/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/09-regions_16-arrayloop_rc.line739.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-03 12:21:37,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 12:21:37,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 12:21:37,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 12:21:37,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 12:21:37,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 12:21:37,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 12:21:37,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 12:21:37,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 12:21:37,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 12:21:37,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 12:21:37,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 12:21:37,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 12:21:37,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 12:21:37,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 12:21:37,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 12:21:37,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 12:21:37,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 12:21:37,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 12:21:37,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 12:21:37,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 12:21:37,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 12:21:37,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 12:21:37,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 12:21:37,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-03 12:21:37,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 12:21:37,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 12:21:37,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 12:21:37,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 12:21:37,638 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 12:21:37,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 12:21:37,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 12:21:37,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 12:21:37,639 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 12:21:37,639 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 12:21:37,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 12:21:37,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 12:21:37,640 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 12:21:37,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 12:21:37,640 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 12:21:37,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 12:21:37,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 12:21:37,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 12:21:37,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 12:21:37,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 12:21:37,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 12:21:37,641 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 12:21:37,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 12:21:37,641 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 12:21:37,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 12:21:37,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 12:21:37,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 12:21:37,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 12:21:37,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 12:21:37,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 12:21:37,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 12:21:37,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 12:21:37,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 12:21:37,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 12:21:37,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 12:21:37,643 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 12:21:37,643 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 12:21:37,643 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 12:21:37,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 12:21:37,643 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 12:21:37,643 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 12:21:37,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 12:21:37,644 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 12:21:37,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 12:21:37,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 12:21:37,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 12:21:37,859 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 12:21:37,860 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 12:21:37,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_16-arrayloop_rc.line739.bpl [2022-10-03 12:21:37,861 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_16-arrayloop_rc.line739.bpl' [2022-10-03 12:21:37,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 12:21:37,923 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 12:21:37,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 12:21:37,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 12:21:37,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 12:21:37,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line739.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:21:37" (1/1) ... [2022-10-03 12:21:37,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line739.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:21:37" (1/1) ... [2022-10-03 12:21:37,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line739.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:21:37" (1/1) ... [2022-10-03 12:21:37,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line739.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:21:37" (1/1) ... [2022-10-03 12:21:37,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line739.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:21:37" (1/1) ... [2022-10-03 12:21:37,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line739.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:21:37" (1/1) ... [2022-10-03 12:21:37,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line739.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:21:37" (1/1) ... [2022-10-03 12:21:38,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 12:21:38,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 12:21:38,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 12:21:38,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 12:21:38,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "09-regions_16-arrayloop_rc.line739.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:21:37" (1/1) ... [2022-10-03 12:21:38,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 12:21:38,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:21:38,035 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 12:21:38,037 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 12:21:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-03 12:21:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-03 12:21:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 12:21:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 12:21:38,060 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 12:21:38,229 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 12:21:38,230 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 12:21:38,663 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 12:21:38,675 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 12:21:38,675 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-03 12:21:38,677 INFO L202 PluginConnector]: Adding new model 09-regions_16-arrayloop_rc.line739.