/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-customized03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-21 19:01:33,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-21 19:01:33,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-21 19:01:33,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-21 19:01:34,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-21 19:01:34,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-21 19:01:34,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-21 19:01:34,006 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 19:01:34,038 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-21 19:01:34,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-21 19:01:34,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-21 19:01:34,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-21 19:01:34,041 INFO L138 SettingsManager]: * Use SBE=true [2021-08-21 19:01:34,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-21 19:01:34,042 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-21 19:01:34,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-21 19:01:34,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-21 19:01:34,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-21 19:01:34,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-21 19:01:34,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-21 19:01:34,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-21 19:01:34,043 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-21 19:01:34,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-21 19:01:34,043 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-21 19:01:34,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-21 19:01:34,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-21 19:01:34,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-21 19:01:34,044 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-21 19:01:34,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-21 19:01:34,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 19:01:34,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-21 19:01:34,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-21 19:01:34,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-21 19:01:34,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-21 19:01:34,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-21 19:01:34,045 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-21 19:01:34,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-21 19:01:34,045 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-08-21 19:01:34,045 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-21 19:01:34,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-21 19:01:34,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-21 19:01:34,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-21 19:01:34,320 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-21 19:01:34,321 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-21 19:01:34,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized03.bpl [2021-08-21 19:01:34,322 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-customized03.bpl' [2021-08-21 19:01:34,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-21 19:01:34,345 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-21 19:01:34,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-21 19:01:34,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-21 19:01:34,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-21 19:01:34,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:01:34" (1/1) ... [2021-08-21 19:01:34,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:01:34" (1/1) ... [2021-08-21 19:01:34,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-21 19:01:34,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-21 19:01:34,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-21 19:01:34,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-21 19:01:34,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:01:34" (1/1) ... [2021-08-21 19:01:34,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:01:34" (1/1) ... [2021-08-21 19:01:34,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:01:34" (1/1) ... [2021-08-21 19:01:34,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:01:34" (1/1) ... [2021-08-21 19:01:34,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:01:34" (1/1) ... [2021-08-21 19:01:34,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:01:34" (1/1) ... [2021-08-21 19:01:34,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:01:34" (1/1) ... [2021-08-21 19:01:34,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-21 19:01:34,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-21 19:01:34,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-21 19:01:34,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-21 19:01:34,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:01:34" (1/1) ... [2021-08-21 19:01:34,400 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 19:01:34,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 19:01:34,418 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 19:01:34,456 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 19:01:34,474 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-21 19:01:34,474 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-21 19:01:34,474 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-21 19:01:34,475 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-21 19:01:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-21 19:01:34,475 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-21 19:01:34,475 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-21 19:01:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-21 19:01:34,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-21 19:01:34,475 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-21 19:01:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-21 19:01:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-21 19:01:34,476 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 19:01:34,705 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-21 19:01:34,706 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-21 19:01:34,706 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-08-21 19:01:34,707 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-08-21 19:01:34,708 INFO L202 PluginConnector]: Adding new model bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:01:34 BoogieIcfgContainer [2021-08-21 19:01:34,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-21 19:01:34,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-21 19:01:34,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-21 19:01:34,711 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-21 19:01:34,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.08 07:01:34" (1/2) ... [2021-08-21 19:01:34,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11397d9d and model type bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 07:01:34, skipping insertion in model container [2021-08-21 19:01:34,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 07:01:34" (2/2) ... [2021-08-21 19:01:34,713 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-customized03.bpl [2021-08-21 19:01:34,733 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-21 19:01:34,733 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-21 19:01:34,733 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-21 19:01:34,734 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-21 19:01:34,780 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-21 19:01:34,833 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-21 19:01:34,839 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 19:01:34,839 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-21 19:01:35,145 INFO L276 IsEmpty]: Start isEmpty. Operand has 563 states, 470 states have (on average 1.946808510638298) internal successors, (915), 562 states have internal predecessors, (915), 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 19:01:35,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-08-21 19:01:35,158 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 19:01:35,158 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 19:01:35,159 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-08-21 19:01:35,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 19:01:35,165 INFO L82 PathProgramCache]: Analyzing trace with hash 2065938734, now seen corresponding path program 1 times [2021-08-21 19:01:35,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 19:01:35,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760921170] [2021-08-21 19:01:35,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 19:01:35,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 19:01:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 19:01:35,281 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 