/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk01/test-easy7.wvr.line176.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-19 14:37:04,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-19 14:37:04,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-19 14:37:04,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-19 14:37:04,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-19 14:37:04,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-19 14:37:04,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-19 14:37:04,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-19 14:37:04,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-19 14:37:04,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-19 14:37:04,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-19 14:37:04,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-19 14:37:05,014 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2022-10-19 14:37:05,049 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-19 14:37:05,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-19 14:37:05,050 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-19 14:37:05,050 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-19 14:37:05,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-19 14:37:05,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-19 14:37:05,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-19 14:37:05,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-19 14:37:05,053 INFO L138 SettingsManager]: * Use SBE=true [2022-10-19 14:37:05,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-19 14:37:05,053 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-19 14:37:05,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-19 14:37:05,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-19 14:37:05,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-19 14:37:05,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-19 14:37:05,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-19 14:37:05,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-19 14:37:05,054 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-19 14:37:05,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-19 14:37:05,054 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-19 14:37:05,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-19 14:37:05,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-19 14:37:05,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-19 14:37:05,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-19 14:37:05,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-19 14:37:05,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-19 14:37:05,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-19 14:37:05,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-19 14:37:05,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-19 14:37:05,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-19 14:37:05,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-19 14:37:05,056 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-19 14:37:05,056 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-19 14:37:05,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-19 14:37:05,056 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-19 14:37:05,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-19 14:37:05,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-19 14:37:05,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-19 14:37:05,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-19 14:37:05,361 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-19 14:37:05,362 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-19 14:37:05,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk01/test-easy7.wvr.line176.bpl [2022-10-19 14:37:05,363 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk01/test-easy7.wvr.line176.bpl' [2022-10-19 14:37:05,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-19 14:37:05,401 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-19 14:37:05,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-19 14:37:05,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-19 14:37:05,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-19 14:37:05,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "test-easy7.wvr.line176.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:37:05" (1/1) ... [2022-10-19 14:37:05,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "test-easy7.wvr.line176.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:37:05" (1/1) ... [2022-10-19 14:37:05,432 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-19 14:37:05,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-19 14:37:05,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-19 14:37:05,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-19 14:37:05,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-19 14:37:05,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "test-easy7.wvr.line176.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:37:05" (1/1) ... [2022-10-19 14:37:05,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "test-easy7.wvr.line176.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:37:05" (1/1) ... [2022-10-19 14:37:05,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "test-easy7.wvr.line176.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:37:05" (1/1) ... [2022-10-19 14:37:05,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "test-easy7.wvr.line176.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:37:05" (1/1) ... [2022-10-19 14:37:05,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "test-easy7.wvr.line176.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:37:05" (1/1) ... [2022-10-19 14:37:05,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "test-easy7.wvr.line176.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:37:05" (1/1) ... [2022-10-19 14:37:05,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "test-easy7.wvr.line176.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:37:05" (1/1) ... [2022-10-19 14:37:05,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-19 14:37:05,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-19 14:37:05,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-19 14:37:05,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-19 14:37:05,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "test-easy7.wvr.line176.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:37:05" (1/1) ... [2022-10-19 14:37:05,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-19 14:37:05,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 14:37:05,501 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) [2022-10-19 14:37:05,506 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 [2022-10-19 14:37:05,531 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-19 14:37:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-19 14:37:05,531 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-19 14:37:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-19 14:37:05,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-19 14:37:05,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-19 14:37:05,532 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-19 14:37:05,600 INFO L234 CfgBuilder]: Building ICFG [2022-10-19 14:37:05,601 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-19 14:37:05,936 INFO L275 CfgBuilder]: Performing block encoding [2022-10-19 14:37:05,944 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-19 14:37:05,944 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-19 14:37:05,946 INFO L202 PluginConnector]: Adding new model test-easy7.wvr.line176.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:37:05 BoogieIcfgContainer [2022-10-19 14:37:05,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-19 14:37:05,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-19 14:37:05,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-19 14:37:05,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-19 14:37:05,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-easy7.wvr.line176.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:37:05" (1/2) ... [2022-10-19 14:37:05,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b96598b and model type test-easy7.wvr.line176.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:37:05, skipping insertion in model container [2022-10-19 14:37:05,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "test-easy7.wvr.line176.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:37:05" (2/2) ... [2022-10-19 14:37:05,952 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy7.wvr.line176.bpl [2022-10-19 14:37:05,957 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-19 14:37:05,964 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-19 14:37:05,964 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-19 14:37:05,964 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-19 14:37:06,047 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-10-19 14:37:06,121 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:37:06,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-19 14:37:06,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 14:37:06,123 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) [2022-10-19 14:37:06,124 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 [2022-10-19 14:37:06,156 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-19 14:37:06,162 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-19 14:37:06,167 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;@1a6f9fa1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:37:06,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-19 14:37:06,190 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-19 14:37:06,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 14:37:06,194 INFO L85 PathProgramCache]: Analyzing trace with hash 721476832, now seen corresponding path program 1 times [2022-10-19 14:37:06,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 