/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.line1498.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-29 22:43:43,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 22:43:43,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 22:43:43,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 22:43:43,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 22:43:43,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 22:43:43,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 22:43:43,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 22:43:43,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 22:43:43,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 22:43:43,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 22:43:43,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 22:43:43,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 22:43:43,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 22:43:43,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 22:43:43,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 22:43:43,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 22:43:43,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 22:43:43,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 22:43:43,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 22:43:43,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 22:43:43,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 22:43:43,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 22:43:43,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 22:43:43,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-29 22:43:43,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-29 22:43:43,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-29 22:43:43,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-29 22:43:43,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-29 22:43:43,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-29 22:43:43,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-29 22:43:43,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-29 22:43:43,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-29 22:43:43,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-29 22:43:43,476 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-29 22:43:43,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-29 22:43:43,477 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-29 22:43:43,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-29 22:43:43,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 22:43:43,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 22:43:43,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 22:43:43,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-29 22:43:43,503 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 22:43:43,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 22:43:43,504 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 22:43:43,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 22:43:43,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-29 22:43:43,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-29 22:43:43,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 22:43:43,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 22:43:43,506 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 22:43:43,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 22:43:43,506 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 22:43:43,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 22:43:43,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 22:43:43,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 22:43:43,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-29 22:43:43,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-29 22:43:43,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-29 22:43:43,507 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 22:43:43,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 22:43:43,508 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 22:43:43,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-29 22:43:43,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 22:43:43,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 22:43:43,508 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-29 22:43:43,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-29 22:43:43,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 22:43:43,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 22:43:43,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-29 22:43:43,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-29 22:43:43,509 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 22:43:43,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-29 22:43:43,510 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-29 22:43:43,510 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-29 22:43:43,510 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-29 22:43:43,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-29 22:43:43,510 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-29 22:43:43,510 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-29 22:43:43,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-29 22:43:43,511 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 22:43:43,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 22:43:43,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 22:43:43,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 22:43:43,719 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 22:43:43,719 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 22:43:43,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line1498.bpl [2022-09-29 22:43:43,720 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line1498.bpl' [2022-09-29 22:43:43,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 22:43:43,805 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-29 22:43:43,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 22:43:43,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 22:43:43,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 22:43:43,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line1498.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:43" (1/1) ... [2022-09-29 22:43:43,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line1498.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:43" (1/1) ... [2022-09-29 22:43:43,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1498.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:43" (1/1) ... [2022-09-29 22:43:43,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1498.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:43" (1/1) ... [2022-09-29 22:43:43,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line1498.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:43" (1/1) ... [2022-09-29 22:43:43,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line1498.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:43" (1/1) ... [2022-09-29 22:43:43,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line1498.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:43" (1/1) ... [2022-09-29 22:43:43,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 22:43:43,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 22:43:43,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 22:43:43,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 22:43:43,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line1498.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:43" (1/1) ... [2022-09-29 22:43:43,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 22:43:43,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:43:44,008 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 22:43:44,019 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 22:43:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-09-29 22:43:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-09-29 22:43:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 22:43:44,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 22:43:44,048 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 22:43:44,182 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 22:43:44,183 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 22:43:45,046 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 22:43:45,060 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 22:43:45,061 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-09-29 22:43:45,063 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1498.