/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_26-alloc_region_rc.line807.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-29 20:05:43,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 20:05:43,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 20:05:43,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 20:05:43,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 20:05:43,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 20:05:43,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 20:05:43,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 20:05:43,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 20:05:43,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 20:05:43,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 20:05:43,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 20:05:43,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 20:05:43,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 20:05:43,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 20:05:43,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 20:05:43,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 20:05:43,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 20:05:43,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 20:05:43,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 20:05:43,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 20:05:43,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 20:05:43,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 20:05:43,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 20:05:43,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 20:05:43,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 20:05:43,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 20:05:43,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 20:05:43,444 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-29 20:05:43,472 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 20:05:43,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 20:05:43,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 20:05:43,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 20:05:43,474 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-29 20:05:43,474 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-29 20:05:43,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 20:05:43,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 20:05:43,474 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 20:05:43,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 20:05:43,475 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 20:05:43,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 20:05:43,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 20:05:43,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 20:05:43,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-29 20:05:43,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-29 20:05:43,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-29 20:05:43,476 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 20:05:43,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 20:05:43,476 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 20:05:43,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-29 20:05:43,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 20:05:43,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 20:05:43,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-29 20:05:43,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-29 20:05:43,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 20:05:43,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 20:05:43,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-29 20:05:43,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-29 20:05:43,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 20:05:43,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-29 20:05:43,478 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-29 20:05:43,478 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-29 20:05:43,478 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-29 20:05:43,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-29 20:05:43,478 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-29 20:05:43,478 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-29 20:05:43,478 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-29 20:05:43,478 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 20:05:43,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 20:05:43,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 20:05:43,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 20:05:43,710 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 20:05:43,712 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 20:05:43,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_26-alloc_region_rc.line807.bpl [2022-09-29 20:05:43,713 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/09-regions_26-alloc_region_rc.line807.bpl' [2022-09-29 20:05:43,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 20:05:43,782 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-29 20:05:43,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 20:05:43,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 20:05:43,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 20:05:43,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "09-regions_26-alloc_region_rc.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 08:05:43" (1/1) ... [2022-09-29 20:05:43,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "09-regions_26-alloc_region_rc.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 08:05:43" (1/1) ... [2022-09-29 20:05:43,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "09-regions_26-alloc_region_rc.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 08:05:43" (1/1) ... [2022-09-29 20:05:43,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "09-regions_26-alloc_region_rc.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 08:05:43" (1/1) ... [2022-09-29 20:05:43,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "09-regions_26-alloc_region_rc.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 08:05:43" (1/1) ... [2022-09-29 20:05:43,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "09-regions_26-alloc_region_rc.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 08:05:43" (1/1) ... [2022-09-29 20:05:43,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "09-regions_26-alloc_region_rc.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 08:05:43" (1/1) ... [2022-09-29 20:05:43,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 20:05:43,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 20:05:43,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 20:05:43,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 20:05:43,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "09-regions_26-alloc_region_rc.