/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/safe009_power.oepc.line1253.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-04 06:06:37,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-04 06:06:37,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-04 06:06:37,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-04 06:06:37,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-04 06:06:37,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-04 06:06:37,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-04 06:06:37,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-04 06:06:37,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-04 06:06:37,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-04 06:06:37,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-04 06:06:37,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-04 06:06:37,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-04 06:06:37,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-04 06:06:37,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-04 06:06:37,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-04 06:06:37,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-04 06:06:37,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-04 06:06:37,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-04 06:06:37,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-04 06:06:37,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-04 06:06:37,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-04 06:06:37,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-04 06:06:37,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-04 06:06:37,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-04 06:06:37,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-04 06:06:37,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-04 06:06:37,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-04 06:06:37,332 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-04 06:06:37,360 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-04 06:06:37,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-04 06:06:37,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-04 06:06:37,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-04 06:06:37,363 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-04 06:06:37,363 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-04 06:06:37,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-04 06:06:37,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-04 06:06:37,364 INFO L138 SettingsManager]: * Use SBE=true [2022-10-04 06:06:37,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-04 06:06:37,365 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-04 06:06:37,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-04 06:06:37,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-04 06:06:37,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-04 06:06:37,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-04 06:06:37,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-04 06:06:37,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-04 06:06:37,366 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-04 06:06:37,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-04 06:06:37,366 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-04 06:06:37,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-04 06:06:37,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-04 06:06:37,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-04 06:06:37,367 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-04 06:06:37,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-04 06:06:37,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-04 06:06:37,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-04 06:06:37,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-04 06:06:37,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-04 06:06:37,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-04 06:06:37,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-04 06:06:37,368 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-04 06:06:37,368 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-04 06:06:37,368 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-04 06:06:37,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-04 06:06:37,369 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-04 06:06:37,369 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-04 06:06:37,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-04 06:06:37,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-04 06:06:37,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-04 06:06:37,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-04 06:06:37,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-04 06:06:37,668 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-04 06:06:37,670 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-04 06:06:37,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/safe009_power.oepc.line1253.bpl [2022-10-04 06:06:37,672 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/safe009_power.oepc.line1253.bpl' [2022-10-04 06:06:37,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-04 06:06:37,743 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-04 06:06:37,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-04 06:06:37,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-04 06:06:37,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-04 06:06:37,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "safe009_power.oepc.line1253.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 06:06:37" (1/1) ... [2022-10-04 06:06:37,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "safe009_power.oepc.line1253.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 06:06:37" (1/1) ... [2022-10-04 06:06:37,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "safe009_power.oepc.line1253.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 06:06:37" (1/1) ... [2022-10-04 06:06:37,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "safe009_power.oepc.line1253.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 06:06:37" (1/1) ... [2022-10-04 06:06:37,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "safe009_power.oepc.line1253.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 06:06:37" (1/1) ... [2022-10-04 06:06:37,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "safe009_power.oepc.line1253.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 06:06:37" (1/1) ... [2022-10-04 06:06:37,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "safe009_power.oepc.line1253.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 06:06:37" (1/1) ... [2022-10-04 06:06:37,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-04 06:06:37,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-04 06:06:37,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-04 06:06:37,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-04 06:06:37,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "safe009_power.oepc.line1253.