/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-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct05.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 19:10:30,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 19:10:30,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 19:10:30,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 19:10:30,142 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-08-07 19:10:30,185 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 19:10:30,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 19:10:30,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 19:10:30,186 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 19:10:30,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 19:10:30,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 19:10:30,190 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 19:10:30,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 19:10:30,190 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 19:10:30,190 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 19:10:30,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 19:10:30,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 19:10:30,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 19:10:30,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 19:10:30,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 19:10:30,192 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 19:10:30,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 19:10:30,192 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 19:10:30,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 19:10:30,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 19:10:30,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 19:10:30,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 19:10:30,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 19:10:30,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 19:10:30,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 19:10:30,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 19:10:30,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 19:10:30,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 19:10:30,194 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 19:10:30,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 19:10:30,194 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 19:10:30,194 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 19:10:30,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 19:10:30,194 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-07 19:10:30,194 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 19:10:30,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 19:10:30,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 19:10:30,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 19:10:30,536 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-07 19:10:30,538 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-07 19:10:30,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct05.bpl [2021-08-07 19:10:30,539 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct05.bpl' [2021-08-07 19:10:30,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 19:10:30,577 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-07 19:10:30,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 19:10:30,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 19:10:30,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 19:10:30,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:30" (1/1) ... [2021-08-07 19:10:30,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:30" (1/1) ... [2021-08-07 19:10:30,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 19:10:30,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 19:10:30,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 19:10:30,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 19:10:30,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:30" (1/1) ... [2021-08-07 19:10:30,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:30" (1/1) ... [2021-08-07 19:10:30,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:30" (1/1) ... [2021-08-07 19:10:30,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:30" (1/1) ... [2021-08-07 19:10:30,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:30" (1/1) ... [2021-08-07 19:10:30,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:30" (1/1) ... [2021-08-07 19:10:30,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:30" (1/1) ... [2021-08-07 19:10:30,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 19:10:30,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 19:10:30,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 19:10:30,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 19:10:30,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:30" (1/1) ... [2021-08-07 19:10:30,636 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 19:10:30,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:30,662 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) [2021-08-07 19:10:30,672 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 [2021-08-07 19:10:30,703 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-07 19:10:30,703 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-07 19:10:30,703 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-07 19:10:30,704 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-07 19:10:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-07 19:10:30,704 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-07 19:10:30,704 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-07 19:10:30,704 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-07 19:10:30,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-07 19:10:30,704 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-07 19:10:30,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 19:10:30,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 19:10:30,705 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 19:10:30,974 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 19:10:30,974 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-07 19:10:30,975 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-08-07 19:10:30,975 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-08-07 19:10:30,977 INFO L202 PluginConnector]: Adding new model bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 07:10:30 BoogieIcfgContainer [2021-08-07 19:10:30,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 19:10:30,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 19:10:30,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 19:10:30,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 19:10:30,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:30" (1/2) ... [2021-08-07 19:10:30,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@916f9a9 and model type bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 07:10:30, skipping insertion in model container [2021-08-07 19:10:30,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 07:10:30" (2/2) ... [2021-08-07 19:10:30,983 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct05.bpl [2021-08-07 19:10:30,987 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 19:10:30,987 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 19:10:30,987 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 19:10:30,987 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 19:10:31,021 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 19:10:31,057 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 19:10:31,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:31,069 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) [2021-08-07 19:10:31,103 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 [2021-08-07 19:10:31,135 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 19:10:31,143 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 [2021-08-07 19:10:31,143 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-07 19:10:31,504 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 19:10:31,505 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 19:10:31,505 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 19:10:31,505 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-07 19:10:31,505 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-07 19:10:31,506 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-07 19:10:31,515 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-08-07 19:10:31,526 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 19:10:31,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:31,533 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) [2021-08-07 19:10:31,535 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 [2021-08-07 19:10:31,539 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-08-07 19:10:31,540 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 [2021-08-07 19:10:31,540 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-07 19:10:31,704 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:31,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:31,710 INFO L82 PathProgramCache]: Analyzing trace with hash -385014472, now seen corresponding path program 1 times [2021-08-07 19:10:31,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:31,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192535941] [2021-08-07 19:10:31,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:31,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:31,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 19:10:31,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:31,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192535941] [2021-08-07 