/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_16-arrayloop_rc.line703.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-29 19:30:57,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 19:30:57,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 19:30:57,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 19:30:57,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 19:30:57,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 19:30:57,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 19:30:57,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 19:30:57,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 19:30:57,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 19:30:57,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 19:30:57,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 19:30:57,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 19:30:57,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 19:30:57,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 19:30:57,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 19:30:57,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 19:30:57,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 19:30:57,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 19:30:57,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 19:30:57,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 19:30:57,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 19:30:57,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 19:30:57,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 19:30:57,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 19:30:57,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 19:30:57,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 19:30:57,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 19:30:57,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-29 19:30:57,945 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 19:30:57,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 19:30:57,945 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 19:30:57,945 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 19:30:57,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-29 19:30:57,946 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-29 19:30:57,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 19:30:57,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 19:30:57,947 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 19:30:57,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 19:30:57,948 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 19:30:57,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 19:30:57,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 19:30:57,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 19:30:57,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-29 19:30:57,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-29 19:30:57,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-29 19:30:57,949 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 19:30:57,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 19:30:57,949 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 19:30:57,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-29 19:30:57,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 19:30:57,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 19:30:57,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-29 19:30:57,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-29 19:30:57,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 19:30:57,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 19:30:57,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-29 19:30:57,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-29 19:30:57,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 19:30:57,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-29 19:30:57,952 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-29 19:30:57,952 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-29 19:30:57,952 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-29 19:30:57,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-29 19:30:57,952 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-29 19:30:57,952 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-29 19:30:57,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-29 19:30:57,952 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 19:30:58,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 19:30:58,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 19:30:58,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 19:30:58,198 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 19:30:58,201 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 19:30:58,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_16-arrayloop_rc.line703.bpl [2022-09-29 19:30:58,202 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_16-arrayloop_rc.line703.bpl' [2022-09-29 19:30:58,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 19:30:58,251 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-29 19:30:58,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 19:30:58,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 19:30:58,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 19:30:58,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:30:58" (1/1) ... [2022-09-29 19:30:58,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:30:58" (1/1) ... [2022-09-29 19:30:58,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:30:58" (1/1) ... [2022-09-29 19:30:58,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:30:58" (1/1) ... [2022-09-29 19:30:58,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:30:58" (1/1) ... [2022-09-29 19:30:58,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:30:58" (1/1) ... [2022-09-29 19:30:58,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:30:58" (1/1) ... [2022-09-29 19:30:58,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 19:30:58,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 19:30:58,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 19:30:58,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 19:30:58,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:30:58" (1/1) ... [2022-09-29 19:30:58,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 19:30:58,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:30:58,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-29 19:30:58,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-29 19:30:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-09-29 19:30:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-09-29 19:30:58,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 19:30:58,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 19:30:58,441 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 19:30:58,620 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 19:30:58,621 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 19:30:59,023 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 19:30:59,049 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 19:30:59,049 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-09-29 19:30:59,052 INFO L202 PluginConnector]: Adding new model 09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 07:30:59 BoogieIcfgContainer [2022-09-29 19:30:59,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 19:30:59,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-29 19:30:59,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-29 19:30:59,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-29 19:30:59,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 07:30:58" (1/2) ... [2022-09-29 19:30:59,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e9d386 and model type 09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 07:30:59, skipping insertion in model container [2022-09-29 19:30:59,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 07:30:59" (2/2) ... [2022-09-29 19:30:59,065 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_16-arrayloop_rc.line703.bpl [2022-09-29 19:30:59,073 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-29 19:30:59,086 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-29 19:30:59,086 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-29 19:30:59,086 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-29 19:30:59,180 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-29 19:30:59,240 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 19:30:59,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 19:30:59,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:30:59,245 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-29 19:30:59,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-09-29 19:30:59,295 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 19:30:59,305 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 19:30:59,314 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;@55c85698, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 19:30:59,314 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 19:30:59,492 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:30:59,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:30:59,497 INFO L85 PathProgramCache]: Analyzing trace with hash -367342812, now seen corresponding path program 1 times [2022-09-29 19:30:59,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:30:59,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928418233] [2022-09-29 19:30:59,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:30:59,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:30:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:30:59,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:30:59,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:30:59,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928418233] [2022-09-29 19:30:59,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928418233] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 19:30:59,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 19:30:59,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-29 19:30:59,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749046403] [2022-09-29 19:30:59,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 19:30:59,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-29 19:30:59,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:30:59,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-29 19:30:59,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-29 19:30:59,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:30:59,832 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:30:59,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 70.5) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 19:30:59,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:30:59,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:30:59,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-29 19:30:59,864 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:30:59,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:30:59,865 INFO L85 PathProgramCache]: Analyzing trace with hash 416036163, now seen corresponding path program 1 times [2022-09-29 19:30:59,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:30:59,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107046511] [2022-09-29 19:30:59,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:30:59,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:30:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:31:00,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:31:00,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:31:00,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107046511] [2022-09-29 19:31:00,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107046511] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 19:31:00,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 19:31:00,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-29 19:31:00,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275560785] [2022-09-29 19:31:00,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 19:31:00,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-29 19:31:00,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:31:00,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-29 19:31:00,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-29 19:31:00,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:31:00,013 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:31:00,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 19:31:00,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:31:00,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:31:00,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:31:00,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:31:00,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-29 19:31:00,126 