/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/divinefifo-bug_1w1r.line1269.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-03 14:30:33,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 14:30:33,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 14:30:33,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 14:30:33,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 14:30:33,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 14:30:33,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 14:30:33,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 14:30:33,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 14:30:33,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 14:30:33,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 14:30:33,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 14:30:33,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 14:30:33,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 14:30:33,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 14:30:33,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 14:30:33,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 14:30:33,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 14:30:33,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 14:30:33,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 14:30:33,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 14:30:33,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 14:30:33,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 14:30:33,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 14:30:33,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-03 14:30:33,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 14:30:33,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 14:30:33,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 14:30:33,404 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 14:30:33,421 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 14:30:33,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 14:30:33,422 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 14:30:33,422 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 14:30:33,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 14:30:33,423 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 14:30:33,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 14:30:33,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 14:30:33,423 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 14:30:33,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 14:30:33,424 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 14:30:33,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 14:30:33,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 14:30:33,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 14:30:33,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 14:30:33,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 14:30:33,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 14:30:33,425 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 14:30:33,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 14:30:33,425 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 14:30:33,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 14:30:33,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 14:30:33,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 14:30:33,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 14:30:33,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 14:30:33,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 14:30:33,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 14:30:33,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 14:30:33,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 14:30:33,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 14:30:33,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 14:30:33,426 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 14:30:33,427 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 14:30:33,427 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 14:30:33,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 14:30:33,427 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 14:30:33,427 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 14:30:33,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 14:30:33,427 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 14:30:33,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 14:30:33,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 14:30:33,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 14:30:33,646 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 14:30:33,647 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 14:30:33,648 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1269.bpl [2022-10-03 14:30:33,649 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo-bug_1w1r.line1269.bpl' [2022-10-03 14:30:33,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 14:30:33,726 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 14:30:33,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 14:30:33,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 14:30:33,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 14:30:33,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:30:33" (1/1) ... [2022-10-03 14:30:33,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:30:33" (1/1) ... [2022-10-03 14:30:33,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:30:33" (1/1) ... [2022-10-03 14:30:33,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:30:33" (1/1) ... [2022-10-03 14:30:33,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:30:33" (1/1) ... [2022-10-03 14:30:33,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:30:33" (1/1) ... [2022-10-03 14:30:33,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:30:33" (1/1) ... [2022-10-03 14:30:33,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 14:30:33,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 14:30:33,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 14:30:33,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 14:30:33,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:30:33" (1/1) ... [2022-10-03 14:30:33,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 14:30:33,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:30:33,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-03 14:30:33,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-03 14:30:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-03 14:30:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-03 14:30:33,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 14:30:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 14:30:33,941 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-03 14:30:34,127 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 14:30:34,128 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 14:30:35,142 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 14:30:35,167 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 14:30:35,167 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-03 14:30:35,171 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:30:35 BoogieIcfgContainer [2022-10-03 14:30:35,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 14:30:35,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 14:30:35,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 14:30:35,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 14:30:35,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 02:30:33" (1/2) ... [2022-10-03 14:30:35,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb5f85 and model type divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:30:35, skipping insertion in model container [2022-10-03 14:30:35,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:30:35" (2/2) ... [2022-10-03 