19:10:31,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192535941] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 19:10:31,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 19:10:31,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 19:10:31,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819800761] [2021-08-07 19:10:31,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 19:10:31,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:31,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 19:10:31,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 19:10:31,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:31,840 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:31,841 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) [2021-08-07 19:10:31,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:31,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:31,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 19:10:31,937 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:31,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:31,945 INFO L82 PathProgramCache]: Analyzing trace with hash -204185006, now seen corresponding path program 1 times [2021-08-07 19:10:31,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:31,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026968481] [2021-08-07 19:10:31,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:31,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-07 19:10:32,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:32,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026968481] [2021-08-07 19:10:32,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026968481] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 19:10:32,004 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 19:10:32,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 19:10:32,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454221032] [2021-08-07 19:10:32,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 19:10:32,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:32,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 19:10:32,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 19:10:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:32,006 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:32,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-08-07 19:10:32,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:32,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:32,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:32,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:32,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 19:10:32,120 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:32,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:32,121 INFO L82 PathProgramCache]: Analyzing trace with hash 486263964, now seen corresponding path program 1 times [2021-08-07 19:10:32,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:32,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468099971] [2021-08-07 19:10:32,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:32,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:32,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 19:10:32,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:32,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468099971] [2021-08-07 19:10:32,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468099971] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 19:10:32,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 19:10:32,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-07 19:10:32,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181981183] [2021-08-07 19:10:32,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 19:10:32,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:32,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 19:10:32,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-08-07 19:10:32,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:32,252 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:32,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 19:10:32,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:32,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:32,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:32,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:32,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:32,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:32,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 19:10:32,513 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:32,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:32,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1383702533, now seen corresponding path program 1 times [2021-08-07 19:10:32,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:32,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911014943] [2021-08-07 19:10:32,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:32,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:32,692 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-07 19:10:32,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:32,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911014943] [2021-08-07 19:10:32,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911014943] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 19:10:32,696 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 19:10:32,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 19:10:32,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501531597] [2021-08-07 19:10:32,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 19:10:32,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:32,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 19:10:32,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-08-07 19:10:32,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:32,705 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:32,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-08-07 19:10:32,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:32,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:32,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:32,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:32,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:33,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:10:33,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 19:10:33,005 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:33,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:33,005 INFO L82 PathProgramCache]: Analyzing trace with hash -2041112659, now seen corresponding path program 1 times [2021-08-07 19:10:33,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:33,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630093356] [2021-08-07 19:10:33,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:33,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:33,145 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-07 19:10:33,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:33,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630093356] [2021-08-07 19:10:33,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630093356] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:33,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276342526] [2021-08-07 19:10:33,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:33,146 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 19:10:33,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:33,148 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) [2021-08-07 19:10:33,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-07 19:10:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:33,200 WARN L261 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 34 conjunts are in the unsatisfiable core [2021-08-07 19:10:33,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 19:10:33,738 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-07 19:10:33,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276342526] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:33,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 19:10:33,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-08-07 19:10:33,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095886048] [2021-08-07 19:10:33,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-07 19:10:33,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:33,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-07 19:10:33,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-08-07 19:10:33,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:33,740 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:33,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 12 states have internal predecessors, (55), 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) [2021-08-07 19:10:33,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:33,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:33,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:33,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:10:33,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:34,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:34,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:34,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:34,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:10:34,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 19:10:34,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-07 19:10:34,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 19:10:34,689 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:34,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:34,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1614223496, now