/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/ring_2w1r-2.line881.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-30 07:49:17,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-30 07:49:17,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-30 07:49:17,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-30 07:49:17,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-30 07:49:17,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-30 07:49:17,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-30 07:49:17,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-30 07:49:17,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-30 07:49:17,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-30 07:49:17,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-30 07:49:17,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-30 07:49:17,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-30 07:49:17,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-30 07:49:17,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-30 07:49:17,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-30 07:49:17,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-30 07:49:17,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-30 07:49:17,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-30 07:49:17,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-30 07:49:17,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-30 07:49:17,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-30 07:49:17,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-30 07:49:17,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-30 07:49:17,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-30 07:49:17,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-30 07:49:17,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-30 07:49:17,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-30 07:49:17,832 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-30 07:49:17,860 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-30 07:49:17,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-30 07:49:17,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-30 07:49:17,860 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-30 07:49:17,861 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-30 07:49:17,861 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-30 07:49:17,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-30 07:49:17,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-30 07:49:17,862 INFO L138 SettingsManager]: * Use SBE=true [2022-09-30 07:49:17,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-30 07:49:17,862 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-30 07:49:17,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-30 07:49:17,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-30 07:49:17,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-30 07:49:17,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-30 07:49:17,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-30 07:49:17,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-30 07:49:17,863 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-30 07:49:17,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-30 07:49:17,863 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-30 07:49:17,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-30 07:49:17,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-30 07:49:17,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-30 07:49:17,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-30 07:49:17,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-30 07:49:17,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-30 07:49:17,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-30 07:49:17,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-30 07:49:17,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-30 07:49:17,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-30 07:49:17,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-30 07:49:17,864 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-30 07:49:17,865 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-30 07:49:17,865 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-30 07:49:17,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-30 07:49:17,865 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-30 07:49:17,865 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-30 07:49:17,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-30 07:49:17,865 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-30 07:49:18,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-30 07:49:18,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-30 07:49:18,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-30 07:49:18,081 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-30 07:49:18,083 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-30 07:49:18,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/ring_2w1r-2.line881.bpl [2022-09-30 07:49:18,084 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/ring_2w1r-2.line881.bpl' [2022-09-30 07:49:18,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-30 07:49:18,130 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-30 07:49:18,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-30 07:49:18,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-30 07:49:18,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-30 07:49:18,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring_2w1r-2.line881.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:49:18" (1/1) ... [2022-09-30 07:49:18,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring_2w1r-2.line881.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:49:18" (1/1) ... [2022-09-30 07:49:18,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring_2w1r-2.line881.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:49:18" (1/1) ... [2022-09-30 07:49:18,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring_2w1r-2.line881.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:49:18" (1/1) ... [2022-09-30 07:49:18,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring_2w1r-2.line881.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:49:18" (1/1) ... [2022-09-30 07:49:18,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring_2w1r-2.line881.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:49:18" (1/1) ... [2022-09-30 07:49:18,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring_2w1r-2.line881.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:49:18" (1/1) ... [2022-09-30 07:49:18,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-30 07:49:18,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-30 07:49:18,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-30 07:49:18,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-30 07:49:18,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring_2w1r-2.line881.