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:31:00,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:31:00,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1385963873, now seen corresponding path program 1 times [2022-09-29 19:31:00,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:31:00,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408049543] [2022-09-29 19:31:00,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:31:00,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:31:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:31:00,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:31:00,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:31:00,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408049543] [2022-09-29 19:31:00,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408049543] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 19:31:00,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641549827] [2022-09-29 19:31:00,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:31:00,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:31:00,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:31:00,373 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 19:31:00,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-09-29 19:31:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:31:00,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 4 conjunts are in the unsatisfiable core [2022-09-29 19:31:00,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 19:31:00,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:31:00,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 19:31:00,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:31:00,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641549827] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 19:31:00,854 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 19:31:00,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-09-29 19:31:00,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848872818] [2022-09-29 19:31:00,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 19:31:00,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-29 19:31:00,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:31:00,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-29 19:31:00,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-09-29 19:31:00,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:31:00,859 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:31:00,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 30.2) internal successors, (302), 10 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) [2022-09-29 19:31:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:31:00,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:31:00,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:31:01,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:31:01,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:31:01,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:31:01,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-09-29 19:31:01,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-09-29 19:31:01,230 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:31:01,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:31:01,230 INFO L85 PathProgramCache]: Analyzing trace with hash -482562785, now seen corresponding path program 2 times [2022-09-29 19:31:01,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:31:01,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323877371] [2022-09-29 19:31:01,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:31:01,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:31:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:31:01,507 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:31:01,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:31:01,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323877371] [2022-09-29 19:31:01,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323877371] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 19:31:01,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536494115] [2022-09-29 19:31:01,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-09-29 19:31:01,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:31:01,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:31:01,516 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 19:31:01,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-09-29 19:31:01,748 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-09-29 19:31:01,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-29 19:31:01,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 8 conjunts are in the unsatisfiable core [2022-09-29 19:31:01,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 19:31:02,001 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:31:02,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 19:31:02,259 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:31:02,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536494115] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 19:31:02,259 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 19:31:02,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-09-29 19:31:02,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701398822] [2022-09-29 19:31:02,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 19:31:02,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-29 19:31:02,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:31:02,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-29 19:31:02,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-09-29 19:31:02,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:31:02,263 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:31:02,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 28.555555555555557) internal successors, (514), 18 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 19:31:02,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:31:02,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:31:02,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:31:02,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:31:02,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:31:02,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:31:02,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:31:02,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-29 19:31:02,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-09-29 19:31:02,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:31:02,732 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:31:02,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:31:02,733 INFO L85 PathProgramCache]: Analyzing trace with hash 2130438687, now seen corresponding path program 3 times [2022-09-29 19:31:02,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:31:02,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263751365] [2022-09-29 19:31:02,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:31:02,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:31:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 19:31:03,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:31:03,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 19:31:03,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263751365] [2022-09-29 19:31:03,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263751365] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 19:31:03,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050706846] [2022-09-29 19:31:03,179 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-09-29 19:31:03,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:31:03,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 19:31:03,181 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 19:31:03,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-09-29 19:31:26,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-09-29 19:31:26,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-29 19:31:26,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 16 conjunts are in the unsatisfiable core [2022-09-29 19:31:26,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 19:31:27,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:31:27,175 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 19:31:27,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 1120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 19:31:27,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050706846] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 19:31:27,686 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 19:31:27,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-09-29 19:31:27,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267344659] [2022-09-29 19:31:27,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 19:31:27,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-29 19:31:27,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 19:31:27,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-29 19:31:27,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-09-29 19:31:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:31:27,690 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 19:31:27,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 29.26086956521739) internal successors, (673), 23 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 19:31:27,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:31:27,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:31:27,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:31:27,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-09-29 19:31:27,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:31:28,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 19:31:28,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-29 19:31:28,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 19:31:28,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-29 19:31:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-29 19:31:28,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-09-29 19:31:28,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 19:31:28,232 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 19:31:28,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 19:31:28,232 INFO L85 PathProgramCache]: Analyzing trace with hash -638640957, now seen corresponding path program 4 times [2022-09-29 19:31:28,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 19:31:28,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674448631] [2022-09-29 19:31:28,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 19:31:28,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 19:31:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-09-29 19:42:35,845 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,851 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 19:42:35,866 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,867 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 19:42:35,874 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,876 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,892 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,894 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,911 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,913 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,915 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,916 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,918 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,919 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,921 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,922 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,924 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,925 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,927 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,929 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,930 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,932 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,934 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,935 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,937 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,938 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,940 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,942 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,943 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,945 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,947 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,948 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,950 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,952 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,954 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,955 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,957 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,959 