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:43:45 BoogieIcfgContainer [2022-09-29 22:43:45,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 22:43:45,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-29 22:43:45,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-29 22:43:45,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-29 22:43:45,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1498.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 10:43:43" (1/2) ... [2022-09-29 22:43:45,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d21108 and model type divinefifo_1w1r.line1498.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 10:43:45, skipping insertion in model container [2022-09-29 22:43:45,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1498.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 10:43:45" (2/2) ... [2022-09-29 22:43:45,069 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line1498.bpl [2022-09-29 22:43:45,073 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-29 22:43:45,079 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-29 22:43:45,079 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-29 22:43:45,079 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-29 22:43:45,205 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-29 22:43:45,262 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 22:43:45,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 22:43:45,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:43:45,267 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 22:43:45,273 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 22:43:45,295 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 22:43:45,300 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 22:43:45,304 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;@2b282aad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 22:43:45,304 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 22:43:45,692 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:43:45,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:43:45,697 INFO L85 PathProgramCache]: Analyzing trace with hash 903602113, now seen corresponding path program 1 times [2022-09-29 22:43:45,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:43:45,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651739389] [2022-09-29 22:43:45,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:43:45,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:43:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:43:46,237 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 22:43:46,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:43:46,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651739389] [2022-09-29 22:43:46,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651739389] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:43:46,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 22:43:46,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-29 22:43:46,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586016868] [2022-09-29 22:43:46,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:43:46,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-29 22:43:46,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:43:46,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-29 22:43:46,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-29 22:43:46,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:43:46,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:43:46,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 329.0) internal successors, (658), 2 states have internal predecessors, (658), 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 22:43:46,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:43:46,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:43:46,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-29 22:43:46,526 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:43:46,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:43:46,530 INFO L85 PathProgramCache]: Analyzing trace with hash 126987364, now seen corresponding path program 1 times [2022-09-29 22:43:46,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:43:46,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374969853] [2022-09-29 22:43:46,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:43:46,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:43:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:43:50,528 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 22:43:50,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:43:50,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374969853] [2022-09-29 22:43:50,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374969853] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:43:50,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 22:43:50,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [68] imperfect sequences [] total 68 [2022-09-29 22:43:50,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220021697] [2022-09-29 22:43:50,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:43:50,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-09-29 22:43:50,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:43:50,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-09-29 22:43:50,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=4340, Unknown=0, NotChecked=0, Total=4556 [2022-09-29 22:43:50,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:43:50,536 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:43:50,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 10.632352941176471) internal successors, (723), 68 states have internal predecessors, (723), 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 22:43:50,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:43:50,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:44:09,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:44:09,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-09-29 22:44:09,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-29 22:44:09,684 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:44:09,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:44:09,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1812462532, now seen corresponding path program 1 times [2022-09-29 22:44:09,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:44:09,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027804630] [2022-09-29 22:44:09,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:44:09,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:44:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:44:11,888 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 22:44:11,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:44:11,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027804630] [2022-09-29 22:44:11,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027804630] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:44:11,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 22:44:11,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [62] imperfect sequences [] total 62 [2022-09-29 22:44:11,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394547314] [2022-09-29 22:44:11,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:44:11,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-09-29 22:44:11,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:44:11,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-09-29 22:44:11,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=3592, Unknown=0, NotChecked=0, Total=3782 [2022-09-29 22:44:11,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:44:11,893 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:44:11,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 12.35483870967742) internal successors, (766), 62 states have internal predecessors, (766), 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 22:44:11,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:44:11,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2022-09-29 22:44:11,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:44:24,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:44:24,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-09-29 22:44:24,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-09-29 22:44:24,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-29 22:44:24,305 