/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/chunk30/04-mutex_50-funptr_rc.line418.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 21:20:37,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-24 21:20:37,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-24 21:20:37,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-24 21:20:37,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2022-10-24 21:20:37,448 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 21:20:37,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 21:20:37,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 21:20:37,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 21:20:37,449 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 21:20:37,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 21:20:37,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 21:20:37,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 21:20:37,451 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 21:20:37,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 21:20:37,452 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 21:20:37,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 21:20:37,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 21:20:37,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 21:20:37,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 21:20:37,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 21:20:37,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 21:20:37,452 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 21:20:37,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 21:20:37,452 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 21:20:37,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 21:20:37,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 21:20:37,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 21:20:37,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 21:20:37,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 21:20:37,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 21:20:37,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 21:20:37,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 21:20:37,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 21:20:37,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 21:20:37,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 21:20:37,454 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 21:20:37,454 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 21:20:37,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 21:20:37,454 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 21:20:37,454 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 21:20:37,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 21:20:37,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 21:20:37,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 21:20:37,741 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 21:20:37,742 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 21:20:37,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk30/04-mutex_50-funptr_rc.line418.bpl [2022-10-24 21:20:37,743 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk30/04-mutex_50-funptr_rc.line418.bpl' [2022-10-24 21:20:37,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 21:20:37,783 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 21:20:37,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 21:20:37,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 21:20:37,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 21:20:37,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "04-mutex_50-funptr_rc.line418.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:20:37" (1/1) ... [2022-10-24 21:20:37,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "04-mutex_50-funptr_rc.line418.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:20:37" (1/1) ... [2022-10-24 21:20:37,823 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 21:20:37,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 21:20:37,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 21:20:37,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 21:20:37,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 21:20:37,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "04-mutex_50-funptr_rc.line418.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:20:37" (1/1) ... [2022-10-24 21:20:37,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "04-mutex_50-funptr_rc.line418.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:20:37" (1/1) ... [2022-10-24 21:20:37,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "04-mutex_50-funptr_rc.line418.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:20:37" (1/1) ... [2022-10-24 21:20:37,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "04-mutex_50-funptr_rc.line418.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:20:37" (1/1) ... [2022-10-24 21:20:37,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "04-mutex_50-funptr_rc.line418.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:20:37" (1/1) ... [2022-10-24 21:20:37,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "04-mutex_50-funptr_rc.line418.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:20:37" (1/1) ... [2022-10-24 21:20:37,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "04-mutex_50-funptr_rc.line418.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:20:37" (1/1) ... [2022-10-24 21:20:37,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 21:20:37,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 21:20:37,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 21:20:37,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 21:20:37,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "04-mutex_50-funptr_rc.line418.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:20:37" (1/1) ... [2022-10-24 21:20:37,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 21:20:37,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 21:20:37,886 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) [2022-10-24 21:20:37,890 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 [2022-10-24 21:20:37,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 21:20:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 21:20:37,918 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-24 21:20:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-24 21:20:37,919 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-24 21:20:38,049 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 21:20:38,050 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 21:20:38,284 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 21:20:38,291 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 21:20:38,292 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-24 21:20:38,293 INFO L202 PluginConnector]: Adding new model 04-mutex_50-funptr_rc.line418.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:20:38 BoogieIcfgContainer [2022-10-24 21:20:38,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 21:20:38,295 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 21:20:38,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 21:20:38,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 21:20:38,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "04-mutex_50-funptr_rc.line418.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 09:20:37" (1/2) ... [2022-10-24 21:20:38,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1393d2d3 and model type 04-mutex_50-funptr_rc.line418.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:20:38, skipping insertion in model container [2022-10-24 21:20:38,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "04-mutex_50-funptr_rc.line418.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:20:38" (2/2) ... [2022-10-24 21:20:38,298 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_50-funptr_rc.line418.bpl [2022-10-24 21:20:38,303 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 21:20:38,309 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 21:20:38,309 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 21:20:38,309 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 21:20:38,371 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-24 21:20:38,404 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 21:20:38,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 21:20:38,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 21:20:38,406 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) [2022-10-24 21:20:38,419 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 [2022-10-24 21:20:38,444 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 21:20:38,450 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 21:20:38,460 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;@3caae19f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 21:20:38,460 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 21:20:38,506 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 21:20:38,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 21:20:38,510 INFO L85 PathProgramCache]: Analyzing trace with hash 986214100, now seen corresponding path program 1 times [2022-10-24 21:20:38,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 21:20:38,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393348647] [2022-10-24 21:20:38,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 21:20:38,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 