/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.line674.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-29 19:23:55,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 19:23:55,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 19:23:56,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-29 19:23:56,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 19:23:56,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 19:23:56,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 19:23:56,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 19:23:56,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 19:23:56,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 19:23:56,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 19:23:56,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 19:23:56,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 19:23:56,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 19:23:56,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 19:23:56,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 19:23:56,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 19:23:56,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 19:23:56,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 19:23:56,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 19:23:56,072 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-29 19:23:56,098 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 19:23:56,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 19:23:56,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 19:23:56,099 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 19:23:56,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-29 19:23:56,100 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-29 19:23:56,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 19:23:56,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 19:23:56,100 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 19:23:56,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 19:23:56,101 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 19:23:56,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 19:23:56,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 19:23:56,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 19:23:56,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-29 19:23:56,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-29 19:23:56,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-29 19:23:56,101 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 19:23:56,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 19:23:56,102 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 19:23:56,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-29 19:23:56,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 19:23:56,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 19:23:56,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-29 19:23:56,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-29 19:23:56,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 19:23:56,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 19:23:56,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-29 19:23:56,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-29 19:23:56,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 19:23:56,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-29 19:23:56,103 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-29 19:23:56,103 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-29 19:23:56,103 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-29 19:23:56,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-29 19:23:56,103 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-29 19:23:56,103 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-29 19:23:56,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-29 19:23:56,103 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 19:23:56,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 19:23:56,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 19:23:56,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 19:23:56,293 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 19:23:56,293 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 19:23:56,294 INFO L432 ainManager$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.line674.bpl [2022-09-29 19:23:56,295 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_16-arrayloop_rc.line674.bpl' [2022-09-29 19:23:56,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 19:23:56,330 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-29 19:23:56,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 19:23:56,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 19:23:56,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 19:23:56,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line674.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:23:56" (1/1) ... [2022-09-29 19:23:56,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line674.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:23:56" (1/1) ... [2022-09-29 19:23:56,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line674.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:23:56" (1/1) ... [2022-09-29 19:23:56,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line674.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:23:56" (1/1) ... [2022-09-29 19:23:56,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line674.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:23:56" (1/1) ... [2022-09-29 19:23:56,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line674.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:23:56" (1/1) ... [2022-09-29 19:23:56,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line674.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:23:56" (1/1) ... [2022-09-29 19:23:56,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 19:23:56,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 19:23:56,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 19:23:56,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 19:23:56,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "09-regions_16-arrayloop_rc.line674.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:23:56" (1/1) ... [2022-09-29 19:23:56,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 19:23:56,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:23:56,449 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) [2022-09-29 19:23:56,474 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 [2022-09-29 19:23:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-09-29 19:23:56,498 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-09-29 19:23:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 19:23:56,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 19:23:56,499 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 19:23:56,629 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 19:23:56,630 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 19:23:56,975 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 19:23:56,986 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 19:23:56,986 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-09-29 19:23:56,988 INFO L202 PluginConnector]: Adding new model 09-regions_16-arrayloop_rc.line674.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 07:23:56 BoogieIcfgContainer [2022-09-29 19:23:56,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 19:23:56,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-29 19:23:56,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-29 19:23:57,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-29 19:23:57,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_16-arrayloop_rc.line674.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:23:56" (1/2) ... [2022-09-29 19:23:57,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622ebc75 and model type 09-regions_16-arrayloop_rc.line674.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 07:23:57, skipping insertion in model container [2022-09-29 19:23:57,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_16-arrayloop_rc.line674.