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 08:05:43" (1/1) ... [2022-09-29 20:05:43,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 20:05:43,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 20:05:43,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-29 20:05:43,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-29 20:05:43,908 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-09-29 20:05:43,908 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-09-29 20:05:43,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 20:05:43,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 20:05:43,909 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 20:05:44,052 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 20:05:44,053 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 20:05:44,471 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 20:05:44,491 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 20:05:44,492 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-09-29 20:05:44,494 INFO L202 PluginConnector]: Adding new model 09-regions_26-alloc_region_rc.line807.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 08:05:44 BoogieIcfgContainer [2022-09-29 20:05:44,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 20:05:44,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-29 20:05:44,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-29 20:05:44,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-29 20:05:44,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_26-alloc_region_rc.line807.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 08:05:43" (1/2) ... [2022-09-29 20:05:44,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1522c4dd and model type 09-regions_26-alloc_region_rc.line807.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 08:05:44, skipping insertion in model container [2022-09-29 20:05:44,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "09-regions_26-alloc_region_rc.line807.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 08:05:44" (2/2) ... [2022-09-29 20:05:44,503 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_26-alloc_region_rc.line807.bpl [2022-09-29 20:05:44,512 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-29 20:05:44,520 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-29 20:05:44,520 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-29 20:05:44,520 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-29 20:05:44,613 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-29 20:05:44,660 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 20:05:44,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 20:05:44,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 20:05:44,663 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-29 20:05:44,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-09-29 20:05:44,693 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 20:05:44,706 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 20:05:44,712 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;@8f3fe38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 20:05:44,712 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 20:05:44,955 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 20:05:44,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 20:05:44,959 INFO L85 PathProgramCache]: Analyzing trace with hash 755720775, now seen corresponding path program 1 times [2022-09-29 20:05:44,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 20:05:44,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324221240] [2022-09-29 20:05:44,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 20:05:44,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 20:05:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 20:05:45,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 20:05:45,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 20:05:45,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324221240] [2022-09-29 20:05:45,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324221240] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 20:05:45,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 20:05:45,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-09-29 20:05:45,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211916773] [2022-09-29 20:05:45,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 20:05:45,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-09-29 20:05:45,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 20:05:45,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-09-29 20:05:45,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-09-29 20:05:45,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 20:05:45,901 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 20:05:45,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 16.823529411764707) internal successors, (286), 18 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 20:05:45,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 20:05:46,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-29 20:05:46,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-29 20:05:46,735 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 20:05:46,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 20:05:46,736 INFO L85 PathProgramCache]: Analyzing trace with hash -823510467, now seen corresponding path program 1 times [2022-09-29 20:05:46,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 20:05:46,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075444334] [2022-09-29 20:05:46,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 20:05:46,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 20:05:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 20:05:49,716 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 20:05:49,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 20:05:49,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075444334] [2022-09-29 20:05:49,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075444334] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 20:05:49,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076421226] [2022-09-29 20:05:49,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 20:05:49,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 20:05:49,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 20:05:49,719 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 20:05:49,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-09-29 20:05:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 20:05:49,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 189 conjunts are in the unsatisfiable core [2022-09-29 20:05:49,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 20:05:50,510 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-09-29 20:05:50,511 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-09-29 20:05:50,836 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-09-29 20:05:50,837 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 [2022-09-29 20:05:51,401 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-09-29 20:05:51,409 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 [2022-09-29 20:05:51,678 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 25 treesize of output 13 [2022-09-29 20:05:52,357 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 14 treesize of output 16 [2022-09-29 20:05:52,615 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 14 treesize of output 16 [2022-09-29 20:05:52,898 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 14 treesize of output 16 [2022-09-29 