/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-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct09.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-06 23:21:41,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-06 23:21:41,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-06 23:21:41,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-06 23:21:41,399 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-POR-NewStatesSleep-NoLbe.epf [2021-08-06 23:21:41,423 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-06 23:21:41,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-06 23:21:41,424 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-06 23:21:41,424 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-06 23:21:41,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-06 23:21:41,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-06 23:21:41,426 INFO L138 SettingsManager]: * Use SBE=true [2021-08-06 23:21:41,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-06 23:21:41,426 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-06 23:21:41,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-06 23:21:41,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-06 23:21:41,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-06 23:21:41,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-06 23:21:41,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-06 23:21:41,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-06 23:21:41,428 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-06 23:21:41,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-06 23:21:41,428 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-06 23:21:41,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-06 23:21:41,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-06 23:21:41,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-06 23:21:41,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-06 23:21:41,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-06 23:21:41,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-06 23:21:41,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-06 23:21:41,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-06 23:21:41,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-06 23:21:41,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-06 23:21:41,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-06 23:21:41,429 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-06 23:21:41,429 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-06 23:21:41,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-06 23:21:41,429 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-06 23:21:41,430 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-06 23:21:41,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-06 23:21:41,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-06 23:21:41,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-06 23:21:41,737 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-06 23:21:41,738 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-06 23:21:41,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct09.bpl [2021-08-06 23:21:41,739 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct09.bpl' [2021-08-06 23:21:41,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-06 23:21:41,756 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-06 23:21:41,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-06 23:21:41,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-06 23:21:41,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-06 23:21:41,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:21:41" (1/1) ... [2021-08-06 23:21:41,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:21:41" (1/1) ... [2021-08-06 23:21:41,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-06 23:21:41,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-06 23:21:41,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-06 23:21:41,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-06 23:21:41,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:21:41" (1/1) ... [2021-08-06 23:21:41,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:21:41" (1/1) ... [2021-08-06 23:21:41,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:21:41" (1/1) ... [2021-08-06 23:21:41,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:21:41" (1/1) ... [2021-08-06 23:21:41,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:21:41" (1/1) ... [2021-08-06 23:21:41,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:21:41" (1/1) ... [2021-08-06 23:21:41,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:21:41" (1/1) ... [2021-08-06 23:21:41,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-06 23:21:41,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-06 23:21:41,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-06 23:21:41,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-06 23:21:41,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:21:41" (1/1) ... [2021-08-06 23:21:41,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-06 23:21:41,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 23:21:41,811 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) [2021-08-06 23:21:41,828 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 [2021-08-06 23:21:41,845 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-06 23:21:41,845 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-06 23:21:41,846 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-06 23:21:41,846 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-06 23:21:41,846 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-06 23:21:41,846 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-06 23:21:41,846 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-06 23:21:41,846 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-06 23:21:41,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-06 23:21:41,847 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-06 23:21:41,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-06 23:21:41,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-06 23:21:41,848 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-06 23:21:42,068 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-06 23:21:42,069 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-06 23:21:42,069 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-08-06 23:21:42,069 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-08-06 23:21:42,070 INFO L202 PluginConnector]: Adding new model bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 11:21:42 BoogieIcfgContainer [2021-08-06 23:21:42,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-06 23:21:42,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-06 23:21:42,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-06 23:21:42,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-06 23:21:42,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 11:21:41" (1/2) ... [2021-08-06 23:21:42,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436bb037 and model type bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 11:21:42, skipping insertion in model container [2021-08-06 23:21:42,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 11:21:42" (2/2) ... [2021-08-06 23:21:42,075 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct09.bpl [2021-08-06 23:21:42,078 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-06 23:21:42,078 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-06 23:21:42,078 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-06 23:21:42,078 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-06 23:21:42,130 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-06 23:21:42,189 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-06 23:21:42,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 23:21:42,190 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-06 23:21:42,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-06 23:21:42,230 