/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_1w1r.line1212.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-29 22:27:16,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 22:27:16,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 22:27:16,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 22:27:16,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 22:27:16,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 22:27:16,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 22:27:16,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 22:27:16,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 22:27:16,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 22:27:16,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 22:27:16,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 22:27:16,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 22:27:16,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 22:27:16,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 22:27:16,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 22:27:16,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 22:27:16,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 22:27:16,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 22:27:16,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 22:27:16,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 22:27:16,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 22:27:16,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 22:27:16,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 22:27:16,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-29 22:27:16,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 22:27:16,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 22:27:16,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 22:27:16,776 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-29 22:27:16,802 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 22:27:16,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 22:27:16,803 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 22:27:16,803 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 22:27:16,804 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-29 22:27:16,804 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-29 22:27:16,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 22:27:16,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 22:27:16,804 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 22:27:16,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 22:27:16,805 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 22:27:16,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 22:27:16,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 22:27:16,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 22:27:16,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-29 22:27:16,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-29 22:27:16,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-29 22:27:16,806 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 22:27:16,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 22:27:16,806 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 22:27:16,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-29 22:27:16,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 22:27:16,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 22:27:16,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-29 22:27:16,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-29 22:27:16,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 22:27:16,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 22:27:16,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-29 22:27:16,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-29 22:27:16,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 22:27:16,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-29 22:27:16,808 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-29 22:27:16,808 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-29 22:27:16,808 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-29 22:27:16,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-29 22:27:16,808 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-29 22:27:16,808 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-29 22:27:16,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-29 22:27:16,809 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 22:27:16,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 22:27:17,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 22:27:17,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 22:27:17,017 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 22:27:17,019 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 22:27:17,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line1212.bpl [2022-09-29 22:27:17,020 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line1212.bpl' [2022-09-29 22:27:17,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 22:27:17,125 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-29 22:27:17,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 22:27:17,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 22:27:17,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 22:27:17,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:27:17" (1/1) ... [2022-09-29 22:27:17,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:27:17" (1/1) ... [2022-09-29 22:27:17,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:27:17" (1/1) ... [2022-09-29 22:27:17,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:27:17" (1/1) ... [2022-09-29 22:27:17,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:27:17" (1/1) ... [2022-09-29 22:27:17,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:27:17" (1/1) ... [2022-09-29 22:27:17,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:27:17" (1/1) ... [2022-09-29 22:27:17,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 22:27:17,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 22:27:17,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 22:27:17,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 22:27:17,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:27:17" (1/1) ... [2022-09-29 22:27:17,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 22:27:17,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:27:17,319 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 22:27:17,332 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 22:27:17,357 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-09-29 22:27:17,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-09-29 22:27:17,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 22:27:17,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 22:27:17,360 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 22:27:17,539 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 22:27:17,540 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 22:27:18,304 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 22:27:18,328 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 22:27:18,329 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-09-29 22:27:18,331 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:27:18 BoogieIcfgContainer [2022-09-29 22:27:18,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 22:27:18,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-29 22:27:18,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-29 22:27:18,340 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-29 22:27:18,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:27:17" (1/2) ... [2022-09-29 22:27:18,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e87fa05 and model type divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 10:27:18, skipping insertion in model container [2022-09-29 22:27:18,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:27:18" (2/2) ... [2022-09-29 22:27:18,347 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line1212.bpl [2022-09-29 22:27:18,353 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-29 22:27:18,360 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-29 22:27:18,360 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-29 22:27:18,360 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-29 22:27:18,477 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-29 22:27:18,540 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 22:27:18,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 22:27:18,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:27:18,554 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 22:27:18,555 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 22:27:18,587 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 22:27:18,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 22:27:18,606 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;@54077e94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 22:27:18,607 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 22:27:18,927 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:27:18,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:27:18,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1383704934, now seen corresponding path program 1 times [2022-09-29 22:27:18,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:27:18,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697233184] [2022-09-29 22:27:18,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:27:18,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:27:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:27:19,315 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 22:27:19,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:27:19,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697233184] [2022-09-29 22:27:19,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697233184] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:27:19,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 22:27:19,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-29 22:27:19,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164911339] [2022-09-29 22:27:19,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:27:19,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-29 22:27:19,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:27:19,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-29 22:27:19,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-29 22:27:19,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:27:19,348 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:27:19,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 216.5) internal successors, (433), 2 states have internal predecessors, (433), 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 22:27:19,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:27:19,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:27:19,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-29 22:27:19,551 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:27:19,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:27:19,553 INFO L85 PathProgramCache]: Analyzing trace with hash -785789506, now seen corresponding path program 1 times [2022-09-29 22:27:19,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:27:19,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804557703] [2022-09-29 22:27:19,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:27:19,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:27:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:27:23,235 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 22:27:23,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:27:23,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804557703] [2022-09-29 22:27:23,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804557703] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:27:23,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 22:27:23,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [70] imperfect sequences [] total 70 [2022-09-29 22:27:23,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654204738] [2022-09-29 22:27:23,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:27:23,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-09-29 22:27:23,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:27:23,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-09-29 22:27:23,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=4618, Unknown=0, NotChecked=0, Total=4830 [2022-09-29 22:27:23,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:27:23,243 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:27:23,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 7.142857142857143) internal successors, (500), 70 states have internal predecessors, (500), 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 22:27:23,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:27:23,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:27:40,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:27:40,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-09-29 22:27:40,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-29 22:27:40,653 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:27:40,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:27:40,654 INFO L85 PathProgramCache]: Analyzing trace with hash 514207863, now seen corresponding path program 1 times [2022-09-29 22:27:40,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:27:40,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894213782] [2022-09-29 22:27:40,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:27:40,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:27:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:27:43,704 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 22:27:43,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:27:43,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894213782] [2022-09-29 22:27:43,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894213782] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:27:43,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 22:27:43,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [71] imperfect sequences [] total 71 [2022-09-29 22:27:43,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299608565] [2022-09-29 22:27:43,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:27:43,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-09-29 22:27:43,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:27:43,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-09-29 