/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 80 --traceabstraction.coinflip.random.seed 13 --traceabstraction.coinflip.budget.determination.mode PURE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/motivating.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-06 07:20:03,952 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-10-06 07:20:04,075 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 07:20:04,115 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-06 07:20:04,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-06 07:20:04,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-06 07:20:04,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-06 07:20:04,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-06 07:20:04,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-06 07:20:04,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-06 07:20:04,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-06 07:20:04,120 INFO L138 SettingsManager]: * Use SBE=true [2022-10-06 07:20:04,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-06 07:20:04,121 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-06 07:20:04,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-06 07:20:04,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-06 07:20:04,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-06 07:20:04,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-06 07:20:04,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-06 07:20:04,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-06 07:20:04,123 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-06 07:20:04,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-06 07:20:04,123 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-06 07:20:04,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-06 07:20:04,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-06 07:20:04,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-06 07:20:04,124 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-06 07:20:04,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-06 07:20:04,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 07:20:04,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-06 07:20:04,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-06 07:20:04,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-06 07:20:04,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-06 07:20:04,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-06 07:20:04,125 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-06 07:20:04,126 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-06 07:20:04,126 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-06 07:20:04,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-06 07:20:04,126 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-06 07:20:04,126 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-06 07:20:04,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-06 07:20:04,127 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-06 07:20:04,127 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip probability value -> 80 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip random seed -> 13 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip budget determination mode -> PURE [2022-10-06 07:20:04,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-06 07:20:04,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-06 07:20:04,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-06 07:20:04,505 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-06 07:20:04,507 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-06 07:20:04,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/motivating.bpl [2022-10-06 07:20:04,508 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/motivating.bpl' [2022-10-06 07:20:04,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-06 07:20:04,539 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-06 07:20:04,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-06 07:20:04,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-06 07:20:04,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-06 07:20:04,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:20:04" (1/1) ... [2022-10-06 07:20:04,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:20:04" (1/1) ... [2022-10-06 07:20:04,573 INFO L138 Inliner]: procedures = 4, calls = 6, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-06 07:20:04,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-06 07:20:04,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-06 07:20:04,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-06 07:20:04,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-06 07:20:04,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:20:04" (1/1) ... [2022-10-06 07:20:04,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:20:04" (1/1) ... [2022-10-06 07:20:04,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:20:04" (1/1) ... [2022-10-06 07:20:04,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:20:04" (1/1) ... [2022-10-06 07:20:04,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:20:04" (1/1) ... [2022-10-06 07:20:04,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:20:04" (1/1) ... [2022-10-06 07:20:04,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:20:04" (1/1) ... [2022-10-06 07:20:04,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-06 07:20:04,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-06 07:20:04,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-06 07:20:04,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-06 07:20:04,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:20:04" (1/1) ... [2022-10-06 07:20:04,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 07:20:04,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 07:20:04,645 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 07:20:04,658 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 07:20:04,683 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-10-06 07:20:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-06 07:20:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-06 