/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.line1465.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-03 15:33:52,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 15:33:52,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 15:33:53,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-03 15:33:53,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 15:33:53,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 15:33:53,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 15:33:53,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 15:33:53,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 15:33:53,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 15:33:53,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 15:33:53,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 15:33:53,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 15:33:53,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 15:33:53,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 15:33:53,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 15:33:53,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-03 15:33:53,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 15:33:53,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 15:33:53,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 15:33:53,051 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 15:33:53,079 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 15:33:53,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 15:33:53,080 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 15:33:53,080 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 15:33:53,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 15:33:53,081 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 15:33:53,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 15:33:53,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 15:33:53,082 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 15:33:53,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 15:33:53,082 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 15:33:53,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 15:33:53,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 15:33:53,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 15:33:53,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 15:33:53,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 15:33:53,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 15:33:53,083 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 15:33:53,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 15:33:53,083 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 15:33:53,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 15:33:53,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 15:33:53,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 15:33:53,084 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 15:33:53,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 15:33:53,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 15:33:53,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 15:33:53,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 15:33:53,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 15:33:53,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 15:33:53,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 15:33:53,085 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 15:33:53,085 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 15:33:53,086 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 15:33:53,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 15:33:53,086 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 15:33:53,086 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 15:33:53,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 15:33:53,086 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 15:33:53,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 15:33:53,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 15:33:53,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 15:33:53,294 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 15:33:53,295 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 15:33:53,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line1465.bpl [2022-10-03 15:33:53,296 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line1465.bpl' [2022-10-03 15:33:53,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 15:33:53,363 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 15:33:53,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 15:33:53,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 15:33:53,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 15:33:53,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line1465.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:33:53" (1/1) ... [2022-10-03 15:33:53,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line1465.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:33:53" (1/1) ... [2022-10-03 15:33:53,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1465.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:33:53" (1/1) ... [2022-10-03 15:33:53,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1465.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:33:53" (1/1) ... [2022-10-03 15:33:53,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line1465.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:33:53" (1/1) ... [2022-10-03 15:33:53,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line1465.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:33:53" (1/1) ... [2022-10-03 15:33:53,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line1465.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:33:53" (1/1) ... [2022-10-03 15:33:53,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 15:33:53,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 15:33:53,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 15:33:53,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 15:33:53,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line1465.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:33:53" (1/1) ... [2022-10-03 15:33:53,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 15:33:53,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:33:53,517 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 15:33:53,520 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 15:33:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-03 15:33:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-03 15:33:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 15:33:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 15:33:53,554 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 15:33:53,725 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 15:33:53,727 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 15:33:54,439 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 15:33:54,453 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 15:33:54,454 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-03 15:33:54,456 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1465.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:33:54 BoogieIcfgContainer [2022-10-03 15:33:54,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 15:33:54,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 15:33:54,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 15:33:54,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 15:33:54,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1465.