/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-bug_1w1r.line1396.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-03 14:41:18,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 14:41:18,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 14:41:18,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 14:41:18,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 14:41:18,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 14:41:18,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 14:41:18,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 14:41:18,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 14:41:18,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 14:41:18,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 14:41:18,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 14:41:18,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 14:41:18,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 14:41:18,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 14:41:18,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 14:41:18,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 14:41:18,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 14:41:18,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 14:41:18,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 14:41:18,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 14:41:18,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 14:41:18,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 14:41:18,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 14:41:18,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-03 14:41:18,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 14:41:18,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 14:41:18,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 14:41:18,460 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 14:41:18,500 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 14:41:18,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 14:41:18,502 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 14:41:18,502 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 14:41:18,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 14:41:18,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 14:41:18,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 14:41:18,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 14:41:18,504 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 14:41:18,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 14:41:18,505 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 14:41:18,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 14:41:18,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 14:41:18,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 14:41:18,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 14:41:18,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 14:41:18,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 14:41:18,506 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 14:41:18,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 14:41:18,507 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 14:41:18,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 14:41:18,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 14:41:18,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 14:41:18,508 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 14:41:18,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 14:41:18,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 14:41:18,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 14:41:18,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 14:41:18,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 14:41:18,509 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 14:41:18,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 14:41:18,510 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 14:41:18,510 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 14:41:18,510 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 14:41:18,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 14:41:18,510 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 14:41:18,511 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 14:41:18,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 14:41:18,511 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 14:41:18,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 14:41:18,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 14:41:18,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 14:41:18,820 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 14:41:18,821 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 14:41:18,823 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1396.bpl [2022-10-03 14:41:18,823 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1396.bpl' [2022-10-03 14:41:18,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 14:41:18,905 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 14:41:18,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 14:41:18,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 14:41:18,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 14:41:18,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1396.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:41:18" (1/1) ... [2022-10-03 14:41:18,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1396.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:41:18" (1/1) ... [2022-10-03 14:41:18,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1396.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:41:18" (1/1) ... [2022-10-03 14:41:18,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1396.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:41:18" (1/1) ... [2022-10-03 14:41:19,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1396.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:41:18" (1/1) ... [2022-10-03 14:41:19,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1396.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:41:18" (1/1) ... [2022-10-03 14:41:19,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1396.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:41:18" (1/1) ... [2022-10-03 14:41:19,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 14:41:19,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 14:41:19,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 14:41:19,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 14:41:19,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line1396.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:41:18" (1/1) ... [2022-10-03 14:41:19,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 14:41:19,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:41:19,180 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 14:41:19,182 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 14:41:19,224 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-03 14:41:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-03 14:41:19,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 14:41:19,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 14:41:19,227 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 14:41:19,451 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 14:41:19,453 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 14:41:20,701 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 14:41:20,768 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 14:41:20,769 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-03 14:41:20,774 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1396.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:41:20 BoogieIcfgContainer [2022-10-03 14:41:20,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 14:41:20,789 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 14:41:20,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 14:41:20,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 14:41:20,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1396.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:41:18" (1/2) ... [2022-10-03 14:41:20,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af61163 and model type divinefifo-bug_1w1r.line1396.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:41:20, skipping insertion in model container [2022-10-03 14:41:20,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1396.