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:21:38 BoogieIcfgContainer [2022-10-03 12:21:38,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 12:21:38,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 12:21:38,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 12:21:38,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 12:21:38,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_16-arrayloop_rc.line739.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 12:21:37" (1/2) ... [2022-10-03 12:21:38,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78dbf3ca and model type 09-regions_16-arrayloop_rc.line739.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:21:38, skipping insertion in model container [2022-10-03 12:21:38,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_16-arrayloop_rc.line739.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:21:38" (2/2) ... [2022-10-03 12:21:38,686 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_16-arrayloop_rc.line739.bpl [2022-10-03 12:21:38,692 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 12:21:38,699 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 12:21:38,699 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 12:21:38,699 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 12:21:38,781 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-03 12:21:38,829 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 12:21:38,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 12:21:38,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:21:38,832 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 12:21:38,832 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 12:21:38,857 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 12:21:38,863 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 12:21:38,867 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;@7983e7e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 12:21:38,867 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 12:21:39,011 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:21:39,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:21:39,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1592053286, now seen corresponding path program 1 times [2022-10-03 12:21:39,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:21:39,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265221195] [2022-10-03 12:21:39,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:21:39,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:21:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:21:39,257 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 12:21:39,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:21:39,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265221195] [2022-10-03 12:21:39,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265221195] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 12:21:39,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 12:21:39,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-03 12:21:39,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574303617] [2022-10-03 12:21:39,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 12:21:39,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-03 12:21:39,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:21:39,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-03 12:21:39,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-03 12:21:39,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:39,284 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:21:39,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 85.0) internal successors, (170), 2 states have internal predecessors, (170), 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 12:21:39,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:39,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:39,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 12:21:39,306 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:21:39,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:21:39,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1879232539, now seen corresponding path program 1 times [2022-10-03 12:21:39,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:21:39,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788088080] [2022-10-03 12:21:39,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:21:39,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:21:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:21:39,443 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 12:21:39,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:21:39,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788088080] [2022-10-03 12:21:39,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788088080] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 12:21:39,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 12:21:39,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-03 12:21:39,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263539099] [2022-10-03 12:21:39,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 12:21:39,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-03 12:21:39,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:21:39,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-03 12:21:39,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-03 12:21:39,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:39,446 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:21:39,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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 12:21:39,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:39,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:21:39,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-03 12:21:39,502 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:21:39,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:21:39,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1580005953, now seen corresponding path program 1 times [2022-10-03 12:21:39,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:21:39,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110815933] [2022-10-03 12:21:39,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:21:39,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:21:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:21:39,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:21:39,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:21:39,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110815933] [2022-10-03 12:21:39,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110815933] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 12:21:39,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195573613] [2022-10-03 12:21:39,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:21:39,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:21:39,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:21:39,649 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 12:21:39,649 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 12:21:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:21:39,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-03 