07:20:04,684 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-10-06 07:20:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-06 07:20:04,684 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-06 07:20:04,684 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-10-06 07:20:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-06 07:20:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-06 07:20:04,685 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-06 07:20:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-06 07:20:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-06 07:20:04,686 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 07:20:04,740 INFO L234 CfgBuilder]: Building ICFG [2022-10-06 07:20:04,742 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-06 07:20:04,887 INFO L275 CfgBuilder]: Performing block encoding [2022-10-06 07:20:04,893 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-06 07:20:04,893 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-06 07:20:04,895 INFO L202 PluginConnector]: Adding new model motivating.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:20:04 BoogieIcfgContainer [2022-10-06 07:20:04,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-06 07:20:04,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-06 07:20:04,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-06 07:20:04,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-06 07:20:04,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 07:20:04" (1/2) ... [2022-10-06 07:20:04,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7354cf6f and model type motivating.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 07:20:04, skipping insertion in model container [2022-10-06 07:20:04,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "motivating.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 07:20:04" (2/2) ... [2022-10-06 07:20:04,902 INFO L112 eAbstractionObserver]: Analyzing ICFG motivating.bpl [2022-10-06 07:20:04,909 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-06 07:20:04,917 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-06 07:20:04,918 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-06 07:20:04,918 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-06 07:20:05,026 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2022-10-06 07:20:05,073 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 07:20:05,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 07:20:05,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 07:20:05,076 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 07:20:05,111 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 07:20:05,120 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 07:20:05,152 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 07:20:05,153 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 07:20:05,153 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 07:20:05,162 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-06 07:20:05,173 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;@551254fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 07:20:05,173 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 07:20:05,484 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 07:20:05,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 07:20:05,489 INFO L85 PathProgramCache]: Analyzing trace with hash 257103893, now seen corresponding path program 1 times [2022-10-06 07:20:05,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 07:20:05,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955345753] [2022-10-06 07:20:05,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 07:20:05,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 07:20:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 07:20:06,198 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-06 07:20:06,199 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 07:20:06,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955345753] [2022-10-06 07:20:06,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955345753] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 07:20:06,201 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 07:20:06,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-10-06 07:20:06,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928811060] [2022-10-06 07:20:06,203 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 07:20:06,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-06 07:20:06,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 07:20:06,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-06 07:20:06,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-10-06 07:20:06,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 07:20:06,286 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 07:20:06,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 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 07:20:06,287 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 07:20:06,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-06 07:20:06,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-06 07:20:06,740 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 07:20:06,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 07:20:06,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1709044821, now seen corresponding path program 1 times [2022-10-06 07:20:06,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 07:20:06,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036593190] [2022-10-06 07:20:06,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 07:20:06,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 07:20:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 07:20:07,664 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-06 07:20:07,665 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 07:20:07,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036593190] [2022-10-06 07:20:07,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036593190] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 07:20:07,665 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 