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:49:18" (1/1) ... [2022-09-30 07:49:18,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-30 07:49:18,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 07:49:18,241 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) [2022-09-30 07:49:18,243 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 [2022-09-30 07:49:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2022-09-30 07:49:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2022-09-30 07:49:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2022-09-30 07:49:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2022-09-30 07:49:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-30 07:49:18,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-30 07:49:18,269 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-30 07:49:18,371 INFO L234 CfgBuilder]: Building ICFG [2022-09-30 07:49:18,372 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-30 07:49:18,952 INFO L275 CfgBuilder]: Performing block encoding [2022-09-30 07:49:18,971 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-30 07:49:18,971 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-09-30 07:49:18,973 INFO L202 PluginConnector]: Adding new model ring_2w1r-2.line881.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 07:49:18 BoogieIcfgContainer [2022-09-30 07:49:18,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-30 07:49:18,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-30 07:49:18,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-30 07:49:18,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-30 07:49:18,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring_2w1r-2.line881.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 07:49:18" (1/2) ... [2022-09-30 07:49:18,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357681fb and model type ring_2w1r-2.line881.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 07:49:18, skipping insertion in model container [2022-09-30 07:49:18,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring_2w1r-2.line881.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 07:49:18" (2/2) ... [2022-09-30 07:49:18,982 INFO L112 eAbstractionObserver]: Analyzing ICFG ring_2w1r-2.line881.bpl [2022-09-30 07:49:18,987 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-30 07:49:18,993 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-30 07:49:18,993 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-30 07:49:18,993 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-30 07:49:19,100 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-30 07:49:19,143 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 07:49:19,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 07:49:19,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 07:49:19,145 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) [2022-09-30 07:49:19,146 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 [2022-09-30 07:49:19,170 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 07:49:19,175 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-09-30 07:49:19,180 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;@717cab66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 07:49:19,180 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 07:49:19,316 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:49:19,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:49:19,320 INFO L85 PathProgramCache]: Analyzing trace with hash -371325161, now seen corresponding path program 1 times [2022-09-30 07:49:19,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:49:19,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567929030] [2022-09-30 07:49:19,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:49:19,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:49:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:49:19,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-30 07:49:19,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:49:19,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567929030] [2022-09-30 07:49:19,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567929030] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 07:49:19,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 07:49:19,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-30 07:49:19,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079383407] [2022-09-30 07:49:19,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 07:49:19,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-30 07:49:19,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:49:19,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-30 07:49:19,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-30 07:49:19,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:49:19,660 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:49:19,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 91.5) internal successors, (183), 2 states have internal predecessors, (183), 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) [2022-09-30 07:49:19,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:49:19,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:49:19,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-30 07:49:19,718 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:49:19,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:49:19,719 INFO L85 PathProgramCache]: Analyzing trace with hash -743078124, now seen corresponding path program 1 times [2022-09-30 07:49:19,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:49:19,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544961705] [2022-09-30 07:49:19,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:49:19,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:49:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:49:19,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-30 07:49:20,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:49:20,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544961705] [2022-09-30 07:49:20,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544961705] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 07:49:20,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 07:49:20,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-09-30 07:49:20,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512628758] [2022-09-30 07:49:20,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 07:49:20,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-30 07:49:20,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:49:20,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-30 07:49:20,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-09-30 07:49:20,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:49:20,008 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:49:20,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 22.333333333333332) internal successors, (201), 10 states have internal predecessors, (201), 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) [2022-09-30 07:49:20,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:49:20,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:49:27,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:49:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-30 07:49:27,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-30 07:49:27,155 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:49:27,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:49:27,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1306098139, now seen corresponding path program 1 times [2022-09-30 07:49:27,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:49:27,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848911641] [2022-09-30 07:49:27,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:49:27,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:49:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:49:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-30 