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 07:23:56" (2/2) ... [2022-09-29 19:23:57,007 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_16-arrayloop_rc.line674.bpl [2022-09-29 19:23:57,013 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-29 19:23:57,019 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-29 19:23:57,020 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-29 19:23:57,020 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-29 19:23:57,074 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-29 19:23:57,119 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 19:23:57,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 19:23:57,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:23:57,122 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) [2022-09-29 19:23:57,123 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 [2022-09-29 19:23:57,154 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 19:23:57,160 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 19:23:57,165 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;@f90dd62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 19:23:57,165 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 19:23:57,272 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:23:57,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:23:57,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1069375090, now seen corresponding path program 1 times [2022-09-29 19:23:57,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:23:57,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448124996] [2022-09-29 19:23:57,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:23:57,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:23:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:23:57,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:23:57,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:23:57,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448124996] [2022-09-29 19:23:57,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448124996] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 19:23:57,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 19:23:57,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-29 19:23:57,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98225284] [2022-09-29 19:23:57,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 19:23:57,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-29 19:23:57,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:23:57,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-29 19:23:57,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-29 19:23:57,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:23:57,534 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:23:57,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 59.0) internal successors, (118), 2 states have internal predecessors, (118), 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) [2022-09-29 19:23:57,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:23:57,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:23:57,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-29 19:23:57,553 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:23:57,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:23:57,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1349724979, now seen corresponding path program 1 times [2022-09-29 19:23:57,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:23:57,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140206483] [2022-09-29 19:23:57,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:23:57,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:23:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:23:57,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:23:57,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:23:57,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140206483] [2022-09-29 19:23:57,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140206483] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 19:23:57,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 19:23:57,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-29 19:23:57,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879894344] [2022-09-29 19:23:57,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 19:23:57,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-29 19:23:57,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:23:57,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-29 19:23:57,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-29 19:23:57,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:23:57,626 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:23:57,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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) [2022-09-29 19:23:57,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:23:57,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:23:57,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:23:57,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:23:57,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-29 19:23:57,676 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:23:57,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:23:57,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1174518227, now seen corresponding path program 1 times [2022-09-29 19:23:57,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:23:57,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976806142] [2022-09-29 19:23:57,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:23:57,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:23:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:23:57,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:23:57,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:23:57,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976806142] [2022-09-29 19:23:57,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976806142] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 19:23:57,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493396615] [2022-09-29 19:23:57,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:23:57,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:23:57,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:23:57,796 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) [2022-09-29 19:23:57,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-09-29 19:23:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:23:57,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 19:23:58,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 19:23:58,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:23:58,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 19:23:58,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:23:58,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493396615] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 19:23:58,218 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 19:23:58,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-09-29 19:23:58,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397385211] [2022-09-29 19:23:58,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 19:23:58,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-29 19:23:58,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:23:58,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-29 19:23:58,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-09-29 19:23:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:23:58,224 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:23:58,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 27.9) internal successors, (279), 10 states have internal predecessors, (279), 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) [2022-09-29 19:23:58,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:23:58,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:23:58,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:23:58,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:23:58,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:23:58,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:23:58,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-09-29 19:23:58,571 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 [2022-09-29 19:23:58,572 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:23:58,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:23:58,572 INFO L85 PathProgramCache]: Analyzing trace with hash -646162989, now seen corresponding path program 2 times [2022-09-29 19:23:58,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:23:58,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850511160] [2022-09-29 19:23:58,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:23:58,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:23:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:23:58,772 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:23:58,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:23:58,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850511160] [2022-09-29 19:23:58,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850511160] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 19:23:58,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118615696] [2022-09-29 