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-06 23:21:42,236 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-06 23:21:42,236 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-08-06 23:22:05,901 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-06 23:22:05,902 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-06 23:22:05,908 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-06 23:22:05,908 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-06 23:22:05,909 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-06 23:22:05,909 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-06 23:22:05,909 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-06 23:22:05,909 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION [2021-08-06 23:22:05,913 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATION [2021-08-06 23:22:05,914 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9INUSE_VIOLATION [2021-08-06 23:22:05,925 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-08-06 23:22:05,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-06 23:22:05,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 23:22:05,941 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-06 23:22:05,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-08-06 23:22:05,949 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-08-06 23:22:05,950 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-06 23:22:05,950 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-06 23:22:05,954 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-06 23:22:05,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 23:22:05,967 INFO L82 PathProgramCache]: Analyzing trace with hash -2071968208, now seen corresponding path program 1 times [2021-08-06 23:22:05,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 23:22:05,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213101860] [2021-08-06 23:22:05,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 23:22:05,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 23:22:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 23:22:06,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 23:22:06,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 23:22:06,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213101860] [2021-08-06 23:22:06,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213101860] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 23:22:06,128 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 23:22:06,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-06 23:22:06,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177228174] [2021-08-06 23:22:06,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-06 23:22:06,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 23:22:06,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-06 23:22:06,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-06 23:22:06,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:22:06,156 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 23:22:06,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2021-08-06 23:22:06,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:22:06,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:22:06,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-06 23:22:06,934 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-06 23:22:06,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 23:22:06,935 INFO L82 PathProgramCache]: Analyzing trace with hash 787535618, now seen corresponding path program 1 times [2021-08-06 23:22:06,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 23:22:06,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980986413] [2021-08-06 23:22:06,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 23:22:06,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 23:22:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 23:22:06,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 23:22:06,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 23:22:06,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980986413] [2021-08-06 23:22:06,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980986413] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 23:22:06,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 23:22:06,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-06 23:22:06,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269779540] [2021-08-06 23:22:06,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-06 23:22:06,949 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 23:22:06,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-06 23:22:06,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-06 23:22:06,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:22:06,950 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 23:22:06,950 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) [2021-08-06 23:22:06,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:22:06,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:22:07,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:22:07,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:22:07,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-06 23:22:07,140 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-06 23:22:07,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 23:22:07,140 INFO L82 PathProgramCache]: Analyzing trace with hash -79650008, now seen corresponding path program 1 times [2021-08-06 23:22:07,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 23:22:07,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86947030] [2021-08-06 23:22:07,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 23:22:07,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 23:22:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 23:22:07,267 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-06 23:22:07,268 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 23:22:07,268 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86947030] [2021-08-06 23:22:07,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86947030] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 23:22:07,268 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 23:22:07,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-06 23:22:07,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528736590] [2021-08-06 23:22:07,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-06 23:22:07,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 23:22:07,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-06 23:22:07,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-08-06 23:22:07,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:22:07,270 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-06 23:22:07,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 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) [2021-08-06 23:22:07,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:22:07,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:22:07,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-06 23:22:25,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:22:25,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 23:22:25,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-06 23:22:25,081 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-06 23:22:25,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-06 23:22:25,085 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-08-06 23:22:25,085 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-06 23:22:25,085 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-06 23:22:25,096 INFO L202 PluginConnector]: Adding new model bluetooth-correct09.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.08 11:22:25 BasicIcfg [2021-08-06 23:22:25,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-06 23:22:25,097 INFO L168 Benchmark]: Toolchain (without parser) took 43341.12 ms. Allocated memory was 189.8 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 169.6 MB in the beginning and 5.7 GB in the end (delta: -5.6 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2021-08-06 23:22:25,097 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 189.8 MB. Free memory is still 170.