22:27:43,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=4876, Unknown=0, NotChecked=0, Total=5112 [2022-09-29 22:27:43,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:27:43,709 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:27:43,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 71 states have (on average 6.23943661971831) internal successors, (443), 72 states have internal predecessors, (443), 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 22:27:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:27:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-09-29 22:27:43,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:28:09,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:28:09,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-09-29 22:28:09,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-09-29 22:28:09,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-29 22:28:09,227 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:28:09,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:28:09,228 INFO L85 PathProgramCache]: Analyzing trace with hash 150619957, now seen corresponding path program 1 times [2022-09-29 22:28:09,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:28:09,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046143628] [2022-09-29 22:28:09,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:28:09,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:28:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:28:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 25545 backedges. 1779 proven. 0 refuted. 0 times theorem prover too weak. 23766 trivial. 0 not checked. [2022-09-29 22:28:18,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:28:18,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046143628] [2022-09-29 22:28:18,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046143628] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:28:18,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 22:28:18,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [75] imperfect sequences [] total 75 [2022-09-29 22:28:18,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975233507] [2022-09-29 22:28:18,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:28:18,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-09-29 22:28:18,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:28:18,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-09-29 22:28:18,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=5315, Unknown=0, NotChecked=0, Total=5550 [2022-09-29 22:28:18,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:28:18,219 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:28:18,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 17.30666666666667) internal successors, (1298), 75 states have internal predecessors, (1298), 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 22:28:18,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:28:18,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2022-09-29 22:28:18,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-09-29 22:28:18,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:28:37,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:28:37,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2022-09-29 22:28:37,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-09-29 22:28:37,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2022-09-29 22:28:37,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-29 22:28:37,995 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:28:37,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:28:37,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1270296166, now seen corresponding path program 1 times [2022-09-29 22:28:37,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:28:37,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118784071] [2022-09-29 22:28:37,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:28:37,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:28:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:28:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 11895 backedges. 1520 proven. 0 refuted. 0 times theorem prover too weak. 10375 trivial. 0 not checked. [2022-09-29 22:28:44,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:28:44,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118784071] [2022-09-29 22:28:44,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118784071] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:28:44,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 22:28:44,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [81] imperfect sequences [] total 81 [2022-09-29 22:28:44,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074488004] [2022-09-29 22:28:44,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:28:44,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2022-09-29 22:28:44,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:28:44,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2022-09-29 22:28:44,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=6202, Unknown=0, NotChecked=0, Total=6480 [2022-09-29 22:28:44,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:28:44,618 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:28:44,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 16.37037037037037) internal successors, (1326), 81 states have internal predecessors, (1326), 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 22:28:44,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:28:44,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2022-09-29 22:28:44,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-09-29 22:28:44,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2022-09-29 22:28:44,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:29:12,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:29:12,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-09-29 22:29:12,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-09-29 22:29:12,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-09-29 22:29:12,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-09-29 22:29:12,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-29 22:29:12,181 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:29:12,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:29:12,181 INFO L85 PathProgramCache]: Analyzing trace with hash 166687290, now seen corresponding path program 1 times [2022-09-29 22:29:12,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:29:12,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750095987] [2022-09-29 22:29:12,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:29:12,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:29:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:29:15,523 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 24 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 22:29:15,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:29:15,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750095987] [2022-09-29 22:29:15,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750095987] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 22:29:15,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343031852] [2022-09-29 