/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/LBE_bigexample_safe_BA.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 23:58:32,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 23:58:32,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 23:58:32,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-10 23:58:32,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-10 23:58:32,723 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 23:58:32,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 23:58:32,724 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 23:58:32,724 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 23:58:32,724 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 23:58:32,725 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 23:58:32,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 23:58:32,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 23:58:32,725 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 23:58:32,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 23:58:32,726 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 23:58:32,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 23:58:32,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 23:58:32,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 23:58:32,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 23:58:32,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 23:58:32,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 23:58:32,727 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 23:58:32,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 23:58:32,727 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 23:58:32,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 23:58:32,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 23:58:32,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 23:58:32,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 23:58:32,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 23:58:32,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:58:32,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 23:58:32,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 23:58:32,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 23:58:32,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 23:58:32,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 23:58:32,728 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 23:58:32,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 23:58:32,729 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 23:58:32,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 23:58:32,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 23:58:32,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 23:58:32,971 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-10 23:58:32,972 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-10 23:58:32,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/LBE_bigexample_safe_BA.bpl [2022-02-10 23:58:32,973 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/LBE_bigexample_safe_BA.bpl' [2022-02-10 23:58:32,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 23:58:32,988 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-10 23:58:32,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 23:58:32,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 23:58:32,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 23:58:32,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:58:32" (1/1) ... [2022-02-10 23:58:33,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:58:32" (1/1) ... [2022-02-10 23:58:33,009 INFO L137 Inliner]: procedures = 2, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-10 23:58:33,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 23:58:33,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 23:58:33,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 23:58:33,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 23:58:33,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:58:32" (1/1) ... [2022-02-10 23:58:33,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:58:32" (1/1) ... [2022-02-10 23:58:33,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:58:32" (1/1) ... [2022-02-10 23:58:33,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:58:32" (1/1) ... [2022-02-10 23:58:33,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:58:32" (1/1) ... [2022-02-10 23:58:33,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:58:32" (1/1) ... [2022-02-10 23:58:33,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:58:32" (1/1) ... [2022-02-10 23:58:33,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 23:58:33,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 23:58:33,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 23:58:33,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 23:58:33,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:58:32" (1/1) ... [2022-02-10 23:58:33,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:58:33,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:58:33,062 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) [2022-02-10 23:58:33,077 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 [2022-02-10 23:58:33,107 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2022-02-10 23:58:33,107 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2022-02-10 23:58:33,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 23:58:33,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 23:58:33,108 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 23:58:33,139 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 23:58:33,140 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 23:58:33,232 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 23:58:33,237 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 23:58:33,238 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 23:58:33,239 INFO L202 PluginConnector]: Adding new model LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:58:33 BoogieIcfgContainer [2022-02-10 23:58:33,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 23:58:33,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 23:58:33,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 23:58:33,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 23:58:33,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 11:58:32" (1/2) ... [2022-02-10 23:58:33,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e33f150 and model type LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:58:33, skipping insertion in model container [2022-02-10 23:58:33,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:58:33" (2/2) ... [2022-02-10 23:58:33,247 INFO L112 eAbstractionObserver]: Analyzing ICFG LBE_bigexample_safe_BA.bpl [2022-02-10 23:58:33,254 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 23:58:33,254 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 23:58:33,254 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2022-02-10 23:58:33,254 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 23:58:33,292 INFO L148 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2022-02-10 23:58:33,347 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 23:58:33,352 