12:21:39,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 12:21:39,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:21:39,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 12:21:40,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:21:40,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195573613] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 12:21:40,053 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 12:21:40,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-10-03 12:21:40,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776495802] [2022-10-03 12:21:40,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 12:21:40,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-03 12:21:40,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:21:40,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-03 12:21:40,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-10-03 12:21:40,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:40,057 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:21:40,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 33.1) internal successors, (331), 10 states have internal predecessors, (331), 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 12:21:40,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:40,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:21:40,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:40,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:40,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:21:40,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:21:40,190 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 12:21:40,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-10-03 12:21:40,384 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:21:40,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:21:40,384 INFO L85 PathProgramCache]: Analyzing trace with hash 855754369, now seen corresponding path program 2 times [2022-10-03 12:21:40,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:21:40,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74417560] [2022-10-03 12:21:40,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:21:40,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:21:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:21:40,658 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 12:21:40,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:21:40,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74417560] [2022-10-03 12:21:40,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74417560] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 12:21:40,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037415176] [2022-10-03 12:21:40,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-03 12:21:40,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:21:40,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:21:40,666 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 12:21:40,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-03 12:21:40,825 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-03 12:21:40,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-03 12:21:40,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-03 12:21:40,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 12:21:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-10-03 12:21:41,715 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-03 12:21:41,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037415176] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 12:21:41,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-03 12:21:41,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2022-10-03 12:21:41,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566580597] [2022-10-03 12:21:41,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 12:21:41,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-03 12:21:41,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:21:41,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-03 12:21:41,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-10-03 12:21:41,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:41,718 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:21:41,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 37.166666666666664) internal successors, (223), 7 states have internal predecessors, (223), 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 12:21:41,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:41,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:21:41,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:21:41,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:41,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:41,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:21:41,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:21:41,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-03 12:21:41,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-03 12:21:42,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:21:42,107 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:21:42,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:21:42,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1129369927, now seen corresponding path program 1 times [2022-10-03 12:21:42,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:21:42,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73576841] [2022-10-03 12:21:42,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:21:42,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:21:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:21:42,315 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-10-03 12:21:42,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:21:42,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73576841] [2022-10-03 12:21:42,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73576841] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 12:21:42,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80482276] [2022-10-03 12:21:42,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:21:42,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:21:42,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:21:42,317 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 12:21:42,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-03 12:21:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:21:42,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-03 12:21:42,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 12:21:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-10-03 12:21:42,692 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 12:21:42,873 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-10-03 12:21:42,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80482276] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 12:21:42,873 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 12:21:42,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-10-03 12:21:42,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86505894] [2022-10-03 12:21:42,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 12:21:42,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-03 12:21:42,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:21:42,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-03 12:21:42,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-10-03 