/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-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct06.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 12:01:25,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 12:01:25,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 12:01:25,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-22 12:01:25,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-22 12:01:25,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-22 12:01:25,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-22 12:01:25,160 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-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe.epf [2021-10-22 12:01:25,176 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 12:01:25,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 12:01:25,176 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 12:01:25,176 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 12:01:25,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 12:01:25,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 12:01:25,177 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 12:01:25,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 12:01:25,177 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 12:01:25,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 12:01:25,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 12:01:25,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 12:01:25,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 12:01:25,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 12:01:25,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 12:01:25,178 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 12:01:25,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 12:01:25,178 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 12:01:25,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 12:01:25,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 12:01:25,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 12:01:25,179 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 12:01:25,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 12:01:25,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 12:01:25,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 12:01:25,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 12:01:25,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 12:01:25,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 12:01:25,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 12:01:25,180 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 12:01:25,180 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 12:01:25,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 12:01:25,181 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 12:01:25,181 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 12:01:25,181 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 12:01:25,181 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 12:01:25,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 12:01:25,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 12:01:25,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 12:01:25,382 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-10-22 12:01:25,383 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-10-22 12:01:25,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct06.bpl [2021-10-22 12:01:25,384 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct06.bpl' [2021-10-22 12:01:25,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 12:01:25,399 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-10-22 12:01:25,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 12:01:25,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 12:01:25,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 12:01:25,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:01:25" (1/1) ... [2021-10-22 12:01:25,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:01:25" (1/1) ... [2021-10-22 12:01:25,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 12:01:25,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 12:01:25,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 12:01:25,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 12:01:25,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:01:25" (1/1) ... [2021-10-22 12:01:25,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:01:25" (1/1) ... [2021-10-22 12:01:25,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:01:25" (1/1) ... [2021-10-22 12:01:25,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:01:25" (1/1) ... [2021-10-22 12:01:25,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:01:25" (1/1) ... [2021-10-22 12:01:25,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:01:25" (1/1) ... [2021-10-22 12:01:25,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:01:25" (1/1) ... [2021-10-22 12:01:25,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 12:01:25,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 12:01:25,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 12:01:25,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 12:01:25,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:01:25" (1/1) ... [2021-10-22 12:01:25,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 12:01:25,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:01:25,471 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) [2021-10-22 12:01:25,504 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 [2021-10-22 12:01:25,511 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-10-22 12:01:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-10-22 12:01:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-10-22 12:01:25,512 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-10-22 12:01:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-10-22 12:01:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-10-22 12:01:25,512 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-10-22 12:01:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-10-22 12:01:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-10-22 12:01:25,512 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-10-22 12:01:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 12:01:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 12:01:25,513 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 12:01:25,669 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 12:01:25,669 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-22 12:01:25,669 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-10-22 12:01:25,670 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-10-22 12:01:25,671 INFO L202 PluginConnector]: Adding new model bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:01:25 BoogieIcfgContainer [2021-10-22 12:01:25,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 12:01:25,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 12:01:25,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 12:01:25,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 12:01:25,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.10 12:01:25" (1/2) ... [2021-10-22 12:01:25,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7fd77d and model type bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:01:25, skipping insertion in model container [2021-10-22 12:01:25,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:01:25" (2/2) ... [2021-10-22 12:01:25,691 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct06.bpl [2021-10-22 12:01:25,694 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 12:01:25,695 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 12:01:25,695 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-22 12:01:25,695 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 12:01:25,731 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-22 12:01:25,767 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 12:01:25,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:01:25,768 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) [2021-10-22 12:01:25,769 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 [2021-10-22 12:01:25,833 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 12:01:25,840 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 [2021-10-22 12:01:25,841 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-22 12:01:26,138 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 12:01:26,138 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-22 12:01:26,139 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-22 12:01:26,139 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-22 12:01:26,139 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-10-22 12:01:26,139 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-10-22 12:01:26,139 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION [2021-10-22 12:01:26,144 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-10-22 12:01:26,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 12:01:26,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:01:26,148 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) [2021-10-22 12:01:26,149 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 [2021-10-22 12:01:26,151 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-10-22 12:01:26,152 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 [2021-10-22 12:01:26,152 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-22 12:01:26,308 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 12:01:26,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:01:26,313 INFO L82 PathProgramCache]: Analyzing trace with hash 838278282, now seen corresponding path program 1 times [2021-10-22 12:01:26,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:01:26,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068785765] [2021-10-22 