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:44:24,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:44:24,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1123447789, now seen corresponding path program 1 times [2022-09-29 22:44:24,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:44:24,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318790008] [2022-09-29 22:44:24,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:44:24,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:44:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:44:27,297 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 22:44:27,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:44:27,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318790008] [2022-09-29 22:44:27,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318790008] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:44:27,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 22:44:27,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [77] imperfect sequences [] total 77 [2022-09-29 22:44:27,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283855425] [2022-09-29 22:44:27,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:44:27,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2022-09-29 22:44:27,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:44:27,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2022-09-29 22:44:27,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=5600, Unknown=0, NotChecked=0, Total=5852 [2022-09-29 22:44:27,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:44:27,301 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:44:27,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 8.64935064935065) internal successors, (666), 77 states have internal predecessors, (666), 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 22:44:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:44:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-09-29 22:44:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-09-29 22:44:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:44:44,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:44:44,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-09-29 22:44:44,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-09-29 22:44:44,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2022-09-29 22:44:44,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-29 22:44:44,677 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:44:44,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:44:44,678 INFO L85 PathProgramCache]: Analyzing trace with hash 738064495, now seen corresponding path program 1 times [2022-09-29 22:44:44,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:44:44,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520428177] [2022-09-29 22:44:44,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:44:44,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:44:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:44:46,442 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 22:44:46,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:44:46,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520428177] [2022-09-29 22:44:46,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520428177] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:44:46,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 22:44:46,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [66] imperfect sequences [] total 66 [2022-09-29 22:44:46,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338968482] [2022-09-29 22:44:46,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:44:46,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-09-29 22:44:46,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:44:46,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-09-29 22:44:46,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=4205, Unknown=0, NotChecked=0, Total=4422 [2022-09-29 22:44:46,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:44:46,462 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:44:46,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 66 states have (on average 8.93939393939394) internal successors, (590), 67 states have internal predecessors, (590), 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 22:44:46,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:44:46,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-09-29 22:44:46,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-09-29 22:44:46,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2022-09-29 22:44:46,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:45:01,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:45:01,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-09-29 22:45:01,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-09-29 22:45:01,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2022-09-29 22:45:01,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-09-29 22:45:01,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-29 22:45:01,626 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:45:01,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:45:01,627 INFO L85 PathProgramCache]: Analyzing trace with hash -411587943, now seen corresponding path program 1 times [2022-09-29 22:45:01,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:45:01,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128816593] [2022-09-29 22:45:01,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:45:01,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:45:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:45:05,263 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 22:45:05,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:45:05,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128816593] [2022-09-29 22:45:05,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128816593] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 22:45:05,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 22:45:05,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [88] imperfect sequences [] total 88 [2022-09-29 22:45:05,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503152206] [2022-09-29 22:45:05,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 22:45:05,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2022-09-29 22:45:05,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 22:45:05,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2022-09-29 22:45:05,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=7333, Unknown=0, NotChecked=0, Total=7656 [2022-09-29 22:45:05,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:45:05,271 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 22:45:05,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 9.954545454545455) internal successors, (876), 88 states have internal predecessors, (876), 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 22:45:05,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:45:05,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2022-09-29 22:45:05,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-09-29 22:45:05,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2022-09-29 22:45:05,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-09-29 22:45:05,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:45:32,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 22:45:32,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2022-09-29 22:45:32,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2022-09-29 22:45:32,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2022-09-29 22:45:32,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-09-29 22:45:32,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2022-09-29 22:45:32,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-29 22:45:32,122 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 22:45:32,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 22:45:32,122 INFO L85 PathProgramCache]: Analyzing trace with hash 312964232, now seen corresponding path program 1 times [2022-09-29 22:45:32,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 22:45:32,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627054447] [2022-09-29 22:45:32,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:45:32,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 22:45:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:45:35,447 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 168 