/usr/bin/java -Xmx16000000000 -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-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bluetooth.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bc79526 [2022-01-18 15:36:37,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-18 15:36:37,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-18 15:36:37,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-18 15:36:37,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-18 15:36:37,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-18 15:36:37,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-18 15:36:37,860 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-Separate.epf [2022-01-18 15:36:37,885 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-18 15:36:37,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-18 15:36:37,885 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-18 15:36:37,885 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-18 15:36:37,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-18 15:36:37,886 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-18 15:36:37,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-18 15:36:37,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-18 15:36:37,886 INFO L138 SettingsManager]: * Use SBE=true [2022-01-18 15:36:37,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-18 15:36:37,886 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-18 15:36:37,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-18 15:36:37,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-18 15:36:37,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-18 15:36:37,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-18 15:36:37,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-18 15:36:37,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-18 15:36:37,887 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-18 15:36:37,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-18 15:36:37,887 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-18 15:36:37,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-18 15:36:37,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-18 15:36:37,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-18 15:36:37,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-18 15:36:37,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-18 15:36:37,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 15:36:37,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-18 15:36:37,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-18 15:36:37,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-18 15:36:37,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-18 15:36:37,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-18 15:36:37,888 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-18 15:36:37,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-18 15:36:37,889 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2022-01-18 15:36:37,889 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-18 15:36:38,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-18 15:36:38,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-18 15:36:38,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-18 15:36:38,074 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-01-18 15:36:38,074 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-01-18 15:36:38,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bluetooth.wvr.bpl [2022-01-18 15:36:38,075 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/bluetooth.wvr.bpl' [2022-01-18 15:36:38,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-18 15:36:38,094 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-18 15:36:38,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-18 15:36:38,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-18 15:36:38,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-18 15:36:38,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:36:38" (1/1) ... [2022-01-18 15:36:38,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:36:38" (1/1) ... [2022-01-18 15:36:38,113 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-01-18 15:36:38,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-18 15:36:38,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-18 15:36:38,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-18 15:36:38,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-18 15:36:38,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:36:38" (1/1) ... [2022-01-18 15:36:38,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:36:38" (1/1) ... [2022-01-18 15:36:38,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:36:38" (1/1) ... [2022-01-18 15:36:38,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:36:38" (1/1) ... [2022-01-18 15:36:38,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:36:38" (1/1) ... [2022-01-18 15:36:38,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:36:38" (1/1) ... [2022-01-18 15:36:38,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:36:38" (1/1) ... [2022-01-18 15:36:38,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-18 15:36:38,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-18 15:36:38,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-18 15:36:38,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-18 15:36:38,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:36:38" (1/1) ... [2022-01-18 15:36:38,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-18 15:36:38,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-18 15:36:38,155 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) [2022-01-18 15:36:38,173 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 [2022-01-18 15:36:38,194 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-01-18 15:36:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-18 15:36:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-18 15:36:38,195 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-01-18 15:36:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-18 15:36:38,195 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-18 15:36:38,195 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-01-18 15:36:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-18 15:36:38,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-18 15:36:38,195 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-18 15:36:38,242 INFO L234 CfgBuilder]: Building ICFG [2022-01-18 15:36:38,243 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-18 15:36:38,301 INFO L275 CfgBuilder]: Performing block encoding [2022-01-18 15:36:38,310 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-18 15:36:38,311 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-18 15:36:38,312 INFO L202 PluginConnector]: Adding new model bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 03:36:38 BoogieIcfgContainer [2022-01-18 15:36:38,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-18 15:36:38,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-18 15:36:38,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-18 15:36:38,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-18 15:36:38,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 03:36:38" (1/2) ... [2022-01-18 15:36:38,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@795b8e32 and model type bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.01 03:36:38, skipping insertion in model container [2022-01-18 15:36:38,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 03:36:38" (2/2) ... [2022-01-18 15:36:38,318 