14:30:35,182 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line1269.bpl [2022-10-03 14:30:35,189 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 14:30:35,196 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 14:30:35,197 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 14:30:35,197 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 14:30:35,327 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-03 14:30:35,383 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 14:30:35,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 14:30:35,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:30:35,389 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-03 14:30:35,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-10-03 14:30:35,433 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 14:30:35,451 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-03 14:30:35,457 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;@2a923703, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 14:30:35,457 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 14:30:35,841 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:30:35,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:30:35,847 INFO L85 PathProgramCache]: Analyzing trace with hash -238531833, now seen corresponding path program 1 times [2022-10-03 14:30:35,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:30:35,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640331594] [2022-10-03 14:30:35,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:30:35,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:30:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:30:36,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 14:30:36,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:30:36,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640331594] [2022-10-03 14:30:36,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640331594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:30:36,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:30:36,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-03 14:30:36,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333946803] [2022-10-03 14:30:36,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:30:36,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-03 14:30:36,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:30:36,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-03 14:30:36,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-03 14:30:36,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:30:36,353 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:30:36,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 239.5) internal successors, (479), 2 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-03 14:30:36,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:30:36,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:30:36,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 14:30:36,577 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:30:36,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:30:36,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1510122978, now seen corresponding path program 1 times [2022-10-03 14:30:36,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:30:36,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671264210] [2022-10-03 14:30:36,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:30:36,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:30:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:30:37,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 14:30:37,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:30:37,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671264210] [2022-10-03 14:30:37,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671264210] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:30:37,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:30:37,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-10-03 14:30:37,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483659635] [2022-10-03 14:30:37,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:30:37,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-03 14:30:37,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:30:37,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-03 14:30:37,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2022-10-03 14:30:37,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:30:37,075 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:30:37,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 32.11764705882353) internal successors, (546), 18 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-03 14:30:37,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:30:37,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:30:39,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:30:39,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-03 14:30:39,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-03 14:30:39,822 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:30:39,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:30:39,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1109064598, now seen corresponding path program 1 times [2022-10-03 14:30:39,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:30:39,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911907571] [2022-10-03 14:30:39,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:30:39,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:30:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:30:43,126 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-10-03 14:30:43,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:30:43,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911907571] [2022-10-03 14:30:43,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911907571] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:30:43,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:30:43,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [67] imperfect sequences [] total 67 [2022-10-03 14:30:43,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413674421] [2022-10-03 14:30:43,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:30:43,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-10-03 14:30:43,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:30:43,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-10-03 14:30:43,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=4208, Unknown=0, NotChecked=0, Total=4422 [2022-10-03 14:30:43,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:30:43,133 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:30:43,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 12.253731343283581) internal successors, (821), 67 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-03 14:30:43,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:30:43,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-10-03 14:30:43,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:31:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:31:01,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-03 14:31:01,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-10-03 14:31:01,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-03 14:31:01,628 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:31:01,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:31:01,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1972357330, now seen corresponding path program 1 times [2022-10-03 14:31:01,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:31:01,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241761759] [2022-10-03 14:31:01,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:31:01,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:31:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:31:03,965 