19:23:58,773 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-09-29 19:23:58,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:23:58,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:23:58,775 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) [2022-09-29 19:23:58,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-09-29 19:23:58,890 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-09-29 19:23:58,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-29 19:23:58,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 19 conjunts are in the unsatisfiable core [2022-09-29 19:23:58,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 19:23:58,953 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-09-29 19:23:59,031 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-09-29 19:23:59,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-29 19:23:59,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118615696] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 19:23:59,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-29 19:23:59,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 15 [2022-09-29 19:23:59,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165478994] [2022-09-29 19:23:59,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 19:23:59,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-09-29 19:23:59,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:23:59,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-09-29 19:23:59,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2022-09-29 19:23:59,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:23:59,034 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:23:59,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 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) [2022-09-29 19:23:59,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:23:59,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:23:59,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:23:59,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:24:00,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:24:00,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:24:00,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:24:00,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:24:00,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-09-29 19:24:00,539 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 [2022-09-29 19:24:00,540 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:24:00,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:24:00,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1375861431, now seen corresponding path program 1 times [2022-09-29 19:24:00,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:24:00,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508000540] [2022-09-29 19:24:00,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:24:00,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:24:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:24:02,361 INFO L134 CoverageAnalysis]: Checked inductivity of 15744 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 15582 trivial. 0 not checked. [2022-09-29 19:24:02,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:24:02,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508000540] [2022-09-29 19:24:02,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508000540] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 19:24:02,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928063896] [2022-09-29 19:24:02,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:24:02,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:24:02,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:24:02,364 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) [2022-09-29 19:24:02,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-09-29 19:24:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:24:03,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 7459 conjuncts, 8 conjunts are in the unsatisfiable core [2022-09-29 19:24:03,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 19:24:03,784 INFO L134 CoverageAnalysis]: Checked inductivity of 15744 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 15582 trivial. 0 not checked. [2022-09-29 19:24:03,784 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 19:24:04,030 INFO L134 CoverageAnalysis]: Checked inductivity of 15744 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 15582 trivial. 0 not checked. [2022-09-29 19:24:04,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928063896] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 19:24:04,031 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 19:24:04,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-09-29 19:24:04,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615830407] [2022-09-29 19:24:04,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 19:24:04,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-29 19:24:04,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:24:04,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-29 19:24:04,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-09-29 19:24:04,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:24:04,037 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:24:04,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 37.5) internal successors, (675), 18 states have internal predecessors, (675), 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) [2022-09-29 19:24:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:24:04,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:24:04,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:24:04,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:24:04,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:24:04,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:24:04,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:24:04,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:24:04,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:24:04,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-29 19:24:04,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-09-29 19:24:05,119 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 [2022-09-29 19:24:05,120 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:24:05,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:24:05,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1721879881, now seen corresponding path program 2 times [2022-09-29 19:24:05,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:24:05,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899681360] [2022-09-29 19:24:05,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:24:05,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:24:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:24:07,387 INFO L134 CoverageAnalysis]: Checked inductivity of 16702 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 15582 trivial. 0 not checked. [2022-09-29 19:24:07,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:24:07,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899681360] [2022-09-29 19:24:07,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899681360] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 19:24:07,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967681645] [2022-09-29 19:24:07,388 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-09-29 19:24:07,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:24:07,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:24:07,392 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) [2022-09-29 19:24:07,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-09-29 19:24:08,556 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-09-29 19:24:08,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-29 19:24:08,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 8059 conjuncts, 16 conjunts are in the unsatisfiable core [2022-09-29 19:24:08,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 19:24:09,025 INFO L134 CoverageAnalysis]: Checked inductivity of 16702 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 15582 trivial. 0 not checked. [2022-09-29 19:24:09,025 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 19:24:09,467 INFO L134 CoverageAnalysis]: Checked inductivity of 16702 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 15582 trivial. 