/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-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-21 19:00:46,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-21 19:00:46,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-21 19:00:46,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-21 19:00:46,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-21 19:00:46,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-21 19:00:46,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-21 19:00:46,442 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-Delay.epf [2021-08-21 19:00:46,481 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-21 19:00:46,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-21 19:00:46,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-21 19:00:46,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-21 19:00:46,483 INFO L138 SettingsManager]: * Use SBE=true [2021-08-21 19:00:46,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-21 19:00:46,483 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-21 19:00:46,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-21 19:00:46,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-21 19:00:46,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-21 19:00:46,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-21 19:00:46,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-21 19:00:46,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-21 19:00:46,484 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-21 19:00:46,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-21 19:00:46,485 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-21 19:00:46,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-21 19:00:46,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-21 19:00:46,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-21 19:00:46,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-21 19:00:46,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-21 19:00:46,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 19:00:46,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-21 19:00:46,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-21 19:00:46,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-21 19:00:46,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-21 19:00:46,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-21 19:00:46,486 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-21 19:00:46,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-21 19:00:46,487 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-08-21 19:00:46,487 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-21 19:00:46,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-21 19:00:46,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-21 19:00:46,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-21 19:00:46,839 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-21 19:00:46,841 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-21 19:00:46,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct02.bpl [2021-08-21 19:00:46,844 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct02.bpl' [2021-08-21 19:00:46,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-21 19:00:46,875 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-21 19:00:46,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-21 19:00:46,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-21 19:00:46,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-21 19:00:46,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:00:46" (1/1) ... [2021-08-21 19:00:46,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:00:46" (1/1) ... [2021-08-21 19:00:46,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-21 19:00:46,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-21 19:00:46,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-21 19:00:46,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-21 19:00:46,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:00:46" (1/1) ... [2021-08-21 19:00:46,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:00:46" (1/1) ... [2021-08-21 19:00:46,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:00:46" (1/1) ... [2021-08-21 19:00:46,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:00:46" (1/1) ... [2021-08-21 19:00:46,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:00:46" (1/1) ... [2021-08-21 19:00:46,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:00:46" (1/1) ... [2021-08-21 19:00:46,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:00:46" (1/1) ... [2021-08-21 19:00:46,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-21 19:00:46,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-21 19:00:46,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-21 19:00:46,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-21 19:00:46,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:00:46" (1/1) ... [2021-08-21 19:00:46,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 19:00:46,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 19:00:46,958 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) [2021-08-21 19:00:46,961 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 [2021-08-21 19:00:46,999 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-21 19:00:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-21 19:00:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-21 19:00:46,999 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-21 19:00:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-21 19:00:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-21 19:00:47,000 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-21 19:00:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-21 19:00:47,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-21 19:00:47,001 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-21 19:00:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-21 19:00:47,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-21 19:00:47,002 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-21 19:00:47,213 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-21 19:00:47,213 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-21 19:00:47,214 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-08-21 19:00:47,214 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-08-21 19:00:47,216 INFO L202 PluginConnector]: Adding new model bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:00:47 BoogieIcfgContainer [2021-08-21 19:00:47,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-21 19:00:47,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-21 19:00:47,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-21 19:00:47,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-21 19:00:47,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:00:46" (1/2) ... [2021-08-21 19:00:47,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e1ccff and model type bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 07:00:47, skipping insertion in model container [2021-08-21 19:00:47,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:00:47" (2/2) ... [2021-08-21 19:00:47,223 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct02.bpl [2021-08-21 19:00:47,228 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-21 19:00:47,228 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-21 19:00:47,229 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-21 19:00:47,229 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-21 19:00:47,276 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-21 19:00:47,350 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-21 19:00:47,356 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, mConcurrency=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 [2021-08-21 19:00:47,357 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-21 19:00:47,558 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 155 states have (on average 1.729032258064516) internal successors, (268), 184 states have internal predecessors, (268), 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) [2021-08-21 19:00:47,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-08-21 19:00:47,563 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 19:00:47,563 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 19:00:47,564 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-21 19:00:47,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 19:00:47,568 INFO L82 PathProgramCache]: Analyzing trace with hash 2066831567, now seen corresponding path program 1 times [2021-08-21 19:00:47,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 