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:41:20" (2/2) ... [2022-10-03 14:41:20,813 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line1396.bpl [2022-10-03 14:41:20,836 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 14:41:20,846 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 14:41:20,846 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 14:41:20,846 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 14:41:21,066 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-03 14:41:21,150 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 14:41:21,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 14:41:21,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:41:21,160 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 14:41:21,185 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 14:41:21,210 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 14:41:21,217 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 14:41:21,225 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;@7e0eca57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 14:41:21,226 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 14:41:21,690 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:41:21,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:41:21,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1289636416, now seen corresponding path program 1 times [2022-10-03 14:41:21,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:41:21,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044509888] [2022-10-03 14:41:21,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:41:21,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:41:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:41:22,424 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 14:41:22,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:41:22,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044509888] [2022-10-03 14:41:22,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044509888] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:41:22,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:41:22,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-03 14:41:22,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222356031] [2022-10-03 14:41:22,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:41:22,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-03 14:41:22,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:41:22,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-03 14:41:22,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-03 14:41:22,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:41:22,466 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:41:22,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 290.5) internal successors, (581), 2 states have internal predecessors, (581), 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 14:41:22,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:41:22,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:41:22,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 14:41:22,728 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:41:22,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:41:22,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1997035974, now seen corresponding path program 1 times [2022-10-03 14:41:22,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:41:22,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440481613] [2022-10-03 14:41:22,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:41:22,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:41:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:41:26,428 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 14:41:26,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:41:26,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440481613] [2022-10-03 14:41:26,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440481613] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:41:26,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:41:26,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [60] imperfect sequences [] total 60 [2022-10-03 14:41:26,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523138536] [2022-10-03 14:41:26,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:41:26,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-10-03 14:41:26,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:41:26,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-10-03 14:41:26,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=3360, Unknown=0, NotChecked=0, Total=3540 [2022-10-03 14:41:26,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:41:26,438 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:41:26,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 10.783333333333333) internal successors, (647), 60 states have internal predecessors, (647), 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 14:41:26,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:41:26,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:41:41,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:41:41,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-10-03 14:41:41,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-03 14:41:41,844 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:41:41,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:41:41,845 INFO L85 PathProgramCache]: Analyzing trace with hash 596457956, now seen corresponding path program 1 times [2022-10-03 14:41:41,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:41:41,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075018648] [2022-10-03 14:41:41,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:41:41,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:41:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:41:44,445 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 14:41:44,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:41:44,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075018648] [2022-10-03 14:41:44,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075018648] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:41:44,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:41:44,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [61] imperfect sequences [] total 61 [2022-10-03 14:41:44,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097080133] [2022-10-03 14:41:44,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:41:44,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-10-03 14:41:44,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:41:44,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-10-03 14:41:44,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=3596, Unknown=0, NotChecked=0, Total=3782 [2022-10-03 14:41:44,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:41:44,451 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:41:44,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 61 states have (on average 9.672131147540984) internal successors, (590), 62 states have internal predecessors, (590), 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 14:41:44,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:41:44,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-10-03 14:41:44,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:42:03,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:42:03,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-10-03 14:42:03,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-10-03 14:42:03,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-03 14:42:03,332 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:42:03,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:42:03,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1187632939, now seen corresponding path program 1 times [2022-10-03 14:42:03,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:42:03,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181137852] [2022-10-03 14:42:03,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:42:03,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:42:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:42:06,763 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-03 14:42:06,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:42:06,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181137852] [2022-10-03 14:42:06,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181137852] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:42:06,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:42:06,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [77] imperfect sequences [] total 77 [2022-10-03 14:42:06,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799331696] [2022-10-03 14:42:06,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:42:06,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2022-10-03 14:42:06,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:42:06,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2022-10-03 14:42:06,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=5600, Unknown=0, NotChecked=0, Total=5852 [2022-10-03 14:42:06,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:42:06,769 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:42:06,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 11.493506493506494) internal successors, (885), 77 states have internal predecessors, (885), 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 14:42:06,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:42:06,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-10-03 14:42:06,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-10-03 14:42:06,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:42:29,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:42:29,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2022-10-03 