12:01:26,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:01:26,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:01:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:01:26,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 12:01:26,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:01:26,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068785765] [2021-10-22 12:01:26,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068785765] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 12:01:26,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 12:01:26,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 12:01:26,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144993236] [2021-10-22 12:01:26,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 12:01:26,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:01:26,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 12:01:26,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 12:01:26,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:01:26,457 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:01:26,458 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) [2021-10-22 12:01:26,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:01:26,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:26,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-22 12:01:26,698 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 12:01:26,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:01:26,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1950156025, now seen corresponding path program 1 times [2021-10-22 12:01:26,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:01:26,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740813931] [2021-10-22 12:01:26,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:01:26,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:01:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:01:26,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 12:01:26,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:01:26,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740813931] [2021-10-22 12:01:26,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740813931] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 12:01:26,724 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 12:01:26,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 12:01:26,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26357212] [2021-10-22 12:01:26,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 12:01:26,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:01:26,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 12:01:26,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 12:01:26,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:01:26,727 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:01:26,727 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) [2021-10-22 12:01:26,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:26,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:01:26,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:26,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:26,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-22 12:01:26,790 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 12:01:26,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:01:26,790 INFO L82 PathProgramCache]: Analyzing trace with hash 735639250, now seen corresponding path program 1 times [2021-10-22 12:01:26,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:01:26,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915478248] [2021-10-22 12:01:26,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:01:26,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:01:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:01:26,953 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-22 12:01:26,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:01:26,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915478248] [2021-10-22 12:01:26,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915478248] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 12:01:26,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 12:01:26,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-22 12:01:26,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730199084] [2021-10-22 12:01:26,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-22 12:01:26,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:01:26,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-22 12:01:26,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-10-22 12:01:26,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:01:26,960 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:01:26,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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) [2021-10-22 12:01:26,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:26,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:26,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:01:27,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:27,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:27,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 12:01:27,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-22 12:01:27,073 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 12:01:27,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:01:27,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1558676902, now seen corresponding path program 1 times [2021-10-22 12:01:27,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:01:27,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890898292] [2021-10-22 12:01:27,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:01:27,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:01:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:01:27,323 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 48 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-22 12:01:27,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:01:27,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890898292] [2021-10-22 12:01:27,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890898292] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 12:01:27,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677930628] [2021-10-22 12:01:27,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:01:27,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:01:27,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:01:27,384 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 12:01:27,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-22 12:01:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:01:27,439 WARN L261 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 79 conjunts are in the unsatisfiable core [2021-10-22 12:01:27,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 12:01:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 6 proven. 49 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-22 12:01:27,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677930628] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 12:01:27,966 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 12:01:27,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-10-22 12:01:27,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578754261] [2021-10-22 12:01:27,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-22 12:01:27,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:01:27,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-22 12:01:27,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-10-22 12:01:27,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:01:27,968 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:01:27,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.615384615384615) internal successors, (73), 12 states have internal predecessors, (73), 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) [2021-10-22 12:01:27,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:27,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:27,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 12:01:27,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:01:28,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:28,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:28,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 12:01:28,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-22 12:01:28,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-22 12:01:28,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:01:28,495 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 12:01:28,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:01:28,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1154727821, now seen corresponding path program 1 times [2021-10-22 12:01:28,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:01:28,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431517725] [2021-10-22 12:01:28,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:01:28,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:01:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:01:29,048 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 449 proven. 