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-10-03 14:31:03,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:31:03,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241761759] [2022-10-03 14:31:03,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241761759] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:31:03,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:31:03,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [62] imperfect sequences [] total 62 [2022-10-03 14:31:03,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389109766] [2022-10-03 14:31:03,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:31:03,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-10-03 14:31:03,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:31:03,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-10-03 14:31:03,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=3592, Unknown=0, NotChecked=0, Total=3782 [2022-10-03 14:31:03,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:31:03,970 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:31:03,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 13.935483870967742) internal successors, (864), 62 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-03 14:31:03,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:31:03,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-10-03 14:31:03,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-10-03 14:31:03,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:31:19,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:31:19,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-03 14:31:19,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-10-03 14:31:19,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-10-03 14:31:19,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-03 14:31:19,569 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:31:19,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:31:19,569 INFO L85 PathProgramCache]: Analyzing trace with hash 632865306, now seen corresponding path program 1 times [2022-10-03 14:31:19,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:31:19,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523922271] [2022-10-03 14:31:19,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:31:19,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:31:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:31:22,475 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 14:31:22,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:31:22,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523922271] [2022-10-03 14:31:22,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523922271] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:31:22,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:31:22,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [75] imperfect sequences [] total 75 [2022-10-03 14:31:22,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411729569] [2022-10-03 14:31:22,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:31:22,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-10-03 14:31:22,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:31:22,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-10-03 14:31:22,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=5315, Unknown=0, NotChecked=0, Total=5550 [2022-10-03 14:31:22,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:31:22,480 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:31:22,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 10.626666666666667) internal successors, (797), 75 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-03 14:31:22,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:31:22,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-10-03 14:31:22,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-10-03 14:31:22,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-10-03 14:31:22,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:31:44,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:31:44,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-03 14:31:44,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-10-03 14:31:44,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-10-03 14:31:44,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-10-03 14:31:44,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-03 14:31:44,544 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:31:44,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:31:44,545 INFO L85 PathProgramCache]: Analyzing trace with hash 842791273, now seen corresponding path program 1 times [2022-10-03 14:31:44,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:31:44,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624827215] [2022-10-03 14:31:44,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:31:44,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:31:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:31:47,640 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 14:31:47,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:31:47,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624827215] [2022-10-03 14:31:47,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624827215] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:31:47,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 14:31:47,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [78] imperfect sequences [] total 78 [2022-10-03 14:31:47,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37329773] [2022-10-03 14:31:47,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:31:47,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2022-10-03 14:31:47,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:31:47,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2022-10-03 14:31:47,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=5755, Unknown=0, NotChecked=0, Total=6006 [2022-10-03 14:31:47,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:31:47,644 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:31:47,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 9.243589743589743) internal successors, (721), 78 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-03 14:31:47,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:31:47,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-10-03 14:31:47,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-10-03 14:31:47,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-10-03 14:31:47,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2022-10-03 14:31:47,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:32:18,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:32:18,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-03 14:32:18,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-10-03 14:32:18,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-10-03 14:32:18,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-10-03 14:32:18,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2022-10-03 14:32:18,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-03 14:32:18,609 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:32:18,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:32:18,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1175124583, now seen corresponding path program 1 times [2022-10-03 14:32:18,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:32:18,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868164745] [2022-10-03 14:32:18,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:32:18,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:32:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:32:22,735 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 236 proven. 