07:49:27,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:49:27,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848911641] [2022-09-30 07:49:27,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848911641] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 07:49:27,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 07:49:27,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-30 07:49:27,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433295016] [2022-09-30 07:49:27,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 07:49:27,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-30 07:49:27,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:49:27,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-30 07:49:27,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-30 07:49:27,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:49:27,350 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:49:27,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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) [2022-09-30 07:49:27,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:49:27,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-30 07:49:27,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:49:34,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:49:34,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-30 07:49:34,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:49:34,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-30 07:49:34,024 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:49:34,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:49:34,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1603968078, now seen corresponding path program 1 times [2022-09-30 07:49:34,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:49:34,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965192804] [2022-09-30 07:49:34,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:49:34,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:49:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:49:34,283 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-30 07:49:34,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:49:34,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965192804] [2022-09-30 07:49:34,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965192804] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-30 07:49:34,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544148680] [2022-09-30 07:49:34,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:49:34,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 07:49:34,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 07:49:34,288 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) [2022-09-30 07:49:34,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-09-30 07:49:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:49:34,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 25 conjunts are in the unsatisfiable core [2022-09-30 07:49:34,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-30 07:49:34,643 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 1 proven. 50 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-09-30 07:49:34,644 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-30 07:49:34,721 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-09-30 07:49:34,722 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 11 [2022-09-30 07:49:34,735 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-09-30 07:49:34,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544148680] provided 1 perfect and 1 imperfect interpolant sequences [2022-09-30 07:49:34,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-09-30 07:49:34,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15, 6] total 18 [2022-09-30 07:49:34,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266806564] [2022-09-30 07:49:34,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 07:49:34,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-30 07:49:34,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:49:34,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-30 07:49:34,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2022-09-30 07:49:34,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:49:34,745 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:49:34,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 94.5) internal successors, (378), 5 states have internal predecessors, (378), 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) [2022-09-30 07:49:34,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:49:34,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-30 07:49:34,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:49:34,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:49:57,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:49:57,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-30 07:49:57,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:49:57,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-30 07:49:57,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-09-30 07:49:57,747 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,SelfDestructingSolverStorable3 [2022-09-30 07:49:57,748 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:49:57,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:49:57,748 INFO L85 PathProgramCache]: Analyzing trace with hash -603268766, now seen corresponding path program 1 times [2022-09-30 07:49:57,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:49:57,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099815348] [2022-09-30 07:49:57,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:49:57,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:49:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:49:58,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3470 backedges. 1709 proven. 0 refuted. 0 times theorem prover too weak. 1761 trivial. 0 not checked. [2022-09-30 07:49:58,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:49:58,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099815348] [2022-09-30 07:49:58,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099815348] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 07:49:58,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 07:49:58,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-30 07:49:58,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724425034] [2022-09-30 07:49:58,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 07:49:58,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-30 07:49:58,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:49:58,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-30 07:49:58,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-30 07:49:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:49:58,052 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:49:58,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 138.5) internal successors, (554), 4 states have internal predecessors, (554), 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) [2022-09-30 07:49:58,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:49:58,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-30 07:49:58,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:49:58,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-09-30 07:49:58,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:50:19,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:50:19,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-30 07:50:19,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:50:19,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-30 07:50:19,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-30 07:50:19,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-30 07:50:19,199 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:50:19,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:50:19,200 INFO L85 PathProgramCache]: Analyzing trace with hash -2086575694, now seen corresponding path program 1 times [2022-09-30 07:50:19,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:50:19,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070161529] [2022-09-30 07:50:19,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:50:19,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:50:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:50:19,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3471 backedges. 