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 06:06:37" (1/1) ... [2022-10-04 06:06:37,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-04 06:06:37,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 06:06:37,904 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) [2022-10-04 06:06:37,913 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 [2022-10-04 06:06:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-10-04 06:06:37,937 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-10-04 06:06:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-10-04 06:06:37,937 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-10-04 06:06:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-10-04 06:06:37,937 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-10-04 06:06:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-04 06:06:37,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-04 06:06:37,939 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-04 06:06:38,152 INFO L234 CfgBuilder]: Building ICFG [2022-10-04 06:06:38,154 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-04 06:06:39,011 INFO L275 CfgBuilder]: Performing block encoding [2022-10-04 06:06:39,037 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-04 06:06:39,038 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-04 06:06:39,043 INFO L202 PluginConnector]: Adding new model safe009_power.oepc.line1253.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 06:06:39 BoogieIcfgContainer [2022-10-04 06:06:39,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-04 06:06:39,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-04 06:06:39,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-04 06:06:39,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-04 06:06:39,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe009_power.oepc.line1253.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 06:06:37" (1/2) ... [2022-10-04 06:06:39,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9e8fef and model type safe009_power.oepc.line1253.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 06:06:39, skipping insertion in model container [2022-10-04 06:06:39,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "safe009_power.oepc.line1253.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 06:06:39" (2/2) ... [2022-10-04 06:06:39,054 INFO L112 eAbstractionObserver]: Analyzing ICFG safe009_power.oepc.line1253.bpl [2022-10-04 06:06:39,067 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-04 06:06:39,074 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-04 06:06:39,074 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-04 06:06:39,075 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-04 06:06:39,272 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-04 06:06:39,360 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 06:06:39,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 06:06:39,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 06:06:39,371 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) [2022-10-04 06:06:39,391 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 [2022-10-04 06:06:39,415 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 06:06:39,426 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-04 06:06:39,434 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;@5c990edf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 06:06:39,434 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 06:06:39,787 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 06:06:39,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 06:06:39,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1855183788, now seen corresponding path program 1 times [2022-10-04 06:06:39,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 06:06:39,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507567682] [2022-10-04 06:06:39,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 06:06:39,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 06:06:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 06:06:40,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 06:06:40,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 06:06:40,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507567682] [2022-10-04 06:06:40,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507567682] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 06:06:40,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 06:06:40,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-04 06:06:40,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975766676] [2022-10-04 06:06:40,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 06:06:40,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-04 06:06:40,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 06:06:40,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-04 06:06:40,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-04 06:06:40,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:06:40,193 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 06:06:40,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 115.5) internal successors, (231), 2 states have internal predecessors, (231), 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) [2022-10-04 06:06:40,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:08:58,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:08:58,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-04 06:08:58,807 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 06:08:58,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 06:08:58,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1329266452, now seen corresponding path program 1 times [2022-10-04 06:08:58,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 06:08:58,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480826172] [2022-10-04 06:08:58,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 06:08:58,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 06:08:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 06:08:59,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 06:08:59,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 06:08:59,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480826172] [2022-10-04 06:08:59,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480826172] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 06:08:59,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 06:08:59,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-04 06:08:59,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393975419] [2022-10-04 06:08:59,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 06:08:59,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-04 06:08:59,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 06:08:59,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-04 06:08:59,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-04 06:08:59,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:08:59,225 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 06:08:59,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 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) [2022-10-04 06:08:59,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:08:59,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:10:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:10:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 06:10:15,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-04 06:10:15,659 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 