20:05:53,086 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-09-29 20:05:53,087 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 [2022-09-29 20:05:53,679 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 14 treesize of output 16 [2022-09-29 20:05:53,861 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 14 treesize of output 16 [2022-09-29 20:05:54,326 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-09-29 20:05:54,657 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-09-29 20:05:54,962 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-09-29 20:05:54,966 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 25 treesize of output 24 [2022-09-29 20:05:56,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 20:05:56,521 INFO L356 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-09-29 20:05:56,521 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 60 treesize of output 37 [2022-09-29 20:05:56,524 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 20:05:56,528 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-09-29 20:05:56,528 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 5 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 20 [2022-09-29 20:05:56,985 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 20:05:56,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 20:05:57,184 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 20:05:57,184 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 20 treesize of output 24 [2022-09-29 20:05:58,116 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 84 treesize of output 80 [2022-09-29 20:06:16,378 WARN L233 SmtUtils]: Spent 14.08s on a formula simplification. DAG size of input: 51 DAG size of output: 45 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 20:06:24,810 WARN L233 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 20:06:36,982 WARN L233 SmtUtils]: Spent 6.18s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 20:06:37,076 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 20:06:37,077 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 518 treesize of output 537 [2022-09-29 20:06:41,608 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 20:06:41,632 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 20:06:41,633 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 657 treesize of output 609 [2022-09-29 20:06:44,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 20:06:44,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 20:06:44,155 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 20:06:44,158 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 206 treesize of output 194 [2022-09-29 20:06:50,031 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 68 treesize of output 64 [2022-09-29 20:06:50,036 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 20:06:50,037 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 56 [2022-09-29 20:06:50,044 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 20:06:50,045 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 216 treesize of output 211 [2022-09-29 20:06:50,055 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 196 treesize of output 190 [2022-09-29 20:06:50,061 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 190 treesize of output 178 [2022-09-29 20:06:50,365 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 20:06:50,366 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 97 [2022-09-29 20:06:54,046 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 20:06:54,046 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 113 treesize of output 219 [2022-09-29 20:06:59,041 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 20:06:59,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076421226] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 20:06:59,041 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 20:06:59,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 65, 63] total 196 [2022-09-29 20:06:59,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854678269] [2022-09-29 20:06:59,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 20:06:59,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 197 states [2022-09-29 20:06:59,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 20:06:59,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 197 interpolants. [2022-09-29 20:06:59,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=863, Invalid=37551, Unknown=198, NotChecked=0, Total=38612 [2022-09-29 20:06:59,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 20:06:59,054 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 20:06:59,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 197 states, 196 states have (on average 4.596938775510204) internal successors, (901), 197 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 20:06:59,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-09-29 20:06:59,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 20:07:31,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-29 20:07:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-09-29 20:07:31,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-09-29 20:07:31,654 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,SelfDestructingSolverStorable1 [2022-09-29 20:07:31,654 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 20:07:31,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 20:07:31,655 INFO L85 PathProgramCache]: Analyzing trace with hash -716315769, now seen corresponding path program 2 times [2022-09-29 20:07:31,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 20:07:31,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768928417] [2022-09-29 20:07:31,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 20:07:31,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 20:07:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 20:07:36,269 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 45 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 20:07:36,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 20:07:36,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768928417] [2022-09-29 20:07:36,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768928417] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 20:07:36,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294614682] [2022-09-29 20:07:36,270 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-09-29 20:07:36,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 20:07:36,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 20:07:36,271 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 20:07:36,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-09-29 20:07:36,882 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-09-29 20:07:36,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-29 20:07:36,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 234 conjunts are in the unsatisfiable core [2022-09-29 20:07:36,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 20:07:37,637 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-09-29 20:07:37,638 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-09-29 20:07:38,063 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-09-29 20:07:38,064 