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,964 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,965 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,967 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,976 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,978 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,979 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,981 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,983 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,985 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,986 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,988 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,990 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,992 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:35,993 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,001 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,003 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,008 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,010 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,012 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,013 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,015 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,017 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,019 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,021 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,023 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,025 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,026 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,028 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,033 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,053 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,055 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,057 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,058 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,061 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,063 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,065 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,066 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,068 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,070 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,072 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,073 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,075 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,077 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,079 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,080 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,082 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,084 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,085 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,087 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,088 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,090 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,091 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,093 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,094 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,096 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,098 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,099 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,101 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,103 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,104 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,106 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,108 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,109 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,111 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,113 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,114 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,116 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,118 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,119 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,121 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,122 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,124 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,126 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,127 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,129 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,131 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,132 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,134 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,136 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,138 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,139 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,141 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,145 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,147 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,149 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,151 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,152 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,167 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,169 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,171 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,172 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,173 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,173 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,174 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,174 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,174 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,174 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,174 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,175 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,175 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,175 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,175 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,175 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,175 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,176 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2022-09-29 19:42:36,206 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 19:42:36,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-29 19:42:36,207 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 672 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 670 interpolants. [2022-09-29 19:42:36,215 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2022-09-29 19:42:36,217 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-09-29 19:42:36,219 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-29 19:42:36,219 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-29 19:42:36,233 INFO L202 PluginConnector]: Adding new model 09-regions_16-arrayloop_rc.line703.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 07:42:36 BasicIcfg [2022-09-29 19:42:36,233 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-29 19:42:36,234 INFO L158 Benchmark]: Toolchain (without parser) took 697983.08ms. Allocated memory was 223.3MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 172.5MB in the beginning and 468.1MB in the end (delta: -295.6MB). Peak memory consumption was 4.0GB. Max. memory is 8.0GB. [2022-09-29 19:42:36,234 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 223.3MB. Free memory is still 175.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 19:42:36,235 INFO L158 Benchmark]: Boogie Preprocessor took 93.64ms. Allocated memory is still 223.3MB. Free memory was 172.5MB in the beginning and 169.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-09-29 19:42:36,235 INFO L158 Benchmark]: RCFGBuilder took 697.57ms. Allocated memory is still 223.3MB. Free memory was 169.1MB in the beginning and 169.0MB in the end (delta: 181.5kB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. [2022-09-29 19:42:36,235 INFO L158 Benchmark]: TraceAbstraction took 697179.82ms. Allocated memory was 223.3MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 167.9MB in the beginning and 468.1MB in the end (delta: -300.2MB). Peak memory consumption was 4.0GB. Max. memory is 8.0GB. [2022-09-29 19:42:36,236 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 223.3MB. Free memory is still 175.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 93.64ms. Allocated memory is still 223.3MB. Free memory was 172.5MB in the beginning and 169.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 697.57ms. Allocated memory is still 223.3MB. Free memory was 169.1MB in the beginning and 169.0MB in the end (delta: 181.5kB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. * TraceAbstraction took 697179.82ms. Allocated memory was 223.3MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 167.9MB in the beginning and 468.1MB in the end (delta: -300.2MB). Peak memory consumption was 4.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 77, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, positive: 426, positive conditional: 426, positive unconditional: 0, negative: 89, negative conditional: 89, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 426, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 71, Positive conditional cache size: 0, Positive unconditional cache size: 71, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 6, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 75, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, positive: 426, positive conditional: 426, positive unconditional: 0, negative: 89, negative conditional: 89, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 426, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 71, Positive conditional cache size: 0, Positive unconditional cache size: 71, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 10, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 78, positive: 71, positive conditional: 71, 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: 515, positive: 426, positive conditional: 426, positive unconditional: 0, negative: 89, negative conditional: 89, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 426, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 17, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 84, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, positive: 426, positive conditional: 426, positive unconditional: 0, negative: 89, negative conditional: 89, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 426, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 30, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 96, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, positive: 426, positive conditional: 426, positive unconditional: 0, negative: 89, negative conditional: 89, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 426, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 55, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 105, positive: 71, positive conditional: 71, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 515, positive: 426, positive conditional: 426, positive unconditional: 0, negative: 89, negative conditional: 89, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 426, positive conditional: 0, positive unconditional: 426, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 426, positive: 350, positive conditional: 0, positive unconditional: 350, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 76, unknown conditional: 0, unknown unconditional: 76] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 89, Statistics for Abstraction: - TimeoutResultAtElement [Line: 703]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 672 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 670 interpolants. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 473 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 697.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 1.0s, 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: 65, 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, 23.8s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2294 NumberOfCodeBlocks, 2294 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3289 ConstructedInterpolants, 0 QuantifiedInterpolants, 6807 SizeOfPredicates, 22 NumberOfNonLiveVariables, 2718 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 0/3849 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 [2022-09-29 19:42:36,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-09-29 19:42:36,539 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 2022-09-29 19:30:55.508 ----------------------------------------------- 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/09-regions_16-arrayloop_rc.line703.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/09-regions_16-arrayloop_rc.line703.bpl !ENTRY org.eclipse.osgi 4 0 2022-09-29 19:42:36.713 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe9c0cad1/.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/fe9c0cad1/.metadata/.log.