71 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-10-22 12:01:29,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:01:29,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431517725] [2021-10-22 12:01:29,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431517725] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 12:01:29,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493494559] [2021-10-22 12:01:29,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:01:29,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:01:29,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:01:29,050 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 12:01:29,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-22 12:01:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:01:29,180 WARN L261 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 214 conjunts are in the unsatisfiable core [2021-10-22 12:01:29,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 12:01:30,027 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 20 proven. 500 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-10-22 12:01:30,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493494559] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 12:01:30,028 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 12:01:30,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-10-22 12:01:30,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701064372] [2021-10-22 12:01:30,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-22 12:01:30,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:01:30,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-22 12:01:30,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-10-22 12:01:30,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:01:30,035 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:01:30,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.6) internal successors, (99), 14 states have internal predecessors, (99), 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) [2021-10-22 12:01:30,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:30,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:30,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 12:01:30,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-22 12:01:30,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:01:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:31,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:31,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 12:01:31,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-22 12:01:31,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-22 12:01:31,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-22 12:01:31,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:01:31,356 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 12:01:31,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:01:31,356 INFO L82 PathProgramCache]: Analyzing trace with hash 263921983, now seen corresponding path program 1 times [2021-10-22 12:01:31,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:01:31,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262200707] [2021-10-22 12:01:31,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:01:31,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:01:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:01:32,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1790 backedges. 983 proven. 256 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2021-10-22 12:01:32,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:01:32,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262200707] [2021-10-22 12:01:32,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262200707] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 12:01:32,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106480752] [2021-10-22 12:01:32,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:01:32,251 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:01:32,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:01:32,252 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 12:01:32,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-22 12:01:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:01:32,513 WARN L261 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 414 conjunts are in the unsatisfiable core [2021-10-22 12:01:32,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 12:01:33,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1790 backedges. 22 proven. 1217 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2021-10-22 12:01:33,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106480752] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 12:01:33,970 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 12:01:33,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-10-22 12:01:33,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283538209] [2021-10-22 12:01:33,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-22 12:01:33,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:01:33,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-22 12:01:33,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-10-22 12:01:33,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:01:33,972 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:01:33,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.117647058823529) internal successors, (121), 16 states have internal predecessors, (121), 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) [2021-10-22 12:01:33,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:33,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:33,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 12:01:33,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-22 12:01:33,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-22 12:01:33,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:01:39,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:39,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:39,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 12:01:39,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-22 12:01:39,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-22 12:01:39,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 12:01:39,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-22 12:01:39,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:01:39,709 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-10-22 12:01:39,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:01:39,710 INFO L82 PathProgramCache]: Analyzing trace with hash -145030104, now seen corresponding path program 1 times [2021-10-22 12:01:39,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:01:39,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865063310] [2021-10-22 12:01:39,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:01:39,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:01:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:01:44,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12618 backedges. 5951 proven. 2467 refuted. 0 times theorem prover too weak. 4200 trivial. 0 not checked. [2021-10-22 12:01:44,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:01:44,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865063310] [2021-10-22 12:01:44,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865063310] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 12:01:44,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366310208] [2021-10-22 12:01:44,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:01:44,084 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:01:44,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:01:44,085 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 12:01:44,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-22 12:01:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:01:44,821 WARN L261 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 1119 conjunts are in the unsatisfiable core [2021-10-22 12:01:44,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 12:01:48,276 INFO L134 CoverageAnalysis]: Checked inductivity of 12618 backedges. 11 proven. 8407 refuted. 0 times theorem prover too weak. 4200 trivial. 0 not checked. [2021-10-22 12:01:48,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366310208] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 12:01:48,276 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-22 12:01:48,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-10-22 12:01:48,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976432366] [2021-10-22 12:01:48,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-22 12:01:48,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:01:48,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-22 12:01:48,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2021-10-22 12:01:48,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:01:48,278 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:01:48,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.526315789473684) internal successors, (143), 18 states have internal predecessors, (143), 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) [2021-10-22 12:01:48,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:48,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:01:48,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-22 12:01:48,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-10-22 12:01:48,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-22 12:01:48,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-22 12:01:48,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:02:02,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:02:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:02:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-22 12:02:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-22 12:02:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-22 12:02:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-22 12:02:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-22 12:02:02,075 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-10-22 12:02:02,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-22 12:02:02,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:02:02,433 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-10-22 12:02:02,434 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-22 12:02:02,434 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-22 12:02:02,436 INFO L202 PluginConnector]: Adding new model bluetooth-correct06.