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-06 23:22:25,098 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.66 ms. Allocated memory is still 189.8 MB. Free memory was 169.5 MB in the beginning and 167.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-06 23:22:25,098 INFO L168 Benchmark]: Boogie Preprocessor took 10.28 ms. Allocated memory is still 189.8 MB. Free memory was 167.6 MB in the beginning and 166.7 MB in the end (delta: 928.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-06 23:22:25,099 INFO L168 Benchmark]: RCFGBuilder took 278.78 ms. Allocated memory is still 189.8 MB. Free memory was 166.7 MB in the beginning and 151.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-08-06 23:22:25,099 INFO L168 Benchmark]: TraceAbstraction took 43024.84 ms. Allocated memory was 189.8 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 150.6 MB in the beginning and 5.7 GB in the end (delta: -5.6 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2021-08-06 23:22:25,100 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 0.11 ms. Allocated memory is still 189.8 MB. Free memory is still 170.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.66 ms. Allocated memory is still 189.8 MB. Free memory was 169.5 MB in the beginning and 167.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.28 ms. Allocated memory is still 189.8 MB. Free memory was 167.6 MB in the beginning and 166.7 MB in the end (delta: 928.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 278.78 ms. Allocated memory is still 189.8 MB. Free memory was 166.7 MB in the beginning and 151.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 43024.84 ms. Allocated memory was 189.8 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 150.6 MB in the beginning and 5.7 GB in the end (delta: -5.6 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20193202, positive: 16361744, positive conditional: 16361744, positive unconditional: 0, negative: 3831458, negative conditional: 3831458, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18912429, positive: 16361744, positive conditional: 16361744, positive unconditional: 0, negative: 2550685, negative conditional: 2550685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18912429, positive: 16361744, positive conditional: 16361744, positive unconditional: 0, negative: 2550685, negative conditional: 2550685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18912429, positive: 16361744, positive conditional: 0, positive unconditional: 16361744, negative: 2550685, negative conditional: 0, negative unconditional: 2550685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18912429, positive: 16361744, positive conditional: 0, positive unconditional: 16361744, negative: 2550685, negative conditional: 0, negative unconditional: 2550685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18912429, positive: 16361744, positive conditional: 0, positive unconditional: 16361744, negative: 2550685, negative conditional: 0, negative unconditional: 2550685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 723, positive: 609, positive conditional: 0, positive unconditional: 609, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 723, positive: 528, positive conditional: 0, positive unconditional: 528, negative: 195, negative conditional: 0, negative unconditional: 195, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 195, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 470, positive: 279, positive conditional: 0, positive unconditional: 279, negative: 191, negative conditional: 0, negative unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 18912429, positive: 16361135, positive conditional: 0, positive unconditional: 16361135, negative: 2550571, negative conditional: 0, negative unconditional: 2550571, unknown: 723, unknown conditional: 0, unknown unconditional: 723] , Statistics on independence cache: Total cache size (in pairs): 723, Positive cache size: 609, Positive conditional cache size: 0, Positive unconditional cache size: 609, Negative cache size: 114, Negative conditional cache size: 0, Negative unconditional cache size: 114, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1280773 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4280946, positive: 4158888, positive conditional: 4158888, positive unconditional: 0, negative: 122058, negative conditional: 122058, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4184065, positive: 4158888, positive conditional: 4158888, positive unconditional: 0, negative: 25177, negative conditional: 25177, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4184065, positive: 4158888, positive conditional: 4158888, positive unconditional: 0, negative: 25177, negative conditional: 25177, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4317129, positive: 4158888, positive conditional: 4158882, positive unconditional: 6, negative: 158241, negative conditional: 133064, negative unconditional: 25177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4317129, positive: 4158888, positive conditional: 3229438, positive unconditional: 929450, negative: 158241, negative conditional: 53745, negative unconditional: 104496, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4317129, positive: 4158888, positive conditional: 3229438, positive unconditional: 929450, negative: 158241, negative conditional: 53745, negative unconditional: 104496, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1483, positive: 1339, positive conditional: 903, positive unconditional: 436, negative: 144, negative conditional: 79, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1483, positive: 945, positive conditional: 0, positive unconditional: 945, negative: 538, negative conditional: 0, negative unconditional: 538, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 538, positive: 394, positive conditional: 353, positive unconditional: 41, negative: 144, negative conditional: 79, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 616, positive: 474, positive conditional: 436, positive unconditional: 38, negative: 142, negative conditional: 81, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4317129, positive: 4157549, positive conditional: 3228535, positive unconditional: 929014, negative: 158097, negative conditional: 53666, negative unconditional: 104431, unknown: 1483, unknown conditional: 982, unknown unconditional: 501] , Statistics on independence cache: Total cache size (in pairs): 1483, Positive cache size: 1339, Positive conditional cache size: 903, Positive unconditional cache size: 436, Negative cache size: 144, Negative conditional cache size: 79, Negative unconditional cache size: 65, Eliminated conditions: 1008763, Maximal queried relation: 3, Independence queries for same thread: 96881 - 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: 42]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 14 procedures, 75 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 23738.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.1ms, PartialOrderReductionTime: 23649.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 14 procedures, 75 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 19145.0ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.2ms, PartialOrderReductionTime: 18777.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 3.5ms SsaConstructionTime, 41.6ms SatisfiabilityAnalysisTime, 203.3ms InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 233 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 11/11 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! [2021-08-06 23:22:25,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-08-06 23:22:25,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-08-06 23:22:25,535 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...