/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-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct08.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 14:09:08,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 14:09:08,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 14:09:08,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 14:09:08,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-07 14:09:08,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-07 14:09:08,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-07 14:09:08,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-07 14:09:08,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-07 14:09:08,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-07 14:09:08,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-07 14:09:08,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-07 14:09:08,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-07 14:09:08,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-07 14:09:08,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-07 14:09:08,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-07 14:09:08,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-07 14:09:08,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-07 14:09:08,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-07 14:09:08,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-07 14:09:08,239 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-Persistent-NoLbe.epf [2021-08-07 14:09:08,273 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 14:09:08,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 14:09:08,274 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 14:09:08,274 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 14:09:08,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 14:09:08,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 14:09:08,277 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 14:09:08,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 14:09:08,277 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 14:09:08,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 14:09:08,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 14:09:08,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 14:09:08,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 14:09:08,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 14:09:08,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 14:09:08,279 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 14:09:08,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 14:09:08,279 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 14:09:08,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 14:09:08,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 14:09:08,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 14:09:08,280 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 14:09:08,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 14:09:08,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 14:09:08,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 14:09:08,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 14:09:08,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 14:09:08,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 14:09:08,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 14:09:08,281 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 14:09:08,281 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 14:09:08,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 14:09:08,281 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-08-07 14:09:08,282 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 14:09:08,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 14:09:08,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 14:09:08,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 14:09:08,637 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-07 14:09:08,638 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-07 14:09:08,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct08.bpl [2021-08-07 14:09:08,639 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct08.bpl' [2021-08-07 14:09:08,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 14:09:08,676 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-07 14:09:08,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 14:09:08,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 14:09:08,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 14:09:08,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 02:09:08" (1/1) ... [2021-08-07 14:09:08,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 02:09:08" (1/1) ... [2021-08-07 14:09:08,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 14:09:08,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 14:09:08,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 14:09:08,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 14:09:08,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 02:09:08" (1/1) ... [2021-08-07 14:09:08,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 02:09:08" (1/1) ... [2021-08-07 14:09:08,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 02:09:08" (1/1) ... [2021-08-07 14:09:08,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 02:09:08" (1/1) ... [2021-08-07 14:09:08,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 02:09:08" (1/1) ... [2021-08-07 14:09:08,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 02:09:08" (1/1) ... [2021-08-07 14:09:08,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 02:09:08" (1/1) ... [2021-08-07 14:09:08,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 14:09:08,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 14:09:08,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 14:09:08,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 14:09:08,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 02:09:08" (1/1) ... [2021-08-07 14:09:08,744 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 14:09:08,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 14:09:08,766 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 14:09:08,786 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 14:09:08,801 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-07 14:09:08,801 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-07 14:09:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-07 14:09:08,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-07 14:09:08,802 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-07 14:09:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-07 14:09:08,802 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-07 14:09:08,803 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-07 14:09:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-07 14:09:08,804 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-07 14:09:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 14:09:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 14:09:08,805 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 14:09:08,998 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 14:09:08,998 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-07 14:09:08,999 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-08-07 14:09:08,999 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-08-07 14:09:09,000 INFO L202 PluginConnector]: Adding new model bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 02:09:09 BoogieIcfgContainer [2021-08-07 14:09:09,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 14:09:09,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 14:09:09,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 14:09:09,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 14:09:09,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 02:09:08" (1/2) ... [2021-08-07 14:09:09,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be3ec25 and model type bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 02:09:09, skipping insertion in model container [2021-08-07 14:09:09,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 02:09:09" (2/2) ... [2021-08-07 14:09:09,008 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct08.bpl [2021-08-07 14:09:09,012 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 14:09:09,012 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 14:09:09,012 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 14:09:09,013 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 14:09:09,052 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 14:09:09,091 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 14:09:09,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 14:09:09,109 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 14:09:09,155 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 14:09:09,190 