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 12:02:02 BasicIcfg [2021-10-22 12:02:02,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-22 12:02:02,437 INFO L168 Benchmark]: Toolchain (without parser) took 37037.87 ms. Allocated memory was 237.0 MB in the beginning and 4.8 GB in the end (delta: 4.6 GB). Free memory was 197.7 MB in the beginning and 4.4 GB in the end (delta: -4.2 GB). Peak memory consumption was 1.7 GB. Max. memory is 8.0 GB. [2021-10-22 12:02:02,437 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.09 ms. Allocated memory is still 237.0 MB. Free memory is still 198.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 12:02:02,437 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.36 ms. Allocated memory is still 237.0 MB. Free memory was 197.7 MB in the beginning and 195.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-22 12:02:02,438 INFO L168 Benchmark]: Boogie Preprocessor took 9.46 ms. Allocated memory is still 237.0 MB. Free memory was 195.7 MB in the beginning and 194.8 MB in the end (delta: 925.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-22 12:02:02,438 INFO L168 Benchmark]: RCFGBuilder took 227.35 ms. Allocated memory is still 237.0 MB. Free memory was 194.8 MB in the beginning and 179.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-10-22 12:02:02,438 INFO L168 Benchmark]: TraceAbstraction took 36764.03 ms. Allocated memory was 237.0 MB in the beginning and 4.8 GB in the end (delta: 4.6 GB). Free memory was 179.1 MB in the beginning and 4.4 GB in the end (delta: -4.2 GB). Peak memory consumption was 1.7 GB. Max. memory is 8.0 GB. [2021-10-22 12:02:02,439 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 0.09 ms. Allocated memory is still 237.0 MB. Free memory is still 198.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 33.36 ms. Allocated memory is still 237.0 MB. Free memory was 197.7 MB in the beginning and 195.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 9.46 ms. Allocated memory is still 237.0 MB. Free memory was 195.7 MB in the beginning and 194.8 MB in the end (delta: 925.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 227.35 ms. Allocated memory is still 237.0 MB. Free memory was 194.8 MB in the beginning and 179.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 36764.03 ms. Allocated memory was 237.0 MB in the beginning and 4.8 GB in the end (delta: 4.6 GB). Free memory was 179.1 MB in the beginning and 4.4 GB in the end (delta: -4.2 GB). Peak memory consumption was 1.7 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: 1015, positive: 958, positive conditional: 145, positive unconditional: 813, negative: 57, negative conditional: 15, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1000, positive: 958, positive conditional: 0, positive unconditional: 958, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 855, positive: 813, positive conditional: 0, positive unconditional: 813, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 855, positive: 777, positive conditional: 0, positive unconditional: 777, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 220, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 147, negative conditional: 0, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1000, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 855, unknown conditional: 0, unknown unconditional: 855] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 813, Positive conditional cache size: 0, Positive unconditional cache size: 813, Negative cache size: 42, Negative conditional cache size: 0, Negative unconditional cache size: 42, Independence queries for same thread: 15 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 249, Number of persistent set computation: 11, Number of trivial persistent sets: 5, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1015, positive: 958, positive conditional: 145, positive unconditional: 813, negative: 57, negative conditional: 15, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1000, positive: 958, positive conditional: 0, positive unconditional: 958, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 855, positive: 813, positive conditional: 0, positive unconditional: 813, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 855, positive: 777, positive conditional: 0, positive unconditional: 777, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 220, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 147, negative conditional: 0, negative unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1000, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 855, unknown conditional: 0, unknown unconditional: 855] , Statistics on independence cache: Total cache size (in pairs): 855, Positive cache size: 813, Positive conditional cache size: 0, Positive unconditional cache size: 813, Negative cache size: 42, Negative conditional cache size: 0, Negative unconditional cache size: 42, Independence queries for same thread: 15 - 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: 10135475, positive: 8263398, positive conditional: 8262106, positive unconditional: 1292, negative: 1872077, negative conditional: 1871991, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9456444, positive: 8263398, positive conditional: 0, positive unconditional: 8263398, negative: 1193046, negative conditional: 0, negative unconditional: 1193046, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1368, positive: 1282, positive conditional: 0, positive unconditional: 1282, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1368, positive: 1196, positive conditional: 0, positive unconditional: 1196, negative: 172, negative conditional: 0, negative unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 172, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 286, positive: 158, positive conditional: 0, positive unconditional: 158, negative: 128, negative conditional: 0, negative unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9456444, positive: 8262116, positive conditional: 0, positive unconditional: 8262116, negative: 1192960, negative conditional: 0, negative unconditional: 1192960, unknown: 1368, unknown conditional: 0, unknown unconditional: 1368] , Statistics on independence cache: Total cache size (in pairs): 1368, Positive cache size: 1282, Positive conditional cache size: 0, Positive unconditional cache size: 1282, Negative cache size: 86, Negative conditional cache size: 0, Negative unconditional cache size: 86, Independence queries for same thread: 679031 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 692, Number of persistent set computation: 5698, Number of trivial persistent sets: 4531, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10135475, positive: 8263398, positive conditional: 8262106, positive unconditional: 1292, negative: 1872077, negative conditional: 1871991, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9456444, positive: 8263398, positive conditional: 0, positive unconditional: 8263398, negative: 1193046, negative conditional: 0, negative unconditional: 1193046, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1368, positive: 1282, positive conditional: 0, positive unconditional: 1282, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1368, positive: 1196, positive conditional: 0, positive unconditional: 1196, negative: 172, negative conditional: 0, negative unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 172, positive: 86, positive conditional: 0, positive unconditional: 86, negative: 86, negative conditional: 0, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 286, positive: 158, positive conditional: 0, positive unconditional: 158, negative: 128, negative conditional: 0, negative unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9456444, positive: 8262116, positive conditional: 0, positive unconditional: 8262116, negative: 1192960, negative conditional: 0, negative unconditional: 1192960, unknown: 1368, unknown conditional: 0, unknown unconditional: 1368] , Statistics on independence cache: Total cache size (in pairs): 1368, Positive cache size: 1282, Positive conditional cache size: 0, Positive unconditional cache size: 1282, Negative cache size: 86, Negative conditional cache size: 0, Negative unconditional cache size: 86, Independence queries for same thread: 679031 - 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: 39]: 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 11 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 379.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.4ms, PartialOrderReductionTime: 280.0ms, 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 11 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 36286.5ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 21283.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 61, 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: 114.5ms SsaConstructionTime, 894.8ms SatisfiabilityAnalysisTime, 12028.4ms InterpolantComputationTime, 1788 NumberOfCodeBlocks, 1788 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1777 ConstructedInterpolants, 0 QuantifiedInterpolants, 10393 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2355 ConjunctsInSsa, 1826 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 17601/30575 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! [2021-10-22 12:02:02,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2021-10-22 12:02:02,699 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 [2021-10-22 12:02:02,902 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...