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 [2022-09-29 20:07:38,716 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 [2022-09-29 20:07:38,722 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-09-29 20:07:40,167 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-09-29 20:07:40,168 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2022-09-29 20:07:40,174 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 11 treesize of output 7 [2022-09-29 20:07:40,193 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-09-29 20:07:40,193 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 29 [2022-09-29 20:07:40,758 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-09-29 20:07:40,758 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 51 [2022-09-29 20:07:40,770 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 36 treesize of output 27 [2022-09-29 20:07:41,487 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 44 treesize of output 40 [2022-09-29 20:07:41,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 20:07:41,495 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 34 treesize of output 37 [2022-09-29 20:07:41,925 INFO L356 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-09-29 20:07:41,925 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 22 [2022-09-29 20:07:43,492 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 34 treesize of output 32 [2022-09-29 20:07:43,499 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 34 treesize of output 37 [2022-09-29 20:07:43,962 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 34 treesize of output 32 [2022-09-29 20:07:43,968 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 34 treesize of output 37 [2022-09-29 20:07:46,109 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2022-09-29 20:07:46,119 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 32 [2022-09-29 20:07:47,010 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 52 treesize of output 35 [2022-09-29 20:07:47,016 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 52 [2022-09-29 20:07:49,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 20:07:49,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 20:07:49,518 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 20:07:49,519 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 108 treesize of output 56 [2022-09-29 20:07:51,705 INFO L356 Elim1Store]: treesize reduction 12, result has 36.8 percent of original size [2022-09-29 20:07:51,706 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 34 [2022-09-29 20:07:52,373 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 20:07:52,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 20:07:52,635 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 20:07:52,636 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 20 treesize of output 24 [2022-09-29 20:09:00,832 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~p~1#1.offset_18| Int) (|v_ULTIMATE.start_insert_~p#1.offset_7| Int) (v_ArrVal_331 (Array Int Int)) (v_ArrVal_339 Int) (v_ArrVal_332 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~p~1#1.offset_18| 0) (< 0 (+ (let ((.cse2 (+ |v_ULTIMATE.start_insert_~p#1.offset_7| 4))) (let ((.cse0 (let ((.cse4 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base| (store v_ArrVal_331 .cse2 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base| v_ArrVal_331) |c_~#A~0.base|) |c_~#A~0.offset|))))) (store .cse4 |c_~#A~0.base| (store (select .cse4 |c_~#A~0.base|) |c_~#A~0.offset| v_ArrVal_339)))) (.cse3 (+ |v_ULTIMATE.start_main_~p~1#1.offset_18| 4))) (select (select .cse0 (select (select (let ((.cse1 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base| (store v_ArrVal_332 .cse2 (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base| v_ArrVal_332) |c_~#A~0.base|) |c_~#A~0.offset|))))) (store .cse1 |c_~#A~0.base| (store (select .cse1 |c_~#A~0.base|) |c_~#A~0.offset| |c_ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base|))) |c_ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base|) .cse3)) (+ (select (select .cse0 |c_ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base|) .cse3) 4)))) 1)) (< |v_ULTIMATE.start_insert_~p#1.offset_7| v_ArrVal_339) (< 0 |v_ULTIMATE.start_insert_~p#1.offset_7|) (< v_ArrVal_339 |v_ULTIMATE.start_main_~p~1#1.offset_18|))) is different from false [2022-09-29 20:09:05,692 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_326 (Array Int Int)) (v_ArrVal_328 (Array Int Int)) (v_ArrVal_327 (Array Int Int)) (|v_ULTIMATE.start_main_~p~1#1.offset_18| Int) (|v_ULTIMATE.start_insert_~p#1.offset_7| Int) (v_ArrVal_331 (Array Int Int)) (|ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base| Int) (v_ArrVal_339 Int) (v_ArrVal_332 (Array Int Int))) (or (< |v_ULTIMATE.start_main_~p~1#1.offset_18| 0) (< |v_ULTIMATE.start_insert_~p#1.offset_7| v_ArrVal_339) (not (= (select |c_#valid| |ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base|) 0)) (< 0 |v_ULTIMATE.start_insert_~p#1.offset_7|) (< 0 (+ (let ((.cse3 (+ |v_ULTIMATE.start_insert_~p#1.offset_7| 4))) (let ((.cse0 (let ((.cse5 (let ((.cse6 (store (store |c_ULTIMATE.start_write~$Pointer$_old_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_init_~p#1.base| (store (select |c_ULTIMATE.start_write~$Pointer$_old_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_init_~p#1.base|) (+ 4 |c_ULTIMATE.start_init_~p#1.offset|) 0)) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_327))) (store .cse6 |ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base| (store v_ArrVal_331 .cse3 (select (select (store .cse6 |ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base| v_ArrVal_331) |c_~#A~0.base|) |c_~#A~0.offset|)))))) (store .cse5 |c_~#A~0.base| (store (select .cse5 |c_~#A~0.base|) |c_~#A~0.offset| v_ArrVal_339)))) (.cse4 (+ |v_ULTIMATE.start_main_~p~1#1.offset_18| 4))) (select (select .cse0 (select (select (let ((.cse1 (let ((.cse2 (store (store |c_ULTIMATE.start_write~$Pointer$_old_#memory_$Pointer$#1.base| |c_ULTIMATE.start_init_~p#1.base| v_ArrVal_326) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_328))) (store .cse2 |ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base| (store v_ArrVal_332 .cse3 (select (select (store .cse2 |ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base| v_ArrVal_332) |c_~#A~0.base|) |c_~#A~0.offset|)))))) (store .cse1 |c_~#A~0.base| (store (select .cse1 |c_~#A~0.base|) |c_~#A~0.offset| |ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base|))) |ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base|) .cse4)) (+ (select (select .cse0 |ULTIMATE.start_#Ultimate.allocOnHeap_#res#1.base|) .cse4) 4)))) 1)) (< v_ArrVal_339 |v_ULTIMATE.start_main_~p~1#1.offset_18|))) is different from false [2022-09-29 20:09:09,454 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 20:09:09,455 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 249 treesize of output 218 [2022-09-29 20:09:15,715 INFO L356 Elim1Store]: treesize reduction 15, result has 64.3 percent of original size [2022-09-29 20:09:15,716 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 710 treesize of output 620 [2022-09-29 20:09:15,794 INFO L356 Elim1Store]: treesize reduction 15, result has 64.3 percent of original size [2022-09-29 20:09:15,795 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 