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth.wvr.bpl [2022-01-18 15:36:38,322 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-18 15:36:38,322 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-18 15:36:38,322 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-18 15:36:38,323 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-18 15:36:38,345 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-18 15:36:38,377 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-18 15:36:38,381 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 [2022-01-18 15:36:38,382 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-18 15:36:38,387 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 30 transitions, 76 flow [2022-01-18 15:36:38,404 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 72 states, 71 states have (on average 1.8873239436619718) internal successors, (134), 71 states have internal predecessors, (134), 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) [2022-01-18 15:36:38,406 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 71 states have (on average 1.8873239436619718) internal successors, (134), 71 states have internal predecessors, (134), 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) [2022-01-18 15:36:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-01-18 15:36:38,411 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 15:36:38,411 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 15:36:38,412 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 15:36:38,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 15:36:38,415 INFO L85 PathProgramCache]: Analyzing trace with hash 353851478, now seen corresponding path program 1 times [2022-01-18 15:36:38,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 15:36:38,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563410347] [2022-01-18 15:36:38,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 15:36:38,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 15:36:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 15:36:38,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 15:36:38,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 15:36:38,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563410347] [2022-01-18 15:36:38,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563410347] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 15:36:38,519 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 15:36:38,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-18 15:36:38,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454525060] [2022-01-18 15:36:38,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 15:36:38,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-18 15:36:38,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 15:36:38,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-18 15:36:38,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 15:36:38,554 INFO L87 Difference]: Start difference. First operand has 72 states, 71 states have (on average 1.8873239436619718) internal successors, (134), 71 states have internal predecessors, (134), 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, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-01-18 15:36:38,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 15:36:38,577 INFO L93 Difference]: Finished difference Result 93 states and 167 transitions. [2022-01-18 15:36:38,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-18 15:36:38,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2022-01-18 15:36:38,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 15:36:38,585 INFO L225 Difference]: With dead ends: 93 [2022-01-18 15:36:38,596 INFO L226 Difference]: Without dead ends: 90 [2022-01-18 15:36:38,597 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-18 15:36:38,600 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 2 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 15:36:38,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 36 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 15:36:38,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-01-18 15:36:38,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2022-01-18 15:36:38,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.813953488372093) internal successors, (156), 86 states have internal predecessors, (156), 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) [2022-01-18 15:36:38,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 156 transitions. [2022-01-18 15:36:38,626 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 156 transitions. Word has length 22 [2022-01-18 15:36:38,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 15:36:38,627 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 156 transitions. [2022-01-18 15:36:38,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-01-18 15:36:38,627 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 156 transitions. [2022-01-18 15:36:38,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-18 15:36:38,629 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 15:36:38,629 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 15:36:38,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-18 15:36:38,629 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 15:36:38,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 15:36:38,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1411723811, now seen corresponding path program 1 times [2022-01-18 15:36:38,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 15:36:38,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592039922] [2022-01-18 15:36:38,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 15:36:38,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 15:36:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 15:36:38,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 15:36:38,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 15:36:38,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592039922] [2022-01-18 15:36:38,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592039922] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 15:36:38,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 15:36:38,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-18 15:36:38,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084094123] [2022-01-18 15:36:38,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 15:36:38,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-18 15:36:38,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 15:36:38,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-18 15:36:38,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-18 15:36:38,661 INFO L87 Difference]: Start difference. First operand 87 states and 156 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-01-18 15:36:38,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 15:36:38,682 INFO L93 Difference]: Finished difference Result 100 states and 175 transitions. [2022-01-18 15:36:38,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-18 15:36:38,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 23 [2022-01-18 15:36:38,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 15:36:38,683 INFO L225 Difference]: With dead ends: 100 [2022-01-18 15:36:38,683 INFO L226 Difference]: Without dead ends: 31 [2022-01-18 15:36:38,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-18 15:36:38,684 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 15:36:38,684 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 45 