182 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-10-03 14:32:22,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:32:22,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868164745] [2022-10-03 14:32:22,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868164745] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 14:32:22,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890799990] [2022-10-03 14:32:22,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:32:22,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 14:32:22,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:32:22,738 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 14:32:22,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-03 14:32:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:32:23,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 3047 conjuncts, 199 conjunts are in the unsatisfiable core [2022-10-03 14:32:23,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 14:32:23,944 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-10-03 14:32:24,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:32:24,280 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 17 [2022-10-03 14:32:24,736 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-03 14:32:24,736 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 11 treesize of output 11 [2022-10-03 14:32:25,064 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 20 [2022-10-03 14:32:26,302 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-10-03 14:32:27,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:32:27,185 INFO L356 Elim1Store]: treesize reduction 142, result has 14.5 percent of original size [2022-10-03 14:32:27,186 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 41 treesize of output 37 [2022-10-03 14:32:29,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:32:29,745 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2022-10-03 14:32:30,013 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-10-03 14:32:31,544 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 14:32:31,545 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 12 [2022-10-03 14:32:31,762 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 333 proven. 116 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-03 14:32:31,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 14:32:33,374 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2022-10-03 14:32:36,975 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_508 (Array Int Int))) (let ((.cse0 (select (store |c_ULTIMATE.start_write~int_old_#memory_$Pointer$#1.base| |c_ULTIMATE.start_write~int_#ptr#1.base| v_ArrVal_508) |c_ULTIMATE.start_main_~#q~1#1.base|))) (= (select .cse0 (+ 4 |c_ULTIMATE.start_main_~#q~1#1.offset|)) (select .cse0 |c_ULTIMATE.start_main_~#q~1#1.offset|)))) is different from false [2022-10-03 14:32:36,983 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_508 (Array Int Int))) (let ((.cse0 (select (store |c_ULTIMATE.start_write~int_old_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~#p~0#1.base| v_ArrVal_508) |c_ULTIMATE.start_main_~#q~1#1.base|))) (= (select .cse0 (+ 4 |c_ULTIMATE.start_main_~#q~1#1.offset|)) (select .cse0 |c_ULTIMATE.start_main_~#q~1#1.offset|)))) is different from false [2022-10-03 14:32:36,989 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_508 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#p~0#1.base| v_ArrVal_508) |c_ULTIMATE.start_main_~#q~1#1.base|))) (= (select .cse0 (+ 4 |c_ULTIMATE.start_main_~#q~1#1.offset|)) (select .cse0 |c_ULTIMATE.start_main_~#q~1#1.offset|)))) is different from false [2022-10-03 14:32:37,021 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_508 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_508) |c_ULTIMATE.start_main_~#q~1#1.base|))) (= (select .cse0 (+ 4 |c_ULTIMATE.start_main_~#q~1#1.offset|)) (select .cse0 |c_ULTIMATE.start_main_~#q~1#1.offset|)))) is different from false [2022-10-03 14:32:38,010 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-10-03 14:32:38,011 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 13 treesize of output 12 [2022-10-03 14:32:38,018 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_508 (Array Int Int)) (|ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| Int)) (or (let ((.cse0 (select (store (store |c_ULTIMATE.start_write~$Pointer$_old_#memory_$Pointer$#1.base| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.base| (store (select |c_ULTIMATE.start_write~$Pointer$_old_#memory_$Pointer$#1.base| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.base|) |c_ULTIMATE.start_write~$Pointer$_#ptr#1.offset| |c_ULTIMATE.start_write~$Pointer$_#value#1.base|)) |ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| v_ArrVal_508) |c_ULTIMATE.start_main_~#q~1#1.base|))) (= (select .cse0 (+ 4 |c_ULTIMATE.start_main_~#q~1#1.offset|)) (select .cse0 |c_ULTIMATE.start_main_~#q~1#1.offset|))) (= |ULTIMATE.start_#Ultimate.allocOnStack_#res#1.base| |c_ULTIMATE.start_write~$Pointer$_#ptr#1.base|))) is different from false [2022-10-03 14:32:38,651 INFO L356 Elim1Store]: treesize reduction 15, result has 64.3 percent of original size [2022-10-03 14:32:38,651 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 46 [2022-10-03 14:32:38,676 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 14:32:38,676 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 99 [2022-10-03 14:32:38,686 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2022-10-03 14:32:39,596 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 154 proven. 295 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-03 14:32:39,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890799990] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 14:32:39,601 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 14:32:39,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 61, 50] total 201 [2022-10-03 14:32:39,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537696678] [2022-10-03 14:32:39,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 14:32:39,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 201 states [2022-10-03 14:32:39,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:32:39,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2022-10-03 14:32:39,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=791, Invalid=37055, Unknown=394, NotChecked=1960, Total=40200 [2022-10-03 14:32:39,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:32:39,623 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:32:39,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 201 states, 201 states have (on average 15.338308457711443) internal successors, (3083), 201 states have internal predecessors, (3083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-03 14:32:39,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:32:39,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-03 14:32:39,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-10-03 14:32:39,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-10-03 14:32:39,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-10-03 14:32:39,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2022-10-03 14:32:39,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:36:24,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:36:24,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-03 14:36:24,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-10-03 14:36:24,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-10-03 14:36:24,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-10-03 14:36:24,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-10-03 14:36:24,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2022-10-03 14:36:24,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-03 14:36:24,907 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,SelfDestructingSolverStorable6 [2022-10-03 14:36:24,907 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:36:24,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:36:24,908 INFO L85 PathProgramCache]: Analyzing trace with hash -554918359, now seen corresponding path program 1 times [2022-10-03 14:36:24,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:36:24,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683537104] [2022-10-03 14:36:24,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:36:24,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:36:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:36:31,391 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 112 proven. 