22:29:15,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:29:15,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 22:29:15,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:29:15,525 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 22:29:15,528 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 22:29:15,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:29:15,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 2130 conjuncts, 386 conjunts are in the unsatisfiable core [2022-09-29 22:29:15,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 22:29:16,418 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 6 treesize of output 5 [2022-09-29 22:29:17,114 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 22:29:17,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:29:17,539 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 21 treesize of output 20 [2022-09-29 22:29:17,552 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 [2022-09-29 22:29:18,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:29:18,181 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 21 treesize of output 21 [2022-09-29 22:29:18,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:29:18,193 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 22:29:18,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:29:18,566 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 0 case distinctions, treesize of input 26 treesize of output 28 [2022-09-29 22:29:18,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:29:18,573 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 [2022-09-29 22:29:20,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:29:20,863 INFO L356 Elim1Store]: treesize reduction 8, result has 61.9 percent of original size [2022-09-29 22:29:20,864 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 22:29:21,296 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-09-29 22:29:21,296 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 61 treesize of output 55 [2022-09-29 22:29:21,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:29:21,329 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 25 treesize of output 30 [2022-09-29 22:29:27,819 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 22:29:27,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:29:27,828 INFO L356 Elim1Store]: treesize reduction 60, result has 15.5 percent of original size [2022-09-29 22:29:27,829 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 92 treesize of output 59 [2022-09-29 22:29:27,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:29:27,859 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 48 treesize of output 42 [2022-09-29 22:29:34,862 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 24 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 22:29:34,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 22:29:35,547 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 28 treesize of output 24 [2022-09-29 22:29:35,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:29:35,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:29:53,737 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 22:29:53,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343031852] provided 1 perfect and 1 imperfect interpolant sequences [2022-09-29 22:29:53,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-09-29 22:29:53,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [61] imperfect sequences [89, 82] total 228 [2022-09-29 22:29:53,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750450278] [2022-09-29 22:29:53,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:29:53,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-09-29 22:29:53,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:29:53,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-09-29 22:29:53,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2216, Invalid=49457, Unknown=83, NotChecked=0, Total=51756 [2022-09-29 22:29:53,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:29:53,770 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:29:53,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 14.40983606557377) internal successors, (879), 61 states have internal predecessors, (879), 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 22:29:53,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:29:53,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-09-29 22:29:53,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2022-09-29 22:29:53,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-09-29 22:29:53,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-09-29 22:29:53,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:30:09,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:30:09,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-09-29 22:30:09,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2022-09-29 22:30:09,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-09-29 22:30:09,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-09-29 22:30:09,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-09-29 22:30:09,686 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 22:30:09,883 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,SelfDestructingSolverStorable5 [2022-09-29 22:30:09,883 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:30:09,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:30:09,884 INFO L85 PathProgramCache]: Analyzing trace with hash 130592522, now seen corresponding path program 1 times [2022-09-29 22:30:09,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:30:09,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467884684] [2022-09-29 22:30:09,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:30:09,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:30:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:30:12,726 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 24 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 22:30:12,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:30:12,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467884684] [2022-09-29 22:30:12,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467884684] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 22:30:12,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22736981] [2022-09-29 22:30:12,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:30:12,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 22:30:12,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:30:12,739 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 22:30:12,739 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 22:30:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:30:13,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 2280 conjuncts, 275 conjunts are in the unsatisfiable core [2022-09-29 22:30:13,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 22:30:14,351 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 22:30:14,356 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 6 treesize of output 5 [2022-09-29 22:30:15,426 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-09-29 22:30:15,426 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 22:30:15,874 