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 15:36:38,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-01-18 15:36:38,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-01-18 15:36:38,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 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) [2022-01-18 15:36:38,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2022-01-18 15:36:38,687 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 23 [2022-01-18 15:36:38,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 15:36:38,688 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2022-01-18 15:36:38,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-01-18 15:36:38,688 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-01-18 15:36:38,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-18 15:36:38,688 INFO L506 BasicCegarLoop]: Found error trace [2022-01-18 15:36:38,688 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-18 15:36:38,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-18 15:36:38,689 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-18 15:36:38,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-18 15:36:38,689 INFO L85 PathProgramCache]: Analyzing trace with hash -304497587, now seen corresponding path program 1 times [2022-01-18 15:36:38,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-18 15:36:38,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093515935] [2022-01-18 15:36:38,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-18 15:36:38,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-18 15:36:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-18 15:36:38,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-18 15:36:38,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-18 15:36:38,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093515935] [2022-01-18 15:36:38,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093515935] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-18 15:36:38,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-18 15:36:38,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-18 15:36:38,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205171002] [2022-01-18 15:36:38,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-18 15:36:38,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-18 15:36:38,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-18 15:36:38,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-18 15:36:38,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-18 15:36:38,751 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-01-18 15:36:38,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-18 15:36:38,773 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2022-01-18 15:36:38,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-18 15:36:38,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 23 [2022-01-18 15:36:38,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-18 15:36:38,774 INFO L225 Difference]: With dead ends: 29 [2022-01-18 15:36:38,774 INFO L226 Difference]: Without dead ends: 0 [2022-01-18 15:36:38,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-18 15:36:38,775 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 18 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-18 15:36:38,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 28 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-18 15:36:38,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-18 15:36:38,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-18 15:36:38,776 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) [2022-01-18 15:36:38,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-18 15:36:38,776 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2022-01-18 15:36:38,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-18 15:36:38,776 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-18 15:36:38,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-01-18 15:36:38,776 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-18 15:36:38,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-18 15:36:38,778 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-01-18 15:36:38,778 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-18 15:36:38,779 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-18 15:36:38,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-18 15:36:38,781 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-18 15:36:38,782 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-18 15:36:38,782 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-18 15:36:38,784 INFO L202 PluginConnector]: Adding new model bluetooth.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.01 03:36:38 BasicIcfg [2022-01-18 15:36:38,784 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-18 15:36:38,784 INFO L158 Benchmark]: Toolchain (without parser) took 690.53ms. Allocated memory is still 339.7MB. Free memory was 300.6MB in the beginning and 310.9MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 15:36:38,785 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 339.7MB. Free memory was 301.7MB in the beginning and 301.5MB in the end (delta: 162.3kB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 15:36:38,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.27ms. Allocated memory is still 339.7MB. Free memory was 300.6MB in the beginning and 298.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 15:36:38,785 INFO L158 Benchmark]: Boogie Preprocessor took 10.90ms. Allocated memory is still 339.7MB. Free memory was 298.9MB in the beginning and 298.2MB in the end (delta: 773.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-18 15:36:38,786 INFO L158 Benchmark]: RCFGBuilder took 185.51ms. Allocated memory is still 339.7MB. Free memory was 298.0MB in the beginning and 289.2MB in the end (delta: 8.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. [2022-01-18 15:36:38,786 INFO L158 Benchmark]: TraceAbstraction took 470.21ms. Allocated memory is still 339.7MB. Free memory was 288.7MB in the beginning and 310.9MB in the end (delta: -22.1MB). There was no memory consumed. Max. memory is 16.0GB. [2022-01-18 15:36:38,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 339.7MB. Free memory was 301.7MB in the beginning and 301.5MB in the end (delta: 162.3kB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 20.27ms. Allocated memory is still 339.7MB. Free memory was 300.6MB in the beginning and 298.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 10.90ms. Allocated memory is still 339.7MB. Free memory was 298.9MB in the beginning and 298.2MB in the end (delta: 773.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 185.51ms. Allocated memory is still 339.7MB. Free memory was 298.0MB in the beginning and 289.2MB in the end (delta: 8.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. * TraceAbstraction took 470.21ms. Allocated memory is still 339.7MB. Free memory was 288.7MB in the beginning and 310.9MB in the end (delta: -22.1MB). There was no memory consumed. Max. memory is 16.0GB. * 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: 57]: 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 5 procedures, 45 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 109 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 60 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=1, InterpolantAutomatonStates: 12, 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, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-18 15:36:38,830 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...