0 not checked. [2022-09-29 19:24:09,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967681645] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 19:24:09,467 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 19:24:09,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-09-29 19:24:09,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060050129] [2022-09-29 19:24:09,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 19:24:09,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-29 19:24:09,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:24:09,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-29 19:24:09,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-09-29 19:24:09,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:24:09,475 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:24:09,476 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) [2022-09-29 19:24:09,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:24:09,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:24:09,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:24:09,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:24:09,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-09-29 19:24:09,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:24:10,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:24:10,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:24:10,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:24:10,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:24:10,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-29 19:24:10,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-29 19:24:10,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-09-29 19:24:10,611 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 [2022-09-29 19:24:10,612 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:24:10,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:24:10,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1102480407, now seen corresponding path program 3 times [2022-09-29 19:24:10,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:24:10,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180068845] [2022-09-29 19:24:10,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:24:10,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:24:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:24:13,795 INFO L134 CoverageAnalysis]: Checked inductivity of 17977 backedges. 13780 proven. 1765 refuted. 0 times theorem prover too weak. 2432 trivial. 0 not checked. [2022-09-29 19:24:13,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:24:13,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180068845] [2022-09-29 19:24:13,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180068845] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 19:24:13,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777377935] [2022-09-29 19:24:13,796 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-09-29 19:24:13,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:24:13,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:24:13,797 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) [2022-09-29 19:24:13,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process Received shutdown request... [2022-09-29 19:38:37,839 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 [2022-09-29 19:38:37,840 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 19:38:37,840 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 [2022-09-29 19:38:38,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-09-29 19:38:38,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2022-09-29 19:38:39,059 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forcibly destroying the process [2022-09-29 19:38:39,110 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-09-29 19:38:39,110 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-09-29 19:38:39,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2022-09-29 19:38:39,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533841458] [2022-09-29 19:38:39,110 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-09-29 19:38:39,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 137 [2022-09-29 19:38:39,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-09-29 19:38:39,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:38:39,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-09-29 19:38:39,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=797, Unknown=0, NotChecked=0, Total=1056 [2022-09-29 19:38:39,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:38:39,118 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:38:39,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 80.18181818181819) internal successors, (2646), 33 states have internal predecessors, (2646), 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) [2022-09-29 19:38:39,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:38:39,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:38:39,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:38:39,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:38:39,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-09-29 19:38:39,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-09-29 19:38:39,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:38:39,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-09-29 19:38:39,120 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-09-29 19:38:39,123 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 19:38:39,126 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1] [2022-09-29 19:38:39,127 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-09-29 19:38:39,129 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-29 19:38:39,129 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-29 19:38:39,131 INFO L202 PluginConnector]: Adding new model 09-regions_16-arrayloop_rc.line674.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 07:38:39 BasicIcfg [2022-09-29 19:38:39,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-29 19:38:39,131 INFO L158 Benchmark]: Toolchain (without parser) took 882801.55ms. Allocated memory was 210.8MB in the beginning and 5.3GB in the end (delta: 5.1GB). Free memory was 170.7MB in the beginning and 3.9GB in the end (delta: -3.7GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2022-09-29 19:38:39,132 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 210.8MB. Free memory was 174.1MB in the beginning and 173.9MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 19:38:39,132 INFO L158 Benchmark]: Boogie Preprocessor took 70.21ms. Allocated memory is still 210.8MB. Free memory was 170.7MB in the beginning and 167.3MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-29 19:38:39,132 INFO L158 Benchmark]: RCFGBuilder took 583.62ms. Allocated memory is still 210.8MB. Free memory was 167.3MB in the beginning and 177.6MB in the end (delta: -10.3MB). Peak memory consumption was 27.9MB. Max. memory is 8.0GB. [2022-09-29 19:38:39,132 INFO L158 Benchmark]: TraceAbstraction took 882141.70ms. Allocated memory was 210.8MB in the beginning and 5.3GB in the end (delta: 5.1GB). Free memory was 177.2MB in the beginning and 3.9GB in the end (delta: -3.7GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2022-09-29 19:38:39,133 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13ms. Allocated memory is still 210.8MB. Free memory was 174.1MB in the beginning and 173.9MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 70.21ms. Allocated memory is still 210.8MB. Free memory was 170.7MB in the beginning and 167.3MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 583.62ms. Allocated memory is still 210.8MB. Free memory was 167.3MB in the beginning and 177.6MB in the end (delta: -10.3MB). Peak memory consumption was 27.9MB. Max. memory is 8.0GB. * TraceAbstraction took 882141.70ms. Allocated memory was 210.8MB in the beginning and 5.3GB in the end (delta: 5.1GB). Free memory was 177.2MB in the beginning and 3.9GB in the end (delta: -3.7GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 54, positive: 48, positive conditional: 48, 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: 66004, positive: 63638, positive conditional: 63638, positive unconditional: 0, negative: 2366, negative conditional: 2366, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 64025, positive: 63638, positive conditional: 0, positive unconditional: 63638, negative: 387, negative conditional: 0, negative unconditional: 387, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11247, positive: 11171, positive conditional: 0, positive unconditional: 11171, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 64025, positive: 52467, positive conditional: 0, positive unconditional: 52467, negative: 311, negative conditional: 0, negative unconditional: 311, unknown: 11247, unknown conditional: 0, unknown unconditional: 11247] , Statistics on independence cache: Total cache size (in pairs): 48, Positive cache size: 48, Positive conditional cache size: 0, Positive unconditional cache size: 48, 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: 