1715 proven. 2 refuted. 0 times theorem prover too weak. 1754 trivial. 0 not checked. [2022-09-30 07:50:19,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:50:19,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070161529] [2022-09-30 07:50:19,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070161529] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-30 07:50:19,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915021148] [2022-09-30 07:50:19,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:50:19,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 07:50:19,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 07:50:19,537 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) [2022-09-30 07:50:19,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-09-30 07:50:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:50:19,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 2472 conjuncts, 3 conjunts are in the unsatisfiable core [2022-09-30 07:50:19,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-30 07:50:20,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3471 backedges. 1715 proven. 2 refuted. 0 times theorem prover too weak. 1754 trivial. 0 not checked. [2022-09-30 07:50:20,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-30 07:50:20,829 INFO L134 CoverageAnalysis]: Checked inductivity of 3471 backedges. 1715 proven. 2 refuted. 0 times theorem prover too weak. 1754 trivial. 0 not checked. [2022-09-30 07:50:20,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915021148] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-30 07:50:20,833 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-30 07:50:20,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-09-30 07:50:20,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508475533] [2022-09-30 07:50:20,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-30 07:50:20,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-30 07:50:20,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:50:20,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-30 07:50:20,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-09-30 07:50:20,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:50:20,840 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:50:20,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 151.0) internal successors, (1057), 7 states have internal predecessors, (1057), 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) [2022-09-30 07:50:20,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:50:20,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-30 07:50:20,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:50:20,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-09-30 07:50:20,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-30 07:50:20,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:51:47,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:51:47,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-30 07:51:47,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:51:47,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-30 07:51:47,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-30 07:51:47,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-30 07:51:47,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-09-30 07:51:47,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 07:51:47,913 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-30 07:51:47,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 07:51:47,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1639387113, now seen corresponding path program 1 times [2022-09-30 07:51:47,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 07:51:47,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383140067] [2022-09-30 07:51:47,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:51:47,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 07:51:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:51:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 344 proven. 1508 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-09-30 07:51:48,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 07:51:48,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383140067] [2022-09-30 07:51:48,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383140067] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-30 07:51:48,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626392855] [2022-09-30 07:51:48,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 07:51:48,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 07:51:48,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 07:51:48,904 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) [2022-09-30 07:51:48,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-09-30 07:51:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 07:51:49,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 2427 conjuncts, 6 conjunts are in the unsatisfiable core [2022-09-30 07:51:49,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-30 07:51:50,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 344 proven. 1508 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-09-30 07:51:50,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-30 07:51:51,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 344 proven. 