06:10:15,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 06:10:15,660 INFO L85 PathProgramCache]: Analyzing trace with hash -114496290, now seen corresponding path program 1 times [2022-10-04 06:10:15,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 06:10:15,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574528562] [2022-10-04 06:10:15,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 06:10:15,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 06:10:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 06:10:16,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 06:10:16,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 06:10:16,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574528562] [2022-10-04 06:10:16,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574528562] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 06:10:16,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 06:10:16,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-04 06:10:16,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982359980] [2022-10-04 06:10:16,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 06:10:16,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-04 06:10:16,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 06:10:16,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-04 06:10:16,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-04 06:10:16,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:10:16,353 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 06:10:16,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2022-10-04 06:10:16,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:10:16,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 06:10:16,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:11:45,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:11:45,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 06:11:45,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 06:11:45,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-04 06:11:45,391 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 06:11:45,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 06:11:45,392 INFO L85 PathProgramCache]: Analyzing trace with hash 887692193, now seen corresponding path program 1 times [2022-10-04 06:11:45,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 06:11:45,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983721669] [2022-10-04 06:11:45,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 06:11:45,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 06:11:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 06:11:45,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 06:11:45,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 06:11:45,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983721669] [2022-10-04 06:11:45,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983721669] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 06:11:45,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 06:11:45,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-04 06:11:45,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661670310] [2022-10-04 06:11:45,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 06:11:45,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-04 06:11:45,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 06:11:45,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-04 06:11:45,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-04 06:11:45,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:11:45,712 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 06:11:45,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.0) internal successors, (240), 4 states have internal predecessors, (240), 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) [2022-10-04 06:11:45,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:11:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 06:11:45,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 06:11:45,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:13:10,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:13:10,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 06:13:10,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 06:13:10,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 06:13:10,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-04 06:13:10,219 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 06:13:10,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 06:13:10,220 INFO L85 PathProgramCache]: Analyzing trace with hash -621481644, now seen corresponding path program 1 times [2022-10-04 06:13:10,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 06:13:10,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998500124] [2022-10-04 06:13:10,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 06:13:10,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 06:13:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 06:13:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 06:13:10,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 06:13:10,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998500124] [2022-10-04 06:13:10,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998500124] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 06:13:10,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 06:13:10,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-04 06:13:10,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586682560] [2022-10-04 06:13:10,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 06:13:10,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-04 06:13:10,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 06:13:10,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-04 06:13:10,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-04 06:13:10,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:13:10,597 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 06:13:10,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.5) internal successors, (302), 4 states have internal predecessors, (302), 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) [2022-10-04 06:13:10,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:13:10,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 06:13:10,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 06:13:10,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 06:13:10,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:14:19,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:14:19,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 06:14:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-04 06:14:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-04 06:14:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 06:14:19,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-04 06:14:19,799 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-04 06:14:19,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 06:14:19,800 INFO L85 PathProgramCache]: Analyzing trace with hash -742489734, now seen corresponding path program 1 times [2022-10-04 06:14:19,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 06:14:19,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089625636] [2022-10-04 06:14:19,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 