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 14:09:09,199 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 14:09:09,199 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-08-07 14:09:09,791 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 14:09:09,791 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 14:09:09,792 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 14:09:09,792 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-07 14:09:09,792 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-07 14:09:09,792 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-07 14:09:09,792 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-07 14:09:09,792 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION [2021-08-07 14:09:09,793 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8INUSE_VIOLATION [2021-08-07 14:09:09,803 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-08-07 14:09:09,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 14:09:09,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 14:09:09,810 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 14:09:09,811 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 14:09:09,813 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-08-07 14:09:09,814 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 14:09:09,814 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-07 14:09:10,028 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 14:09:10,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 14:09:10,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1396047556, now seen corresponding path program 1 times [2021-08-07 14:09:10,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 14:09:10,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846671635] [2021-08-07 14:09:10,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 14:09:10,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 14:09:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 14:09:10,140 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 14:09:10,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 14:09:10,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846671635] [2021-08-07 14:09:10,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846671635] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 14:09:10,142 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 14:09:10,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 14:09:10,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565248494] [2021-08-07 14:09:10,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 14:09:10,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 14:09:10,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 14:09:10,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 14:09:10,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:09:10,160 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 14:09:10,160 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 14:09:10,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:09:10,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:10,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 14:09:10,248 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 14:09:10,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 14:09:10,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1847318835, now seen corresponding path program 1 times [2021-08-07 14:09:10,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 14:09:10,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844440211] [2021-08-07 14:09:10,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 14:09:10,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 14:09:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 14:09:10,287 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-08-07 14:09:10,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 14:09:10,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844440211] [2021-08-07 14:09:10,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844440211] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 14:09:10,288 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 14:09:10,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 14:09:10,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088459496] [2021-08-07 14:09:10,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 14:09:10,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 14:09:10,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 14:09:10,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 14:09:10,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:09:10,291 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 14:09:10,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 14:09:10,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:10,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:09:10,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:10,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:10,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 14:09:10,561 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 14:09:10,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 14:09:10,561 INFO L82 PathProgramCache]: Analyzing trace with hash -689550522, now seen corresponding path program 1 times [2021-08-07 14:09:10,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 14:09:10,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833798976] [2021-08-07 14:09:10,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 14:09:10,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 14:09:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 14:09:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-08-07 14:09:10,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 14:09:10,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833798976] [2021-08-07 14:09:10,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833798976] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 14:09:10,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 14:09:10,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-07 14:09:10,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926112133] [2021-08-07 14:09:10,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 14:09:10,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 14:09:10,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 14:09:10,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-08-07 14:09:10,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:09:10,749 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 14:09:10,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 5 states have internal predecessors, (18), 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 14:09:10,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:10,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:10,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:09:10,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:10,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:10,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 14:09:10,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 14:09:10,873 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 14:09:10,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 14:09:10,873 INFO L82 PathProgramCache]: Analyzing trace with hash -595240756, now seen corresponding path program 1 times [2021-08-07 14:09:10,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 14:09:10,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046625037] [2021-08-07 14:09:10,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 14:09:10,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 14:09:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 14:09:11,159 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-08-07 14:09:11,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 14:09:11,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046625037] [2021-08-07 14:09:11,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046625037] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 14:09:11,166 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775328931] [2021-08-07 14:09:11,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 14:09:11,167 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 14:09:11,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 14:09:11,172 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 14:09:11,195 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 14:09:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 14:09:11,265 WARN L261 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 67 conjunts are in the unsatisfiable core [2021-08-07 14:09:11,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 14:09:12,081 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 11 proven. 