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 22:45:35,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 22:45:35,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627054447] [2022-09-29 22:45:35,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627054447] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 22:45:35,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404634576] [2022-09-29 22:45:35,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 22:45:35,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 22:45:35,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 22:45:35,449 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 22:45:35,450 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 22:45:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 22:45:35,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 2680 conjuncts, 278 conjunts are in the unsatisfiable core [2022-09-29 22:45:35,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 22:45:36,206 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 22:45:36,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:45:36,716 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-09-29 22:45:37,507 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 22:45:37,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:45:37,953 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-09-29 22:45:39,792 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-09-29 22:45:39,792 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 22:45:39,933 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-09-29 22:45:40,435 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 31 treesize of output 29 [2022-09-29 22:45:43,380 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-09-29 22:45:43,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:45:43,999 INFO L356 Elim1Store]: treesize reduction 80, result has 17.5 percent of original size [2022-09-29 22:45:43,999 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 40 treesize of output 32 [2022-09-29 22:45:47,813 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 43 treesize of output 28 [2022-09-29 22:45:47,821 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 22:45:48,304 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-09-29 22:45:51,337 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 15 treesize of output 7 [2022-09-29 22:45:51,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 22:45:51,747 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-09-29 22:45:52,593 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-09-29 22:45:52,594 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 42 treesize of output 39 [2022-09-29 22:45:53,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 22:45:53,645 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-09-29 22:45:53,669 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 177 proven. 170 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-09-29 22:45:53,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 22:45:59,834 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 32 treesize of output 19 [2022-09-29 22:46:00,368 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 87 treesize of output 79 [2022-09-29 22:46:06,374 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 166 treesize of output 118 [2022-09-29 22:46:20,452 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-09-29 22:46:20,452 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2022-09-29 22:46:34,967 INFO L356 Elim1Store]: treesize reduction 15, result has 70.0 percent of original size [2022-09-29 22:46:34,968 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 643 treesize of output 243 [2022-09-29 22:46:35,183 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 22:46:35,185 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1454007 treesize of output 1434209 [2022-09-29 22:46:41,041 WARN L233 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 1866 DAG size of output: 1865 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-09-29 22:46:41,211 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 22:46:41,213 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 1835499 treesize of output 1589245 [2022-09-29 22:47:39,262 WARN L233 SmtUtils]: Spent 58.05s on a formula simplification. DAG size of input: 1889 DAG size of output: 1887 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-09-29 22:47:39,360 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 1150198 treesize of output 1104118 [2022-09-29 22:47:43,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 22:47:43,725 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2022-09-29 22:47:44,539 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 22:47:44,605 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 22:47:44,606 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 37 treesize of output 43 [2022-09-29 22:47:45,067 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 6 treesize of output 4 [2022-09-29 22:47:45,327 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 6 treesize of output 4 [2022-09-29 22:48:00,895 WARN L233 SmtUtils]: Spent 8.35s on a formula simplification. DAG size of input: 1828 DAG size of output: 1828 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-09-29 22:48:31,065 WARN L233 SmtUtils]: Spent 13.21s on a formula simplification. DAG size of input: 1807 DAG size of output: 1807 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-09-29 22:48:54,682 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-29 22:48:54,683 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 119549 treesize of output 114727 Received shutdown request... [2022-09-29 22:58:11,882 WARN L249 SmtUtils]: Removed 1 from assertion stack [2022-09-29 22:58:11,885 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 22:58:11,893 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 22:58:11,893 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-09-29 22:58:11,908 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-09-29 22:58:11,918 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 22:58:12,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-09-29 22:58:12,100 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1103 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-09-29 22:58:12,104 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-09-29 22:58:12,105 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/2) [2022-09-29 22:58:12,107 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-29 22:58:12,107 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-29 22:58:12,109 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1498.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.09 10:58:12 BasicIcfg [2022-09-29 22:58:12,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-29 22:58:12,109 INFO L158 Benchmark]: Toolchain (without parser) took 868304.14ms. Allocated memory was 207.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 158.9MB in the beginning and 459.2MB in the end (delta: -300.3MB). Peak memory consumption was 955.0MB. Max. memory is 8.0GB. [2022-09-29 22:58:12,109 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 207.6MB. Free memory was 165.0MB in the beginning and 164.9MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 22:58:12,110 INFO L158 Benchmark]: Boogie Preprocessor took 126.98ms. Allocated memory is still 207.6MB. Free memory was 158.8MB in the beginning and 152.4MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-09-29 22:58:12,110 INFO L158 Benchmark]: RCFGBuilder took 1114.99ms. Allocated memory is still 207.6MB. Free memory was 152.4MB in the beginning and 143.1MB in the end (delta: 9.3MB). Peak memory consumption was 16.3MB. Max. memory is 8.0GB. [2022-09-29 22:58:12,110 INFO L158 Benchmark]: TraceAbstraction took 867044.51ms. Allocated memory was 207.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 142.5MB in the beginning and 459.2MB in the end (delta: -316.7MB). Peak memory consumption was 937.6MB. Max. memory is 8.0GB. [2022-09-29 22:58:12,111 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 0.11ms. Allocated memory is still 207.6MB. Free memory was 165.0MB in the beginning and 164.9MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 126.98ms. Allocated memory is still 207.6MB. Free memory was 158.8MB in the beginning and 152.4MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1114.99ms. Allocated memory is still 207.6MB. Free memory was 152.4MB in the beginning and 143.1MB in the end (delta: 9.3MB). Peak memory consumption was 16.3MB. Max. memory is 8.0GB. * TraceAbstraction took 867044.51ms. Allocated memory was 207.