343 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 14:36:31,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:36:31,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683537104] [2022-10-03 14:36:31,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683537104] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 14:36:31,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305531966] [2022-10-03 14:36:31,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:36:31,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 14:36:31,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:36:31,404 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 14:36:31,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-03 14:36:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:36:31,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 2897 conjuncts, 412 conjunts are in the unsatisfiable core [2022-10-03 14:36:32,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 14:36:33,314 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-10-03 14:36:33,828 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-03 14:36:33,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:36:33,835 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2022-10-03 14:36:38,464 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-03 14:36:38,464 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 11 treesize of output 11 [2022-10-03 14:36:39,327 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-10-03 14:36:39,328 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 70 [2022-10-03 14:36:39,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:36:39,334 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-10-03 14:36:39,334 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 72 [2022-10-03 14:36:44,497 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-10-03 14:36:44,497 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-03 14:36:44,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305531966] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 14:36:44,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-03 14:36:44,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [71] imperfect sequences [98] total 167 [2022-10-03 14:36:44,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106501226] [2022-10-03 14:36:44,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 14:36:44,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-10-03 14:36:44,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:36:44,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-10-03 14:36:44,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=677, Invalid=27045, Unknown=0, NotChecked=0, Total=27722 [2022-10-03 14:36:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:36:44,503 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:36:44,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 12.070422535211268) internal successors, (857), 71 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-03 14:36:44,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:36:44,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-03 14:36:44,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-10-03 14:36:44,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-10-03 14:36:44,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2022-10-03 14:36:44,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-10-03 14:36:44,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2022-10-03 14:36:44,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:38:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:38:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-03 14:38:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-10-03 14:38:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-10-03 14:38:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2022-10-03 14:38:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-10-03 14:38:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2022-10-03 14:38:03,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-10-03 14:38:03,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-03 14:38:04,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 14:38:04,138 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:38:04,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:38:04,139 INFO L85 PathProgramCache]: Analyzing trace with hash 469170911, now seen corresponding path program 1 times [2022-10-03 14:38:04,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:38:04,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784588729] [2022-10-03 14:38:04,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:38:04,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:38:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:38:10,314 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 23 proven. 413 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-10-03 14:38:10,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:38:10,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784588729] [2022-10-03 14:38:10,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784588729] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 14:38:10,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129150349] [2022-10-03 14:38:10,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:38:10,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 14:38:10,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:38:10,316 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 14:38:10,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-03 14:38:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:38:10,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 3151 conjuncts, 170 conjunts are in the unsatisfiable core [2022-10-03 14:38:10,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 14:38:17,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:38:17,505 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2022-10-03 14:38:17,650 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-10-03 14:38:17,780 INFO L356 Elim1Store]: treesize reduction 4, result has 75.0 percent of original size [2022-10-03 14:38:17,780 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 19 treesize of output 19 [2022-10-03 14:38:18,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:38:18,413 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 14:38:18,415 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 14:38:18,415 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 17 [2022-10-03 14:38:18,632 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 54 proven. 