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 23:58:33,352 INFO L340 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2022-02-10 23:58:33,372 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 107 places, 106 transitions, 280 flow [2022-02-10 23:58:58,412 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 842822 states, 812823 states have (on average 4.729862466982357) internal successors, (3844541), 842821 states have internal predecessors, (3844541), 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) [2022-02-10 23:58:59,997 INFO L276 IsEmpty]: Start isEmpty. Operand has 842822 states, 812823 states have (on average 4.729862466982357) internal successors, (3844541), 842821 states have internal predecessors, (3844541), 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) [2022-02-10 23:59:00,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-02-10 23:59:00,002 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:59:00,002 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1] [2022-02-10 23:59:00,003 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting barErr0ASSERT_VIOLATIONASSERT === [barErr0ASSERT_VIOLATIONASSERT, barErr1ASSERT_VIOLATIONASSERT, barErr2ASSERT_VIOLATIONASSERT, barErr3ASSERT_VIOLATIONASSERT (and 47 more)] === [2022-02-10 23:59:00,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:59:00,007 INFO L85 PathProgramCache]: Analyzing trace with hash 73691, now seen corresponding path program 1 times [2022-02-10 23:59:00,013 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:59:00,013 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594228096] [2022-02-10 23:59:00,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:59:00,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:59:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:59:00,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:59:00,092 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:59:00,092 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594228096] [2022-02-10 23:59:00,093 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594228096] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:59:00,093 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:59:00,093 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-02-10 23:59:00,094 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098951559] [2022-02-10 23:59:00,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:59:00,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:59:00,097 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:59:03,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:59:03,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:59:05,352 INFO L87 Difference]: Start difference. First operand has 842822 states, 812823 states have (on average 4.729862466982357) internal successors, (3844541), 842821 states have internal predecessors, (3844541), 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-02-10 23:59:07,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:59:07,186 INFO L93 Difference]: Finished difference Result 51402 states and 216779 transitions. [2022-02-10 23:59:07,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:59:07,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) Word has length 3 [2022-02-10 23:59:07,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:59:07,202 INFO L225 Difference]: With dead ends: 51402 [2022-02-10 23:59:07,202 INFO L226 Difference]: Without dead ends: 0 [2022-02-10 23:59:07,203 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:59:07,206 INFO L934 BasicCegarLoop]: 5 mSDtfsCounter, 57 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-10 23:59:07,207 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 5 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-10 23:59:07,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-10 23:59:07,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-10 23:59:07,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-02-10 23:59:07,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-10 23:59:07,616 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2022-02-10 23:59:07,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:59:07,616 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-10 23:59:07,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-02-10 23:59:07,616 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-10 23:59:07,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-10 23:59:07,618 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr0ASSERT_VIOLATIONASSERT (50 of 51 remaining) [2022-02-10 23:59:07,619 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr1ASSERT_VIOLATIONASSERT (49 of 51 remaining) [2022-02-10 23:59:07,619 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr2ASSERT_VIOLATIONASSERT (48 of 51 remaining) [2022-02-10 23:59:07,619 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr3ASSERT_VIOLATIONASSERT (47 of 51 remaining) [2022-02-10 23:59:07,619 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr4ASSERT_VIOLATIONASSERT (46 of 51 remaining) [2022-02-10 23:59:07,620 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr5ASSERT_VIOLATIONASSERT (45 of 51 remaining) [2022-02-10 23:59:07,620 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr6ASSERT_VIOLATIONASSERT (44 of 51 remaining) [2022-02-10 23:59:07,620 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr7ASSERT_VIOLATIONASSERT (43 of 51 remaining) [2022-02-10 23:59:07,620 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr8ASSERT_VIOLATIONASSERT (42 of 51 remaining) [2022-02-10 23:59:07,620 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (41 of 51 remaining) [2022-02-10 23:59:07,620 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT (40 of 51 remaining) [2022-02-10 23:59:07,621 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (39 of 51 remaining) [2022-02-10 23:59:07,621 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (38 of 51 remaining) [2022-02-10 23:59:07,621 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (37 of 51 remaining) [2022-02-10 23:59:07,621 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION (36 of 51 remaining) [2022-02-10 23:59:07,621 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr0ASSERT_VIOLATIONASSERT (35 of 51 remaining) [2022-02-10 23:59:07,621 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr1ASSERT_VIOLATIONASSERT (34 of 51 remaining) [2022-02-10 23:59:07,621 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr2ASSERT_VIOLATIONASSERT (33 of 51 remaining) [2022-02-10 23:59:07,622 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr3ASSERT_VIOLATIONASSERT (32 of 51 remaining) [2022-02-10 23:59:07,622 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr4ASSERT_VIOLATIONASSERT (31 of 51 remaining) [2022-02-10 23:59:07,622 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr5ASSERT_VIOLATIONASSERT (30 of 51 remaining) [2022-02-10 23:59:07,622 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr6ASSERT_VIOLATIONASSERT (29 of 51 remaining) [2022-02-10 23:59:07,622 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr7ASSERT_VIOLATIONASSERT (28 of 51 remaining) [2022-02-10 23:59:07,622 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr8ASSERT_VIOLATIONASSERT (27 of 51 remaining) [2022-02-10 23:59:07,623 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr0ASSERT_VIOLATIONASSERT (26 of 51 remaining) [2022-02-10 23:59:07,623 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr1ASSERT_VIOLATIONASSERT (25 of 51 remaining) [2022-02-10 23:59:07,623 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr2ASSERT_VIOLATIONASSERT (24 of 51 remaining) [2022-02-10 23:59:07,623 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr3ASSERT_VIOLATIONASSERT (23 of 51 remaining) [2022-02-10 23:59:07,623 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr4ASSERT_VIOLATIONASSERT (22 of 51 remaining) [2022-02-10 23:59:07,624 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr5ASSERT_VIOLATIONASSERT (21 of 51 remaining) [2022-02-10 23:59:07,624 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr6ASSERT_VIOLATIONASSERT (20 of 51 remaining) [2022-02-10 23:59:07,624 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr7ASSERT_VIOLATIONASSERT (19 of 51 remaining) [2022-02-10 23:59:07,624 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr8ASSERT_VIOLATIONASSERT (18 of 51 remaining) [2022-02-10 23:59:07,624 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr0ASSERT_VIOLATIONASSERT (17 of 51 remaining) [2022-02-10 23:59:07,625 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr1ASSERT_VIOLATIONASSERT (16 of 51 remaining) [2022-02-10 23:59:07,625 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr2ASSERT_VIOLATIONASSERT (15 of 51 remaining) [2022-02-10 23:59:07,625 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr3ASSERT_VIOLATIONASSERT (14 of 51 remaining) [2022-02-10 23:59:07,625 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr4ASSERT_VIOLATIONASSERT (13 of 51 remaining) [2022-02-10 23:59:07,625 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr5ASSERT_VIOLATIONASSERT (12 of 51 remaining) [2022-02-10 23:59:07,625 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr6ASSERT_VIOLATIONASSERT (11 of 51 remaining) [2022-02-10 23:59:07,626 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr7ASSERT_VIOLATIONASSERT (10 of 51 remaining) [2022-02-10 23:59:07,626 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr8ASSERT_VIOLATIONASSERT (9 of 51 remaining) [2022-02-10 23:59:07,626 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr0ASSERT_VIOLATIONASSERT (8 of 51 remaining) [2022-02-10 23:59:07,626 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr1ASSERT_VIOLATIONASSERT (7 of 51 remaining) [2022-02-10 23:59:07,626 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr2ASSERT_VIOLATIONASSERT (6 of 51 remaining) [2022-02-10 23:59:07,627 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr3ASSERT_VIOLATIONASSERT (5 of 51 remaining) [2022-02-10 23:59:07,627 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr4ASSERT_VIOLATIONASSERT (4 of 51 remaining) [2022-02-10 23:59:07,627 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr5ASSERT_VIOLATIONASSERT (3 of 51 remaining) [2022-02-10 23:59:07,627 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr6ASSERT_VIOLATIONASSERT (2 of 51 remaining) [2022-02-10 23:59:07,627 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr7ASSERT_VIOLATIONASSERT (1 of 51 remaining) [2022-02-10 23:59:07,627 INFO L764 garLoopResultBuilder]: Registering result SAFE for location barErr8ASSERT_VIOLATIONASSERT (0 of 51 remaining) [2022-02-10 23:59:07,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 23:59:07,631 INFO L733 BasicCegarLoop]: Path program histogram: [1] [2022-02-10 23:59:07,634 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 23:59:07,634 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 23:59:07,668 INFO L202 PluginConnector]: Adding new model LBE_bigexample_safe_BA.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 11:59:07 BasicIcfg [2022-02-10 23:59:07,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 23:59:07,670 INFO L158 Benchmark]: Toolchain (without parser) took 34681.76ms. Allocated memory was 180.4MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 144.6MB in the beginning and 5.3GB in the end (delta: -5.2GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2022-02-10 23:59:07,670 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 180.4MB. Free memory is still 145.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 23:59:07,671 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.28ms. Allocated memory is still 180.4MB. Free memory was 144.6MB in the beginning and 143.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 23:59:07,671 INFO L158 Benchmark]: Boogie Preprocessor took 12.61ms. Allocated memory is still 180.4MB. Free memory was 143.0MB in the beginning and 142.1MB in the end (delta: 851.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-10 23:59:07,687 INFO L158 Benchmark]: RCFGBuilder took 214.38ms. Allocated memory is still 180.4MB. Free memory was 142.1MB in the beginning and 134.2MB in the end (delta: 7.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-02-10 23:59:07,688 INFO L158 Benchmark]: TraceAbstraction took 34428.68ms. Allocated memory was 180.4MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 133.7MB in the beginning and 5.3GB in the end (delta: -5.2GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2022-02-10 23:59:07,689 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 0.12ms. Allocated memory is still 180.4MB. Free memory is still 145.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.28ms. Allocated memory is still 180.4MB. Free memory was 144.6MB in the beginning and 143.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.61ms. Allocated memory is still 180.4MB. Free memory was 143.0MB in the beginning and 142.1MB in the end (delta: 851.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 214.38ms. Allocated memory is still 180.4MB. Free memory was 142.1MB in the beginning and 134.2MB in the end (delta: 7.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 34428.68ms. Allocated memory was 180.4MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 133.7MB in the beginning and 5.3GB in the end (delta: -5.2GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 35]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 36]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 37]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 38]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 39]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 40]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 41]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 42]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 43]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 23]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 24]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 6 procedures, 119 locations, 51 error locations. Started 1 CEGAR loops. OverallTime: 34.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.6s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 25.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 5 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=842822occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-10 23:59:07,721 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...