12:21:42,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:42,876 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:21:42,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 31.944444444444443) internal successors, (575), 18 states have internal predecessors, (575), 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 12:21:42,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:42,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:21:42,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:21:42,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-03 12:21:42,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:43,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:43,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:21:43,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:21:43,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-03 12:21:43,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-03 12:21:43,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-03 12:21:43,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:21:43,277 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:21:43,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:21:43,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1411651783, now seen corresponding path program 2 times [2022-10-03 12:21:43,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:21:43,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262008136] [2022-10-03 12:21:43,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:21:43,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:21:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:21:43,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-10-03 12:21:43,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:21:43,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262008136] [2022-10-03 12:21:43,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262008136] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 12:21:43,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473168753] [2022-10-03 12:21:43,566 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-03 12:21:43,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:21:43,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:21:43,567 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 12:21:43,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-03 12:21:43,755 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-03 12:21:43,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-03 12:21:43,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-03 12:21:43,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 12:21:44,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2022-10-03 12:21:44,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 12:21:44,675 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 12:21:44,675 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 27 treesize of output 31 [2022-10-03 12:21:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2022-10-03 12:21:44,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473168753] provided 1 perfect and 1 imperfect interpolant sequences [2022-10-03 12:21:44,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-10-03 12:21:44,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [17, 5] total 24 [2022-10-03 12:21:44,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527156774] [2022-10-03 12:21:44,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 12:21:44,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-03 12:21:44,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:21:44,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-03 12:21:44,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2022-10-03 12:21:44,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:44,730 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:21:44,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 74.5) internal successors, (298), 5 states have internal predecessors, (298), 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 12:21:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:21:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:21:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-03 12:21:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-10-03 12:21:44,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:45,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:45,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:21:45,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:21:45,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-03 12:21:45,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-03 12:21:45,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-03 12:21:45,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-03 12:21:45,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:21:45,719 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:21:45,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:21:45,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1106118674, now seen corresponding path program 1 times [2022-10-03 12:21:45,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:21:45,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204428240] [2022-10-03 12:21:45,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:21:45,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:21:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:21:46,985 INFO L134 CoverageAnalysis]: Checked inductivity of 7636 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 6516 trivial. 0 not checked. [2022-10-03 12:21:46,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:21:46,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204428240] [2022-10-03 12:21:46,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204428240] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 12:21:46,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615624064] [2022-10-03 12:21:46,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:21:46,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:21:46,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:21:46,988 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 12:21:46,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-03 12:21:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:21:47,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 5928 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-03 12:21:47,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 12:21:48,254 INFO L134 CoverageAnalysis]: Checked inductivity of 7636 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 6516 trivial. 0 not checked. [2022-10-03 12:21:48,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 12:21:48,689 INFO L134 CoverageAnalysis]: Checked inductivity of 7636 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 6516 trivial. 