20 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2021-08-07 14:09:12,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775328931] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 14:09:12,082 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 14:09:12,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-08-07 14:09:12,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943825710] [2021-08-07 14:09:12,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-07 14:09:12,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 14:09:12,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-07 14:09:12,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-08-07 14:09:12,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:09:12,083 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 14:09:12,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.454545454545454) internal successors, (60), 10 states have internal predecessors, (60), 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 14:09:12,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:12,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:12,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 14:09:12,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:09:12,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:12,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:12,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 14:09:12,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 14:09:12,299 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 14:09:12,489 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 [2021-08-07 14:09:12,489 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 14:09:12,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 14:09:12,489 INFO L82 PathProgramCache]: Analyzing trace with hash -116335170, now seen corresponding path program 1 times [2021-08-07 14:09:12,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 14:09:12,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348348049] [2021-08-07 14:09:12,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 14:09:12,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 14:09:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 14:09:12,805 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 145 proven. 34 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2021-08-07 14:09:12,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 14:09:12,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348348049] [2021-08-07 14:09:12,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348348049] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 14:09:12,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006448336] [2021-08-07 14:09:12,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 14:09:12,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 14:09:12,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 14:09:12,807 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 14:09:12,839 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 14:09:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 14:09:12,941 WARN L261 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 97 conjunts are in the unsatisfiable core [2021-08-07 14:09:12,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 14:09:13,760 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 15 proven. 164 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2021-08-07 14:09:13,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006448336] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 14:09:13,760 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 14:09:13,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 12 [2021-08-07 14:09:13,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014936018] [2021-08-07 14:09:13,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-07 14:09:13,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 14:09:13,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-07 14:09:13,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-08-07 14:09:13,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:09:13,762 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 14:09:13,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.846153846153846) internal successors, (76), 12 states have internal predecessors, (76), 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 14:09:13,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:13,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:13,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 14:09:13,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 14:09:13,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:09:14,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:14,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:14,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 14:09:14,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 14:09:14,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 14:09:14,134 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 14:09:14,328 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 [2021-08-07 14:09:14,329 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 14:09:14,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 14:09:14,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1032304186, now seen corresponding path program 1 times [2021-08-07 14:09:14,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 14:09:14,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150348117] [2021-08-07 14:09:14,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 14:09:14,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 14:09:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 14:09:14,788 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 400 proven. 106 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2021-08-07 14:09:14,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 14:09:14,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150348117] [2021-08-07 14:09:14,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150348117] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 14:09:14,789 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108149196] [2021-08-07 14:09:14,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 14:09:14,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 14:09:14,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 14:09:14,793 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 14:09:14,816 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 14:09:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 14:09:14,993 WARN L261 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 157 conjunts are in the unsatisfiable core [2021-08-07 14:09:14,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 14:09:16,084 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 22 proven. 484 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2021-08-07 14:09:16,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108149196] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 14:09:16,085 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 14:09:16,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 14 [2021-08-07 14:09:16,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742447770] [2021-08-07 14:09:16,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-07 14:09:16,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 14:09:16,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-07 14:09:16,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-08-07 14:09:16,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:09:16,087 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 14:09:16,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.0) internal successors, (90), 14 states have internal predecessors, (90), 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 14:09:16,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:16,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:16,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 14:09:16,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 14:09:16,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 14:09:16,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:09:16,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:16,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:16,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 14:09:16,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 14:09:16,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 14:09:16,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 14:09:16,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-08-07 14:09:16,955 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 [2021-08-07 14:09:16,955 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 14:09:16,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 14:09:16,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1473949601, now seen corresponding path program 1 times [2021-08-07 14:09:16,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 14:09:16,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999147122] [2021-08-07 14:09:16,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 14:09:16,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 14:09:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 14:09:17,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1728 backedges. 