21:20:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 21:20:38,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 21:20:38,934 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 21:20:38,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393348647] [2022-10-24 21:20:38,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393348647] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 21:20:38,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 21:20:38,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-24 21:20:38,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220158509] [2022-10-24 21:20:38,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 21:20:38,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-24 21:20:38,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 21:20:38,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-24 21:20:38,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-24 21:20:38,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 21:20:38,998 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 21:20:39,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 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) [2022-10-24 21:20:39,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 21:20:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-24 21:20:39,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-24 21:20:39,069 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 21:20:39,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 21:20:39,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1681196985, now seen corresponding path program 1 times [2022-10-24 21:20:39,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 21:20:39,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648911170] [2022-10-24 21:20:39,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 21:20:39,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 21:20:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 21:20:39,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 21:20:39,303 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 21:20:39,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648911170] [2022-10-24 21:20:39,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648911170] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 21:20:39,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 21:20:39,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-24 21:20:39,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562664072] [2022-10-24 21:20:39,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 21:20:39,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-24 21:20:39,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 21:20:39,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-24 21:20:39,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-24 21:20:39,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 21:20:39,306 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 21:20:39,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 17.428571428571427) internal successors, (122), 8 states have internal predecessors, (122), 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) [2022-10-24 21:20:39,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-24 21:20:39,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 21:20:39,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-24 21:20:39,491 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: constants not yet supported at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.constructTransFormulaFromTerm(TransFormulaBuilder.java:408) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.constructTransFormulaFromPredicate(TransFormulaBuilder.java:401) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:187) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.containsLBool(SemanticIndependenceRelation.java:141) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:119) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:70) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.ArrayList$ArrayListSpliterator.tryAdvance(ArrayList.java:1632) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:70) at de.uni_freiburg.informatik.ultimate.automata.partialorder.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:120) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticConditionEliminator.contains(SemanticConditionEliminator.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticConditionEliminator.contains(SemanticConditionEliminator.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.ConditionTransformingIndependenceRelation.contains(ConditionTransformingIndependenceRelation.java:87) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DisjunctiveConditionalIndependenceRelation.contains(DisjunctiveConditionalIndependenceRelation.java:86) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DisjunctiveConditionalIndependenceRelation.contains(DisjunctiveConditionalIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.ConditionTransformingIndependenceRelation.contains(ConditionTransformingIndependenceRelation.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ThreadSeparatingIndependenceRelation.contains(ThreadSeparatingIndependenceRelation.java:74) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ThreadSeparatingIndependenceRelation.contains(ThreadSeparatingIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.MinimalSleepSetReduction.lambda$1(MinimalSleepSetReduction.java:165) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:176) at java.base/java.util.Iterator.forEachRemaining(Iterator.java:133) at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) at java.base/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:734) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:550) at java.base/java.util.stream.AbstractPipeline.evaluateToArrayNode(AbstractPipeline.java:260) at java.base/java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:517) at java.base/java.util.stream.ReferencePipeline.toArray(ReferencePipeline.java:523) at de.uni_freiburg.informatik.ultimate.automata.partialorder.MinimalSleepSetReduction.internalSuccessors(MinimalSleepSetReduction.java:165) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.(NestedIterator.java:62) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIteratorNoopConstruction.(NestedIteratorNoopConstruction.java:48) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$1(INwaOutgoingLetterAndTransitionProvider.java:124) at java.base/java.lang.Iterable.spliterator(Iterable.java:101) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:234) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:164) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:97) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:121) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:322) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:466) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-24 21:20:39,493 INFO L158 Benchmark]: Toolchain (without parser) took 1709.86ms. Allocated memory is still 179.3MB. Free memory was 156.9MB in the beginning and 119.8MB in the end (delta: 37.2MB). Peak memory consumption was 36.3MB. Max. memory is 8.0GB. [2022-10-24 21:20:39,494 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 179.3MB. Free memory was 159.3MB in the beginning and 159.2MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-24 21:20:39,494 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.18ms. Allocated memory is still 179.3MB. Free memory was 156.9MB in the beginning and 155.3MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-24 21:20:39,495 INFO L158 Benchmark]: Boogie Preprocessor took 39.68ms. Allocated memory is still 179.3MB. Free memory was 155.3MB in the beginning and 153.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-24 21:20:39,495 INFO L158 Benchmark]: RCFGBuilder took 427.57ms. Allocated memory is still 179.3MB. Free memory was 153.8MB in the beginning and 137.7MB in the end (delta: 16.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-10-24 21:20:39,495 INFO L158 Benchmark]: TraceAbstraction took 1198.08ms. Allocated memory is still 179.3MB. Free memory was 137.0MB in the beginning and 119.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. [2022-10-24 21:20:39,497 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 0.14ms. Allocated memory is still 179.3MB. Free memory was 159.3MB in the beginning and 159.2MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.18ms. Allocated memory is still 179.3MB. Free memory was 156.9MB in the beginning and 155.3MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.68ms. Allocated memory is still 179.3MB. Free memory was 155.3MB in the beginning and 153.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 427.57ms. Allocated memory is still 179.3MB. Free memory was 153.8MB in the beginning and 137.7MB in the end (delta: 16.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1198.08ms. Allocated memory is still 179.3MB. Free memory was 137.0MB in the beginning and 119.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: constants not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: constants not yet supported: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.constructTransFormulaFromTerm(TransFormulaBuilder.java:408) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-24 21:20:39,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-10-24 21:20:39,727 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...