0 not checked. [2022-10-03 12:21:48,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615624064] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 12:21:48,690 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 12:21:48,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-10-03 12:21:48,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957889319] [2022-10-03 12:21:48,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 12:21:48,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-10-03 12:21:48,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:21:48,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-10-03 12:21:48,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-10-03 12:21:48,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:48,695 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:21:48,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 36.26086956521739) internal successors, (834), 23 states have internal predecessors, (834), 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 12:21:48,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:48,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:21:48,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:21:48,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-03 12:21:48,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-10-03 12:21:48,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-03 12:21:48,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:49,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:21:49,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:21:49,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:21:49,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-03 12:21:49,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-03 12:21:49,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-03 12:21:49,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-03 12:21:49,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-03 12:21:49,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:21:49,500 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 12:21:49,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 12:21:49,500 INFO L85 PathProgramCache]: Analyzing trace with hash -245088172, now seen corresponding path program 2 times [2022-10-03 12:21:49,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 12:21:49,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347986177] [2022-10-03 12:21:49,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 12:21:49,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 12:22:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 12:22:23,259 INFO L134 CoverageAnalysis]: Checked inductivity of 8911 backedges. 4094 proven. 1084 refuted. 0 times theorem prover too weak. 3733 trivial. 0 not checked. [2022-10-03 12:22:23,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 12:22:23,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347986177] [2022-10-03 12:22:23,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347986177] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 12:22:23,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143743684] [2022-10-03 12:22:23,260 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-03 12:22:23,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:22:23,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 12:22:23,261 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 12:22:23,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-03 12:22:24,728 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-03 12:22:24,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-03 12:22:24,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 6378 conjuncts, 57 conjunts are in the unsatisfiable core [2022-10-03 12:22:24,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 12:22:25,931 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-03 12:22:25,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 12:22:25,954 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 12:22:26,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 12:22:26,047 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 12:22:26,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 12:22:26,562 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 12:22:26,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 12:22:26,644 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 12:22:27,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 12:22:27,039 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 12:22:27,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 12:22:27,122 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 12:22:27,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 12:22:27,599 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 12:22:27,919 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-03 12:22:27,962 INFO L134 CoverageAnalysis]: Checked inductivity of 8911 backedges. 4700 proven. 20 refuted. 0 times theorem prover too weak. 4191 trivial. 0 not checked. [2022-10-03 12:22:27,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 12:22:28,622 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3737 Int)) (not (= |c_#pthreadsMutex| (store |c_ULTIMATE.start_#PthreadsMutexLock_old_#pthreadsMutex#1| |c_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.base| (store (select |c_ULTIMATE.start_#PthreadsMutexLock_old_#pthreadsMutex#1| |c_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.base|) |c_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset| v_ArrVal_3737))))) is different from false [2022-10-03 12:22:28,629 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 12:22:28,629 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 1 case distinctions, treesize of input 20 treesize of output 16 [2022-10-03 12:22:29,052 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3737 Int) (|v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| Int)) (or (not (<= (+ (* |c_ULTIMATE.start_main_~j~0#1| 24) |c_~#mutex~0.offset|) |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21|)) (not (= (select (store (select |c_ULTIMATE.start_#PthreadsMutexLock_old_#pthreadsMutex#1| |c_~#mutex~0.base|) |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| v_ArrVal_3737) |c_~#mutex~0.offset|) 0)))) is different from false [2022-10-03 12:22:29,479 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3737 Int) (|v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| Int)) (or (not (<= (+ (* |c_ULTIMATE.start_main_~j~0#1| 24) |c_~#mutex~0.offset|) |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21|)) (not (= (select (store (select |c_#pthreadsMutex| |c_~#mutex~0.base|) |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| v_ArrVal_3737) |c_~#mutex~0.offset|) 0)))) is different from false [2022-10-03 12:22:29,873 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3737 Int) (|v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| Int)) (or (not (= (select (store (select |c_#pthreadsMutex| |c_~#mutex~0.base|) |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| v_ArrVal_3737) |c_~#mutex~0.offset|) 0)) (< |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| (+ (* |c_ULTIMATE.start_main_#t~post40#1| 24) |c_~#mutex~0.offset| 24)))) is different from false [2022-10-03 12:22:30,289 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3737 Int) (|v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| Int)) (or (< |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| (+ (* |c_ULTIMATE.start_main_~j~0#1| 24) |c_~#mutex~0.offset| 24)) (not (= (select (store (select |c_#pthreadsMutex| |c_~#mutex~0.base|) |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| v_ArrVal_3737) |c_~#mutex~0.offset|) 0)))) is different from false [2022-10-03 12:22:33,592 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3737 Int) (v_ArrVal_3733 Int) (v_ArrVal_3732 Int) (|v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_22| Int) (|v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| Int)) (let ((.cse0 (* |c_ULTIMATE.start_main_~j~0#1| 24))) (let ((.cse1 (+ .cse0 |c_~#mutex~0.offset|))) (or (< |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| (+ .cse0 |c_~#mutex~0.offset| 24)) (not (<= .cse1 |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_22|)) (not (= (select (store (store (store (select |c_ULTIMATE.start_#PthreadsMutexLock_old_#pthreadsMutex#1| |c_~#mutex~0.base|) |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_22| v_ArrVal_3732) .cse1 v_ArrVal_3733) |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| v_ArrVal_3737) |c_~#mutex~0.offset|) 0)))))) is different from false [2022-10-03 12:22:34,065 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3737 Int) (v_ArrVal_3733 Int) (v_ArrVal_3732 Int) (|v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_22| Int) (|v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| Int)) (let ((.cse0 (* |c_ULTIMATE.start_main_~j~0#1| 24))) (let ((.cse1 (+ .cse0 |c_~#mutex~0.offset|))) (or (< |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| (+ .cse0 |c_~#mutex~0.offset| 24)) (not (= (select (store (store (store (select |c_#pthreadsMutex| |c_~#mutex~0.base|) |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_22| v_ArrVal_3732) .cse1 v_ArrVal_3733) |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| v_ArrVal_3737) |c_~#mutex~0.offset|) 0)) (not (<= .cse1 |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_22|)))))) is different from false [2022-10-03 12:23:58,735 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3737 Int) (v_ArrVal_3733 Int) (v_ArrVal_3732 Int) (|v_ULTIMATE.start_main_~j~0#1_53| Int) (|v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_23| Int) (|v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_22| Int) (|v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| Int) (v_ArrVal_3728 Int) (v_ArrVal_3729 Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~j~0#1_53| 24))) (let ((.cse2 (+ .cse0 |c_~#mutex~0.offset|)) (.cse1 (+ (* |c_ULTIMATE.start_main_~j~0#1| 24) |c_~#mutex~0.offset|))) (or (< |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| (+ .cse0 |c_~#mutex~0.offset| 24)) (not (= (select (store (store (store (store (store (select |c_ULTIMATE.start_#PthreadsMutexLock_old_#pthreadsMutex#1| |c_~#mutex~0.base|) |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_23| v_ArrVal_3728) .cse1 v_ArrVal_3729) |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_22| v_ArrVal_3732) .cse2 v_ArrVal_3733) |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| v_ArrVal_3737) |c_~#mutex~0.offset|) 0)) (not (<= .cse2 |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_22|)) (< |v_ULTIMATE.start_main_~j~0#1_53| (+ |c_ULTIMATE.start_main_~j~0#1| 1)) (not (<= .cse1 |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_23|)))))) is different from false [2022-10-03 12:24:45,069 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~j~0#1_54| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post40#1| 1) |v_ULTIMATE.start_main_~j~0#1_54|)) (forall ((v_ArrVal_3737 Int) (v_ArrVal_3733 Int) (v_ArrVal_3732 Int) (|v_ULTIMATE.start_main_~j~0#1_53| Int) (|v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_22| Int) (|v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| Int) (v_ArrVal_3729 Int)) (let ((.cse1 (* |v_ULTIMATE.start_main_~j~0#1_53| 24))) (let ((.cse0 (+ .cse1 |c_~#mutex~0.offset|))) (or (not (= (select (store (store (store (store (select |c_#pthreadsMutex| |c_~#mutex~0.base|) (+ |c_~#mutex~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_54| 24)) v_ArrVal_3729) |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_22| v_ArrVal_3732) .cse0 v_ArrVal_3733) |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| v_ArrVal_3737) |c_~#mutex~0.offset|) 0)) (< |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| (+ .cse1 |c_~#mutex~0.offset| 24)) (not (<= .cse0 |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_22|)) (< |v_ULTIMATE.start_main_~j~0#1_53| (+ |v_ULTIMATE.start_main_~j~0#1_54| 1)))))))) is different from false [2022-10-03 12:28:35,122 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~j~0#1_55| Int)) (or (forall ((v_ArrVal_3726 Int) (v_ArrVal_3737 Int) (v_ArrVal_3733 Int) (v_ArrVal_3732 Int) (|v_ULTIMATE.start_main_~j~0#1_53| Int) (|v_ULTIMATE.start_main_~j~0#1_54| Int) (|v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_22| Int) (|v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| Int) (v_ArrVal_3729 Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~j~0#1_53| 24))) (let ((.cse1 (+ .cse0 |c_~#mutex~0.offset|))) (or (< |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| (+ .cse0 |c_~#mutex~0.offset| 24)) (not (= (select (store (store (store (store (store (select |c_#pthreadsMutex| |c_~#mutex~0.base|) (+ (* |v_ULTIMATE.start_main_~j~0#1_55| 24) |c_~#mutex~0.offset|) v_ArrVal_3726) (+ |c_~#mutex~0.offset| (* |v_ULTIMATE.start_main_~j~0#1_54| 24)) v_ArrVal_3729) |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_22| v_ArrVal_3732) .cse1 v_ArrVal_3733) |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| v_ArrVal_3737) |c_~#mutex~0.offset|) 0)) (not (<= .cse1 |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_22|)) (< |v_ULTIMATE.start_main_~j~0#1_53| (+ |v_ULTIMATE.start_main_~j~0#1_54| 1)) (< |v_ULTIMATE.start_main_~j~0#1_54| (+ |v_ULTIMATE.start_main_~j~0#1_55| 1)))))) (not (<= (+ |c_ULTIMATE.start_main_#t~post40#1| 1) |v_ULTIMATE.start_main_~j~0#1_55|)))) is different from false [2022-10-03 12:29:32,902 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 12:29:32,902 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 51 [2022-10-03 12:29:32,915 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 12:29:32,916 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 51 treesize of output 55 [2022-10-03 12:29:32,979 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17301678 treesize of output 17268910 [2022-10-03 12:30:18,470 WARN L233 SmtUtils]: Spent 45.49s on a formula simplification that was a NOOP. DAG size: 4884 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-10-03 12:33:47,029 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 12:33:47,031 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 1086140 treesize of output 1084098 [2022-10-03 12:34:53,066 INFO L134 CoverageAnalysis]: Checked inductivity of 8911 backedges. 4020 proven. 15 refuted. 618 times theorem prover too weak. 4191 trivial. 67 not checked. [2022-10-03 12:34:53,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143743684] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 12:34:53,066 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 12:34:53,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 25, 29] total 62 [2022-10-03 12:34:53,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024667281] [2022-10-03 12:34:53,067 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 12:34:53,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-10-03 12:34:53,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 12:34:53,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-10-03 12:34:53,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=394, Invalid=2134, Unknown=164, NotChecked=1090, Total=3782 [2022-10-03 12:34:53,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:34:53,073 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 12:34:53,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 36.32258064516129) internal successors, (2252), 62 states have internal predecessors, (2252), 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 12:34:53,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:34:53,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-03 