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 03:33:53" (1/2) ... [2022-10-03 15:33:54,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608cef81 and model type divinefifo_1w1r.line1465.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 03:33:54, skipping insertion in model container [2022-10-03 15:33:54,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1465.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:33:54" (2/2) ... [2022-10-03 15:33:54,475 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line1465.bpl [2022-10-03 15:33:54,479 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 15:33:54,504 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 15:33:54,504 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 15:33:54,504 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 15:33:54,627 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-03 15:33:54,680 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 15:33:54,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 15:33:54,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:33:54,682 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 15:33:54,683 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 15:33:54,707 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 15:33:54,713 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 15:33:54,718 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;@4eef10cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 15:33:54,718 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 15:33:55,099 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:33:55,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:33:55,103 INFO L85 PathProgramCache]: Analyzing trace with hash 218141198, now seen corresponding path program 1 times [2022-10-03 15:33:55,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:33:55,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944304050] [2022-10-03 15:33:55,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:33:55,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:33:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:33:55,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:33:55,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:33:55,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944304050] [2022-10-03 15:33:55,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944304050] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:33:55,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:33:55,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-03 15:33:55,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730509196] [2022-10-03 15:33:55,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:33:55,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-03 15:33:55,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:33:55,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-03 15:33:55,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-03 15:33:55,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:33:55,527 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:33:55,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 320.5) internal successors, (641), 2 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-03 15:33:55,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:33:55,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:33:55,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 15:33:55,744 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:33:55,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:33:55,747 INFO L85 PathProgramCache]: Analyzing trace with hash 365022551, now seen corresponding path program 1 times [2022-10-03 15:33:55,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:33:55,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882746293] [2022-10-03 15:33:55,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:33:55,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:33:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:33:58,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:33:58,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:33:58,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882746293] [2022-10-03 15:33:58,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882746293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:33:58,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:33:58,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [60] imperfect sequences [] total 60 [2022-10-03 15:33:58,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120993987] [2022-10-03 15:33:58,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:33:58,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-10-03 15:33:58,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:33:58,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-10-03 15:33:58,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=3360, Unknown=0, NotChecked=0, Total=3540 [2022-10-03 15:33:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:33:58,611 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:33:58,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 11.766666666666667) internal successors, (706), 60 states have internal predecessors, (706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-03 15:33:58,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:33:58,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:34:11,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:34:11,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-10-03 15:34:11,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-03 15:34:11,628 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:34:11,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:34:11,629 INFO L85 PathProgramCache]: Analyzing trace with hash -238131188, now seen corresponding path program 1 times [2022-10-03 15:34:11,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:34:11,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272384028] [2022-10-03 15:34:11,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:34:11,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:34:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:34:12,654 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 15:34:12,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:34:12,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272384028] [2022-10-03 15:34:12,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272384028] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:34:12,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:34:12,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2022-10-03 15:34:12,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36094109] [2022-10-03 15:34:12,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:34:12,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-10-03 15:34:12,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:34:12,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-10-03 15:34:12,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1780, Unknown=0, NotChecked=0, Total=1892 [2022-10-03 15:34:12,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:34:12,657 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:34:12,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 15.093023255813954) internal successors, (649), 44 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-03 15:34:12,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:34:12,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-10-03 