/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy BADGER --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf --traceabstraction.coinflip.probability.value 10 --traceabstraction.coinflip.random.seed 0 --traceabstraction.coinflip.budget.determination.mode PURE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-3modifiers.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-06 01:45:06,929 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-10-06 01:45:06,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-06 01:45:06,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-06 01:45:06,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-06 01:45:06,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-06 01:45:06,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-06 01:45:06,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-06 01:45:06,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-06 01:45:06,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-06 01:45:06,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-06 01:45:06,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-06 01:45:06,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-06 01:45:06,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-06 01:45:07,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-06 01:45:07,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-06 01:45:07,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-06 01:45:07,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-06 01:45:07,014 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-06 01:45:07,044 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-06 01:45:07,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-06 01:45:07,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-06 01:45:07,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-06 01:45:07,046 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-06 01:45:07,046 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-06 01:45:07,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-06 01:45:07,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-06 01:45:07,048 INFO L138 SettingsManager]: * Use SBE=true [2022-10-06 01:45:07,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-06 01:45:07,049 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-06 01:45:07,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-06 01:45:07,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-06 01:45:07,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-06 01:45:07,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-06 01:45:07,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-06 01:45:07,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-06 01:45:07,049 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-06 01:45:07,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-06 01:45:07,050 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-06 01:45:07,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-06 01:45:07,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-06 01:45:07,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-06 01:45:07,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-06 01:45:07,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-06 01:45:07,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 01:45:07,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-06 01:45:07,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-06 01:45:07,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-06 01:45:07,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-06 01:45:07,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-06 01:45:07,051 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-06 01:45:07,051 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-06 01:45:07,051 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-06 01:45:07,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-06 01:45:07,052 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-06 01:45:07,052 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-06 01:45:07,052 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-06 01:45:07,052 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-06 01:45:07,052 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip probability value -> 10 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip random seed -> 0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip budget determination mode -> PURE [2022-10-06 01:45:07,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-06 01:45:07,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-06 01:45:07,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-06 01:45:07,389 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-06 01:45:07,390 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-06 01:45:07,393 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-3modifiers.bpl [2022-10-06 01:45:07,393 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-3modifiers.bpl' [2022-10-06 01:45:07,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-06 01:45:07,423 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-06 01:45:07,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-06 01:45:07,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-06 01:45:07,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-06 01:45:07,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 01:45:07" (1/1) ... [2022-10-06 01:45:07,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 01:45:07" (1/1) ... [2022-10-06 01:45:07,447 INFO L138 Inliner]: procedures = 4, calls = 5, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-06 01:45:07,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-06 01:45:07,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-06 01:45:07,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-06 01:45:07,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-06 01:45:07,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 01:45:07" (1/1) ... [2022-10-06 01:45:07,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 01:45:07" (1/1) ... [2022-10-06 01:45:07,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 01:45:07" (1/1) ... [2022-10-06 01:45:07,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 01:45:07" (1/1) ... [2022-10-06 01:45:07,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 01:45:07" (1/1) ... [2022-10-06 01:45:07,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 01:45:07" (1/1) ... [2022-10-06 01:45:07,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 01:45:07" (1/1) ... [2022-10-06 01:45:07,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-06 01:45:07,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-06 01:45:07,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-06 01:45:07,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-06 01:45:07,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 01:45:07" (1/1) ... [2022-10-06 01:45:07,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 01:45:07,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 01:45:07,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-06 01:45:07,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-06 01:45:07,552 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-10-06 01:45:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-06 01:45:07,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-06 01:45:07,552 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-10-06 01:45:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-06 01:45:07,552 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-06 01:45:07,553 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-10-06 01:45:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-06 01:45:07,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-06 01:45:07,553 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-06 01:45:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-06 01:45:07,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-06 01:45:07,554 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-06 01:45:07,589 INFO L234 CfgBuilder]: Building ICFG [2022-10-06 01:45:07,590 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-06 01:45:07,676 INFO L275 CfgBuilder]: Performing block encoding [2022-10-06 01:45:07,681 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-06 01:45:07,681 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-06 01:45:07,683 INFO L202 PluginConnector]: Adding new model map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 01:45:07 BoogieIcfgContainer [2022-10-06 01:45:07,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-06 01:45:07,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-06 01:45:07,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-06 01:45:07,687 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-06 01:45:07,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 01:45:07" (1/2) ... [2022-10-06 01:45:07,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a9b0782 and model type map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 01:45:07, skipping insertion in model container [2022-10-06 01:45:07,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "map-aggr-update1-3modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 01:45:07" (2/2) ... [2022-10-06 01:45:07,689 INFO L112 eAbstractionObserver]: Analyzing ICFG map-aggr-update1-3modifiers.bpl [2022-10-06 01:45:07,695 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-06 01:45:07,702 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-06 01:45:07,702 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-06 01:45:07,702 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-06 01:45:07,822 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-10-06 01:45:07,895 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 01:45:07,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 01:45:07,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 01:45:07,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-06 01:45:07,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-10-06 01:45:07,949 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 01:45:07,978 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 01:45:07,979 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 01:45:07,979 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 01:45:07,995 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-06 01:45:08,003 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;@3ace20db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 01:45:08,004 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 01:45:11,590 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 01:45:11,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 01:45:11,610 INFO L85 PathProgramCache]: Analyzing trace with hash 318097999, now seen corresponding path program 1 times [2022-10-06 01:45:11,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 01:45:11,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725281148] [2022-10-06 01:45:11,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 01:45:11,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 01:45:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 01:45:14,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2081 backedges. 