359 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-10-03 14:38:18,633 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 14:38:21,176 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2022-10-03 14:38:24,053 INFO L356 Elim1Store]: treesize reduction 13, result has 88.2 percent of original size [2022-10-03 14:38:24,053 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 112 treesize of output 174 [2022-10-03 14:38:27,075 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2022-10-03 14:38:27,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129150349] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 14:38:27,076 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 14:38:27,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 53, 50] total 191 [2022-10-03 14:38:27,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665754162] [2022-10-03 14:38:27,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 14:38:27,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 191 states [2022-10-03 14:38:27,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 14:38:27,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2022-10-03 14:38:27,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1057, Invalid=35233, Unknown=0, NotChecked=0, Total=36290 [2022-10-03 14:38:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:38:27,089 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 14:38:27,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 191 states have (on average 14.397905759162304) internal successors, (2750), 191 states have internal predecessors, (2750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-03 14:38:27,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:38:27,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-03 14:38:27,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-10-03 14:38:27,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-10-03 14:38:27,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2022-10-03 14:38:27,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-10-03 14:38:27,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2022-10-03 14:38:27,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-10-03 14:38:27,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:39:51,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 14:39:51,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-03 14:39:51,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-10-03 14:39:51,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-10-03 14:39:51,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2022-10-03 14:39:51,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2022-10-03 14:39:51,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2022-10-03 14:39:51,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-10-03 14:39:51,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 262 states. [2022-10-03 14:39:51,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-03 14:39:51,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 14:39:51,912 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-03 14:39:51,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 14:39:51,913 INFO L85 PathProgramCache]: Analyzing trace with hash -2069531036, now seen corresponding path program 1 times [2022-10-03 14:39:51,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 14:39:51,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961574298] [2022-10-03 14:39:51,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:39:51,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 14:39:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:39:57,808 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 16 proven. 54 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-03 14:39:57,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 14:39:57,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961574298] [2022-10-03 14:39:57,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961574298] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 14:39:57,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369746684] [2022-10-03 14:39:57,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 14:39:57,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 14:39:57,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 14:39:57,810 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 14:39:57,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-03 14:39:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 14:39:58,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 2337 conjuncts, 254 conjunts are in the unsatisfiable core [2022-10-03 14:39:58,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 14:39:59,239 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-10-03 14:39:59,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:39:59,608 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-03 14:39:59,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:39:59,797 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-03 14:40:00,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:40:00,291 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-10-03 14:40:00,620 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-03 14:40:00,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:40:00,626 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2022-10-03 14:40:04,151 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-03 14:40:04,151 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 11 treesize of output 11 [2022-10-03 14:40:04,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:40:04,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:40:04,948 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 42 [2022-10-03 14:40:04,953 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 55 [2022-10-03 14:40:08,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:40:08,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-03 14:40:08,737 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 31 [2022-10-03 14:40:09,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:40:09,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-03 14:40:09,925 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-10-03 14:40:09,925 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 28 [2022-10-03 14:40:10,163 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-03 14:40:10,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 14:40:18,836 INFO L356 Elim1Store]: treesize reduction 34, result has 59.0 percent of original size [2022-10-03 14:40:18,837 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 168 treesize of output 188 [2022-10-03 14:40:18,872 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 14:40:18,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 180 treesize of output 221 [2022-10-03 14:40:18,882 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-10-03 14:40:44,310 WARN L233 SmtUtils]: Spent 24.02s on a formula simplification. DAG size of input: 99 DAG size of output: 91 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-10-03 14:40:46,304 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-03 14:40:46,305 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 1454 treesize of output 2028 Received shutdown request... [2022-10-03 14:43:33,242 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-10-03 14:43:33,245 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 14:43:33,260 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-03 14:43:33,261 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-03 14:43:33,273 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-03 14:43:33,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-03 14:43:33,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-10-03 14:43:33,460 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 955 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 14ms.. [2022-10-03 14:43:33,465 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-03 14:43:33,467 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-10-03 14:43:33,472 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-03 14:43:33,472 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-03 14:43:33,475 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1269.