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 142.5MB in the beginning and 459.2MB in the end (delta: -316.7MB). Peak memory consumption was 937.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 454, positive: 440, positive conditional: 440, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14429, positive: 13965, positive conditional: 13965, positive unconditional: 0, negative: 464, negative conditional: 464, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13966, positive: 13965, positive conditional: 0, positive unconditional: 13965, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2932, positive: 2931, positive conditional: 0, positive unconditional: 2931, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13966, positive: 11034, positive conditional: 0, positive unconditional: 11034, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2932, unknown conditional: 0, unknown unconditional: 2932] , Statistics on independence cache: Total cache size (in pairs): 440, Positive cache size: 440, Positive conditional cache size: 0, Positive unconditional cache size: 440, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 14, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1454, positive: 1412, positive conditional: 1412, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14429, positive: 13965, positive conditional: 13965, positive unconditional: 0, negative: 464, negative conditional: 464, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13966, positive: 13965, positive conditional: 0, positive unconditional: 13965, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2932, positive: 2931, positive conditional: 0, positive unconditional: 2931, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13966, positive: 11034, positive conditional: 0, positive unconditional: 11034, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2932, unknown conditional: 0, unknown unconditional: 2932] , Statistics on independence cache: Total cache size (in pairs): 1414, Positive cache size: 1414, Positive conditional cache size: 0, Positive unconditional cache size: 1414, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 56, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1692, positive: 1637, positive conditional: 1637, positive unconditional: 0, negative: 55, negative conditional: 55, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14429, positive: 13965, positive conditional: 13965, positive unconditional: 0, negative: 464, negative conditional: 464, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13966, positive: 13965, positive conditional: 0, positive unconditional: 13965, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2932, positive: 2931, positive conditional: 0, positive unconditional: 2931, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13966, positive: 11034, positive conditional: 0, positive unconditional: 11034, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2932, unknown conditional: 0, unknown unconditional: 2932] , Statistics on independence cache: Total cache size (in pairs): 2104, Positive cache size: 2103, Positive conditional cache size: 0, Positive unconditional cache size: 2103, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 110, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2080, positive: 2012, positive conditional: 2012, positive unconditional: 0, negative: 68, negative conditional: 68, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14429, positive: 13965, positive conditional: 13965, positive unconditional: 0, negative: 464, negative conditional: 464, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13966, positive: 13965, positive conditional: 0, positive unconditional: 13965, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2932, positive: 2931, positive conditional: 0, positive unconditional: 2931, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13966, positive: 11034, positive conditional: 0, positive unconditional: 11034, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2932, unknown conditional: 0, unknown unconditional: 2932] , Statistics on independence cache: Total cache size (in pairs): 2257, Positive cache size: 2256, Positive conditional cache size: 0, Positive unconditional cache size: 2256, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 178, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1674, positive: 1618, positive conditional: 1618, positive unconditional: 0, negative: 56, negative conditional: 56, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14429, positive: 13965, positive conditional: 13965, positive unconditional: 0, negative: 464, negative conditional: 464, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13966, positive: 13965, positive conditional: 0, positive unconditional: 13965, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2932, positive: 2931, positive conditional: 0, positive unconditional: 2931, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13966, positive: 11034, positive conditional: 0, positive unconditional: 11034, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2932, unknown conditional: 0, unknown unconditional: 2932] , Statistics on independence cache: Total cache size (in pairs): 2283, Positive cache size: 2282, Positive conditional cache size: 0, Positive unconditional cache size: 2282, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 234, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2771, positive: 2682, positive conditional: 2682, positive unconditional: 0, negative: 89, negative conditional: 89, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14429, positive: 13965, positive conditional: 13965, positive unconditional: 0, negative: 464, negative conditional: 464, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13966, positive: 13965, positive conditional: 0, positive unconditional: 13965, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2932, positive: 2931, positive conditional: 0, positive unconditional: 2931, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13966, positive: 11034, positive conditional: 0, positive unconditional: 11034, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2932, unknown conditional: 0, unknown unconditional: 2932] , Statistics on independence cache: Total cache size (in pairs): 2708, Positive cache size: 2707, Positive conditional cache size: 0, Positive unconditional cache size: 2707, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 323, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 4304, positive: 4164, positive conditional: 4164, positive unconditional: 0, negative: 140, negative conditional: 140, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14429, positive: 13965, positive conditional: 13965, positive unconditional: 0, negative: 464, negative conditional: 464, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13966, positive: 13965, positive conditional: 0, positive unconditional: 13965, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2932, positive: 2931, positive conditional: 0, positive unconditional: 2931, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13966, positive: 11034, positive conditional: 0, positive unconditional: 11034, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2932, unknown conditional: 0, unknown unconditional: 2932] , Statistics on independence cache: Total cache size (in pairs): 2932, Positive cache size: 2931, Positive conditional cache size: 0, Positive unconditional cache size: 2931, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 463, Statistics for Abstraction: - TimeoutResultAtElement [Line: 1498]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1103 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-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, 1438 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 866.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 91.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 585, 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, 0.8s SatisfiabilityAnalysisTime, 13.9s InterpolantComputationTime, 4279 NumberOfCodeBlocks, 4279 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 4273 ConstructedInterpolants, 0 QuantifiedInterpolants, 67181 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 132/132 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