15:34:12,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:34:20,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:34:20,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-10-03 15:34:20,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-10-03 15:34:20,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-03 15:34:20,182 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:34:20,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:34:20,183 INFO L85 PathProgramCache]: Analyzing trace with hash 378327310, now seen corresponding path program 1 times [2022-10-03 15:34:20,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:34:20,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63168147] [2022-10-03 15:34:20,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:34:20,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:34:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:34:23,619 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:34:23,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:34:23,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63168147] [2022-10-03 15:34:23,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63168147] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:34:23,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:34:23,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [81] imperfect sequences [] total 81 [2022-10-03 15:34:23,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098609428] [2022-10-03 15:34:23,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:34:23,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2022-10-03 15:34:23,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:34:23,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2022-10-03 15:34:23,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=6227, Unknown=0, NotChecked=0, Total=6480 [2022-10-03 15:34:23,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:34:23,626 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:34:23,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 11.54320987654321) internal successors, (935), 81 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-03 15:34:23,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:34:23,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-10-03 15:34:23,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-10-03 15:34:23,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:34:56,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:34:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-10-03 15:34:56,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-10-03 15:34:56,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2022-10-03 15:34:56,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-03 15:34:56,899 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:34:56,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:34:56,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1868755748, now seen corresponding path program 1 times [2022-10-03 15:34:56,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:34:56,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756552867] [2022-10-03 15:34:56,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:34:56,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:34:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:35:01,153 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 15:35:01,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:35:01,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756552867] [2022-10-03 15:35:01,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756552867] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:35:01,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:35:01,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [79] imperfect sequences [] total 79 [2022-10-03 15:35:01,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840323430] [2022-10-03 15:35:01,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:35:01,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-10-03 15:35:01,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:35:01,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-10-03 15:35:01,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=5925, Unknown=0, NotChecked=0, Total=6162 [2022-10-03 15:35:01,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:35:01,157 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:35:01,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 9.0) internal successors, (711), 79 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-03 15:35:01,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:35:01,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-10-03 15:35:01,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-10-03 15:35:01,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2022-10-03 15:35:01,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:35:30,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:35:30,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-10-03 15:35:30,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-10-03 15:35:30,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-10-03 15:35:30,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-10-03 15:35:30,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-03 15:35:30,759 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:35:30,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:35:30,759 INFO L85 PathProgramCache]: Analyzing trace with hash 493020720, now seen corresponding path program 1 times [2022-10-03 15:35:30,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:35:30,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437065425] [2022-10-03 15:35:30,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:35:30,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:35:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:35:34,001 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:35:34,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:35:34,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437065425] [2022-10-03 15:35:34,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437065425] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 15:35:34,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 15:35:34,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [81] imperfect sequences [] total 81 [2022-10-03 15:35:34,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540858627] [2022-10-03 15:35:34,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 15:35:34,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2022-10-03 15:35:34,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 15:35:34,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2022-10-03 15:35:34,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=6202, Unknown=0, NotChecked=0, Total=6480 [2022-10-03 15:35:34,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:35:34,005 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 15:35:34,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 10.592592592592593) internal successors, (858), 81 states have internal predecessors, (858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-03 15:35:34,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:35:34,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-10-03 15:35:34,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-10-03 15:35:34,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-10-03 15:35:34,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-10-03 15:35:34,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:36:03,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 