12:34:53,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-03 12:34:53,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-03 12:34:53,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-10-03 12:34:53,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-03 12:34:53,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-03 12:34:53,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 12:34:55,492 WARN L833 $PredicateComparison]: unable to prove that (and (= |c_t_funThread1of1ForFork0_#PthreadsMutexLock_#inputPtr#1.offset| |c_~#mutex~0.offset|) (= (select (select |c_#pthreadsMutex| |c_~#mutex~0.base|) |c_~#mutex~0.offset|) 1) (= |c_~#mutex~0.base| |c_t_funThread1of1ForFork0_#PthreadsMutexLock_#inputPtr#1.base|) (forall ((|v_ULTIMATE.start_main_~j~0#1_53| Int)) (or (not (<= (+ |c_ULTIMATE.start_main_#t~post40#1| 1) |v_ULTIMATE.start_main_~j~0#1_53|)) (forall ((v_ArrVal_3737 Int) (v_ArrVal_3733 Int) (v_ArrVal_3732 Int) (|v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_22| Int) (|v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~j~0#1_53| 24))) (let ((.cse1 (+ .cse0 |c_~#mutex~0.offset|))) (or (< |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| (+ .cse0 |c_~#mutex~0.offset| 24)) (not (<= .cse1 |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_22|)) (not (= (select (store (store (store (select |c_#pthreadsMutex| |c_~#mutex~0.base|) |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_22| v_ArrVal_3732) .cse1 v_ArrVal_3733) |v_ULTIMATE.start_#PthreadsMutexLock_#inputPtr#1.offset_21| v_ArrVal_3737) |c_~#mutex~0.offset|) 0)))))))) (= |c_~#mutex~0.offset| 0) (<= 1 |c_ULTIMATE.start_main_~j~0#1|) (<= 0 |c_ULTIMATE.start_main_#t~post40#1|)) is different from false Received shutdown request... [2022-10-03 12:36:06,254 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 12:36:06,254 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 12:36:06,254 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-03 12:36:06,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-10-03 12:36:06,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 12:36:06,930 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 71 known predicates. [2022-10-03 12:36:06,932 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 12:36:06,934 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1] [2022-10-03 12:36:06,935 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-10-03 12:36:06,936 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-03 12:36:06,936 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-03 12:36:06,938 INFO L202 PluginConnector]: Adding new model 09-regions_16-arrayloop_rc.line739.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 12:36:06 BasicIcfg [2022-10-03 12:36:06,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-03 12:36:06,939 INFO L158 Benchmark]: Toolchain (without parser) took 869015.43ms. Allocated memory was 176.2MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 129.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 383.3MB. Max. memory is 8.0GB. [2022-10-03 12:36:06,939 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-03 12:36:06,939 INFO L158 Benchmark]: Boogie Preprocessor took 78.56ms. Allocated memory is still 176.2MB. Free memory was 129.3MB in the beginning and 126.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-10-03 12:36:06,939 INFO L158 Benchmark]: RCFGBuilder took 669.60ms. Allocated memory was 176.2MB in the beginning and 243.3MB in the end (delta: 67.1MB). Free memory was 126.0MB in the beginning and 197.2MB in the end (delta: -71.3MB). Peak memory consumption was 20.7MB. Max. memory is 8.0GB. [2022-10-03 12:36:06,939 INFO L158 Benchmark]: TraceAbstraction took 868259.16ms. Allocated memory was 243.3MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 196.7MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 382.5MB. Max. memory is 8.0GB. [2022-10-03 12:36:06,940 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 0.10ms. Allocated memory is still 176.2MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 78.56ms. Allocated memory is still 176.2MB. Free memory was 129.3MB in the beginning and 126.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 669.60ms. Allocated memory was 176.2MB in the beginning and 243.3MB in the end (delta: 67.1MB). Free memory was 126.0MB in the beginning and 197.2MB in the end (delta: -71.3MB). Peak memory consumption was 20.7MB. Max. memory is 8.0GB. * TraceAbstraction took 868259.16ms. Allocated memory was 243.3MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 196.7MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 382.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 106, positive: 100, positive conditional: 100, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26072, positive: 25197, positive conditional: 25197, positive unconditional: 0, negative: 875, negative conditional: 875, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25263, positive: 25197, positive conditional: 0, positive unconditional: 25197, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6634, positive: 6609, positive conditional: 0, positive unconditional: 6609, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25263, positive: 18588, positive conditional: 0, positive unconditional: 18588, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 6634, unknown conditional: 0, unknown unconditional: 6634] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 100, Positive conditional cache size: 0, Positive unconditional cache size: 100, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 6, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 104, positive: 100, positive conditional: 100, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26072, positive: 25197, positive conditional: 25197, positive unconditional: 0, negative: 875, negative conditional: 875, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25263, positive: 25197, positive conditional: 0, positive unconditional: 25197, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6634, positive: 6609, positive conditional: 0, positive unconditional: 6609, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25263, positive: 18588, positive conditional: 0, positive unconditional: 18588, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 6634, unknown conditional: 0, unknown unconditional: 6634] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 100, Positive conditional cache size: 0, Positive unconditional cache size: 100, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 10, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 107, positive: 100, positive conditional: 100, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26072, positive: 25197, positive conditional: 25197, positive unconditional: 0, negative: 875, negative conditional: 875, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25263, positive: 25197, positive conditional: 0, positive unconditional: 25197, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6634, positive: 6609, positive conditional: 0, positive unconditional: 6609, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25263, positive: 18588, positive conditional: 0, positive unconditional: 18588, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 6634, unknown conditional: 0, unknown unconditional: 6634] , Statistics on independence cache: Total cache size (in pairs): 106, Positive cache size: 