1508 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2022-09-30 07:51:51,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626392855] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-30 07:51:51,412 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-30 07:51:51,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-09-30 07:51:51,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109498723] [2022-09-30 07:51:51,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-30 07:51:51,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-30 07:51:51,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 07:51:51,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-30 07:51:51,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-09-30 07:51:51,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:51:51,416 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 07:51:51,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 149.6153846153846) internal successors, (1945), 13 states have internal predecessors, (1945), 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) [2022-09-30 07:51:51,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 07:51:51,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-30 07:51:51,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-30 07:51:51,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-09-30 07:51:51,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-09-30 07:51:51,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-09-30 07:51:51,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-09-30 07:57:48,676 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 [2022-09-30 07:57:48,676 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 [2022-09-30 07:57:48,676 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-30 07:57:48,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-09-30 07:57:48,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 07:57:48,874 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-09-30 07:57:48,876 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-30 07:57:48,878 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-09-30 07:57:48,886 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/3) [2022-09-30 07:57:48,888 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-30 07:57:48,888 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-30 07:57:48,889 INFO L202 PluginConnector]: Adding new model ring_2w1r-2.line881.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 07:57:48 BasicIcfg [2022-09-30 07:57:48,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-30 07:57:48,891 INFO L158 Benchmark]: Toolchain (without parser) took 510760.94ms. Allocated memory was 169.9MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 130.7MB in the beginning and 4.1GB in the end (delta: -4.0GB). Peak memory consumption was 4.8GB. Max. memory is 8.0GB. [2022-09-30 07:57:48,892 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 169.9MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-30 07:57:48,893 INFO L158 Benchmark]: Boogie Preprocessor took 77.07ms. Allocated memory is still 169.9MB. Free memory was 130.7MB in the beginning and 127.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-09-30 07:57:48,893 INFO L158 Benchmark]: RCFGBuilder took 755.30ms. Allocated memory is still 169.9MB. Free memory was 127.0MB in the beginning and 144.4MB in the end (delta: -17.3MB). Peak memory consumption was 37.6MB. Max. memory is 8.0GB. [2022-09-30 07:57:48,893 INFO L158 Benchmark]: TraceAbstraction took 509915.15ms. Allocated memory was 169.9MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 143.4MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 4.8GB. Max. memory is 8.0GB. [2022-09-30 07:57:48,894 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 169.9MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 77.07ms. Allocated memory is still 169.9MB. Free memory was 130.7MB in the beginning and 127.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 755.30ms. Allocated memory is still 169.9MB. Free memory was 127.0MB in the beginning and 144.4MB in the end (delta: -17.3MB). Peak memory consumption was 37.6MB. Max. memory is 8.0GB. * TraceAbstraction took 509915.15ms. Allocated memory was 169.9MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 143.4MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 4.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 158, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26459072, positive: 25640303, positive conditional: 25640303, positive unconditional: 0, negative: 818769, negative conditional: 818769, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25681531, positive: 25640303, positive conditional: 0, positive unconditional: 25640303, negative: 41228, negative conditional: 0, negative unconditional: 41228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 30644, positive: 30538, positive conditional: 0, positive unconditional: 30538, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25681531, positive: 25609765, positive conditional: 0, positive unconditional: 25609765, negative: 41122, negative conditional: 0, negative unconditional: 41122, unknown: 30644, unknown conditional: 0, unknown unconditional: 30644] , Statistics on independence cache: Total cache size (in pairs): 112, Positive cache size: 112, Positive conditional cache size: 0, Positive unconditional cache size: 112, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 211, positive: 208, positive conditional: 208, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26459072, positive: 25640303, positive conditional: 25640303, positive unconditional: 0, negative: 818769, negative conditional: 818769, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25681531, positive: 25640303, positive conditional: 0, positive unconditional: 25640303, negative: 41228, negative conditional: 0, negative unconditional: 41228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 30644, positive: 30538, positive conditional: 0, positive unconditional: 30538, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25681531, positive: 25609765, positive conditional: 0, positive unconditional: 25609765, negative: 41122, negative conditional: 0, negative unconditional: 41122, unknown: 30644, unknown conditional: 0, unknown unconditional: 30644] , Statistics on independence cache: Total cache size (in pairs): 150, Positive cache size: 150, Positive conditional cache size: 0, Positive unconditional cache size: 150, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 5, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 446216, positive: 433541, positive conditional: 433541, positive unconditional: 0, negative: 12675, negative conditional: 12675, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26459072, positive: 25640303, positive conditional: 25640303, positive unconditional: 0, negative: 818769, negative conditional: 818769, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25681531, positive: 25640303, positive conditional: 0, positive unconditional: 25640303, negative: 41228, negative conditional: 0, negative unconditional: 41228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 30644, positive: 30538, positive conditional: 0, positive unconditional: 30538, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25681531, positive: 25609765, positive conditional: 0, positive unconditional: 25609765, negative: 41122, negative conditional: 0, negative unconditional: 41122, unknown: 30644, unknown conditional: 0, unknown unconditional: 30644] , Statistics on independence cache: Total cache size (in pairs): 18272, Positive cache size: 18204, Positive conditional cache size: 0, Positive unconditional cache size: 18204, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68, Independence queries for same thread: 11618, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 752223, positive: 730567, positive conditional: 730567, positive unconditional: 0, negative: 21656, negative conditional: 21656, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26459072, positive: 25640303, positive conditional: 25640303, positive unconditional: 0, negative: 818769, negative conditional: 818769, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25681531, positive: 25640303, positive conditional: 0, positive unconditional: 25640303, negative: 41228, negative conditional: 0, negative unconditional: 41228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 