07:20:07,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-10-06 07:20:07,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505151700] [2022-10-06 07:20:07,666 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 07:20:07,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-06 07:20:07,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 07:20:07,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-06 07:20:07,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-10-06 07:20:07,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 07:20:07,675 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 07:20:07,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 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 07:20:07,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-06 07:20:07,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 07:20:08,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-06 07:20:08,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 07:20:08,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-06 07:20:08,002 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 07:20:08,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 07:20:08,003 INFO L85 PathProgramCache]: Analyzing trace with hash -445696062, now seen corresponding path program 1 times [2022-10-06 07:20:08,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 07:20:08,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537773358] [2022-10-06 07:20:08,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 07:20:08,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 07:20:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-06 07:20:08,062 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-06 07:20:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-06 07:20:08,183 INFO L130 FreeRefinementEngine]: Strategy BADGER found a feasible trace [2022-10-06 07:20:08,183 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-06 07:20:08,185 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-06 07:20:08,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-06 07:20:08,198 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-06 07:20:08,199 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was UNSAFE (1/7) [2022-10-06 07:20:08,203 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-06 07:20:08,203 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-06 07:20:08,244 INFO L202 PluginConnector]: Adding new model motivating.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 07:20:08 BasicIcfg [2022-10-06 07:20:08,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-06 07:20:08,246 INFO L158 Benchmark]: Toolchain (without parser) took 3706.42ms. Allocated memory was 187.7MB in the beginning and 234.9MB in the end (delta: 47.2MB). Free memory was 166.1MB in the beginning and 156.8MB in the end (delta: 9.2MB). Peak memory consumption was 57.1MB. Max. memory is 8.0GB. [2022-10-06 07:20:08,246 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 187.7MB. Free memory is still 167.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-06 07:20:08,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.05ms. Allocated memory is still 187.7MB. Free memory was 165.9MB in the beginning and 164.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-06 07:20:08,247 INFO L158 Benchmark]: Boogie Preprocessor took 27.43ms. Allocated memory is still 187.7MB. Free memory was 164.4MB in the beginning and 163.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-06 07:20:08,247 INFO L158 Benchmark]: RCFGBuilder took 289.80ms. Allocated memory is still 187.7MB. Free memory was 163.4MB in the beginning and 153.7MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-06 07:20:08,249 INFO L158 Benchmark]: TraceAbstraction took 3347.46ms. Allocated memory was 187.7MB in the beginning and 234.9MB in the end (delta: 47.2MB). Free memory was 153.2MB in the beginning and 156.8MB in the end (delta: -3.7MB). Peak memory consumption was 44.5MB. Max. memory is 8.0GB. [2022-10-06 07:20:08,253 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 187.7MB. Free memory is still 167.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.05ms. Allocated memory is still 187.7MB. Free memory was 165.9MB in the beginning and 164.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.43ms. Allocated memory is still 187.7MB. Free memory was 164.4MB in the beginning and 163.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 289.80ms. Allocated memory is still 187.7MB. Free memory was 163.4MB in the beginning and 153.7MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 3347.46ms. Allocated memory was 187.7MB in the beginning and 234.9MB in the end (delta: 47.2MB). Free memory was 153.2MB in the beginning and 156.8MB in the end (delta: -3.7MB). Peak memory consumption was 44.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 44, positive: 38, positive conditional: 38, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 150, positive: 124, positive conditional: 124, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 125, positive: 124, positive conditional: 0, positive unconditional: 124, 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: 65, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 125, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 65, unknown conditional: 0, unknown unconditional: 65] , Statistics on independence cache: Total cache size (in pairs): 34, Positive cache size: 33, Positive conditional cache size: 0, Positive unconditional cache size: 33, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 5, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 53, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 150, positive: 124, positive conditional: 124, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 125, positive: 124, positive conditional: 0, positive unconditional: 124, 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: 65, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 125, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 65, unknown conditional: 0, unknown unconditional: 65] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 15, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 53, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 150, positive: 124, positive conditional: 124, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 125, positive: 124, positive conditional: 0, positive unconditional: 124, 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: 65, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 125, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 65, unknown conditional: 0, unknown unconditional: 65] , Statistics on independence cache: Total cache size (in pairs): 65, Positive cache size: 64, Positive conditional cache size: 0, Positive unconditional cache size: 64, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 25, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 363, positive: 269, positive conditional: 269, positive unconditional: 0, negative: 94, negative conditional: 94, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 273, positive: 269, positive conditional: 269, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 273, positive: 269, positive conditional: 269, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 273, positive: 269, positive conditional: 0, positive unconditional: 269, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 273, positive: 269, positive conditional: 0, positive unconditional: 269, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 273, positive: 269, positive conditional: 0, positive unconditional: 269, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 84, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 84, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 273, positive: 189, positive conditional: 0, positive unconditional: 189, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 84, unknown conditional: 0, unknown unconditional: 84] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 90 - CounterExampleResult [Line: 34]: assertion can be violated assertion can be violated We found a FailurePath: [L17] 0 assume 0 <= m && m < N; VAL [m=2, N=4] [L19] 0 i := 0; VAL [i=0, m=2, N=4] [L21] FORK 0 fork 1 thread1(); VAL [i=0, m=2, N=4] [L42] 1 havoc i; VAL [m=2, N=4] [L43] COND TRUE 1 0 <= i && i < N VAL [i=1, m=2, N=4] [L44] 1 A := A[i := (if A[i] < 0 then 0 else A[i])]; VAL [i=1, m=2, N=4] [L22] FORK 0 fork 4, 4, 4, 4 thread1(); VAL [i=1, m=2, N=4] [L42] 2 havoc i; VAL [m=2, N=4] [L43] COND TRUE 2 0 <= i && i < N VAL [i=1, m=2, N=4] [L44] 2 A := A[i := (if A[i] < 0 then 0 else A[i])]; VAL [i=1, m=2, N=4] [L23] FORK 0 fork 5, 5, 5, 5, 5 thread1(); VAL [i=1, m=2, N=4] [L42] 3 havoc i; VAL [m=2, N=4] [L43] COND TRUE 3 0 <= i && i < N VAL [i=0, m=2, N=4] [L44] 3 A := A[i := (if A[i] < 0 then 0 else A[i])]; VAL [i=0, m=2, N=4] [L42] 3 havoc i; VAL [m=2, N=4] [L43] COND FALSE 3 !(0 <= i && i < N) VAL [i=4, m=2, N=4] [L24] FORK 0 fork 6, 6, 6, 6, 6, 6 thread1(); VAL [i=4, m=2, N=4] [L42] 4 havoc i; VAL [m=2, N=4] [L43] COND TRUE 4 0 <= i && i < N VAL [i=3, m=2, N=4] [L44] 4 A := A[i := (if A[i] < 0 then 0 else A[i])]; VAL [i=3, m=2, N=4] [L42] 4 havoc i; VAL [m=2, N=4] [L43] COND TRUE 4 0 <= i && i < N VAL [i=2, m=2, N=4] [L25] FORK 0 fork 2, 2 thread2(); VAL [i=2, m=2, N=4] [L54] 5 cnt := 0; VAL [cnt=0, i=2, m=2, N=4] [L44] 4 A := A[i := (if A[i] < 0 then 0 else A[i])]; VAL [cnt=0, i=2, m=2, N=4] [L42] 4 havoc i; VAL [cnt=0, m=2, N=4] [L43] COND TRUE 4 0 <= i && i < N VAL [cnt=0, i=0, m=2, N=4] [L56] 5 j := 0; VAL [cnt=0, i=0, j=0, m=2, N=4] [L26] FORK 0 fork 3, 3, 3 thread3(); VAL [cnt=0, i=0, j=0, m=2, N=4] [L76] 6 havoc k; VAL [cnt=0, i=0, j=0, m=2, N=4] [L77] COND TRUE 6 0 <= k && k < N VAL [cnt=0, i=0, j=0, k=3, m=2, N=4] [L78] 6 B[k] := k; VAL [cnt=0, i=0, j=0, k=3, m=2, N=4] [L76] 6 havoc k; VAL [cnt=0, i=0, j=0, m=2, N=4] [L77] COND FALSE 6 !(0 <= k && k < N) VAL [cnt=0, i=0, j=0, k=4, m=2, N=4] [L27] JOIN 1 join 1; VAL [cnt=0, i=0, j=0, k=4, m=2, N=4] [L28] JOIN 2 join 4, 4, 4, 4; VAL [cnt=0, i=0, j=0, k=4, m=2, N=4] [L29] JOIN 3 join 5, 5, 5, 5, 5; VAL [cnt=0, i=0, j=0, k=4, m=2, N=4] [L44] 4 A := A[i := (if A[i] < 0 then 0 else A[i])]; VAL [cnt=0, i=0, j=0, k=4, m=2, N=4] [L42] 4 havoc i; VAL [cnt=0, j=0, k=4, m=2, N=4] [L43] COND FALSE 4 !(0 <= i && i < N) VAL [cnt=0, i=-1, j=0, k=4, m=2, N=4] [L30] JOIN 4 join 6, 6, 6, 6, 6, 6; VAL [cnt=0, i=-1, j=0, k=4, m=2, N=4] [L57] COND TRUE 5 j < N VAL [cnt=0, i=-1, j=0, k=4, m=2, N=4] [L58] COND TRUE 5 A[j] > 0 && B[j] > 0 VAL [cnt=0, i=-1, j=0, k=4, m=2, N=4] [L59] 5 cnt := cnt + 1; VAL [cnt=1, i=-1, j=0, k=4, m=2, N=4] [L65] 5 j := j + 1; VAL [cnt=1, i=-1, j=1, k=4, m=2, N=4] [L57] COND TRUE 5 j < N VAL [cnt=1, i=-1, j=1, k=4, m=2, N=4] [L58] COND TRUE 5 A[j] > 0 && B[j] > 0 VAL [cnt=1, i=-1, j=1, k=4, m=2, N=4] [L59] 5 cnt := cnt + 1; VAL [cnt=2, i=-1, j=1, k=4, m=2, N=4] [L65] 5 j := j + 1; VAL [cnt=2, i=-1, j=2, k=4, m=2, N=4] [L57] COND TRUE 5 j < N VAL [cnt=2, i=-1, j=2, k=4, m=2, N=4] [L58] COND FALSE 5 !(A[j] > 0 && B[j] > 0) VAL [cnt=2, i=-1, j=2, k=4, m=2, N=4] [L65] 5 j := j + 1; VAL [cnt=2, i=-1, j=3, k=4, m=2, N=4] [L57] COND TRUE 5 j < N VAL [cnt=2, i=-1, j=3, k=4, m=2, N=4] [L58] COND TRUE 5 A[j] > 0 && B[j] > 0 VAL [cnt=2, i=-1, j=3, k=4, m=2, N=4] [L59] 5 cnt := cnt + 1; VAL [cnt=3, i=-1, j=3, k=4, m=2, N=4] [L65] 5 j := j + 1; VAL [cnt=3, i=-1, j=4, k=4, m=2, N=4] [L57] COND FALSE 5 !(j < N) VAL [cnt=3, i=-1, j=4, k=4, m=2, N=4] [L31] JOIN 5 join 2, 2 assign result; VAL [cnt=3, i=-1, j=4, k=4, m=2, N=4, result=3] [L32] JOIN 6 join 3, 3, 3; VAL [cnt=3, i=-1, j=4, k=4, m=2, N=4, result=3] [L34] 0 assert result >= 1 ==> A[m] > 0 && B[m] > 0; VAL [cnt=3, i=-1, j=4, k=4, m=2, N=4, result=3] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 10 procedures, 68 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.1s, 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: 20, 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: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 1514 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 39/58 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 proved your program to be incorrect! [2022-10-06 07:20:08,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-10-06 07:20:08,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...