948 proven. 359 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2021-08-07 14:09:17,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 14:09:17,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999147122] [2021-08-07 14:09:17,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999147122] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 14:09:17,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298072053] [2021-08-07 14:09:17,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 14:09:17,708 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 14:09:17,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 14:09:17,713 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) [2021-08-07 14:09:17,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-07 14:09:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 14:09:17,991 WARN L261 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 252 conjunts are in the unsatisfiable core [2021-08-07 14:09:17,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 14:09:19,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1728 backedges. 33 proven. 1274 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2021-08-07 14:09:19,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298072053] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 14:09:19,665 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 14:09:19,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 16 [2021-08-07 14:09:19,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605940825] [2021-08-07 14:09:19,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-07 14:09:19,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 14:09:19,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-07 14:09:19,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-08-07 14:09:19,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:09:19,666 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 14:09:19,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.352941176470588) internal successors, (108), 16 states have internal predecessors, (108), 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 14:09:19,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:19,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:19,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 14:09:19,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 14:09:19,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 14:09:19,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 14:09:19,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:09:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 14:09:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 14:09:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 14:09:21,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 14:09:21,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 14:09:21,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-08-07 14:09:21,683 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 [2021-08-07 14:09:21,683 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 14:09:21,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 14:09:21,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1445589612, now seen corresponding path program 1 times [2021-08-07 14:09:21,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 14:09:21,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134406566] [2021-08-07 14:09:21,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 14:09:21,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 14:09:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 14:09:23,120 INFO L134 CoverageAnalysis]: Checked inductivity of 5578 backedges. 3094 proven. 1248 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2021-08-07 14:09:23,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 14:09:23,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134406566] [2021-08-07 14:09:23,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134406566] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 14:09:23,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510355477] [2021-08-07 14:09:23,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 14:09:23,121 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 14:09:23,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 14:09:23,122 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 14:09:23,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-08-07 14:09:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 14:09:23,565 WARN L261 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 477 conjunts are in the unsatisfiable core [2021-08-07 14:09:23,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 14:09:26,241 INFO L134 CoverageAnalysis]: Checked inductivity of 5578 backedges. 59 proven. 4283 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked. [2021-08-07 14:09:26,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510355477] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 14:09:26,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 14:09:26,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2021-08-07 14:09:26,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925405867] [2021-08-07 14:09:26,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-07 14:09:26,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 14:09:26,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-07 14:09:26,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2021-08-07 14:09:26,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:09:26,243 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 14:09:26,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.473684210526316) internal successors, (142), 18 states have internal predecessors, (142), 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 14:09:26,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:26,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:26,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 14:09:26,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 14:09:26,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 14:09:26,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 14:09:26,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 14:09:26,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:09:32,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 14:09:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 14:09:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 14:09:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 14:09:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 14:09:32,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 14:09:32,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-07 14:09:32,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 14:09:32,758 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 14:09:32,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 14:09:32,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1218520603, now seen corresponding path program 1 times [2021-08-07 14:09:32,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 14:09:32,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705438453] [2021-08-07 14:09:32,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 14:09:32,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 14:09:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 14:09:36,334 INFO L134 CoverageAnalysis]: Checked inductivity of 18725 backedges. 10373 proven. 4502 refuted. 0 times theorem prover too weak. 3850 trivial. 0 not checked. [2021-08-07 14:09:36,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 14:09:36,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705438453] [2021-08-07 14:09:36,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705438453] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 14:09:36,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787838534] [2021-08-07 14:09:36,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 14:09:36,335 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 14:09:36,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 14:09:36,335 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 14:09:36,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-07 14:09:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 14:09:37,131 WARN L261 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 904 conjunts are in the unsatisfiable core [2021-08-07 14:09:37,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 14:09:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 18725 backedges. 