14:37:06,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132555980] [2022-10-19 14:37:06,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 14:37:06,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 14:37:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 14:37:06,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 14:37:06,330 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 14:37:06,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132555980] [2022-10-19 14:37:06,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132555980] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 14:37:06,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 14:37:06,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-19 14:37:06,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603842347] [2022-10-19 14:37:06,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 14:37:06,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-19 14:37:06,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 14:37:06,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-19 14:37:06,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-19 14:37:06,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:37:06,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 14:37:06,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 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) [2022-10-19 14:37:06,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:37:06,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:37:06,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-19 14:37:06,368 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-19 14:37:06,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 14:37:06,370 INFO L85 PathProgramCache]: Analyzing trace with hash -634144326, now seen corresponding path program 1 times [2022-10-19 14:37:06,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 14:37:06,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731959165] [2022-10-19 14:37:06,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 14:37:06,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 14:37:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 14:37:06,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 14:37:06,550 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 14:37:06,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731959165] [2022-10-19 14:37:06,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731959165] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 14:37:06,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 14:37:06,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-19 14:37:06,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615287801] [2022-10-19 14:37:06,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 14:37:06,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-19 14:37:06,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 14:37:06,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-19 14:37:06,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-19 14:37:06,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:37:06,554 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 14:37:06,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 7 states have internal predecessors, (70), 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) [2022-10-19 14:37:06,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:37:06,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:37:06,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:37:06,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-19 14:37:06,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-19 14:37:06,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-19 14:37:06,695 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-10-19 14:37:06,697 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was SAFE (1/3) [2022-10-19 14:37:06,701 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:37:06,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-19 14:37:06,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 14:37:06,723 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-19 14:37:06,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-10-19 14:37:06,733 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-19 14:37:06,733 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-19 14:37:06,734 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;@1a6f9fa1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:37:06,734 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-19 14:37:06,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-19 14:37:06,773 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-19 14:37:06,773 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2022-10-19 14:37:06,776 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:37:06,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-19 14:37:06,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 14:37:06,778 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-19 14:37:06,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-10-19 14:37:06,782 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-19 14:37:06,782 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-19 14:37:06,783 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;@1a6f9fa1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:37:06,783 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-19 14:37:06,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-19 14:37:06,790 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-19 14:37:06,790 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/3) [2022-10-19 14:37:06,791 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-19 14:37:06,791 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-19 14:37:06,794 INFO L202 PluginConnector]: Adding new model test-easy7.wvr.line176.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 02:37:06 BasicIcfg [2022-10-19 14:37:06,794 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-19 14:37:06,795 INFO L158 Benchmark]: Toolchain (without parser) took 1394.22ms. Allocated memory is still 177.2MB. Free memory was 154.8MB in the beginning and 136.1MB in the end (delta: 18.6MB). Peak memory consumption was 18.4MB. Max. memory is 8.0GB. [2022-10-19 14:37:06,795 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 177.2MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-19 14:37:06,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.59ms. Allocated memory is still 177.2MB. Free memory was 154.8MB in the beginning and 153.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-19 14:37:06,796 INFO L158 Benchmark]: Boogie Preprocessor took 30.44ms. Allocated memory is still 177.2MB. Free memory was 153.2MB in the beginning and 151.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-19 14:37:06,796 INFO L158 Benchmark]: RCFGBuilder took 480.47ms. Allocated memory is still 177.2MB. Free memory was 151.9MB in the beginning and 137.2MB in the end (delta: 14.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-10-19 14:37:06,796 INFO L158 Benchmark]: TraceAbstraction took 847.05ms. Allocated memory is still 177.2MB. Free memory was 136.5MB in the beginning and 136.1MB in the end (delta: 370.0kB). Peak memory consumption was 540.0kB. Max. memory is 8.0GB. [2022-10-19 14:37:06,798 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 0.13ms. Allocated memory is still 177.2MB. Free memory is still 156.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.59ms. Allocated memory is still 177.2MB. Free memory was 154.8MB in the beginning and 153.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.44ms. Allocated memory is still 177.2MB. Free memory was 153.2MB in the beginning and 151.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 480.47ms. Allocated memory is still 177.2MB. Free memory was 151.9MB in the beginning and 137.2MB in the end (delta: 14.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 847.05ms. Allocated memory is still 177.2MB. Free memory was 136.5MB in the beginning and 136.1MB in the end (delta: 370.0kB). Peak memory consumption was 540.0kB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 3 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 179, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 178, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 178, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 178, positive: 178, positive conditional: 0, positive unconditional: 178, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 178, positive: 178, positive conditional: 0, positive unconditional: 178, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 178, positive: 178, positive conditional: 0, positive unconditional: 178, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 178, positive: 178, positive conditional: 0, positive unconditional: 178, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 178, positive: 178, positive conditional: 0, positive unconditional: 178, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 178, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 178, unknown conditional: 0, unknown unconditional: 178] , Statistics on independence cache: Total cache size (in pairs): 178, Positive cache size: 178, Positive conditional cache size: 0, Positive unconditional cache size: 178, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 1 - PositiveResult [Line: 176]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 5 procedures, 202 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, 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: 10, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 283 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 202 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 202 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-19 14:37:06,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2022-10-19 14:37:07,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-10-19 14:37:07,251 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 [2022-10-19 14:37:07,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...