14:42:29,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-10-03 14:42:29,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-10-03 14:42:29,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-03 14:42:29,695 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:42:29,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:42:29,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1410368949, now seen corresponding path program 1 times [2022-10-03 14:42:29,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:42:29,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811867810] [2022-10-03 14:42:29,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:42:29,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:42:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:42:33,150 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 14:42:33,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:42:33,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811867810] [2022-10-03 14:42:33,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811867810] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:42:33,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:42:33,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [81] imperfect sequences [] total 81 [2022-10-03 14:42:33,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075421187] [2022-10-03 14:42:33,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:42:33,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2022-10-03 14:42:33,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:42:33,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2022-10-03 14:42:33,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=6227, Unknown=0, NotChecked=0, Total=6480 [2022-10-03 14:42:33,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:42:33,155 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:42:33,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 10.135802469135802) internal successors, (821), 81 states have internal predecessors, (821), 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 14:42:33,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:42:33,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2022-10-03 14:42:33,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-10-03 14:42:33,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-10-03 14:42:33,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:43:05,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:43:05,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-10-03 14:43:05,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-10-03 14:43:05,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-10-03 14:43:05,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2022-10-03 14:43:05,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-03 14:43:05,369 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:43:05,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:43:05,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1144257853, now seen corresponding path program 1 times [2022-10-03 14:43:05,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:43:05,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569055165] [2022-10-03 14:43:05,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:43:05,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:43:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:43:10,194 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 14:43:10,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:43:10,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569055165] [2022-10-03 14:43:10,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569055165] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 14:43:10,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132031119] [2022-10-03 14:43:10,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:43:10,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 14:43:10,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:43:10,197 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 14:43:10,198 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 14:43:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:43:10,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 2534 conjuncts, 379 conjunts are in the unsatisfiable core [2022-10-03 14:43:10,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 14:43:11,574 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 14:43:12,489 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 14:43:12,502 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 14:43:13,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:43:13,182 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 14 treesize of output 16 [2022-10-03 14:43:13,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:43:13,196 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 14 treesize of output 16 [2022-10-03 14:43:13,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:43:13,618 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 19 treesize of output 18 [2022-10-03 14:43:13,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:43:13,626 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 14:43:19,948 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-03 14:43:19,949 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 14:43:20,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:43:20,466 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 16 treesize of output 18 [2022-10-03 14:43:21,414 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-10-03 14:43:21,415 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 69 treesize of output 65 [2022-10-03 14:43:21,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:43:21,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:43:21,442 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 38 treesize of output 39 [2022-10-03 14:43:33,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:43:33,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 14:43:33,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:43:33,444 INFO L356 Elim1Store]: treesize reduction 118, result has 51.8 percent of original size [2022-10-03 14:43:33,445 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 83 treesize of output 166 [2022-10-03 14:43:33,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:43:33,466 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 14:43:33,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:43:33,514 INFO L356 Elim1Store]: treesize reduction 116, result has 17.1 percent of original size [2022-10-03 14:43:33,515 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 97 treesize of output 77 [2022-10-03 14:44:26,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:44:26,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:44:26,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 14:44:26,392 INFO L356 Elim1Store]: treesize reduction 386, result has 26.3 percent of original size [2022-10-03 14:44:26,393 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 10 new quantified variables, introduced 40 case distinctions, treesize of input 348 treesize of output 399 [2022-10-03 14:44:26,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:44:26,929 INFO L356 Elim1Store]: treesize reduction 822, result has 23.2 percent of original size [2022-10-03 14:44:26,929 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 1 disjoint index pairs (out of 91 index pairs), introduced 16 new quantified variables, introduced 86 case distinctions, treesize of input 302 treesize of output 447 [2022-10-03 14:48:54,669 WARN L233 SmtUtils]: Spent 8.67s on a formula simplification that was a NOOP. DAG size: 873 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-03 14:51:08,027 WARN L233 SmtUtils]: Spent 15.71s on a formula simplification that was a NOOP. DAG size: 1569 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2022-10-03 14:54:05,103 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 14:54:05,130 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 14:54:05,137 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 14:54:05,137 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 14:54:05,137 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 14:54:05,304 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,SelfDestructingSolverStorable5 [2022-10-03 14:54:05,305 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1048 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-12-6-4-5-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-2-1 context. [2022-10-03 14:54:05,310 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-10-03 14:54:05,313 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-10-03 14:54:05,315 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-03 14:54:05,315 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-03 14:54:05,322 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1396.