106, Positive conditional cache size: 0, Positive unconditional cache size: 106, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 17, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 113, positive: 100, positive conditional: 100, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26072, positive: 25197, positive conditional: 25197, positive unconditional: 0, negative: 875, negative conditional: 875, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25263, positive: 25197, positive conditional: 0, positive unconditional: 25197, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6634, positive: 6609, positive conditional: 0, positive unconditional: 6609, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25263, positive: 18588, positive conditional: 0, positive unconditional: 18588, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 6634, unknown conditional: 0, unknown unconditional: 6634] , Statistics on independence cache: Total cache size (in pairs): 106, Positive cache size: 106, Positive conditional cache size: 0, Positive unconditional cache size: 106, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 30, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 242, positive: 228, positive conditional: 228, 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: 26072, positive: 25197, positive conditional: 25197, positive unconditional: 0, negative: 875, negative conditional: 875, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25263, positive: 25197, positive conditional: 0, positive unconditional: 25197, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6634, positive: 6609, positive conditional: 0, positive unconditional: 6609, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25263, positive: 18588, positive conditional: 0, positive unconditional: 18588, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 6634, unknown conditional: 0, unknown unconditional: 6634] , Statistics on independence cache: Total cache size (in pairs): 155, Positive cache size: 155, Positive conditional cache size: 0, Positive unconditional cache size: 155, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 44, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 254, positive: 228, positive conditional: 228, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26072, positive: 25197, positive conditional: 25197, positive unconditional: 0, negative: 875, negative conditional: 875, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25263, positive: 25197, positive conditional: 0, positive unconditional: 25197, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6634, positive: 6609, positive conditional: 0, positive unconditional: 6609, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25263, positive: 18588, positive conditional: 0, positive unconditional: 18588, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 6634, unknown conditional: 0, unknown unconditional: 6634] , Statistics on independence cache: Total cache size (in pairs): 155, Positive cache size: 155, Positive conditional cache size: 0, Positive unconditional cache size: 155, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 70, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 11894, positive: 11527, positive conditional: 11527, positive unconditional: 0, negative: 367, negative conditional: 367, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26072, positive: 25197, positive conditional: 25197, positive unconditional: 0, negative: 875, negative conditional: 875, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25263, positive: 25197, positive conditional: 0, positive unconditional: 25197, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6634, positive: 6609, positive conditional: 0, positive unconditional: 6609, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25263, positive: 18588, positive conditional: 0, positive unconditional: 18588, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 6634, unknown conditional: 0, unknown unconditional: 6634] , Statistics on independence cache: Total cache size (in pairs): 6144, Positive cache size: 6120, Positive conditional cache size: 0, Positive unconditional cache size: 6120, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Independence queries for same thread: 405, Statistics for Abstraction: - StatisticsResult: Independence relation #8 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 11899, positive: 11529, positive conditional: 11529, positive unconditional: 0, negative: 370, negative conditional: 370, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26072, positive: 25197, positive conditional: 25197, positive unconditional: 0, negative: 875, negative conditional: 875, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25263, positive: 25197, positive conditional: 0, positive unconditional: 25197, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6634, positive: 6609, positive conditional: 0, positive unconditional: 6609, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25263, positive: 18588, positive conditional: 0, positive unconditional: 18588, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 6634, unknown conditional: 0, unknown unconditional: 6634] , Statistics on independence cache: Total cache size (in pairs): 6144, Positive cache size: 6120, Positive conditional cache size: 0, Positive unconditional cache size: 6120, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Independence queries for same thread: 743, Statistics for Abstraction: - StatisticsResult: Independence relation #9 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1353, positive: 1285, positive conditional: 1285, 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: 26072, positive: 25197, positive conditional: 25197, positive unconditional: 0, negative: 875, negative conditional: 875, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25263, positive: 25197, positive conditional: 0, positive unconditional: 25197, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6634, positive: 6609, positive conditional: 0, positive unconditional: 6609, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25263, positive: 18588, positive conditional: 0, positive unconditional: 18588, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 6634, unknown conditional: 0, unknown unconditional: 6634] , Statistics on independence cache: Total cache size (in pairs): 6634, Positive cache size: 6609, Positive conditional cache size: 0, Positive unconditional cache size: 6609, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Independence queries for same thread: 809, Statistics for Abstraction: - TimeoutResultAtElement [Line: 739]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 71 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 473 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 868.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 75.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 96, 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: 0.6s SsaConstructionTime, 34.1s SatisfiabilityAnalysisTime, 755.1s InterpolantComputationTime, 12786 NumberOfCodeBlocks, 12129 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 18661 ConstructedInterpolants, 479 QuantifiedInterpolants, 71149 SizeOfPredicates, 74 NumberOfNonLiveVariables, 15040 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 19 InterpolantComputations, 4 PerfectInterpolantSequences, 47454/54390 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