994 proven. 1044 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-10-06 01:45:14,367 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 01:45:14,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725281148] [2022-10-06 01:45:14,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725281148] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 01:45:14,368 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 01:45:14,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2022-10-06 01:45:14,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601057402] [2022-10-06 01:45:14,371 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 01:45:14,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-10-06 01:45:14,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 01:45:14,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-10-06 01:45:14,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=860, Invalid=3970, Unknown=0, NotChecked=0, Total=4830 [2022-10-06 01:45:14,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 01:45:14,455 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 01:45:14,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 69 states have (on average 3.6956521739130435) internal successors, (255), 70 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 01:45:14,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 01:45:17,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 01:45:17,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-06 01:45:17,671 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 01:45:17,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 01:45:17,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1021665829, now seen corresponding path program 1 times [2022-10-06 01:45:17,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 01:45:17,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699385978] [2022-10-06 01:45:17,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 01:45:17,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 01:45:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 01:45:19,059 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 102 proven. 650 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-06 01:45:19,059 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 01:45:19,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699385978] [2022-10-06 01:45:19,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699385978] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 01:45:19,060 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 01:45:19,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2022-10-06 01:45:19,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248676923] [2022-10-06 01:45:19,060 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 01:45:19,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-10-06 01:45:19,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 01:45:19,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-10-06 01:45:19,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=450, Invalid=3972, Unknown=0, NotChecked=0, Total=4422 [2022-10-06 01:45:19,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 01:45:19,073 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 01:45:19,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 66 states have (on average 2.742424242424242) internal successors, (181), 67 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 01:45:19,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 01:45:19,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 01:45:34,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 01:45:34,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-10-06 01:45:34,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-06 01:45:34,213 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 01:45:34,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 01:45:34,214 INFO L85 PathProgramCache]: Analyzing trace with hash 201007818, now seen corresponding path program 2 times [2022-10-06 01:45:34,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 01:45:34,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805604923] [2022-10-06 01:45:34,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 01:45:34,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 01:45:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 01:45:36,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2050 backedges. 563 proven. 1486 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-06 01:45:36,745 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 01:45:36,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805604923] [2022-10-06 01:45:36,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805604923] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 01:45:36,747 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 01:45:36,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2022-10-06 01:45:36,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138128491] [2022-10-06 01:45:36,747 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 01:45:36,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2022-10-06 01:45:36,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 01:45:36,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2022-10-06 01:45:36,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1320, Invalid=6870, Unknown=0, NotChecked=0, Total=8190 [2022-10-06 01:45:36,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 01:45:36,753 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 01:45:36,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 90 states have (on average 3.2444444444444445) internal successors, (292), 91 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 01:45:36,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 01:45:36,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-10-06 01:45:36,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 01:50:04,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 01:50:04,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-10-06 01:50:04,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-10-06 01:50:04,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-06 01:50:04,731 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 01:50:04,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 01:50:04,733 INFO L85 PathProgramCache]: Analyzing trace with hash 2131365824, now seen corresponding path program 1 times [2022-10-06 01:50:04,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 01:50:04,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921630269] [2022-10-06 01:50:04,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 01:50:04,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 01:50:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 01:50:08,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3766 backedges. 963 proven. 2775 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-06 01:50:08,661 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 01:50:08,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921630269] [2022-10-06 01:50:08,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921630269] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 01:50:08,662 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 01:50:08,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106] total 106 [2022-10-06 01:50:08,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127008909] [2022-10-06 01:50:08,662 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 01:50:08,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2022-10-06 01:50:08,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 01:50:08,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2022-10-06 01:50:08,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1694, Invalid=9648, Unknown=0, NotChecked=0, Total=11342 [2022-10-06 01:50:08,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 01:50:08,668 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 01:50:08,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 106 states have (on average 3.4056603773584904) internal successors, (361), 107 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 01:50:08,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 01:50:08,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-10-06 01:50:08,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-10-06 01:50:08,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.