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:54:05 BasicIcfg [2022-10-03 14:54:05,322 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-03 14:54:05,323 INFO L158 Benchmark]: Toolchain (without parser) took 766417.77ms. Allocated memory was 186.6MB in the beginning and 669.0MB in the end (delta: 482.3MB). Free memory was 134.0MB in the beginning and 141.5MB in the end (delta: -7.5MB). Peak memory consumption was 524.2MB. Max. memory is 8.0GB. [2022-10-03 14:54:05,323 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.24ms. Allocated memory is still 186.6MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-03 14:54:05,323 INFO L158 Benchmark]: Boogie Preprocessor took 203.16ms. Allocated memory is still 186.6MB. Free memory was 133.9MB in the beginning and 154.2MB in the end (delta: -20.4MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. [2022-10-03 14:54:05,324 INFO L158 Benchmark]: RCFGBuilder took 1662.81ms. Allocated memory was 186.6MB in the beginning and 296.7MB in the end (delta: 110.1MB). Free memory was 154.2MB in the beginning and 189.2MB in the end (delta: -35.1MB). Peak memory consumption was 79.3MB. Max. memory is 8.0GB. [2022-10-03 14:54:05,324 INFO L158 Benchmark]: TraceAbstraction took 764533.02ms. Allocated memory was 296.7MB in the beginning and 669.0MB in the end (delta: 372.2MB). Free memory was 188.7MB in the beginning and 141.5MB in the end (delta: 47.2MB). Peak memory consumption was 468.6MB. Max. memory is 8.0GB. [2022-10-03 14:54:05,325 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 0.24ms. Allocated memory is still 186.6MB. Free memory is still 140.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 203.16ms. Allocated memory is still 186.6MB. Free memory was 133.9MB in the beginning and 154.2MB in the end (delta: -20.4MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. * RCFGBuilder took 1662.81ms. Allocated memory was 186.6MB in the beginning and 296.7MB in the end (delta: 110.1MB). Free memory was 154.2MB in the beginning and 189.2MB in the end (delta: -35.1MB). Peak memory consumption was 79.3MB. Max. memory is 8.0GB. * TraceAbstraction took 764533.02ms. Allocated memory was 296.7MB in the beginning and 669.0MB in the end (delta: 372.2MB). Free memory was 188.7MB in the beginning and 141.5MB in the end (delta: 47.2MB). Peak memory consumption was 468.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 373, positive: 359, positive conditional: 359, 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: 12335, positive: 11935, positive conditional: 11935, positive unconditional: 0, negative: 400, negative conditional: 400, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11935, positive: 11935, positive conditional: 0, positive unconditional: 11935, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2515, positive: 2515, positive conditional: 0, positive unconditional: 2515, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11935, positive: 9420, positive conditional: 0, positive unconditional: 9420, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2515, unknown conditional: 0, unknown unconditional: 2515] , Statistics on independence cache: Total cache size (in pairs): 359, Positive cache size: 359, Positive conditional cache size: 0, Positive unconditional cache size: 359, 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: 1188, positive: 1153, positive conditional: 1153, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12335, positive: 11935, positive conditional: 11935, positive unconditional: 0, negative: 400, negative conditional: 400, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11935, positive: 11935, positive conditional: 0, positive unconditional: 11935, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2515, positive: 2515, positive conditional: 0, positive unconditional: 2515, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11935, positive: 9420, positive conditional: 0, positive unconditional: 9420, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2515, unknown conditional: 0, unknown unconditional: 2515] , Statistics on independence cache: Total cache size (in pairs): 1153, Positive cache size: 1153, Positive conditional cache size: 0, Positive unconditional cache size: 1153, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 49, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1674, positive: 1618, positive conditional: 1618, positive unconditional: 0, negative: 56, negative conditional: 56, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12335, positive: 11935, positive conditional: 11935, positive unconditional: 0, negative: 400, negative conditional: 400, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11935, positive: 11935, positive conditional: 0, positive unconditional: 11935, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2515, positive: 2515, positive conditional: 0, positive unconditional: 2515, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11935, positive: 9420, positive conditional: 0, positive unconditional: 9420, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2515, unknown conditional: 0, unknown unconditional: 2515] , Statistics on independence cache: Total cache size (in pairs): 1511, Positive cache size: 1511, Positive conditional cache size: 0, Positive unconditional cache size: 1511, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 105, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2795, positive: 2705, positive conditional: 2705, positive unconditional: 0, negative: 90, negative conditional: 90, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12335, positive: 11935, positive conditional: 11935, positive unconditional: 0, negative: 400, negative conditional: 400, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11935, positive: 11935, positive conditional: 0, positive unconditional: 11935, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2515, positive: 2515, positive conditional: 0, positive unconditional: 2515, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11935, positive: 9420, positive conditional: 0, positive unconditional: 9420, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2515, unknown conditional: 0, unknown unconditional: 2515] , Statistics on independence cache: Total cache size (in pairs): 2191, Positive cache size: 2191, Positive conditional cache size: 0, Positive unconditional cache size: 2191, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 195, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2386, positive: 2309, positive conditional: 2309, positive unconditional: 0, negative: 77, negative conditional: 77, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12335, positive: 11935, positive conditional: 11935, positive unconditional: 0, negative: 400, negative conditional: 400, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11935, positive: 11935, positive conditional: 0, positive unconditional: 11935, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2515, positive: 2515, positive conditional: 0, positive unconditional: 2515, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11935, positive: 9420, positive conditional: 0, positive unconditional: 9420, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2515, unknown conditional: 0, unknown unconditional: 2515] , Statistics on independence cache: Total cache size (in pairs): 2211, Positive cache size: 2211, Positive conditional cache size: 0, Positive unconditional cache size: 2211, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 272, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3919, positive: 3791, positive conditional: 3791, positive unconditional: 0, negative: 128, negative conditional: 128, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12335, positive: 11935, positive conditional: 11935, positive unconditional: 0, negative: 400, negative conditional: 400, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11935, positive: 11935, positive conditional: 0, positive unconditional: 11935, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2515, positive: 2515, positive conditional: 0, positive unconditional: 2515, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11935, positive: 9420, positive conditional: 0, positive unconditional: 9420, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2515, unknown conditional: 0, unknown unconditional: 2515] , Statistics on independence cache: Total cache size (in pairs): 2515, Positive cache size: 2515, Positive conditional cache size: 0, Positive unconditional cache size: 2515, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 400, Statistics for Abstraction: - TimeoutResultAtElement [Line: 1396]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1048 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-12-6-4-5-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-5-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 1463 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 764.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 90.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 471, 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, 0.9s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 3537 NumberOfCodeBlocks, 3537 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 3532 ConstructedInterpolants, 0 QuantifiedInterpolants, 54737 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 256/256 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