19:00:47,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92498345] [2021-08-21 19:00:47,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 19:00:47,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 19:00:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 19:00:47,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 19:00:47,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 19:00:47,772 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92498345] [2021-08-21 19:00:47,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92498345] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 19:00:47,773 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 19:00:47,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-21 19:00:47,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279820110] [2021-08-21 19:00:47,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 19:00:47,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 19:00:47,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 19:00:47,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 19:00:47,796 INFO L87 Difference]: Start difference. First operand has 185 states, 155 states have (on average 1.729032258064516) internal successors, (268), 184 states have internal predecessors, (268), 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 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-08-21 19:00:47,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 19:00:47,833 INFO L93 Difference]: Finished difference Result 157 states and 214 transitions. [2021-08-21 19:00:47,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 19:00:47,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2021-08-21 19:00:47,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 19:00:47,845 INFO L225 Difference]: With dead ends: 157 [2021-08-21 19:00:47,845 INFO L226 Difference]: Without dead ends: 97 [2021-08-21 19:00:47,847 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 19:00:47,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-08-21 19:00:47,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2021-08-21 19:00:47,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 90 states have (on average 1.7) internal successors, (153), 96 states have internal predecessors, (153), 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) [2021-08-21 19:00:47,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 153 transitions. [2021-08-21 19:00:47,897 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 153 transitions. Word has length 8 [2021-08-21 19:00:47,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 19:00:47,897 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 153 transitions. [2021-08-21 19:00:47,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-08-21 19:00:47,897 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 153 transitions. [2021-08-21 19:00:47,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-21 19:00:47,899 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 19:00:47,900 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 19:00:47,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-21 19:00:47,900 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-21 19:00:47,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 19:00:47,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1588331085, now seen corresponding path program 1 times [2021-08-21 19:00:47,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 19:00:47,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382597396] [2021-08-21 19:00:47,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 19:00:47,905 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 19:00:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 19:00:48,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 19:00:48,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 19:00:48,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382597396] [2021-08-21 19:00:48,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382597396] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 19:00:48,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 19:00:48,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-21 19:00:48,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107092894] [2021-08-21 19:00:48,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-21 19:00:48,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 19:00:48,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-21 19:00:48,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-08-21 19:00:48,020 INFO L87 Difference]: Start difference. First operand 97 states and 153 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-08-21 19:00:48,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 19:00:48,083 INFO L93 Difference]: Finished difference Result 173 states and 296 transitions. [2021-08-21 19:00:48,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-21 19:00:48,084 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2021-08-21 19:00:48,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 19:00:48,092 INFO L225 Difference]: With dead ends: 173 [2021-08-21 19:00:48,093 INFO L226 Difference]: Without dead ends: 173 [2021-08-21 19:00:48,094 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 28.4ms TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-08-21 19:00:48,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-08-21 19:00:48,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 142. [2021-08-21 19:00:48,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 135 states have (on average 1.9481481481481482) internal successors, (263), 141 states have internal predecessors, (263), 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) [2021-08-21 19:00:48,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 263 transitions. [2021-08-21 19:00:48,114 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 263 transitions. Word has length 12 [2021-08-21 19:00:48,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 19:00:48,115 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 263 transitions. [2021-08-21 19:00:48,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2021-08-21 19:00:48,115 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 263 transitions. [2021-08-21 19:00:48,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-21 19:00:48,116 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 19:00:48,116 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 19:00:48,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-21 19:00:48,117 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-21 19:00:48,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 19:00:48,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1789420335, now seen corresponding path program 2 times [2021-08-21 19:00:48,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 19:00:48,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523037526] [2021-08-21 19:00:48,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 19:00:48,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 19:00:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 19:00:48,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 19:00:48,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 19:00:48,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523037526] [2021-08-21 19:00:48,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523037526] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 19:00:48,142 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 19:00:48,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 19:00:48,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973960689] [2021-08-21 19:00:48,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 19:00:48,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 19:00:48,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 19:00:48,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 19:00:48,144 INFO L87 Difference]: Start difference. First operand 142 states and 263 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-08-21 19:00:48,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 19:00:48,151 INFO L93 Difference]: Finished difference Result 133 states and 231 transitions. [2021-08-21 19:00:48,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 19:00:48,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2021-08-21 19:00:48,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 19:00:48,152 INFO L225 Difference]: With dead ends: 133 [2021-08-21 19:00:48,152 INFO L226 Difference]: Without dead ends: 81 [2021-08-21 19:00:48,153 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 19:00:48,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-08-21 