19:01:35,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 19:01:35,282 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760921170] [2021-08-21 19:01:35,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760921170] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 19:01:35,283 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 19:01:35,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-21 19:01:35,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234972146] [2021-08-21 19:01:35,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-21 19:01:35,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 19:01:35,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-21 19:01:35,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-21 19:01:35,301 INFO L87 Difference]: Start difference. First operand has 563 states, 470 states have (on average 1.946808510638298) internal successors, (915), 562 states have internal predecessors, (915), 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 4 states, 3 states have (on average 2.6666666666666665) 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 19:01:35,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 19:01:35,389 INFO L93 Difference]: Finished difference Result 1079 states and 1787 transitions. [2021-08-21 19:01:35,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-21 19:01:35,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) 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 19:01:35,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 19:01:35,409 INFO L225 Difference]: With dead ends: 1079 [2021-08-21 19:01:35,409 INFO L226 Difference]: Without dead ends: 606 [2021-08-21 19:01:35,410 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-21 19:01:35,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2021-08-21 19:01:35,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 507. [2021-08-21 19:01:35,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 485 states have (on average 2.428865979381443) internal successors, (1178), 506 states have internal predecessors, (1178), 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 19:01:35,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 1178 transitions. [2021-08-21 19:01:35,483 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 1178 transitions. Word has length 8 [2021-08-21 19:01:35,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 19:01:35,483 INFO L470 AbstractCegarLoop]: Abstraction has 507 states and 1178 transitions. [2021-08-21 19:01:35,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) 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 19:01:35,484 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 1178 transitions. [2021-08-21 19:01:35,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-08-21 19:01:35,485 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 19:01:35,485 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 19:01:35,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-21 19:01:35,485 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-08-21 19:01:35,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 19:01:35,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1092542895, now seen corresponding path program 1 times [2021-08-21 19:01:35,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 19:01:35,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422597501] [2021-08-21 19:01:35,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 19:01:35,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 19:01:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 19:01:35,525 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 19:01:35,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 19:01:35,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422597501] [2021-08-21 19:01:35,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422597501] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 19:01:35,526 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 19:01:35,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 19:01:35,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976157826] [2021-08-21 19:01:35,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 19:01:35,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 19:01:35,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 19:01:35,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 19:01:35,529 INFO L87 Difference]: Start difference. First operand 507 states and 1178 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 19:01:35,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 19:01:35,543 INFO L93 Difference]: Finished difference Result 470 states and 976 transitions. [2021-08-21 19:01:35,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 19:01:35,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2021-08-21 19:01:35,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 19:01:35,546 INFO L225 Difference]: With dead ends: 470 [2021-08-21 19:01:35,546 INFO L226 Difference]: Without dead ends: 311 [2021-08-21 19:01:35,547 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 19:01:35,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-08-21 19:01:35,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 306. [2021-08-21 19:01:35,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 285 states have (on average 2.1333333333333333) internal successors, (608), 305 states have internal predecessors, (608), 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 19:01:35,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 608 transitions. [2021-08-21 19:01:35,556 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 608 transitions. Word has length 10 [2021-08-21 19:01:35,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 19:01:35,556 INFO L470 AbstractCegarLoop]: Abstraction has 306 states and 608 transitions. [2021-08-21 19:01:35,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 19:01:35,556 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 608 transitions. [2021-08-21 19:01:35,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-21 19:01:35,557 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 19:01:35,557 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 19:01:35,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-21 19:01:35,558 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-08-21 19:01:35,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 19:01:35,558 INFO L82 PathProgramCache]: Analyzing trace with hash 660757878, now seen corresponding path program 1 times [2021-08-21 19:01:35,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 19:01:35,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296287625] [2021-08-21 19:01:35,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 19:01:35,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 19:01:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 19:01:35,623 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 19:01:35,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 19:01:35,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296287625] [2021-08-21 19:01:35,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296287625] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 19:01:35,623 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 19:01:35,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-21 19:01:35,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450796446] [2021-08-21 19:01:35,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-21 19:01:35,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 19:01:35,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-21 19:01:35,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-21 19:01:35,624 INFO L87 Difference]: Start difference. First operand 306 states and 608 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 19:01:35,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 19:01:35,669 INFO L93 Difference]: Finished difference Result 462 states and 974 transitions. [2021-08-21 19:01:35,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-21 19:01:35,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2021-08-21 19:01:35,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 19:01:35,671 INFO L225 Difference]: With dead ends: 462 [2021-08-21 19:01:35,671 INFO L226 Difference]: Without dead ends: 373 [2021-08-21 19:01:35,671 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.8ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-08-21 19:01:35,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2021-08-21 19:01:35,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 295. [2021-08-21 19:01:35,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 277 states have (on average 2.2382671480144403) internal successors, (620), 294 states have internal predecessors, (620), 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 