52, positive: 48, positive conditional: 48, 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: 66004, positive: 63638, positive conditional: 63638, positive unconditional: 0, negative: 2366, negative conditional: 2366, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 64025, positive: 63638, positive conditional: 0, positive unconditional: 63638, negative: 387, negative conditional: 0, negative unconditional: 387, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11247, positive: 11171, positive conditional: 0, positive unconditional: 11171, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 64025, positive: 52467, positive conditional: 0, positive unconditional: 52467, negative: 311, negative conditional: 0, negative unconditional: 311, unknown: 11247, unknown conditional: 0, unknown unconditional: 11247] , Statistics on independence cache: Total cache size (in pairs): 48, Positive cache size: 48, Positive conditional cache size: 0, Positive unconditional cache size: 48, 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: 55, positive: 48, positive conditional: 48, 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: 66004, positive: 63638, positive conditional: 63638, positive unconditional: 0, negative: 2366, negative conditional: 2366, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 64025, positive: 63638, positive conditional: 0, positive unconditional: 63638, negative: 387, negative conditional: 0, negative unconditional: 387, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11247, positive: 11171, positive conditional: 0, positive unconditional: 11171, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 64025, positive: 52467, positive conditional: 0, positive unconditional: 52467, negative: 311, negative conditional: 0, negative unconditional: 311, unknown: 11247, unknown conditional: 0, unknown unconditional: 11247] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 52, Positive conditional cache size: 0, Positive unconditional cache size: 52, 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: 61, positive: 48, positive conditional: 48, 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: 66004, positive: 63638, positive conditional: 63638, positive unconditional: 0, negative: 2366, negative conditional: 2366, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 64025, positive: 63638, positive conditional: 0, positive unconditional: 63638, negative: 387, negative conditional: 0, negative unconditional: 387, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11247, positive: 11171, positive conditional: 0, positive unconditional: 11171, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 64025, positive: 52467, positive conditional: 0, positive unconditional: 52467, negative: 311, negative conditional: 0, negative unconditional: 311, unknown: 11247, unknown conditional: 0, unknown unconditional: 11247] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 52, Positive conditional cache size: 0, Positive unconditional cache size: 52, 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: 21925, positive: 21156, positive conditional: 21156, positive unconditional: 0, negative: 769, negative conditional: 769, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 66004, positive: 63638, positive conditional: 63638, positive unconditional: 0, negative: 2366, negative conditional: 2366, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 64025, positive: 63638, positive conditional: 0, positive unconditional: 63638, negative: 387, negative conditional: 0, negative unconditional: 387, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11247, positive: 11171, positive conditional: 0, positive unconditional: 11171, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 64025, positive: 52467, positive conditional: 0, positive unconditional: 52467, negative: 311, negative conditional: 0, negative unconditional: 311, unknown: 11247, unknown conditional: 0, unknown unconditional: 11247] , Statistics on independence cache: Total cache size (in pairs): 11247, Positive cache size: 11171, Positive conditional cache size: 0, Positive unconditional cache size: 11171, Negative cache size: 76, Negative conditional cache size: 0, Negative unconditional cache size: 76, Independence queries for same thread: 670, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 21924, positive: 21145, positive conditional: 21145, positive unconditional: 0, negative: 779, negative conditional: 779, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 66004, positive: 63638, positive conditional: 63638, positive unconditional: 0, negative: 2366, negative conditional: 2366, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 64025, positive: 63638, positive conditional: 0, positive unconditional: 63638, negative: 387, negative conditional: 0, negative unconditional: 387, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11247, positive: 11171, positive conditional: 0, positive unconditional: 11171, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 64025, positive: 52467, positive conditional: 0, positive unconditional: 52467, negative: 311, negative conditional: 0, negative unconditional: 311, unknown: 11247, unknown conditional: 0, unknown unconditional: 11247] , Statistics on independence cache: Total cache size (in pairs): 11247, Positive cache size: 11171, Positive conditional cache size: 0, Positive unconditional cache size: 11171, Negative cache size: 76, Negative conditional cache size: 0, Negative unconditional cache size: 76, Independence queries for same thread: 1320, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 21933, positive: 21145, positive conditional: 21145, positive unconditional: 0, negative: 788, negative conditional: 788, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 66004, positive: 63638, positive conditional: 63638, positive unconditional: 0, negative: 2366, negative conditional: 2366, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 64025, positive: 63638, positive conditional: 0, positive unconditional: 63638, negative: 387, negative conditional: 0, negative unconditional: 387, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11247, positive: 11171, positive conditional: 0, positive unconditional: 11171, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 64025, positive: 52467, positive conditional: 0, positive unconditional: 52467, negative: 311, negative conditional: 0, negative unconditional: 311, unknown: 11247, unknown conditional: 0, unknown unconditional: 11247] , Statistics on independence cache: Total cache size (in pairs): 11247, Positive cache size: 11171, Positive conditional cache size: 0, Positive unconditional cache size: 11171, Negative cache size: 76, Negative conditional cache size: 0, Negative unconditional cache size: 76, Independence queries for same thread: 1979, Statistics for Abstraction: - StatisticsResult: Independence relation #8 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 66004, positive: 63638, positive conditional: 63638, positive unconditional: 0, negative: 2366, negative conditional: 2366, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 64025, positive: 63638, positive conditional: 0, positive unconditional: 63638, negative: 387, negative conditional: 0, negative unconditional: 387, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11247, positive: 11171, positive conditional: 0, positive unconditional: 11171, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 64025, positive: 52467, positive conditional: 0, positive unconditional: 52467, negative: 311, negative conditional: 0, negative unconditional: 311, unknown: 11247, unknown conditional: 0, unknown unconditional: 11247] , Statistics on independence cache: Total cache size (in pairs): 11247, Positive cache size: 11171, Positive conditional cache size: 0, Positive unconditional cache size: 11171, Negative cache size: 76, Negative conditional cache size: 0, Negative unconditional cache size: 76, Independence queries for same thread: 1979, Statistics for Abstraction: - TimeoutResultAtElement [Line: 674]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - 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: 882.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 3.4s, 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: 76, 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: 0.7s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 15872 NumberOfCodeBlocks, 15713 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 21819 ConstructedInterpolants, 0 QuantifiedInterpolants, 30782 SizeOfPredicates, 30 NumberOfNonLiveVariables, 16234 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 109866/115642 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