15:36:03,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-10-03 15:36:03,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-10-03 15:36:03,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2022-10-03 15:36:03,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-10-03 15:36:03,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-10-03 15:36:03,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-03 15:36:03,585 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 15:36:03,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 15:36:03,586 INFO L85 PathProgramCache]: Analyzing trace with hash -897688143, now seen corresponding path program 1 times [2022-10-03 15:36:03,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 15:36:03,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477006056] [2022-10-03 15:36:03,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:36:03,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 15:36:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:36:07,410 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 157 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:36:07,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 15:36:07,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477006056] [2022-10-03 15:36:07,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477006056] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 15:36:07,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628815933] [2022-10-03 15:36:07,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 15:36:07,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 15:36:07,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 15:36:07,413 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 15:36:07,414 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 15:36:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 15:36:07,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 2638 conjuncts, 439 conjunts are in the unsatisfiable core [2022-10-03 15:36:08,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 15:36:08,063 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-10-03 15:36:08,531 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-03 15:36:08,532 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 15:36:08,877 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 15:36:09,681 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 15:36:10,352 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-10-03 15:36:10,360 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 15:36:10,974 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-10-03 15:36:10,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:36:10,988 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 27 treesize of output 20 [2022-10-03 15:36:17,352 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-03 15:36:17,353 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 15:36:17,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:36:17,755 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-10-03 15:36:18,617 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-10-03 15:36:18,618 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 123 treesize of output 103 [2022-10-03 15:36:18,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:36:18,628 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 74 [2022-10-03 15:36:33,507 INFO L356 Elim1Store]: treesize reduction 38, result has 59.6 percent of original size [2022-10-03 15:36:33,507 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 110 treesize of output 134 [2022-10-03 15:36:33,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:36:33,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 15:36:33,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:36:33,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:36:33,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:36:33,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:36:33,569 INFO L356 Elim1Store]: treesize reduction 250, result has 15.0 percent of original size [2022-10-03 15:36:33,569 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 123 treesize of output 95 [2022-10-03 15:36:33,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:36:33,639 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2022-10-03 15:36:33,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:36:33,653 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 49 [2022-10-03 15:36:55,584 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 15:36:55,584 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-10-03 15:36:56,460 INFO L356 Elim1Store]: treesize reduction 69, result has 10.4 percent of original size [2022-10-03 15:36:56,460 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 122 treesize of output 70 [2022-10-03 15:36:57,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:36:57,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 15:36:57,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:36:57,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:36:57,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:36:57,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:36:57,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:36:57,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:36:57,105 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 15:36:57,113 INFO L356 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2022-10-03 15:36:57,113 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 83 treesize of output 72 [2022-10-03 15:37:00,834 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 15:37:00,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:37:00,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:37:00,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:37:00,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:37:00,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:37:00,838 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 15:37:00,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 15:37:00,839 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 15:37:00,847 INFO L356 Elim1Store]: treesize reduction 16, result has 38.5 percent of original size [2022-10-03 15:37:00,847 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 28 case distinctions, treesize of input 82 treesize of output 36 [2022-10-03 15:37:01,314 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 98 proven. 