19:01:35,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 620 transitions. [2021-08-21 19:01:35,679 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 620 transitions. Word has length 13 [2021-08-21 19:01:35,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 19:01:35,679 INFO L470 AbstractCegarLoop]: Abstraction has 295 states and 620 transitions. [2021-08-21 19:01:35,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 19:01:35,680 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 620 transitions. [2021-08-21 19:01:35,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-21 19:01:35,680 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 19:01:35,681 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 19:01:35,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-21 19:01:35,681 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-08-21 19:01:35,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 19:01:35,681 INFO L82 PathProgramCache]: Analyzing trace with hash 141475429, now seen corresponding path program 1 times [2021-08-21 19:01:35,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 19:01:35,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189814885] [2021-08-21 19:01:35,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 19:01:35,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 19:01:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 19:01:35,723 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 19:01:35,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 19:01:35,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189814885] [2021-08-21 19:01:35,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189814885] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 19:01:35,723 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 19:01:35,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-21 19:01:35,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882947463] [2021-08-21 19:01:35,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-21 19:01:35,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 19:01:35,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-21 19:01:35,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-08-21 19:01:35,725 INFO L87 Difference]: Start difference. First operand 295 states and 620 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 19:01:35,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 19:01:35,766 INFO L93 Difference]: Finished difference Result 187 states and 445 transitions. [2021-08-21 19:01:35,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-21 19:01:35,767 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 16 [2021-08-21 19:01:35,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 19:01:35,767 INFO L225 Difference]: With dead ends: 187 [2021-08-21 19:01:35,767 INFO L226 Difference]: Without dead ends: 0 [2021-08-21 19:01:35,767 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.0ms TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-08-21 19:01:35,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-21 19:01:35,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-21 19:01:35,768 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 19:01:35,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-21 19:01:35,768 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-08-21 19:01:35,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 19:01:35,768 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-21 19:01:35,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 19:01:35,768 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-21 19:01:35,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-21 19:01:35,770 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-21 19:01:35,770 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-21 19:01:35,770 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-21 19:01:35,771 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-21 19:01:35,771 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-21 19:01:35,771 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-21 19:01:35,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-21 19:01:35,775 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-21 19:01:35,775 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-21 19:01:35,776 INFO L202 PluginConnector]: Adding new model bluetooth-customized03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 07:01:35 BasicIcfg [2021-08-21 19:01:35,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-21 19:01:35,777 INFO L168 Benchmark]: Toolchain (without parser) took 1431.60 ms. Allocated memory is still 208.7 MB. Free memory was 188.0 MB in the beginning and 153.0 MB in the end (delta: 35.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 8.0 GB. [2021-08-21 19:01:35,778 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.38 ms. Allocated memory is still 208.7 MB. Free memory was 189.2 MB in the beginning and 189.1 MB in the end (delta: 63.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-21 19:01:35,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.43 ms. Allocated memory is still 208.7 MB. Free memory was 187.9 MB in the beginning and 186.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-21 19:01:35,779 INFO L168 Benchmark]: Boogie Preprocessor took 12.52 ms. Allocated memory is still 208.7 MB. Free memory was 186.1 MB in the beginning and 185.2 MB in the end (delta: 905.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-21 19:01:35,779 INFO L168 Benchmark]: RCFGBuilder took 313.63 ms. Allocated memory is still 208.7 MB. Free memory was 185.0 MB in the beginning and 170.9 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-21 19:01:35,779 INFO L168 Benchmark]: TraceAbstraction took 1067.07 ms. Allocated memory is still 208.7 MB. Free memory was 170.5 MB in the beginning and 153.0 MB in the end (delta: 17.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 8.0 GB. [2021-08-21 19:01:35,781 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 0.38 ms. Allocated memory is still 208.7 MB. Free memory was 189.2 MB in the beginning and 189.1 MB in the end (delta: 63.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 34.43 ms. Allocated memory is still 208.7 MB. Free memory was 187.9 MB in the beginning and 186.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.52 ms. Allocated memory is still 208.7 MB. Free memory was 186.1 MB in the beginning and 185.2 MB in the end (delta: 905.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 313.63 ms. Allocated memory is still 208.7 MB. Free memory was 185.0 MB in the beginning and 170.9 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1067.07 ms. Allocated memory is still 208.7 MB. Free memory was 170.5 MB in the beginning and 153.0 MB in the end (delta: 17.5 MB). Peak memory consumption was 18.3 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: 2349, positive: 1986, positive conditional: 1986, positive unconditional: 0, negative: 363, negative conditional: 363, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2208, positive: 1986, positive conditional: 0, positive unconditional: 1986, negative: 222, negative conditional: 0, negative unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 149, positive: 136, positive conditional: 0, positive unconditional: 136, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 149, positive: 115, positive conditional: 0, positive unconditional: 115, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2208, positive: 1850, positive conditional: 0, positive unconditional: 1850, negative: 209, negative conditional: 0, negative unconditional: 209, unknown: 149, unknown conditional: 0, unknown unconditional: 149] , Statistics on independence cache: Total cache size (in pairs): 149, Positive cache size: 136, Positive conditional cache size: 0, Positive unconditional cache size: 136, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Independence queries for same thread: 141 - 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: 36]: 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 8 procedures, 45 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 942.0ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 21.1ms, AutomataDifference: 232.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 300.4ms, PartialOrderReductionTime: 285.9ms, HoareTripleCheckerStatistics: 88 SDtfs, 82 SDslu, 97 SDs, 0 SdLazy, 128 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 94.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=563occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 80.7ms AutomataMinimizationTime, 4 MinimizatonAttempts, 182 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.4ms SsaConstructionTime, 59.2ms SatisfiabilityAnalysisTime, 131.2ms InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 111 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 19:01:35,814 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...