30644, positive: 30538, positive conditional: 0, positive unconditional: 30538, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25681531, positive: 25609765, positive conditional: 0, positive unconditional: 25609765, negative: 41122, negative conditional: 0, negative unconditional: 41122, unknown: 30644, unknown conditional: 0, unknown unconditional: 30644] , Statistics on independence cache: Total cache size (in pairs): 18787, Positive cache size: 18719, Positive conditional cache size: 0, Positive unconditional cache size: 18719, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68, Independence queries for same thread: 31652, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1620912, positive: 1571961, positive conditional: 1571961, positive unconditional: 0, negative: 48951, negative conditional: 48951, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26459072, positive: 25640303, positive conditional: 25640303, positive unconditional: 0, negative: 818769, negative conditional: 818769, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25681531, positive: 25640303, positive conditional: 0, positive unconditional: 25640303, negative: 41228, negative conditional: 0, negative unconditional: 41228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 30644, positive: 30538, positive conditional: 0, positive unconditional: 30538, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25681531, positive: 25609765, positive conditional: 0, positive unconditional: 25609765, negative: 41122, negative conditional: 0, negative unconditional: 41122, unknown: 30644, unknown conditional: 0, unknown unconditional: 30644] , Statistics on independence cache: Total cache size (in pairs): 26732, Positive cache size: 26628, Positive conditional cache size: 0, Positive unconditional cache size: 26628, Negative cache size: 104, Negative conditional cache size: 0, Negative unconditional cache size: 104, Independence queries for same thread: 77253, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1964019, positive: 1903183, positive conditional: 1903183, positive unconditional: 0, negative: 60836, negative conditional: 60836, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26459072, positive: 25640303, positive conditional: 25640303, positive unconditional: 0, negative: 818769, negative conditional: 818769, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25681531, positive: 25640303, positive conditional: 0, positive unconditional: 25640303, negative: 41228, negative conditional: 0, negative unconditional: 41228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 30644, positive: 30538, positive conditional: 0, positive unconditional: 30538, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25681531, positive: 25609765, positive conditional: 0, positive unconditional: 25609765, negative: 41122, negative conditional: 0, negative unconditional: 41122, unknown: 30644, unknown conditional: 0, unknown unconditional: 30644] , Statistics on independence cache: Total cache size (in pairs): 28440, Positive cache size: 28336, Positive conditional cache size: 0, Positive unconditional cache size: 28336, Negative cache size: 104, Negative conditional cache size: 0, Negative unconditional cache size: 104, Independence queries for same thread: 134363, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 5875272, positive: 5691670, positive conditional: 5691670, positive unconditional: 0, negative: 183602, negative conditional: 183602, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26459072, positive: 25640303, positive conditional: 25640303, positive unconditional: 0, negative: 818769, negative conditional: 818769, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25681531, positive: 25640303, positive conditional: 0, positive unconditional: 25640303, negative: 41228, negative conditional: 0, negative unconditional: 41228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 30644, positive: 30538, positive conditional: 0, positive unconditional: 30538, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25681531, positive: 25609765, positive conditional: 0, positive unconditional: 25609765, negative: 41122, negative conditional: 0, negative unconditional: 41122, unknown: 30644, unknown conditional: 0, unknown unconditional: 30644] , Statistics on independence cache: Total cache size (in pairs): 30644, Positive cache size: 30538, Positive conditional cache size: 0, Positive unconditional cache size: 30538, Negative cache size: 106, Negative conditional cache size: 0, Negative unconditional cache size: 106, Independence queries for same thread: 308963, Statistics for Abstraction: - StatisticsResult: Independence relation #8 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 15800061, positive: 15309017, positive conditional: 15309017, positive unconditional: 0, negative: 491044, negative conditional: 491044, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26459072, positive: 25640303, positive conditional: 25640303, positive unconditional: 0, negative: 818769, negative conditional: 818769, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25681531, positive: 25640303, positive conditional: 0, positive unconditional: 25640303, negative: 41228, negative conditional: 0, negative unconditional: 41228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 30644, positive: 30538, positive conditional: 0, positive unconditional: 30538, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25681531, positive: 25609765, positive conditional: 0, positive unconditional: 25609765, negative: 41122, negative conditional: 0, negative unconditional: 41122, unknown: 30644, unknown conditional: 0, unknown unconditional: 30644] , Statistics on independence cache: Total cache size (in pairs): 30644, Positive cache size: 30538, Positive conditional cache size: 0, Positive unconditional cache size: 30538, Negative cache size: 106, Negative conditional cache size: 0, Negative unconditional cache size: 106, Independence queries for same thread: 777541, Statistics for Abstraction: - TimeoutResultAtElement [Line: 881]: 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 5 procedures, 788 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 509.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 502.1s, 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: 45, 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: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 7209 NumberOfCodeBlocks, 7209 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 9868 ConstructedInterpolants, 0 QuantifiedInterpolants, 19390 SizeOfPredicates, 12 NumberOfNonLiveVariables, 5786 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 15675/20309 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 [2022-09-30 07:57:48,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-09-30 07:57:49,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 !SESSION 2022-09-30 07:49:15.817 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.12 java.vendor=Debian BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -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/ring_2w1r-2.line881.bpl Command-line arguments: -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/ring_2w1r-2.line881.bpl !ENTRY org.eclipse.osgi 4 0 2022-09-30 07:57:49.356 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f20711462/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f20711462/.metadata/.log.