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 25 [2022-09-29 22:30:15,881 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 6 treesize of output 5 [2022-09-29 22:30:20,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 22:30:20,919 INFO L356 Elim1Store]: treesize reduction 49, result has 12.5 percent of original size [2022-09-29 22:30:20,919 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 68 treesize of output 42 [2022-09-29 22:30:20,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:30:20,925 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-09-29 22:30:29,725 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 22:30:29,753 INFO L356 Elim1Store]: treesize reduction 72, result has 48.9 percent of original size [2022-09-29 22:30:29,753 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 104 treesize of output 134 [2022-09-29 22:30:29,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:30:29,816 INFO L356 Elim1Store]: treesize reduction 20, result has 72.6 percent of original size [2022-09-29 22:30:29,816 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 7 new quantified variables, introduced 7 case distinctions, treesize of input 108 treesize of output 126 [2022-09-29 22:30:30,323 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 27 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 22:30:30,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 22:38:05,532 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 22:38:05,533 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 1034 treesize of output 690 [2022-09-29 22:38:06,132 INFO L356 Elim1Store]: treesize reduction 1579, result has 5.7 percent of original size [2022-09-29 22:38:06,138 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 28 case distinctions, treesize of input 6021154 treesize of output 5438704 [2022-09-29 22:38:14,045 INFO L356 Elim1Store]: treesize reduction 1024, result has 24.7 percent of original size [2022-09-29 22:38:14,056 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 23 new quantified variables, introduced 105 case distinctions, treesize of input 37344011 treesize of output 31102817 Received shutdown request... [2022-09-29 22:41:40,496 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 22:41:40,496 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 22:41:40,496 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 22:41:40,500 WARN L249 SmtUtils]: Removed 1 from assertion stack [2022-09-29 22:41:40,503 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 22:41:40,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-09-29 22:41:40,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 22:41:40,731 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 942 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-57-2-2-2-2-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2022-09-29 22:41:40,734 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-09-29 22:41:40,736 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-09-29 22:41:40,739 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-29 22:41:40,740 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-29 22:41:40,743 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1212.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 10:41:40 BasicIcfg [2022-09-29 22:41:40,743 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-29 22:41:40,743 INFO L158 Benchmark]: Toolchain (without parser) took 863618.18ms. Allocated memory was 173.0MB in the beginning and 5.0GB in the end (delta: 4.8GB). Free memory was 120.6MB in the beginning and 2.3GB in the end (delta: -2.1GB). Peak memory consumption was 4.5GB. Max. memory is 8.0GB. [2022-09-29 22:41:40,743 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 173.0MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 22:41:40,744 INFO L158 Benchmark]: Boogie Preprocessor took 140.59ms. Allocated memory is still 173.0MB. Free memory was 120.6MB in the beginning and 140.6MB in the end (delta: -20.0MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB. [2022-09-29 22:41:40,744 INFO L158 Benchmark]: RCFGBuilder took 1063.75ms. Allocated memory was 173.0MB in the beginning and 319.8MB in the end (delta: 146.8MB). Free memory was 140.6MB in the beginning and 260.9MB in the end (delta: -120.3MB). Peak memory consumption was 56.3MB. Max. memory is 8.0GB. [2022-09-29 22:41:40,744 INFO L158 Benchmark]: TraceAbstraction took 862406.52ms. Allocated memory was 319.8MB in the beginning and 5.0GB in the end (delta: 4.7GB). Free memory was 260.4MB in the beginning and 2.3GB in the end (delta: -2.0GB). Peak memory consumption was 4.5GB. Max. memory is 8.0GB. [2022-09-29 22:41:40,745 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 0.15ms. Allocated memory is still 173.0MB. Free memory is still 126.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 140.59ms. Allocated memory is still 173.0MB. Free memory was 120.6MB in the beginning and 140.6MB in the end (delta: -20.0MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB. * RCFGBuilder took 1063.75ms. Allocated memory was 173.0MB in the beginning and 319.8MB in the end (delta: 146.8MB). Free memory was 140.6MB in the beginning and 260.9MB in the end (delta: -120.3MB). Peak memory consumption was 56.3MB. Max. memory is 8.0GB. * TraceAbstraction took 862406.52ms. Allocated memory was 319.8MB in the beginning and 5.0GB in the end (delta: 4.7GB). Free memory was 260.4MB in the beginning and 2.3GB in the end (delta: -2.0GB). Peak memory consumption was 4.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 219, positive: 210, positive conditional: 210, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 84187, positive: 81563, positive conditional: 81563, positive unconditional: 0, negative: 2624, negative conditional: 2624, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81756, positive: 81563, positive conditional: 0, positive unconditional: 81563, negative: 193, negative conditional: 0, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 49194, positive: 49051, positive conditional: 0, positive unconditional: 49051, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81756, positive: 32512, positive conditional: 0, positive unconditional: 32512, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 49194, unknown conditional: 0, unknown unconditional: 49194] , Statistics on independence cache: Total cache size (in pairs): 210, Positive cache size: 210, Positive conditional cache size: 0, Positive unconditional cache size: 210, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 9, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 849, positive: 822, positive conditional: 822, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 84187, positive: 81563, positive conditional: 81563, positive unconditional: 0, negative: 2624, negative conditional: 2624, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81756, positive: 81563, positive conditional: 0, positive unconditional: 81563, negative: 193, negative conditional: 0, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 49194, positive: 49051, positive conditional: 0, positive unconditional: 49051, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81756, positive: 32512, positive conditional: 0, positive unconditional: 