18:50,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642955378] [2022-10-03 15:18:50,987 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-03 15:18:50,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:18:50,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:18:50,992 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 15:18:50,993 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 15:18:52,345 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-10-03 15:18:52,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-03 15:18:52,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 1711 conjuncts, 289 conjunts are in the unsatisfiable core [2022-10-03 15:18:52,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 15:18:53,469 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 15:18:53,484 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 15:18:53,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:18:53,891 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 15:18:53,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:18:53,905 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 25 treesize of output 24 [2022-10-03 15:18:54,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:18:54,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:18:54,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:18:54,362 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-10-03 15:18:54,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:18:54,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:18:54,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:18:54,383 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-10-03 15:18:54,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:18:54,939 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 0 case distinctions, treesize of input 28 treesize of output 30 [2022-10-03 15:18:54,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:18:54,953 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 0 case distinctions, treesize of input 40 treesize of output 42 [2022-10-03 15:18:55,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:18:55,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:18:55,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:18:55,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:18:55,544 INFO L356 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-10-03 15:18:55,545 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 85 treesize of output 57 [2022-10-03 15:18:55,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:18:55,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:18:55,558 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 52 [2022-10-03 15:19:00,363 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-03 15:19:00,364 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 15:19:01,272 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-10-03 15:19:01,273 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 106 treesize of output 90 [2022-10-03 15:19:01,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:19:01,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:19:01,280 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 48 [2022-10-03 15:19:04,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:19:04,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:19:04,959 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 15:19:04,971 INFO L356 Elim1Store]: treesize reduction 34, result has 17.1 percent of original size [2022-10-03 15:19:04,972 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 105 treesize of output 57 [2022-10-03 15:19:05,949 INFO L134 CoverageAnalysis]: Checked inductivity of 74318 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 74241 trivial. 0 not checked. [2022-10-03 15:19:05,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-03 15:19:05,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642955378] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:19:05,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-03 15:19:05,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [79] imperfect sequences [67] total 143 [2022-10-03 15:19:05,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864537351] [2022-10-03 15:19:05,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:19:05,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-10-03 15:19:05,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:19:05,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-10-03 15:19:05,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=19750, Unknown=0, NotChecked=0, Total=20306 [2022-10-03 15:19:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:19:05,962 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:19:05,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 13.240506329113924) internal successors, (1046), 79 states have internal predecessors, (1046), 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 15:19:05,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:19:05,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-10-03 15:19:05,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-03 15:19:05,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-10-03 15:19:05,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-10-03 15:19:05,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:20:07,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:20:07,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-10-03 15:20:07,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-03 15:20:07,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-10-03 15:20:07,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-10-03 15:20:07,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2022-10-03 15:20:07,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-10-03 15:20:07,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:20:07,520 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:20:07,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:20:07,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1243424060, now seen corresponding path program 1 times [2022-10-03 15:20:07,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:20:07,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350114826] [2022-10-03 15:20:07,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:20:07,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:20:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:20:10,440 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-03 15:20:10,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:20:10,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350114826] [2022-10-03 15:20:10,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350114826] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 15:20:10,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779751568] [2022-10-03 15:20:10,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:20:10,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:20:10,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:20:10,442 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 15:20:10,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-03 15:20:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:20:11,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 2071 conjuncts, 214 conjunts are in the unsatisfiable core [2022-10-03 15:20:11,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 15:20:14,980 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 6 treesize of output 5 [2022-10-03 15:20:14,988 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 15:20:24,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 15:20:24,124 INFO L356 Elim1Store]: treesize reduction 77, result has 31.9 percent of original size [2022-10-03 15:20:24,124 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 155 treesize of output 112 [2022-10-03 15:20:24,166 INFO L356 Elim1Store]: treesize reduction 45, result has 53.6 percent of original size [2022-10-03 15:20:24,166 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 109 treesize of output 113 [2022-10-03 15:20:24,565 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 3 proven. 