108 proven. 14767 refuted. 0 times theorem prover too weak. 3850 trivial. 0 not checked. [2021-08-07 14:09:41,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787838534] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 14:09:41,386 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 14:09:41,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-08-07 14:09:41,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648144657] [2021-08-07 14:09:41,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-07 14:09:41,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 14:09:41,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-07 14:09:41,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=283, Unknown=0, NotChecked=0, Total=420 [2021-08-07 14:09:41,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:09:41,388 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 14:09:41,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 8.238095238095237) internal successors, (173), 20 states have internal predecessors, (173), 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 14:09:41,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:41,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:09:41,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 14:09:41,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 14:09:41,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 14:09:41,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 14:09:41,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 14:09:41,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 14:09:41,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:10:13,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:10:13,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:10:13,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 14:10:13,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 14:10:13,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 14:10:13,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 14:10:13,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 14:10:13,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 14:10:13,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-07 14:10:13,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-07 14:10:14,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-08-07 14:10:14,105 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 14:10:14,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 14:10:14,105 INFO L82 PathProgramCache]: Analyzing trace with hash 179249092, now seen corresponding path program 1 times [2021-08-07 14:10:14,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 14:10:14,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709619669] [2021-08-07 14:10:14,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 14:10:14,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 14:10:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 14:10:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 69672 backedges. 38348 proven. 17637 refuted. 0 times theorem prover too weak. 13687 trivial. 0 not checked. [2021-08-07 14:10:28,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 14:10:28,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709619669] [2021-08-07 14:10:28,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709619669] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 14:10:28,323 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644717700] [2021-08-07 14:10:28,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 14:10:28,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 14:10:28,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 14:10:28,325 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 14:10:28,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-08-07 14:10:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 14:10:30,191 WARN L261 TraceCheckSpWp]: Trace formula consists of 2374 conjuncts, 1779 conjunts are in the unsatisfiable core [2021-08-07 14:10:30,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 14:10:38,029 INFO L134 CoverageAnalysis]: Checked inductivity of 69672 backedges. 208 proven. 55777 refuted. 0 times theorem prover too weak. 13687 trivial. 0 not checked. [2021-08-07 14:10:38,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644717700] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 14:10:38,030 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 14:10:38,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-08-07 14:10:38,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073229813] [2021-08-07 14:10:38,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-08-07 14:10:38,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 14:10:38,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-07 14:10:38,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=344, Unknown=0, NotChecked=0, Total=506 [2021-08-07 14:10:38,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:10:38,032 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 14:10:38,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.434782608695652) internal successors, (217), 22 states have internal predecessors, (217), 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 14:10:38,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:10:38,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:10:38,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 14:10:38,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 14:10:38,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 14:10:38,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 14:10:38,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 14:10:38,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 14:10:38,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-08-07 14:10:38,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 14:11:10,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:11:10,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 14:11:10,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 14:11:10,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 14:11:10,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 14:11:10,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 14:11:10,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 14:11:10,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 14:11:10,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-07 14:11:10,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 14:11:10,366 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-07 14:11:10,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-08-07 14:11:10,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-07 14:11:10,573 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-08-07 14:11:10,574 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 14:11:10,574 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 14:11:10,577 INFO L202 PluginConnector]: Adding new model bluetooth-correct08.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 02:11:10 BasicIcfg [2021-08-07 14:11:10,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 14:11:10,578 INFO L168 Benchmark]: Toolchain (without parser) took 121902.69 ms. Allocated memory was 182.5 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 163.1 MB in the beginning and 5.8 GB in the end (delta: -5.6 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2021-08-07 14:11:10,578 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 182.5 MB. Free memory is still 164.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 14:11:10,578 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.53 ms. Allocated memory is still 182.5 MB. Free memory was 163.1 MB in the beginning and 161.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 14:11:10,579 INFO L168 Benchmark]: Boogie Preprocessor took 17.69 ms. Allocated memory is still 182.5 MB. Free memory was 161.2 MB in the beginning and 160.3 MB in the end (delta: 911.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 14:11:10,579 INFO L168 Benchmark]: RCFGBuilder took 265.66 ms. Allocated memory is still 182.5 MB. Free memory was 160.3 MB in the beginning and 144.7 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-08-07 14:11:10,579 INFO L168 Benchmark]: TraceAbstraction took 121575.28 ms. Allocated memory was 182.5 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 144.3 MB in the beginning and 5.8 GB in the end (delta: -5.6 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2021-08-07 14:11:10,579 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 0.13 ms. Allocated memory is still 182.5 MB. Free memory is still 164.