32512, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 49194, unknown conditional: 0, unknown unconditional: 49194] , Statistics on independence cache: Total cache size (in pairs): 824, Positive cache size: 824, Positive conditional cache size: 0, Positive unconditional cache size: 824, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 36, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1100, positive: 1061, positive conditional: 1061, positive unconditional: 0, negative: 39, negative conditional: 39, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 84187, positive: 81563, positive conditional: 81563, positive unconditional: 0, negative: 2624, negative conditional: 2624, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81756, positive: 81563, positive conditional: 0, positive unconditional: 81563, negative: 193, negative conditional: 0, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 49194, positive: 49051, positive conditional: 0, positive unconditional: 49051, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81756, positive: 32512, positive conditional: 0, positive unconditional: 32512, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 49194, unknown conditional: 0, unknown unconditional: 49194] , Statistics on independence cache: Total cache size (in pairs): 1046, Positive cache size: 1046, Positive conditional cache size: 0, Positive unconditional cache size: 1046, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 75, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 51884, positive: 50305, positive conditional: 50305, positive unconditional: 0, negative: 1579, negative conditional: 1579, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 84187, positive: 81563, positive conditional: 81563, positive unconditional: 0, negative: 2624, negative conditional: 2624, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81756, positive: 81563, positive conditional: 0, positive unconditional: 81563, negative: 193, negative conditional: 0, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 49194, positive: 49051, positive conditional: 0, positive unconditional: 49051, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81756, positive: 32512, positive conditional: 0, positive unconditional: 32512, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 49194, unknown conditional: 0, unknown unconditional: 49194] , Statistics on independence cache: Total cache size (in pairs): 45302, Positive cache size: 45183, Positive conditional cache size: 0, Positive unconditional cache size: 45183, Negative cache size: 119, Negative conditional cache size: 0, Negative unconditional cache size: 119, Independence queries for same thread: 1534, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 16296, positive: 15801, positive conditional: 15801, positive unconditional: 0, negative: 495, negative conditional: 495, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 84187, positive: 81563, positive conditional: 81563, positive unconditional: 0, negative: 2624, negative conditional: 2624, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81756, positive: 81563, positive conditional: 0, positive unconditional: 81563, negative: 193, negative conditional: 0, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 49194, positive: 49051, positive conditional: 0, positive unconditional: 49051, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81756, positive: 32512, positive conditional: 0, positive unconditional: 32512, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 49194, unknown conditional: 0, unknown unconditional: 49194] , Statistics on independence cache: Total cache size (in pairs): 46168, Positive cache size: 46045, Positive conditional cache size: 0, Positive unconditional cache size: 46045, Negative cache size: 123, Negative conditional cache size: 0, Negative unconditional cache size: 123, Independence queries for same thread: 1995, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3602, positive: 3482, positive conditional: 3482, positive unconditional: 0, negative: 120, negative conditional: 120, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 84187, positive: 81563, positive conditional: 81563, positive unconditional: 0, negative: 2624, negative conditional: 2624, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81756, positive: 81563, positive conditional: 0, positive unconditional: 81563, negative: 193, negative conditional: 0, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 49194, positive: 49051, positive conditional: 0, positive unconditional: 49051, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81756, positive: 32512, positive conditional: 0, positive unconditional: 32512, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 49194, unknown conditional: 0, unknown unconditional: 49194] , Statistics on independence cache: Total cache size (in pairs): 46224, Positive cache size: 46101, Positive conditional cache size: 0, Positive unconditional cache size: 46101, Negative cache size: 123, Negative conditional cache size: 0, Negative unconditional cache size: 123, Independence queries for same thread: 2115, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 10237, positive: 9882, positive conditional: 9882, positive unconditional: 0, negative: 355, negative conditional: 355, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 84187, positive: 81563, positive conditional: 81563, positive unconditional: 0, negative: 2624, negative conditional: 2624, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81756, positive: 81563, positive conditional: 0, positive unconditional: 81563, negative: 193, negative conditional: 0, negative unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 49194, positive: 49051, positive conditional: 0, positive unconditional: 49051, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81756, positive: 32512, positive conditional: 0, positive unconditional: 32512, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 49194, unknown conditional: 0, unknown unconditional: 49194] , Statistics on independence cache: Total cache size (in pairs): 49194, Positive cache size: 49051, Positive conditional cache size: 0, Positive unconditional cache size: 49051, Negative cache size: 143, Negative conditional cache size: 0, Negative unconditional cache size: 143, Independence queries for same thread: 2431, Statistics for Abstraction: - TimeoutResultAtElement [Line: 1212]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 942 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-57-2-2-2-2-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 3 procedures, 1438 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 862.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 106.7s, 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: 543, 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: 0.3s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 59.9s InterpolantComputationTime, 11846 NumberOfCodeBlocks, 11846 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 12717 ConstructedInterpolants, 94 QuantifiedInterpolants, 299807 SizeOfPredicates, 189 NumberOfNonLiveVariables, 2130 ConjunctsInSsa, 386 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 37694/38058 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