/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 85 --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 [2022-10-10 14:34:58,138 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-10-10 14:34:58,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-10 14:34:58,257 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-10 14:34:58,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-10 14:34:58,258 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-10 14:34:58,258 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-10 14:34:58,259 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-10 14:34:58,259 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-10 14:34:58,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-10 14:34:58,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-10 14:34:58,261 INFO L138 SettingsManager]: * Use SBE=true [2022-10-10 14:34:58,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-10 14:34:58,262 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-10 14:34:58,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-10 14:34:58,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-10 14:34:58,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-10 14:34:58,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-10 14:34:58,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-10 14:34:58,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-10 14:34:58,263 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-10 14:34:58,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-10 14:34:58,263 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-10 14:34:58,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-10 14:34:58,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-10 14:34:58,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-10 14:34:58,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-10 14:34:58,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-10 14:34:58,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-10 14:34:58,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-10 14:34:58,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-10 14:34:58,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-10 14:34:58,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-10 14:34:58,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-10 14:34:58,264 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-10 14:34:58,264 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-10 14:34:58,265 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-10 14:34:58,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-10 14:34:58,265 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-10 14:34:58,265 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-10 14:34:58,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-10 14:34:58,265 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-10 14:34:58,265 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip probability value -> 85 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip random seed -> 13 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip budget determination mode -> PURE [2022-10-10 14:34:58,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-10 14:34:58,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-10 14:34:58,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-10 14:34:58,572 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-10 14:34:58,575 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-10 14:34:58,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/motivating.bpl [2022-10-10 14:34:58,576 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/motivating.bpl' [2022-10-10 14:34:58,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-10 14:34:58,600 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-10 14:34:58,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-10 14:34:58,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-10 14:34:58,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-10 14:34:58,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 02:34:58" (1/1) ... [2022-10-10 14:34:58,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 02:34:58" (1/1) ... [2022-10-10 14:34:58,620 INFO L138 Inliner]: procedures = 4, calls = 6, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-10 14:34:58,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-10 14:34:58,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-10 14:34:58,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-10 14:34:58,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-10 14:34:58,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 02:34:58" (1/1) ... [2022-10-10 14:34:58,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 02:34:58" (1/1) ... [2022-10-10 14:34:58,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 02:34:58" (1/1) ... [2022-10-10 14:34:58,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 02:34:58" (1/1) ... [2022-10-10 14:34:58,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 02:34:58" (1/1) ... [2022-10-10 14:34:58,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 02:34:58" (1/1) ... [2022-10-10 14:34:58,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 02:34:58" (1/1) ... [2022-10-10 14:34:58,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-10 14:34:58,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-10 14:34:58,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-10 14:34:58,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-10 14:34:58,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 02:34:58" (1/1) ... [2022-10-10 14:34:58,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-10 14:34:58,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 14:34:58,698 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) [2022-10-10 14:34:58,759 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 [2022-10-10 14:34:58,776 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-10-10 14:34:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-10 14:34:58,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-10 14:34:58,777 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-10-10 14:34:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-10 14:34:58,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-10 14:34:58,777 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-10-10 14:34:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-10 14:34:58,777 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-10 14:34:58,777 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-10 14:34:58,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-10 14:34:58,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-10 14:34:58,778 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-10 14:34:58,822 INFO L234 CfgBuilder]: Building ICFG [2022-10-10 14:34:58,825 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-10 14:34:58,925 INFO L275 CfgBuilder]: Performing block encoding [2022-10-10 14:34:58,929 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-10 14:34:58,929 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-10 14:34:58,930 INFO L202 PluginConnector]: Adding new model motivating.