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 38.53 ms. Allocated memory is still 182.5 MB. Free memory was 163.1 MB in the beginning and 161.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.69 ms. Allocated memory is still 182.5 MB. Free memory was 161.2 MB in the beginning and 160.3 MB in the end (delta: 911.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 265.66 ms. Allocated memory is still 182.5 MB. Free memory was 160.3 MB in the beginning and 144.7 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 121575.28 ms. Allocated memory was 182.5 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 144.3 MB in the beginning and 5.8 GB in the end (delta: -5.6 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1445, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1445, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1445, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1445, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1445, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1445, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1445, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1445, positive: 1309, positive conditional: 0, positive unconditional: 1309, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 136, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 463, positive: 144, positive conditional: 0, positive unconditional: 144, negative: 319, negative conditional: 0, negative unconditional: 319, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1445, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1445, unknown conditional: 0, unknown unconditional: 1445] , Statistics on independence cache: Total cache size (in pairs): 1445, Positive cache size: 1373, Positive conditional cache size: 0, Positive unconditional cache size: 1373, Negative cache size: 72, Negative conditional cache size: 0, Negative unconditional cache size: 72, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 521, Number of persistent set computation: 13, Number of trivial persistent sets: 5, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1445, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1445, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1445, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1445, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1445, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1445, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1445, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1445, positive: 1373, positive conditional: 0, positive unconditional: 1373, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1445, positive: 1309, positive conditional: 0, positive unconditional: 1309, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 136, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 463, positive: 144, positive conditional: 0, positive unconditional: 144, negative: 319, negative conditional: 0, negative unconditional: 319, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1445, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1445, unknown conditional: 0, unknown unconditional: 1445] , Statistics on independence cache: Total cache size (in pairs): 1445, Positive cache size: 1373, Positive conditional cache size: 0, Positive unconditional cache size: 1373, Negative cache size: 72, Negative conditional cache size: 0, Negative unconditional cache size: 72, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: 2204, positive: 2058, positive conditional: 0, positive unconditional: 2058, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2204, positive: 2058, positive conditional: 0, positive unconditional: 2058, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2204, positive: 2058, positive conditional: 0, positive unconditional: 2058, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2204, positive: 2058, positive conditional: 0, positive unconditional: 2058, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2204, positive: 2058, positive conditional: 0, positive unconditional: 2058, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2204, positive: 2058, positive conditional: 0, positive unconditional: 2058, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2045, positive: 1899, positive conditional: 0, positive unconditional: 1899, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2045, positive: 1754, positive conditional: 0, positive unconditional: 1754, negative: 291, negative conditional: 0, negative unconditional: 291, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 291, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 476, positive: 267, positive conditional: 0, positive unconditional: 267, negative: 209, negative conditional: 0, negative unconditional: 209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2204, positive: 159, positive conditional: 0, positive unconditional: 159, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2045, unknown conditional: 0, unknown unconditional: 2045] , Statistics on independence cache: Total cache size (in pairs): 2045, Positive cache size: 1899, Positive conditional cache size: 0, Positive unconditional cache size: 1899, Negative cache size: 146, Negative conditional cache size: 0, Negative unconditional cache size: 146, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 4750, Number of persistent set computation: 29660, Number of trivial persistent sets: 7402, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2204, positive: 2058, positive conditional: 0, positive unconditional: 2058, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2204, positive: 2058, positive conditional: 0, positive unconditional: 2058, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2204, positive: 2058, positive conditional: 0, positive unconditional: 2058, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2204, positive: 2058, positive conditional: 0, positive unconditional: 2058, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2204, positive: 2058, positive conditional: 0, positive unconditional: 2058, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2204, positive: 2058, positive conditional: 0, positive unconditional: 2058, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2204, positive: 2058, positive conditional: 0, positive unconditional: 2058, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2045, positive: 1899, positive conditional: 0, positive unconditional: 1899, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2045, positive: 1754, positive conditional: 0, positive unconditional: 1754, negative: 291, negative conditional: 0, negative unconditional: 291, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 291, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 146, negative conditional: 0, negative unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 476, positive: 267, positive conditional: 0, positive unconditional: 267, negative: 209, negative conditional: 0, negative unconditional: 209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2204, positive: 159, positive conditional: 0, positive unconditional: 159, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2045, unknown conditional: 0, unknown unconditional: 2045] , Statistics on independence cache: Total cache size (in pairs): 2045, Positive cache size: 1899, Positive conditional cache size: 0, Positive unconditional cache size: 1899, Negative cache size: 146, Negative conditional cache size: 0, Negative unconditional cache size: 146, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - 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: 41]: 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 13 procedures, 70 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 715.3ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 28.0ms, PartialOrderReductionTime: 560.2ms, 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 13 procedures, 70 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 120767.2ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.5ms, PartialOrderReductionTime: 74863.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 107, 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: 303.1ms SsaConstructionTime, 3075.4ms SatisfiabilityAnalysisTime, 38572.8ms InterpolantComputationTime, 4302 NumberOfCodeBlocks, 4302 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 4285 ConstructedInterpolants, 0 QuantifiedInterpolants, 25141 SizeOfPredicates, 7 NumberOfNonLiveVariables, 5166 ConjunctsInSsa, 3733 ConjunctsInUnsatCore, 17 InterpolantComputations, 3 PerfectInterpolantSequences, 93500/194157 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 14:11:10,614 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 [2021-08-07 14:11:10,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-08-07 14:11:11,023 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...