06:14:19,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 06:14:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 06:14:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 06:14:19,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 06:14:19,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089625636] [2022-10-04 06:14:19,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089625636] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 06:14:19,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 06:14:19,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-04 06:14:19,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613816901] [2022-10-04 06:14:19,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 06:14:19,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-04 06:14:19,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 06:14:19,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-04 06:14:19,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-04 06:14:19,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:14:19,949 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 06:14:19,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.5) internal successors, (298), 4 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) [2022-10-04 06:14:19,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 06:14:19,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 06:14:19,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-04 06:14:19,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-04 06:14:19,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 06:14:19,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-10-04 06:15:09,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-04 06:15:09,776 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-10-04 06:15:09,778 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-04 06:15:09,779 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 [2022-10-04 06:15:09,783 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-10-04 06:15:09,785 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/4) [2022-10-04 06:15:09,786 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-04 06:15:09,787 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-04 06:15:09,790 INFO L202 PluginConnector]: Adding new model safe009_power.oepc.line1253.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.10 06:15:09 BasicIcfg [2022-10-04 06:15:09,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-04 06:15:09,791 INFO L158 Benchmark]: Toolchain (without parser) took 512047.97ms. Allocated memory was 167.8MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 123.1MB in the beginning and 3.2GB in the end (delta: -3.1GB). Peak memory consumption was 5.0GB. Max. memory is 8.0GB. [2022-10-04 06:15:09,791 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 127.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-04 06:15:09,791 INFO L158 Benchmark]: Boogie Preprocessor took 111.32ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 119.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-10-04 06:15:09,792 INFO L158 Benchmark]: RCFGBuilder took 1186.07ms. Allocated memory is still 167.8MB. Free memory was 118.9MB in the beginning and 102.3MB in the end (delta: 16.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-10-04 06:15:09,792 INFO L158 Benchmark]: TraceAbstraction took 510745.13ms. Allocated memory was 167.8MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 101.6MB in the beginning and 3.2GB in the end (delta: -3.1GB). Peak memory consumption was 5.0GB. Max. memory is 8.0GB. [2022-10-04 06:15:09,794 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 0.17ms. Allocated memory is still 167.8MB. Free memory is still 127.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 111.32ms. Allocated memory is still 167.8MB. Free memory was 123.0MB in the beginning and 119.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1186.07ms. Allocated memory is still 167.8MB. Free memory was 118.9MB in the beginning and 102.3MB in the end (delta: 16.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 510745.13ms. Allocated memory was 167.8MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 101.6MB in the beginning and 3.2GB in the end (delta: -3.1GB). Peak memory consumption was 5.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 602, positive: 595, positive conditional: 595, 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: 43561616, positive: 42193776, positive conditional: 42193776, positive unconditional: 0, negative: 1367840, negative conditional: 1367840, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 42348118, positive: 42193776, positive conditional: 0, positive unconditional: 42193776, negative: 154342, negative conditional: 0, negative unconditional: 154342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 82664, positive: 81990, positive conditional: 0, positive unconditional: 81990, negative: 674, negative conditional: 0, negative unconditional: 674, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 42348118, positive: 42111786, positive conditional: 0, positive unconditional: 42111786, negative: 153668, negative conditional: 0, negative unconditional: 153668, unknown: 82664, unknown conditional: 0, unknown unconditional: 82664] , Statistics on independence cache: Total cache size (in pairs): 338, Positive cache size: 338, Positive conditional cache size: 0, Positive unconditional cache size: 338, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 7, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 8092164, positive: 7841487, positive conditional: 7841487, positive unconditional: 0, negative: 250677, negative conditional: 250677, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 43561616, positive: 42193776, positive conditional: 42193776, positive unconditional: 0, negative: 1367840, negative conditional: 1367840, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 42348118, positive: 42193776, positive conditional: 0, positive unconditional: 42193776, negative: 154342, negative conditional: 0, negative unconditional: 154342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 82664, positive: 81990, positive conditional: 0, positive unconditional: 81990, negative: 674, negative conditional: 0, negative unconditional: 674, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 42348118, positive: 42111786, positive conditional: 0, positive unconditional: 42111786, negative: 153668, negative conditional: 0, negative unconditional: 153668, unknown: 82664, unknown conditional: 0, unknown unconditional: 82664] , Statistics on independence cache: Total cache size (in pairs): 54691, Positive cache size: 54403, Positive conditional cache size: 0, Positive unconditional cache size: 54403, Negative cache size: 288, Negative conditional cache size: 0, Negative unconditional cache size: 288, Independence queries for same thread: 222347, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 8092180, positive: 7841502, positive conditional: 7841502, positive unconditional: 0, negative: 250678, negative conditional: 250678, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 43561616, positive: 42193776, positive conditional: 42193776, positive unconditional: 0, negative: 1367840, negative conditional: 1367840, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 