241 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 15:37:01,314 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 15:39:14,036 WARN L833 $PredicateComparison]: unable to prove that (or (not (<= 0 |c_ULTIMATE.start_main_~#q~1#1.offset|)) (= (mod |c_ULTIMATE.start_fifo_front_#in~wait#1| 256) 0) (and (forall ((v_ArrVal_524 (Array Int Int)) (|ULTIMATE.start_read~$Pointer$_#value#1.offset| Int) (|ULTIMATE.start_read~$Pointer$_#value#1.base| Int)) (let ((.cse6 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_read~$Pointer$_#value#1.base| (let ((.cse7 (select |c_#memory_$Pointer$.base| |ULTIMATE.start_read~$Pointer$_#value#1.base|))) (store .cse7 |ULTIMATE.start_read~$Pointer$_#value#1.offset| (select .cse7 |ULTIMATE.start_read~$Pointer$_#value#1.offset|)))))) (let ((.cse4 (select .cse6 |c_ULTIMATE.start_main_~#q~1#1.base|)) (.cse5 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_read~$Pointer$_#value#1.base| v_ArrVal_524))) (let ((.cse1 (select (select .cse5 |c_ULTIMATE.start_main_~#q~1#1.base|) |c_ULTIMATE.start_main_~#q~1#1.offset|)) (.cse0 (select .cse4 |c_ULTIMATE.start_main_~#q~1#1.offset|))) (let ((.cse2 (select .cse6 .cse0)) (.cse3 (+ 12 .cse1))) (or (< (select |c_#length| .cse0) (+ 20 .cse1)) (not (<= 0 .cse1)) (= (select .cse2 .cse1) (select .cse2 .cse3)) (not (= (select .cse2 (+ 16 .cse1)) (select .cse4 (+ 4 |c_ULTIMATE.start_main_~#q~1#1.offset|)))) (not (= (select (select .cse5 .cse0) .cse1) .cse3)))))))) (forall ((v_ArrVal_524 (Array Int Int)) (|ULTIMATE.start_read~$Pointer$_#value#1.offset| Int) (|ULTIMATE.start_read~$Pointer$_#value#1.base| Int)) (let ((.cse10 (store |c_#memory_$Pointer$.base| |ULTIMATE.start_read~$Pointer$_#value#1.base| (let ((.cse16 (select |c_#memory_$Pointer$.base| |ULTIMATE.start_read~$Pointer$_#value#1.base|))) (store .cse16 |ULTIMATE.start_read~$Pointer$_#value#1.offset| (select .cse16 |ULTIMATE.start_read~$Pointer$_#value#1.offset|)))))) (let ((.cse11 (select .cse10 |c_ULTIMATE.start_main_~#q~1#1.base|))) (let ((.cse15 (store |c_#memory_$Pointer$.offset| |ULTIMATE.start_read~$Pointer$_#value#1.base| v_ArrVal_524)) (.cse8 (select .cse11 |c_ULTIMATE.start_main_~#q~1#1.offset|))) (let ((.cse12 (select .cse15 .cse8)) (.cse9 (select (select .cse15 |c_ULTIMATE.start_main_~#q~1#1.base|) |c_ULTIMATE.start_main_~#q~1#1.offset|))) (let ((.cse14 (select .cse12 .cse9)) (.cse13 (+ 12 .cse9))) (or (< (select |c_#length| .cse8) (+ 20 .cse9)) (not (<= 0 .cse9)) (not (= (select (select .cse10 .cse8) (+ 16 .cse9)) (select .cse11 (+ 4 |c_ULTIMATE.start_main_~#q~1#1.offset|)))) (< (select .cse12 .cse13) (+ .cse14 1)) (not (= .cse14 .cse13))))))))))) is different from false [2022-10-03 15:39:51,000 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 15:39:51,001 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1206 treesize of output 1224 [2022-10-03 15:39:55,786 INFO L356 Elim1Store]: treesize reduction 418, result has 49.1 percent of original size [2022-10-03 15:39:55,786 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 5350 treesize of output 4184 [2022-10-03 15:39:56,269 INFO L356 Elim1Store]: treesize reduction 1244, result has 39.2 percent of original size [2022-10-03 15:39:56,270 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 23130 treesize of output 21564 [2022-10-03 15:39:56,579 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 15:39:56,580 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 49676 treesize of output 46392 [2022-10-03 15:39:56,880 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 15:39:56,881 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 44205 treesize of output 44086 [2022-10-03 15:39:57,346 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 15:39:57,347 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 44022 treesize of output 44018 [2022-10-03 15:39:58,788 INFO L356 Elim1Store]: treesize reduction 8, result has 97.9 percent of original size [2022-10-03 15:39:58,790 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 2 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 34 case distinctions, treesize of input 43881 treesize of output 43314 [2022-10-03 15:40:00,570 INFO L356 Elim1Store]: treesize reduction 8, result has 97.7 percent of original size [2022-10-03 15:40:00,571 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 11 new quantified variables, introduced 33 case distinctions, treesize of input 43062 treesize of output 43000 Received shutdown request... [2022-10-03 15:47:18,834 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-10-03 15:47:18,837 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 15:47:18,849 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 15:47:18,852 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 15:47:18,854 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-03 15:47:18,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-03 15:47:19,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-10-03 15:47:19,038 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1085 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 32 for 26ms.. [2022-10-03 15:47:19,044 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-10-03 15:47:19,045 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-10-03 15:47:19,046 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-03 15:47:19,046 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-03 15:47:19,049 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1465.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 03:47:19 BasicIcfg [2022-10-03 15:47:19,049 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-03 15:47:19,049 INFO L158 Benchmark]: Toolchain (without parser) took 805686.59ms. Allocated memory was 184.5MB in the beginning and 783.3MB in the end (delta: 598.7MB). Free memory was 140.2MB in the beginning and 246.7MB in the end (delta: -106.4MB). Peak memory consumption was 652.9MB. Max. memory is 8.0GB. [2022-10-03 15:47:19,050 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 184.5MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-03 15:47:19,050 INFO L158 Benchmark]: Boogie Preprocessor took 125.13ms. Allocated memory is still 184.5MB. Free memory was 140.1MB in the beginning and 133.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-10-03 15:47:19,050 INFO L158 Benchmark]: RCFGBuilder took 961.80ms. Allocated memory is still 184.5MB. Free memory was 133.6MB in the beginning and 94.1MB in the end (delta: 39.6MB). Peak memory consumption was 39.7MB. Max. memory is 8.0GB. [2022-10-03 15:47:19,052 INFO L158 Benchmark]: TraceAbstraction took 804591.81ms. Allocated memory was 184.5MB in the beginning and 783.3MB in the end (delta: 598.7MB). Free memory was 93.0MB in the beginning and 246.7MB in the end (delta: -153.6MB). Peak memory consumption was 605.9MB. Max. memory is 8.0GB. [2022-10-03 15:47:19,055 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 0.13ms. Allocated memory is still 184.5MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 125.13ms. Allocated memory is still 184.5MB. Free memory was 140.1MB in the beginning and 133.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 961.80ms. Allocated memory is still 184.5MB. Free memory was 133.6MB in the beginning and 94.1MB in the end (delta: 39.6MB). Peak memory consumption was 39.7MB. Max. memory is 8.0GB. * TraceAbstraction took 804591.81ms. Allocated memory was 184.5MB in the beginning and 783.3MB in the end (delta: 598.7MB). Free memory was 93.0MB in the beginning and 246.7MB in the end (delta: -153.6MB). Peak memory consumption was 605.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 437, positive: 423, positive conditional: 423, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 35969, positive: 34654, positive conditional: 34654, positive unconditional: 0, negative: 1315, negative conditional: 1315, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34786, positive: 34654, positive conditional: 0, positive unconditional: 34654, negative: 132, negative conditional: 0, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 10270, positive: 10211, positive conditional: 0, positive unconditional: 10211, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 34786, positive: 24443, positive conditional: 0, positive unconditional: 24443, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 10270, unknown conditional: 0, unknown unconditional: 10270] , Statistics on independence cache: Total cache size (in pairs): 423, Positive cache size: 423, Positive conditional cache size: 0, Positive unconditional cache size: 423, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 14, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1437, positive: 1395, positive conditional: 