seen corresponding path program 1 times [2021-08-07 19:10:34,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:34,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912910224] [2021-08-07 19:10:34,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:34,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:34,898 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-07 19:10:34,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:34,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912910224] [2021-08-07 19:10:34,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912910224] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:34,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183776790] [2021-08-07 19:10:34,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:34,898 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 19:10:34,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:34,905 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) [2021-08-07 19:10:34,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-07 19:10:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:34,987 WARN L261 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 49 conjunts are in the unsatisfiable core [2021-08-07 19:10:34,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 19:10:35,499 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-07 19:10:35,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183776790] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:35,500 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 19:10:35,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-08-07 19:10:35,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518786453] [2021-08-07 19:10:35,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-07 19:10:35,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:35,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-07 19:10:35,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-08-07 19:10:35,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:35,502 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:35,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.466666666666667) internal successors, (67), 14 states have internal predecessors, (67), 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) [2021-08-07 19:10:35,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:35,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:35,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:35,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:10:35,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 19:10:35,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:37,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:37,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:37,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:10:37,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 19:10:37,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 19:10:37,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-07 19:10:37,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 19:10:37,784 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:37,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:37,784 INFO L82 PathProgramCache]: Analyzing trace with hash -224487915, now seen corresponding path program 1 times [2021-08-07 19:10:37,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:37,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397733816] [2021-08-07 19:10:37,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:37,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:38,024 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-07 19:10:38,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:38,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397733816] [2021-08-07 19:10:38,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397733816] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:38,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491294345] [2021-08-07 19:10:38,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:38,026 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 19:10:38,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:38,033 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) [2021-08-07 19:10:38,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-07 19:10:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:38,187 WARN L261 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 64 conjunts are in the unsatisfiable core [2021-08-07 19:10:38,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 19:10:38,814 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-08-07 19:10:38,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491294345] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:38,814 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 19:10:38,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-08-07 19:10:38,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375483886] [2021-08-07 19:10:38,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-07 19:10:38,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:38,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-07 19:10:38,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-08-07 19:10:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:38,816 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:38,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.529411764705882) internal successors, (77), 16 states have internal predecessors, (77), 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) [2021-08-07 19:10:38,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:38,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:38,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:38,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:10:38,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 19:10:38,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 19:10:38,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:40,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:40,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:40,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:40,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-07 19:10:40,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 19:10:40,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 19:10:40,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 19:10:40,638 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-07 19:10:40,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-07 19:10:40,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 19:10:40,864 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-08-07 19:10:40,865 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 19:10:40,865 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 19:10:40,868 INFO L202 PluginConnector]: Adding new model bluetooth-correct05.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 07:10:40 BasicIcfg [2021-08-07 19:10:40,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 19:10:40,869 INFO L168 Benchmark]: Toolchain (without parser) took 10291.95 ms. Allocated memory was 178.3 MB in the beginning and 408.9 MB in the end (delta: 230.7 MB). Free memory was 158.8 MB in the beginning and 219.5 MB in the end (delta: -60.7 MB). Peak memory consumption was 292.2 MB. Max. memory is 8.0 GB. [2021-08-07 19:10:40,869 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 178.3 MB. Free memory was 159.9 MB in the beginning and 159.8 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 19:10:40,869 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.27 ms. Allocated memory is still 178.3 MB. Free memory was 158.7 MB in the beginning and 156.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 19:10:40,869 INFO L168 Benchmark]: Boogie Preprocessor took 13.13 ms. Allocated memory is still 178.3 MB. Free memory was 156.7 MB in the beginning and 155.9 MB in the end (delta: 853.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 19:10:40,869 INFO L168 Benchmark]: RCFGBuilder took 352.25 ms. Allocated memory is still 178.3 MB. Free memory was 155.8 MB in the beginning and 140.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-08-07 19:10:40,869 INFO L168 Benchmark]: TraceAbstraction took 9889.94 ms. Allocated memory was 178.3 MB in the beginning and 408.9 MB in the end (delta: 230.7 MB). Free memory was 139.5 MB in the beginning and 219.5 MB in the end (delta: -80.0 MB). Peak memory consumption was 272.2 MB. Max. memory is 8.0 GB. [2021-08-07 19:10:40,870 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 0.16 ms. Allocated memory is still 178.3 MB. Free memory was 159.9 MB in the beginning and 159.8 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 29.27 ms. Allocated memory is still 178.3 MB. Free memory was 158.7 MB in the beginning and 156.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.13 ms. Allocated memory is still 178.3 MB. Free memory was 156.7 MB in the beginning and 155.9 MB in the end (delta: 853.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 352.25 ms. Allocated memory is still 178.3 MB. Free memory was 155.8 MB in the beginning and 140.1 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9889.94 ms. Allocated memory was 178.3 MB in the beginning and 408.9 MB in the end (delta: 230.7 MB). Free memory was 139.5 MB in the beginning and 219.5 MB in the end (delta: -80.0 MB). Peak memory consumption was 272.