19:00:48,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2021-08-21 19:00:48,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 75 states have (on average 1.72) internal successors, (129), 80 states have internal predecessors, (129), 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) [2021-08-21 19:00:48,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 129 transitions. [2021-08-21 19:00:48,158 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 129 transitions. Word has length 12 [2021-08-21 19:00:48,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 19:00:48,159 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 129 transitions. [2021-08-21 19:00:48,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-08-21 19:00:48,159 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 129 transitions. [2021-08-21 19:00:48,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-21 19:00:48,160 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 19:00:48,160 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 19:00:48,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-21 19:00:48,160 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-08-21 19:00:48,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 19:00:48,161 INFO L82 PathProgramCache]: Analyzing trace with hash 2108990487, now seen corresponding path program 1 times [2021-08-21 19:00:48,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 19:00:48,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653757853] [2021-08-21 19:00:48,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 19:00:48,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 19:00:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 19:00:48,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 19:00:48,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 19:00:48,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653757853] [2021-08-21 19:00:48,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653757853] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 19:00:48,260 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 19:00:48,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-21 19:00:48,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241676159] [2021-08-21 19:00:48,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-21 19:00:48,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 19:00:48,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-21 19:00:48,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-08-21 19:00:48,262 INFO L87 Difference]: Start difference. First operand 81 states and 129 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 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) [2021-08-21 19:00:48,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 19:00:48,312 INFO L93 Difference]: Finished difference Result 57 states and 105 transitions. [2021-08-21 19:00:48,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 19:00:48,313 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 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 15 [2021-08-21 19:00:48,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 19:00:48,313 INFO L225 Difference]: With dead ends: 57 [2021-08-21 19:00:48,313 INFO L226 Difference]: Without dead ends: 0 [2021-08-21 19:00:48,313 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 41.9ms TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-08-21 19:00:48,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-21 19:00:48,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-21 19:00:48,314 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) [2021-08-21 19:00:48,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-21 19:00:48,314 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2021-08-21 19:00:48,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 19:00:48,314 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-21 19:00:48,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 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) [2021-08-21 19:00:48,315 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-21 19:00:48,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-21 19:00:48,317 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-21 19:00:48,318 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-21 19:00:48,318 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-21 19:00:48,318 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-21 19:00:48,318 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-21 19:00:48,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-21 19:00:48,323 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-21 19:00:48,324 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-21 19:00:48,325 INFO L202 PluginConnector]: Adding new model bluetooth-correct02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 07:00:48 BasicIcfg [2021-08-21 19:00:48,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-21 19:00:48,327 INFO L168 Benchmark]: Toolchain (without parser) took 1450.95 ms. Allocated memory is still 187.7 MB. Free memory was 168.4 MB in the beginning and 119.4 MB in the end (delta: 49.0 MB). Peak memory consumption was 48.6 MB. Max. memory is 8.0 GB. [2021-08-21 19:00:48,327 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.57 ms. Allocated memory is still 187.7 MB. Free memory is still 169.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-21 19:00:48,328 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.89 ms. Allocated memory is still 187.7 MB. Free memory was 168.4 MB in the beginning and 166.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-21 19:00:48,329 INFO L168 Benchmark]: Boogie Preprocessor took 15.22 ms. Allocated memory is still 187.7 MB. Free memory was 166.5 MB in the beginning and 165.6 MB in the end (delta: 907.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-21 19:00:48,332 INFO L168 Benchmark]: RCFGBuilder took 284.14 ms. Allocated memory is still 187.7 MB. Free memory was 165.6 MB in the beginning and 150.6 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-21 19:00:48,334 INFO L168 Benchmark]: TraceAbstraction took 1108.05 ms. Allocated memory is still 187.7 MB. Free memory was 150.1 MB in the beginning and 119.4 MB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 8.0 GB. [2021-08-21 19:00:48,342 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 0.57 ms. Allocated memory is still 187.7 MB. Free memory is still 169.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 37.89 ms. Allocated memory is still 187.7 MB. Free memory was 168.4 MB in the beginning and 166.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.22 ms. Allocated memory is still 187.7 MB. Free memory was 166.5 MB in the beginning and 165.6 MB in the end (delta: 907.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 284.14 ms. Allocated memory is still 187.7 MB. Free memory was 165.6 MB in the beginning and 150.6 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1108.05 ms. Allocated memory is still 187.7 MB. Free memory was 150.1 MB in the beginning and 119.4 MB in the end (delta: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 499, positive: 432, positive conditional: 432, positive unconditional: 0, negative: 67, negative conditional: 67, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 462, positive: 432, positive conditional: 0, positive unconditional: 432, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 89, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 89, positive: 75, positive conditional: 0, positive unconditional: 75, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 462, positive: 348, positive conditional: 0, positive unconditional: 348, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 89, unknown conditional: 0, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Independence queries for same thread: 37 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 40 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 972.7ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 11.5ms, AutomataDifference: 206.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 198.4ms, PartialOrderReductionTime: 168.1ms, HoareTripleCheckerStatistics: 77 SDtfs, 64 SDslu, 55 SDs, 0 SdLazy, 47 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 74.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 84.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 64.0ms AutomataMinimizationTime, 4 MinimizatonAttempts, 31 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.6ms SsaConstructionTime, 33.9ms SatisfiabilityAnalysisTime, 265.0ms InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2021-08-21 19:00:48,381 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...