591 treesize of output 485 [2022-09-29 20:09:16,798 INFO L356 Elim1Store]: treesize reduction 76, result has 83.4 percent of original size [2022-09-29 20:09:16,805 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40911206 treesize of output 39673372 [2022-09-29 20:09:29,852 WARN L233 SmtUtils]: Spent 13.04s on a formula simplification that was a NOOP. DAG size: 6317 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-09-29 20:09:31,357 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 20:09:31,376 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 13055090032 treesize of output 12876336340 Received shutdown request... [2022-09-29 20:20:09,225 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 20:20:09,225 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 20:20:09,225 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 20:20:09,256 WARN L249 SmtUtils]: Removed 1 from assertion stack [2022-09-29 20:20:09,259 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 20:20:09,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-09-29 20:20:09,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 20:20:09,472 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 349 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-22-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-09-29 20:20:09,475 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1] [2022-09-29 20:20:09,476 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-09-29 20:20:09,478 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-29 20:20:09,478 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-29 20:20:09,482 INFO L202 PluginConnector]: Adding new model 09-regions_26-alloc_region_rc.line807.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 08:20:09 BasicIcfg [2022-09-29 20:20:09,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-29 20:20:09,483 INFO L158 Benchmark]: Toolchain (without parser) took 865700.80ms. Allocated memory was 197.1MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 154.0MB in the beginning and 1.0GB in the end (delta: -891.3MB). Peak memory consumption was 866.4MB. Max. memory is 8.0GB. [2022-09-29 20:20:09,483 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 197.1MB. Free memory is still 157.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 20:20:09,483 INFO L158 Benchmark]: Boogie Preprocessor took 63.22ms. Allocated memory is still 197.1MB. Free memory was 154.0MB in the beginning and 150.6MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-29 20:20:09,484 INFO L158 Benchmark]: RCFGBuilder took 636.41ms. Allocated memory is still 197.1MB. Free memory was 150.5MB in the beginning and 156.2MB in the end (delta: -5.6MB). Peak memory consumption was 20.0MB. Max. memory is 8.0GB. [2022-09-29 20:20:09,484 INFO L158 Benchmark]: TraceAbstraction took 864985.38ms. Allocated memory was 197.1MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 155.3MB in the beginning and 1.0GB in the end (delta: -890.0MB). Peak memory consumption was 866.3MB. Max. memory is 8.0GB. [2022-09-29 20:20:09,485 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13ms. Allocated memory is still 197.1MB. Free memory is still 157.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 63.22ms. Allocated memory is still 197.1MB. Free memory was 154.0MB in the beginning and 150.6MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 636.41ms. Allocated memory is still 197.1MB. Free memory was 150.5MB in the beginning and 156.2MB in the end (delta: -5.6MB). Peak memory consumption was 20.0MB. Max. memory is 8.0GB. * TraceAbstraction took 864985.38ms. Allocated memory was 197.1MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 155.3MB in the beginning and 1.0GB in the end (delta: -890.0MB). Peak memory consumption was 866.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 121, positive: 119, positive conditional: 119, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 458, positive: 451, positive conditional: 451, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 451, positive: 451, positive conditional: 0, positive unconditional: 451, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 259, positive: 259, positive conditional: 0, positive unconditional: 259, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 451, positive: 192, positive conditional: 0, positive unconditional: 192, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 259, unknown conditional: 0, unknown unconditional: 259] , Statistics on independence cache: Total cache size (in pairs): 119, Positive cache size: 119, Positive conditional cache size: 0, Positive unconditional cache size: 119, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 152, positive: 150, positive conditional: 150, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 458, positive: 451, positive conditional: 451, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 451, positive: 451, positive conditional: 0, positive unconditional: 451, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 259, positive: 259, positive conditional: 0, positive unconditional: 259, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 451, positive: 192, positive conditional: 0, positive unconditional: 192, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 259, unknown conditional: 0, unknown unconditional: 259] , Statistics on independence cache: Total cache size (in pairs): 194, Positive cache size: 194, Positive conditional cache size: 0, Positive unconditional cache size: 194, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 4, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 185, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 458, positive: 451, positive conditional: 451, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 451, positive: 451, positive conditional: 0, positive unconditional: 451, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 259, positive: 259, positive conditional: 0, positive unconditional: 259, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 451, positive: 192, positive conditional: 0, positive unconditional: 192, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 259, unknown conditional: 0, unknown unconditional: 259] , Statistics on independence cache: Total cache size (in pairs): 259, Positive cache size: 259, Positive conditional cache size: 0, Positive unconditional cache size: 259, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 7, Statistics for Abstraction: - TimeoutResultAtElement [Line: 807]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 349 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-22-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 549 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 864.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 33.5s, 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: 126, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 72.5s InterpolantComputationTime, 920 NumberOfCodeBlocks, 920 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 1233 ConstructedInterpolants, 211 QuantifiedInterpolants, 25678 SizeOfPredicates, 133 NumberOfNonLiveVariables, 858 ConjunctsInSsa, 189 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/42 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