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 703, positive: 663, positive conditional: 76, positive unconditional: 587, negative: 40, negative conditional: 10, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 693, positive: 663, positive conditional: 76, positive unconditional: 587, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 693, positive: 663, positive conditional: 76, positive unconditional: 587, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 693, positive: 663, positive conditional: 0, positive unconditional: 663, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 693, positive: 663, positive conditional: 0, positive unconditional: 663, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 693, positive: 663, positive conditional: 0, positive unconditional: 663, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 617, positive: 587, positive conditional: 0, positive unconditional: 587, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 617, positive: 562, positive conditional: 0, positive unconditional: 562, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 257, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 173, negative conditional: 0, negative unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 693, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 617, unknown conditional: 0, unknown unconditional: 617] , Statistics on independence cache: Total cache size (in pairs): 617, Positive cache size: 587, Positive conditional cache size: 0, Positive unconditional cache size: 587, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 10 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 297, Number of persistent set computation: 10, Number of trivial persistent sets: 5, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 617, positive: 587, positive conditional: 0, positive unconditional: 587, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 703, positive: 663, positive conditional: 76, positive unconditional: 587, negative: 40, negative conditional: 10, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 693, positive: 663, positive conditional: 76, positive unconditional: 587, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 693, positive: 663, positive conditional: 76, positive unconditional: 587, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 693, positive: 663, positive conditional: 0, positive unconditional: 663, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 693, positive: 663, positive conditional: 0, positive unconditional: 663, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 693, positive: 663, positive conditional: 0, positive unconditional: 663, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 617, positive: 587, positive conditional: 0, positive unconditional: 587, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 617, positive: 562, positive conditional: 0, positive unconditional: 562, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 257, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 173, negative conditional: 0, negative unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 693, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 617, unknown conditional: 0, unknown unconditional: 617] , Statistics on independence cache: Total cache size (in pairs): 617, Positive cache size: 587, Positive conditional cache size: 0, Positive unconditional cache size: 587, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 10 - 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: 535371, positive: 510756, positive conditional: 509810, positive unconditional: 946, negative: 24615, negative conditional: 24553, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 518123, positive: 510756, positive conditional: 509810, positive unconditional: 946, negative: 7367, negative conditional: 7305, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 518123, positive: 510756, positive conditional: 509810, positive unconditional: 946, negative: 7367, negative conditional: 7305, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 583486, positive: 510756, positive conditional: 509803, positive unconditional: 953, negative: 72730, negative conditional: 65363, negative unconditional: 7367, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 583486, positive: 510756, positive conditional: 387521, positive unconditional: 123235, negative: 72730, negative conditional: 37338, negative unconditional: 35392, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 583486, positive: 510756, positive conditional: 387521, positive unconditional: 123235, negative: 72730, negative conditional: 37338, negative unconditional: 35392, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2107, positive: 1666, positive conditional: 757, positive unconditional: 909, negative: 441, negative conditional: 379, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2107, positive: 889, positive conditional: 0, positive unconditional: 889, negative: 1218, negative conditional: 0, negative unconditional: 1218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1218, positive: 777, positive conditional: 715, positive unconditional: 62, negative: 441, negative conditional: 379, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1651, positive: 1063, positive conditional: 920, positive unconditional: 143, negative: 588, negative conditional: 444, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 583486, positive: 509090, positive conditional: 386764, positive unconditional: 122326, negative: 72289, negative conditional: 36959, negative unconditional: 35330, unknown: 2107, unknown conditional: 1136, unknown unconditional: 971] , Statistics on independence cache: Total cache size (in pairs): 2107, Positive cache size: 1666, Positive conditional cache size: 757, Positive unconditional cache size: 909, Negative cache size: 441, Negative conditional cache size: 379, Negative unconditional cache size: 62, Eliminated conditions: 150307, Maximal queried relation: 7, Independence queries for same thread: 17248 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 488, Number of persistent set computation: 1093, Number of trivial persistent sets: 255, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1008, positive: 946, positive conditional: 0, positive unconditional: 946, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 535371, positive: 510756, positive conditional: 509810, positive unconditional: 946, negative: 24615, negative conditional: 24553, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 518123, positive: 510756, positive conditional: 509810, positive unconditional: 946, negative: 7367, negative conditional: 7305, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 518123, positive: 510756, positive conditional: 509810, positive unconditional: 946, negative: 7367, negative conditional: 7305, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 583486, positive: 510756, positive conditional: 509803, positive unconditional: 953, negative: 72730, negative conditional: 65363, negative unconditional: 7367, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 583486, positive: 510756, positive conditional: 387521, positive unconditional: 123235, negative: 72730, negative conditional: 37338, negative unconditional: 35392, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 583486, positive: 510756, positive conditional: 387521, positive unconditional: 123235, negative: 72730, negative conditional: 37338, negative unconditional: 35392, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2107, positive: 1666, positive conditional: 757, positive unconditional: 909, negative: 441, negative conditional: 379, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2107, positive: 889, positive conditional: 0, positive unconditional: 889, negative: 1218, negative conditional: 0, negative unconditional: 1218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1218, positive: 777, positive conditional: 715, positive unconditional: 62, negative: 441, negative conditional: 379, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1651, positive: 1063, positive conditional: 920, positive unconditional: 143, negative: 588, negative conditional: 444, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 583486, positive: 509090, positive conditional: 386764, positive unconditional: 122326, negative: 72289, negative conditional: 36959, negative unconditional: 35330, unknown: 2107, unknown conditional: 1136, unknown unconditional: 971] , Statistics on independence cache: Total cache size (in pairs): 2107, Positive cache size: 1666, Positive conditional cache size: 757, Positive unconditional cache size: 909, Negative cache size: 441, Negative conditional cache size: 379, Negative unconditional cache size: 62, Eliminated conditions: 150307, Maximal queried relation: 7, Independence queries for same thread: 17248 - 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: 38]: 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 10 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 460.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 24.9ms, PartialOrderReductionTime: 334.1ms, 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 10 procedures, 55 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 9337.7ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 5540.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 50, 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: 65.3ms SsaConstructionTime, 136.9ms SatisfiabilityAnalysisTime, 2557.2ms InterpolantComputationTime, 309 NumberOfCodeBlocks, 309 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 1476 SizeOfPredicates, 3 NumberOfNonLiveVariables, 251 ConjunctsInSsa, 147 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 87/153 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! [2021-08-07 19:10:40,904 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 [2021-08-07 19:10:41,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 19:10:41,314 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...