42348118, positive: 42193776, positive conditional: 0, positive unconditional: 42193776, negative: 154342, negative conditional: 0, negative unconditional: 154342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 82664, positive: 81990, positive conditional: 0, positive unconditional: 81990, negative: 674, negative conditional: 0, negative unconditional: 674, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 42348118, positive: 42111786, positive conditional: 0, positive unconditional: 42111786, negative: 153668, negative conditional: 0, negative unconditional: 153668, unknown: 82664, unknown conditional: 0, unknown unconditional: 82664] , Statistics on independence cache: Total cache size (in pairs): 54748, Positive cache size: 54460, Positive conditional cache size: 0, Positive unconditional cache size: 54460, Negative cache size: 288, Negative conditional cache size: 0, Negative unconditional cache size: 288, Independence queries for same thread: 444688, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 7589022, positive: 7350560, positive conditional: 7350560, positive unconditional: 0, negative: 238462, negative conditional: 238462, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 43561616, positive: 42193776, positive conditional: 42193776, positive unconditional: 0, negative: 1367840, negative conditional: 1367840, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 42348118, positive: 42193776, positive conditional: 0, positive unconditional: 42193776, negative: 154342, negative conditional: 0, negative unconditional: 154342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 82664, positive: 81990, positive conditional: 0, positive unconditional: 81990, negative: 674, negative conditional: 0, negative unconditional: 674, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 42348118, positive: 42111786, positive conditional: 0, positive unconditional: 42111786, negative: 153668, negative conditional: 0, negative unconditional: 153668, unknown: 82664, unknown conditional: 0, unknown unconditional: 82664] , Statistics on independence cache: Total cache size (in pairs): 65278, Positive cache size: 64835, Positive conditional cache size: 0, Positive unconditional cache size: 64835, Negative cache size: 443, Negative conditional cache size: 0, Negative unconditional cache size: 443, Independence queries for same thread: 656085, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 7586970, positive: 7348298, positive conditional: 7348298, positive unconditional: 0, negative: 238672, negative conditional: 238672, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 43561616, positive: 42193776, positive conditional: 42193776, positive unconditional: 0, negative: 1367840, negative conditional: 1367840, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 42348118, positive: 42193776, positive conditional: 0, positive unconditional: 42193776, negative: 154342, negative conditional: 0, negative unconditional: 154342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 82664, positive: 81990, positive conditional: 0, positive unconditional: 81990, negative: 674, negative conditional: 0, negative unconditional: 674, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 42348118, positive: 42111786, positive conditional: 0, positive unconditional: 42111786, negative: 153668, negative conditional: 0, negative unconditional: 153668, unknown: 82664, unknown conditional: 0, unknown unconditional: 82664] , Statistics on independence cache: Total cache size (in pairs): 82445, Positive cache size: 81773, Positive conditional cache size: 0, Positive unconditional cache size: 81773, Negative cache size: 672, Negative conditional cache size: 0, Negative unconditional cache size: 672, Independence queries for same thread: 867427, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 6920708, positive: 6699960, positive conditional: 6699960, positive unconditional: 0, negative: 220748, negative conditional: 220748, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 43561616, positive: 42193776, positive conditional: 42193776, positive unconditional: 0, negative: 1367840, negative conditional: 1367840, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 42348118, positive: 42193776, positive conditional: 0, positive unconditional: 42193776, negative: 154342, negative conditional: 0, negative unconditional: 154342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 82664, positive: 81990, positive conditional: 0, positive unconditional: 81990, negative: 674, negative conditional: 0, negative unconditional: 674, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 42348118, positive: 42111786, positive conditional: 0, positive unconditional: 42111786, negative: 153668, negative conditional: 0, negative unconditional: 153668, unknown: 82664, unknown conditional: 0, unknown unconditional: 82664] , Statistics on independence cache: Total cache size (in pairs): 82664, Positive cache size: 81990, Positive conditional cache size: 0, Positive unconditional cache size: 81990, Negative cache size: 674, Negative conditional cache size: 0, Negative unconditional cache size: 674, Independence queries for same thread: 1063832, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 5279970, positive: 5111374, positive conditional: 5111374, positive unconditional: 0, negative: 168596, negative conditional: 168596, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 43561616, positive: 42193776, positive conditional: 42193776, positive unconditional: 0, negative: 1367840, negative conditional: 1367840, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 42348118, positive: 42193776, positive conditional: 0, positive unconditional: 42193776, negative: 154342, negative conditional: 0, negative unconditional: 154342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 82664, positive: 81990, positive conditional: 0, positive unconditional: 81990, negative: 674, negative conditional: 0, negative unconditional: 674, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 42348118, positive: 42111786, positive conditional: 0, positive unconditional: 42111786, negative: 153668, negative conditional: 0, negative unconditional: 153668, unknown: 82664, unknown conditional: 0, unknown unconditional: 82664] , Statistics on independence cache: Total cache size (in pairs): 82664, Positive cache size: 81990, Positive conditional cache size: 0, Positive unconditional cache size: 81990, Negative cache size: 674, Negative conditional cache size: 0, Negative unconditional cache size: 674, Independence queries for same thread: 1213498, Statistics for Abstraction: - TimeoutResultAtElement [Line: 1253]: 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 7 procedures, 1259 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 510.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 508.0s, 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: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1533 NumberOfCodeBlocks, 1533 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1527 ConstructedInterpolants, 0 QuantifiedInterpolants, 2771 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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 [2022-10-04 06:15:09,817 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 Completed graceful shutdown