1395, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 35969, positive: 34654, positive conditional: 34654, positive unconditional: 0, negative: 1315, negative conditional: 1315, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34786, positive: 34654, positive conditional: 0, positive unconditional: 34654, negative: 132, negative conditional: 0, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 10270, positive: 10211, positive conditional: 0, positive unconditional: 10211, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 34786, positive: 24443, positive conditional: 0, positive unconditional: 24443, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 10270, unknown conditional: 0, unknown unconditional: 10270] , Statistics on independence cache: Total cache size (in pairs): 1397, Positive cache size: 1397, Positive conditional cache size: 0, Positive unconditional cache size: 1397, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 56, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2063, positive: 1995, positive conditional: 1995, positive unconditional: 0, negative: 68, negative conditional: 68, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 35969, positive: 34654, positive conditional: 34654, positive unconditional: 0, negative: 1315, negative conditional: 1315, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34786, positive: 34654, positive conditional: 0, positive unconditional: 34654, negative: 132, negative conditional: 0, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 10270, positive: 10211, positive conditional: 0, positive unconditional: 10211, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 34786, positive: 24443, positive conditional: 0, positive unconditional: 24443, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 10270, unknown conditional: 0, unknown unconditional: 10270] , Statistics on independence cache: Total cache size (in pairs): 1835, Positive cache size: 1835, Positive conditional cache size: 0, Positive unconditional cache size: 1835, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 124, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2740, positive: 2654, positive conditional: 2654, positive unconditional: 0, negative: 86, negative conditional: 86, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 35969, positive: 34654, positive conditional: 34654, positive unconditional: 0, negative: 1315, negative conditional: 1315, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34786, positive: 34654, positive conditional: 0, positive unconditional: 34654, negative: 132, negative conditional: 0, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 10270, positive: 10211, positive conditional: 0, positive unconditional: 10211, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 34786, positive: 24443, positive conditional: 0, positive unconditional: 24443, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 10270, unknown conditional: 0, unknown unconditional: 10270] , Statistics on independence cache: Total cache size (in pairs): 2135, Positive cache size: 2135, Positive conditional cache size: 0, Positive unconditional cache size: 2135, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 210, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 22634, positive: 21741, positive conditional: 21741, positive unconditional: 0, negative: 893, negative conditional: 893, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 35969, positive: 34654, positive conditional: 34654, positive unconditional: 0, negative: 1315, negative conditional: 1315, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34786, positive: 34654, positive conditional: 0, positive unconditional: 34654, negative: 132, negative conditional: 0, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 10270, positive: 10211, positive conditional: 0, positive unconditional: 10211, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 34786, positive: 24443, positive conditional: 0, positive unconditional: 24443, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 10270, unknown conditional: 0, unknown unconditional: 10270] , Statistics on independence cache: Total cache size (in pairs): 9963, Positive cache size: 9904, Positive conditional cache size: 0, Positive unconditional cache size: 9904, Negative cache size: 59, Negative conditional cache size: 0, Negative unconditional cache size: 59, Independence queries for same thread: 971, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2654, positive: 2571, positive conditional: 2571, positive unconditional: 0, negative: 83, negative conditional: 83, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 35969, positive: 34654, positive conditional: 34654, positive unconditional: 0, negative: 1315, negative conditional: 1315, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34786, positive: 34654, positive conditional: 0, positive unconditional: 34654, negative: 132, negative conditional: 0, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 10270, positive: 10211, positive conditional: 0, positive unconditional: 10211, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 34786, positive: 24443, positive conditional: 0, positive unconditional: 24443, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 10270, unknown conditional: 0, unknown unconditional: 10270] , Statistics on independence cache: Total cache size (in pairs): 9984, Positive cache size: 9925, Positive conditional cache size: 0, Positive unconditional cache size: 9925, Negative cache size: 59, Negative conditional cache size: 0, Negative unconditional cache size: 59, Independence queries for same thread: 1054, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 4004, positive: 3875, positive conditional: 3875, positive unconditional: 0, negative: 129, negative conditional: 129, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 35969, positive: 34654, positive conditional: 34654, positive unconditional: 0, negative: 1315, negative conditional: 1315, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34786, positive: 34654, positive conditional: 0, positive unconditional: 34654, negative: 132, negative conditional: 0, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 10270, positive: 10211, positive conditional: 0, positive unconditional: 10211, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 34786, positive: 24443, positive conditional: 0, positive unconditional: 24443, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 10270, unknown conditional: 0, unknown unconditional: 10270] , Statistics on independence cache: Total cache size (in pairs): 10270, Positive cache size: 10211, Positive conditional cache size: 0, Positive unconditional cache size: 10211, Negative cache size: 59, Negative conditional cache size: 0, Negative unconditional cache size: 59, Independence queries for same thread: 1183, Statistics for Abstraction: - TimeoutResultAtElement [Line: 1465]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1085 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 32 for 26ms.. - 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: 804.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 113.6s, 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: 612, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 14.2s InterpolantComputationTime, 4500 NumberOfCodeBlocks, 4500 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 4494 ConstructedInterpolants, 0 QuantifiedInterpolants, 83850 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 315/315 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