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:43:33 BasicIcfg [2022-10-03 14:43:33,475 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-03 14:43:33,476 INFO L158 Benchmark]: Toolchain (without parser) took 779750.07ms. Allocated memory was 197.1MB in the beginning and 796.9MB in the end (delta: 599.8MB). Free memory was 144.5MB in the beginning and 200.6MB in the end (delta: -56.1MB). Peak memory consumption was 681.3MB. Max. memory is 8.0GB. [2022-10-03 14:43:33,476 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.34ms. Allocated memory is still 197.1MB. Free memory was 150.7MB in the beginning and 150.5MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-03 14:43:33,478 INFO L158 Benchmark]: Boogie Preprocessor took 107.97ms. Allocated memory is still 197.1MB. Free memory was 144.4MB in the beginning and 137.4MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-10-03 14:43:33,478 INFO L158 Benchmark]: RCFGBuilder took 1335.43ms. Allocated memory was 197.1MB in the beginning and 309.3MB in the end (delta: 112.2MB). Free memory was 137.4MB in the beginning and 269.6MB in the end (delta: -132.2MB). Peak memory consumption was 48.7MB. Max. memory is 8.0GB. [2022-10-03 14:43:33,479 INFO L158 Benchmark]: TraceAbstraction took 778302.29ms. Allocated memory was 309.3MB in the beginning and 796.9MB in the end (delta: 487.6MB). Free memory was 268.6MB in the beginning and 200.6MB in the end (delta: 67.9MB). Peak memory consumption was 692.4MB. Max. memory is 8.0GB. [2022-10-03 14:43:33,479 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 0.34ms. Allocated memory is still 197.1MB. Free memory was 150.7MB in the beginning and 150.5MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 107.97ms. Allocated memory is still 197.1MB. Free memory was 144.4MB in the beginning and 137.4MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1335.43ms. Allocated memory was 197.1MB in the beginning and 309.3MB in the end (delta: 112.2MB). Free memory was 137.4MB in the beginning and 269.6MB in the end (delta: -132.2MB). Peak memory consumption was 48.7MB. Max. memory is 8.0GB. * TraceAbstraction took 778302.29ms. Allocated memory was 309.3MB in the beginning and 796.9MB in the end (delta: 487.6MB). Free memory was 268.6MB in the beginning and 200.6MB in the end (delta: 67.9MB). Peak memory consumption was 692.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 267, positive: 255, positive conditional: 255, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 255, Positive cache size: 255, Positive conditional cache size: 0, Positive unconditional cache size: 255, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 12, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 897, positive: 869, positive conditional: 869, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 869, Positive cache size: 869, Positive conditional cache size: 0, Positive unconditional cache size: 869, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 40, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2792, positive: 2702, positive conditional: 2702, positive unconditional: 0, negative: 90, negative conditional: 90, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 2014, Positive cache size: 2014, Positive conditional cache size: 0, Positive unconditional cache size: 2014, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 130, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2983, positive: 2888, positive conditional: 2888, positive unconditional: 0, negative: 95, negative conditional: 95, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 2679, Positive cache size: 2678, Positive conditional cache size: 0, Positive unconditional cache size: 2678, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 224, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2547, positive: 2464, positive conditional: 2464, positive unconditional: 0, negative: 83, negative conditional: 83, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 2809, Positive cache size: 2808, Positive conditional cache size: 0, Positive unconditional cache size: 2808, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 307, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2141, positive: 2070, positive conditional: 2070, positive unconditional: 0, negative: 71, negative conditional: 71, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 2830, Positive cache size: 2829, Positive conditional cache size: 0, Positive unconditional cache size: 2829, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 378, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 4871, positive: 4711, positive conditional: 4711, positive unconditional: 0, negative: 160, negative conditional: 160, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 3045, Positive cache size: 3044, Positive conditional cache size: 0, Positive unconditional cache size: 3044, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 538, Statistics for Abstraction: - StatisticsResult: Independence relation #8 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 4670, positive: 4516, positive conditional: 4516, positive unconditional: 0, negative: 154, negative conditional: 154, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 3083, Positive cache size: 3082, Positive conditional cache size: 0, Positive unconditional cache size: 3082, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 692, Statistics for Abstraction: - StatisticsResult: Independence relation #9 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3322, positive: 3217, positive conditional: 3217, positive unconditional: 0, negative: 105, negative conditional: 105, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 3632, Positive cache size: 3629, Positive conditional cache size: 0, Positive unconditional cache size: 3629, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Independence queries for same thread: 795, Statistics for Abstraction: - StatisticsResult: Independence relation #10 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 10413, positive: 10006, positive conditional: 10006, positive unconditional: 0, negative: 407, negative conditional: 407, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34903, positive: 33698, positive conditional: 33698, positive unconditional: 0, negative: 1205, negative conditional: 1205, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33706, positive: 33698, positive conditional: 0, positive unconditional: 33698, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5738, positive: 5730, positive conditional: 0, positive unconditional: 5730, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33706, positive: 27968, positive conditional: 0, positive unconditional: 27968, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 5738, unknown conditional: 0, unknown unconditional: 5738] , Statistics on independence cache: Total cache size (in pairs): 5738, Positive cache size: 5730, Positive conditional cache size: 0, Positive unconditional cache size: 5730, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 1197, Statistics for Abstraction: - TimeoutResultAtElement [Line: 1269]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 955 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 14ms.. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 1463 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 778.1s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 479.6s, 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: 1236, 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: 0.4s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 72.7s InterpolantComputationTime, 11742 NumberOfCodeBlocks, 11742 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 14254 ConstructedInterpolants, 464 QuantifiedInterpolants, 238790 SizeOfPredicates, 325 NumberOfNonLiveVariables, 9095 ConjunctsInSsa, 781 ConjunctsInUnsatCore, 14 InterpolantComputations, 7 PerfectInterpolantSequences, 2192/3902 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