242 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-03 15:20:24,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 15:20:35,463 INFO L356 Elim1Store]: treesize reduction 170, result has 87.9 percent of original size [2022-10-03 15:20:35,464 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 1 disjoint index pairs (out of 78 index pairs), introduced 17 new quantified variables, introduced 77 case distinctions, treesize of input 1032 treesize of output 2010 [2022-10-03 15:20:42,845 WARN L233 SmtUtils]: Spent 7.09s on a formula simplification. DAG size of input: 723 DAG size of output: 615 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-10-03 15:20:42,847 INFO L356 Elim1Store]: treesize reduction 520, result has 79.6 percent of original size [2022-10-03 15:20:42,848 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 21 select indices, 21 select index equivalence classes, 3 disjoint index pairs (out of 210 index pairs), introduced 24 new quantified variables, introduced 209 case distinctions, treesize of input 3530 treesize of output 4869 [2022-10-03 15:20:44,219 INFO L244 Elim1Store]: Index analysis took 124 ms [2022-10-03 15:20:44,818 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 15:20:44,820 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 3 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 52 case distinctions, treesize of input 4013 treesize of output 3893 Received shutdown request... [2022-10-03 15:28:39,842 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-10-03 15:28:39,845 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 15:28:39,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-03 15:28:39,878 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 15:28:39,878 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-03 15:28:39,879 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 15:28:40,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:28:40,046 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 825 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 36ms.. [2022-10-03 15:28:40,050 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2022-10-03 15:28:40,051 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-10-03 15:28:40,053 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-03 15:28:40,053 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-03 15:28:40,057 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1184.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 03:28:40 BasicIcfg [2022-10-03 15:28:40,057 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-03 15:28:40,058 INFO L158 Benchmark]: Toolchain (without parser) took 766482.04ms. Allocated memory was 185.6MB in the beginning and 7.9GB in the end (delta: 7.7GB). Free memory was 133.4MB in the beginning and 4.1GB in the end (delta: -4.0GB). Peak memory consumption was 5.2GB. Max. memory is 8.0GB. [2022-10-03 15:28:40,061 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 185.6MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-03 15:28:40,061 INFO L158 Benchmark]: Boogie Preprocessor took 139.95ms. Allocated memory is still 185.6MB. Free memory was 133.4MB in the beginning and 126.7MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-10-03 15:28:40,062 INFO L158 Benchmark]: RCFGBuilder took 1351.49ms. Allocated memory was 185.6MB in the beginning and 276.8MB in the end (delta: 91.2MB). Free memory was 126.7MB in the beginning and 218.3MB in the end (delta: -91.7MB). Peak memory consumption was 30.0MB. Max. memory is 8.0GB. [2022-10-03 15:28:40,062 INFO L158 Benchmark]: TraceAbstraction took 764986.04ms. Allocated memory was 276.8MB in the beginning and 7.9GB in the end (delta: 7.6GB). Free memory was 217.8MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 5.2GB. Max. memory is 8.0GB. [2022-10-03 15:28:40,063 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 0.16ms. Allocated memory is still 185.6MB. Free memory is still 139.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 139.95ms. Allocated memory is still 185.6MB. Free memory was 133.4MB in the beginning and 126.7MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1351.49ms. Allocated memory was 185.6MB in the beginning and 276.8MB in the end (delta: 91.2MB). Free memory was 126.7MB in the beginning and 218.3MB in the end (delta: -91.7MB). Peak memory consumption was 30.0MB. Max. memory is 8.0GB. * TraceAbstraction took 764986.04ms. Allocated memory was 276.8MB in the beginning and 7.9GB in the end (delta: 7.6GB). Free memory was 217.8MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 5.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 198, positive: 189, positive conditional: 189, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 250619, positive: 241469, positive conditional: 241469, positive unconditional: 0, negative: 9150, negative conditional: 9150, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 241878, positive: 241469, positive conditional: 0, positive unconditional: 241469, negative: 409, negative conditional: 0, negative unconditional: 409, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 60679, positive: 60409, positive conditional: 0, positive unconditional: 60409, negative: 270, negative conditional: 0, negative unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 241878, positive: 181060, positive conditional: 0, positive unconditional: 181060, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 60679, unknown conditional: 0, unknown unconditional: 60679] , Statistics on independence cache: Total cache size (in pairs): 189, Positive cache size: 189, Positive conditional cache size: 0, Positive unconditional cache size: 189, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 9, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 828, positive: 801, positive conditional: 801, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 250619, positive: 241469, positive conditional: 241469, positive unconditional: 0, negative: 9150, negative conditional: 9150, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 241878, positive: 241469, positive conditional: 0, positive unconditional: 241469, negative: 409, negative conditional: 0, negative unconditional: 409, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 60679, positive: 60409, positive conditional: 0, positive unconditional: 60409, negative: 270, negative conditional: 0, negative unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 241878, positive: 181060, positive conditional: 0, positive unconditional: 181060, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 60679, unknown conditional: 0, unknown unconditional: 60679] , Statistics on independence cache: Total cache size (in pairs): 803, Positive cache size: 803, Positive conditional cache size: 0, Positive unconditional cache size: 803, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 36, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 91205, positive: 88209, positive conditional: 88209, positive unconditional: 0, negative: 2996, negative conditional: 2996, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 250619, positive: 241469, positive conditional: 241469, positive unconditional: 0, negative: 9150, negative conditional: 9150, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 241878, positive: 241469, positive conditional: 0, positive unconditional: 241469, negative: 409, negative conditional: 0, negative unconditional: 409, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 60679, positive: 60409, positive conditional: 0, positive unconditional: 60409, negative: 270, negative conditional: 0, negative unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 241878, positive: 181060, positive conditional: 0, positive unconditional: 181060, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 60679, unknown conditional: 0, unknown unconditional: 60679] , Statistics on independence cache: Total cache size (in pairs): 48950, Positive cache size: 48713, Positive conditional cache size: 0, Positive unconditional cache size: 48713, Negative cache size: 237, Negative conditional cache size: 0, Negative unconditional cache size: 237, Independence queries for same thread: 2718, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 40038, positive: 38221, positive conditional: 38221, positive unconditional: 0, negative: 1817, negative conditional: 1817, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 250619, positive: 241469, positive conditional: 241469, positive unconditional: 0, negative: 9150, negative conditional: 9150, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 241878, positive: 241469, positive conditional: 0, positive unconditional: 241469, negative: 409, negative conditional: 0, negative unconditional: 409, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 60679, positive: 60409, positive conditional: 0, positive unconditional: 60409, negative: 270, negative conditional: 0, negative unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 241878, positive: 181060, positive conditional: 0, positive unconditional: 181060, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 60679, unknown conditional: 0, unknown unconditional: 60679] , Statistics on independence cache: Total cache size (in pairs): 50337, Positive cache size: 50100, Positive conditional cache size: 0, Positive unconditional cache size: 50100, Negative cache size: 237, Negative conditional cache size: 0, Negative unconditional cache size: 237, Independence queries for same thread: 4492, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 39541, positive: 38307, positive conditional: 38307, positive unconditional: 0, negative: 1234, negative conditional: 1234, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 250619, positive: 241469, positive conditional: 241469, positive unconditional: 0, negative: 9150, negative conditional: 9150, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 241878, positive: 241469, positive conditional: 0, positive unconditional: 241469, negative: 409, negative conditional: 0, negative unconditional: 409, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 60679, positive: 60409, positive conditional: 0, positive unconditional: 60409, negative: 270, negative conditional: 0, negative unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 241878, positive: 181060, positive conditional: 0, positive unconditional: 181060, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 60679, unknown conditional: 0, unknown unconditional: 60679] , Statistics on independence cache: Total cache size (in pairs): 53379, Positive cache size: 53140, Positive conditional cache size: 0, Positive unconditional cache size: 53140, Negative cache size: 239, Negative conditional cache size: 0, Negative unconditional cache size: 239, Independence queries for same thread: 5724, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 73142, positive: 70265, positive conditional: 70265, positive unconditional: 0, negative: 2877, negative conditional: 2877, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 250619, positive: 241469, positive conditional: 241469, positive unconditional: 0, negative: 9150, negative conditional: 9150, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 241878, positive: 241469, positive conditional: 0, positive unconditional: 241469, negative: 409, negative conditional: 0, negative unconditional: 409, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 60679, positive: 60409, positive conditional: 0, positive unconditional: 60409, negative: 270, negative conditional: 0, negative unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 241878, positive: 181060, positive conditional: 0, positive unconditional: 181060, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 60679, unknown conditional: 0, unknown unconditional: 60679] , Statistics on independence cache: Total cache size (in pairs): 60269, Positive cache size: 60000, Positive conditional cache size: 0, Positive unconditional cache size: 60000, Negative cache size: 269, Negative conditional cache size: 0, Negative unconditional cache size: 269, Independence queries for same thread: 8553, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 5667, positive: 5477, positive conditional: 5477, positive unconditional: 0, negative: 190, negative conditional: 190, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 250619, positive: 241469, positive conditional: 241469, positive unconditional: 0, negative: 9150, negative conditional: 9150, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 241878, positive: 241469, positive conditional: 0, positive unconditional: 241469, negative: 409, negative conditional: 0, negative unconditional: 409, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 60679, positive: 60409, positive conditional: 0, positive unconditional: 60409, negative: 270, negative conditional: 0, negative unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 241878, positive: 181060, positive conditional: 0, positive unconditional: 181060, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 60679, unknown conditional: 0, unknown unconditional: 60679] , Statistics on independence cache: Total cache size (in pairs): 60679, Positive cache size: 60409, Positive conditional cache size: 0, Positive unconditional cache size: 60409, Negative cache size: 270, Negative conditional cache size: 0, Negative unconditional cache size: 270, Independence queries for same thread: 8741, Statistics for Abstraction: - TimeoutResultAtElement [Line: 1184]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 825 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 36ms.. - 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: 764.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 137.7s, 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: 447, 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: 2.5s SsaConstructionTime, 20.0s SatisfiabilityAnalysisTime, 89.1s InterpolantComputationTime, 56858 NumberOfCodeBlocks, 49196 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 56849 ConstructedInterpolants, 0 QuantifiedInterpolants, 287717 SizeOfPredicates, 279 NumberOfNonLiveVariables, 51186 ConjunctsInSsa, 592 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 483159/553632 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