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:34:58 BoogieIcfgContainer [2022-10-10 14:34:58,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-10 14:34:58,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-10 14:34:58,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-10 14:34:58,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-10 14:34:58,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "motivating.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 02:34:58" (1/2) ... [2022-10-10 14:34:58,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c5dfd2b and model type motivating.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 02:34:58, skipping insertion in model container [2022-10-10 14:34:58,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "motivating.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 02:34:58" (2/2) ... [2022-10-10 14:34:58,936 INFO L112 eAbstractionObserver]: Analyzing ICFG motivating.bpl [2022-10-10 14:34:58,940 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-10 14:34:58,946 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-10 14:34:58,946 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-10 14:34:58,946 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-10 14:34:58,996 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2022-10-10 14:34:59,030 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-10 14:34:59,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 14:34:59,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 14:34:59,032 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) [2022-10-10 14:34:59,034 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 [2022-10-10 14:34:59,053 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 14:34:59,085 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-10 14:34:59,086 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-10 14:34:59,086 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-10 14:34:59,092 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-10 14:34:59,114 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;@5d08e722, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 14:34:59,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 14:34:59,355 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 14:34:59,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 14:34:59,362 INFO L85 PathProgramCache]: Analyzing trace with hash 257103893, now seen corresponding path program 1 times [2022-10-10 14:34:59,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 14:34:59,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384330808] [2022-10-10 14:34:59,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 14:34:59,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 14:34:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 14:34:59,946 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-10 14:34:59,946 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 14:34:59,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384330808] [2022-10-10 14:34:59,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384330808] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 14:34:59,948 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 14:34:59,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-10-10 14:34:59,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625088720] [2022-10-10 14:34:59,949 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 14:34:59,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-10 14:34:59,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 14:34:59,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-10 14:34:59,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-10-10 14:34:59,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 14:34:59,969 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 14:34:59,970 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) [2022-10-10 14:34:59,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 14:35:00,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-10 14:35:00,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-10 14:35:00,287 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 14:35:00,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 14:35:00,288 INFO L85 PathProgramCache]: Analyzing trace with hash 478253147, now seen corresponding path program 1 times [2022-10-10 14:35:00,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 14:35:00,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403786802] [2022-10-10 14:35:00,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 14:35:00,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 14:35:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 14:35:00,677 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-10 14:35:00,678 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 14:35:00,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403786802] [2022-10-10 14:35:00,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403786802] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 14:35:00,678 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 14:35:00,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-10-10 14:35:00,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490056994] [2022-10-10 14:35:00,678 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 14:35:00,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-10 14:35:00,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 14:35:00,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-10 14:35:00,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-10-10 14:35:00,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 14:35:00,683 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 14:35:00,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 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) [2022-10-10 14:35:00,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-10 14:35:00,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 14:35:01,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-10 14:35:01,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-10 14:35:01,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-10 14:35:01,011 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 14:35:01,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 14:35:01,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1462281643, now seen corresponding path program 2 times [2022-10-10 14:35:01,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 14:35:01,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271192313] [2022-10-10 14:35:01,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 14:35:01,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 14:35:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 14:35:01,594 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-10 14:35:01,594 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 14:35:01,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271192313] [2022-10-10 14:35:01,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271192313] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 14:35:01,595 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 14:35:01,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2022-10-10 14:35:01,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967998937] [2022-10-10 14:35:01,595 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 14:35:01,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-10 14:35:01,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 14:35:01,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-10 14:35:01,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2022-10-10 14:35:01,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 14:35:01,597 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 14:35:01,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 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) [2022-10-10 14:35:01,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-10 14:35:01,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-10 14:35:01,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 14:35:01,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-10 14:35:01,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-10 14:35:01,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-10 14:35:01,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-10 14:35:01,900 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 14:35:01,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 14:35:01,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1036774974, now seen corresponding path program 1 times [2022-10-10 14:35:01,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 14:35:01,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155067747] [2022-10-10 14:35:01,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 14:35:01,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 14:35:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-10 14:35:01,995 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-10 14:35:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-10 14:35:02,091 INFO L130 FreeRefinementEngine]: Strategy BADGER found a feasible trace [2022-10-10 14:35:02,092 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-10 14:35:02,096 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-10 14:35:02,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-10 14:35:02,110 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-10-10 14:35:02,111 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was UNSAFE (1/7) [2022-10-10 14:35:02,114 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-10 14:35:02,114 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-10 14:35:02,142 INFO L202 PluginConnector]: Adding new model motivating.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 02:35:02 BasicIcfg [2022-10-10 14:35:02,142 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-10 14:35:02,143 INFO L158 Benchmark]: Toolchain (without parser) took 3542.54ms. Allocated memory was 218.1MB in the beginning and 296.7MB in the end (delta: 78.6MB). Free memory was 196.3MB in the beginning and 217.7MB in the end (delta: -21.4MB). Peak memory consumption was 59.4MB. Max. memory is 8.0GB. [2022-10-10 14:35:02,143 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 218.1MB. Free memory is still 197.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-10 14:35:02,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.40ms. Allocated memory is still 218.1MB. Free memory was 196.3MB in the beginning and 194.7MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-10 14:35:02,143 INFO L158 Benchmark]: Boogie Preprocessor took 18.42ms. Allocated memory is still 218.1MB. Free memory was 194.7MB in the beginning and 193.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-10 14:35:02,144 INFO L158 Benchmark]: RCFGBuilder took 288.03ms. Allocated memory is still 218.1MB. Free memory was 193.7MB in the beginning and 184.0MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-10 14:35:02,144 INFO L158 Benchmark]: TraceAbstraction took 3210.15ms. Allocated memory was 218.1MB in the beginning and 296.7MB in the end (delta: 78.6MB). Free memory was 183.4MB in the beginning and 217.7MB in the end (delta: -34.3MB). Peak memory consumption was 45.8MB. Max. memory is 8.0GB. [2022-10-10 14:35:02,145 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 0.10ms. Allocated memory is still 218.1MB. Free memory is still 197.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.40ms. Allocated memory is still 218.1MB. Free memory was 196.3MB in the beginning and 194.7MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.42ms. Allocated memory is still 218.1MB. Free memory was 194.7MB in the beginning and 193.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 288.03ms. Allocated memory is still 218.1MB. Free memory was 193.7MB in the beginning and 184.0MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 3210.15ms. Allocated memory was 218.1MB in the beginning and 296.7MB in the end (delta: 78.6MB). Free memory was 183.4MB in the beginning and 217.7MB in the end (delta: -34.3MB). Peak memory consumption was 45.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 39, positive: 33, positive conditional: 33, 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: 127, positive: 105, positive conditional: 105, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 105, positive conditional: 0, positive unconditional: 105, 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: 47, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 59, positive conditional: 0, positive unconditional: 59, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 47, unknown conditional: 0, unknown unconditional: 47] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, 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: 29, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 127, positive: 105, positive conditional: 105, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 105, positive conditional: 0, positive unconditional: 105, 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: 47, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 59, positive conditional: 0, positive unconditional: 59, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 47, unknown conditional: 0, unknown unconditional: 47] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 10, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 29, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 127, positive: 105, positive conditional: 105, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 105, positive conditional: 0, positive unconditional: 105, 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: 47, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 59, positive conditional: 0, positive unconditional: 59, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 47, unknown conditional: 0, unknown unconditional: 47] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, 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 #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 30, positive: 24, positive conditional: 24, 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: 127, positive: 105, positive conditional: 105, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 105, positive conditional: 0, positive unconditional: 105, 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: 47, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 59, positive conditional: 0, positive unconditional: 59, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 47, unknown conditional: 0, unknown unconditional: 47] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 46, Positive conditional cache size: 0, Positive unconditional cache size: 46, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 21, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 397, positive: 274, positive conditional: 274, positive unconditional: 0, negative: 123, negative conditional: 123, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 278, positive: 274, positive conditional: 274, 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: 278, positive: 274, positive conditional: 274, 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: 278, positive: 274, positive conditional: 0, positive unconditional: 274, 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: 278, positive: 274, positive conditional: 0, positive unconditional: 274, 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: 278, positive: 274, positive conditional: 0, positive unconditional: 274, 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: 60, positive: 56, positive conditional: 0, positive unconditional: 56, 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: 60, positive: 56, positive conditional: 0, positive unconditional: 56, 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: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 278, positive: 218, positive conditional: 0, positive unconditional: 218, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 60, unknown conditional: 0, unknown unconditional: 60] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, 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: 119 - CounterExampleResult [Line: 34]: assertion can be violated assertion can be violated We found a FailurePath: [L17] 0 assume 0 <= m && m < N; VAL [m=3, N=5] [L19] 0 i := 0; VAL [i=0, m=3, N=5] [L21] FORK 0 fork 1 thread1(); VAL [i=0, m=3, N=5] [L42] 1 havoc i; VAL [m=3, N=5] [L43] COND TRUE 1 0 <= i && i < N VAL [i=4, m=3, N=5] [L44] 1 A := A[i := (if A[i] < 0 then 0 else A[i])]; VAL [i=4, m=3, N=5] [L22] FORK 0 fork 4, 4, 4, 4 thread1(); VAL [i=4, m=3, N=5] [L42] 2 havoc i; VAL [m=3, N=5] [L43] COND TRUE 2 0 <= i && i < N VAL [i=3, m=3, N=5] [L44] 2 A := A[i := (if A[i] < 0 then 0 else A[i])]; VAL [i=3, m=3, N=5] [L23] FORK 0 fork 5, 5, 5, 5, 5 thread1(); VAL [i=3, m=3, N=5] [L42] 3 havoc i; VAL [m=3, N=5] [L43] COND TRUE 3 0 <= i && i < N VAL [i=0, m=3, N=5] [L44] 3 A := A[i := (if A[i] < 0 then 0 else A[i])]; VAL [i=0, m=3, N=5] [L42] 3 havoc i; VAL [m=3, N=5] [L43] COND FALSE 3 !(0 <= i && i < N) VAL [i=5, m=3, N=5] [L24] FORK 0 fork 6, 6, 6, 6, 6, 6 thread1(); VAL [i=5, m=3, N=5] [L42] 4 havoc i; VAL [m=3, N=5] [L43] COND TRUE 4 0 <= i && i < N VAL [i=0, m=3, N=5] [L44] 4 A := A[i := (if A[i] < 0 then 0 else A[i])]; VAL [i=0, m=3, N=5] [L25] FORK 0 fork 2, 2 thread2(); VAL [i=0, m=3, N=5] [L54] 5 cnt := 0; VAL [cnt=0, i=0, m=3, N=5] [L56] 5 j := 0; VAL [cnt=0, i=0, j=0, m=3, N=5] [L26] FORK 0 fork 3, 3, 3 thread3(); VAL [cnt=0, i=0, j=0, m=3, N=5] [L76] 6 havoc k; VAL [cnt=0, i=0, j=0, m=3, N=5] [L77] COND TRUE 6 0 <= k && k < N VAL [cnt=0, i=0, j=0, k=2, m=3, N=5] [L27] JOIN 1 join 1; VAL [cnt=0, i=0, j=0, k=2, m=3, N=5] [L28] JOIN 2 join 4, 4, 4, 4; VAL [cnt=0, i=0, j=0, k=2, m=3, N=5] [L29] JOIN 3 join 5, 5, 5, 5, 5; VAL [cnt=0, i=0, j=0, k=2, m=3, N=5] [L78] 6 B[k] := k; VAL [cnt=0, i=0, j=0, k=2, m=3, N=5] [L76] 6 havoc k; VAL [cnt=0, i=0, j=0, m=3, N=5] [L77] COND TRUE 6 0 <= k && k < N VAL [cnt=0, i=0, j=0, k=1, m=3, N=5] [L78] 6 B[k] := k; VAL [cnt=0, i=0, j=0, k=1, m=3, N=5] [L30] JOIN 4 join 6, 6, 6, 6, 6, 6; VAL [cnt=0, i=0, j=0, k=1, m=3, N=5] [L57] COND TRUE 5 j < N VAL [cnt=0, i=0, j=0, k=1, m=3, N=5] [L58] COND TRUE 5 A[j] > 0 && B[j] > 0 VAL [cnt=0, i=0, j=0, k=1, m=3, N=5] [L59] 5 cnt := cnt + 1; VAL [cnt=1, i=0, j=0, k=1, m=3, N=5] [L65] 5 j := j + 1; VAL [cnt=1, i=0, j=1, k=1, m=3, N=5] [L57] COND TRUE 5 j < N VAL [cnt=1, i=0, j=1, k=1, m=3, N=5] [L58] COND TRUE 5 A[j] > 0 && B[j] > 0 VAL [cnt=1, i=0, j=1, k=1, m=3, N=5] [L59] 5 cnt := cnt + 1; VAL [cnt=2, i=0, j=1, k=1, m=3, N=5] [L65] 5 j := j + 1; VAL [cnt=2, i=0, j=2, k=1, m=3, N=5] [L57] COND TRUE 5 j < N VAL [cnt=2, i=0, j=2, k=1, m=3, N=5] [L58] COND TRUE 5 A[j] > 0 && B[j] > 0 VAL [cnt=2, i=0, j=2, k=1, m=3, N=5] [L59] 5 cnt := cnt + 1; VAL [cnt=3, i=0, j=2, k=1, m=3, N=5] [L65] 5 j := j + 1; VAL [cnt=3, i=0, j=3, k=1, m=3, N=5] [L57] COND TRUE 5 j < N VAL [cnt=3, i=0, j=3, k=1, m=3, N=5] [L58] COND FALSE 5 !(A[j] > 0 && B[j] > 0) VAL [cnt=3, i=0, j=3, k=1, m=3, N=5] [L65] 5 j := j + 1; VAL [cnt=3, i=0, j=4, k=1, m=3, N=5] [L57] COND TRUE 5 j < N VAL [cnt=3, i=0, j=4, k=1, m=3, N=5] [L58] COND TRUE 5 A[j] > 0 && B[j] > 0 VAL [cnt=3, i=0, j=4, k=1, m=3, N=5] [L59] 5 cnt := cnt + 1; VAL [cnt=4, i=0, j=4, k=1, m=3, N=5] [L65] 5 j := j + 1; VAL [cnt=4, i=0, j=5, k=1, m=3, N=5] [L57] COND FALSE 5 !(j < N) VAL [cnt=4, i=0, j=5, k=1, m=3, N=5] [L31] JOIN 5 join 2, 2 assign result; VAL [cnt=4, i=0, j=5, k=1, m=3, N=5, result=4] [L32] JOIN 6 join 3, 3, 3; VAL [cnt=4, i=0, j=5, k=1, m=3, N=5, result=4] [L34] 0 assert result >= 1 ==> A[m] > 0 && B[m] > 0; VAL [cnt=4, i=0, j=5, k=1, m=3, N=5, result=4] - 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: 3.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.2s, 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: 27, 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, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 158 ConstructedInterpolants, 0 QuantifiedInterpolants, 2965 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 30/72 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! [2022-10-10 14:35:02,169 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 [2022-10-10 14:35:02,373 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...