/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct07.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 19:10:43,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 19:10:43,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 19:10:43,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-07 19:10:43,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-07 19:10:43,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-07 19:10:43,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-07 19:10:43,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-07 19:10:43,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-07 19:10:43,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-07 19:10:43,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-07 19:10:43,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-07 19:10:43,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-07 19:10:43,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-07 19:10:43,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-07 19:10:43,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-07 19:10:43,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-07 19:10:43,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-07 19:10:43,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-07 19:10:43,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-07 19:10:43,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-07 19:10:43,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-07 19:10:43,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-07 19:10:43,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-07 19:10:43,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-07 19:10:43,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-07 19:10:43,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-07 19:10:43,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-07 19:10:43,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-07 19:10:43,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-07 19:10:43,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-07 19:10:43,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-07 19:10:43,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-07 19:10:43,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-07 19:10:43,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-07 19:10:43,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-07 19:10:43,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-07 19:10:43,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-07 19:10:43,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-07 19:10:43,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-07 19:10:43,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-07 19:10:43,492 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-08-07 19:10:43,529 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 19:10:43,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 19:10:43,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 19:10:43,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 19:10:43,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 19:10:43,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 19:10:43,534 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 19:10:43,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 19:10:43,535 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 19:10:43,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 19:10:43,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 19:10:43,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 19:10:43,536 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 19:10:43,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 19:10:43,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 19:10:43,536 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 19:10:43,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 19:10:43,537 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 19:10:43,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 19:10:43,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 19:10:43,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 19:10:43,537 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 19:10:43,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 19:10:43,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 19:10:43,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 19:10:43,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 19:10:43,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 19:10:43,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 19:10:43,539 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 19:10:43,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 19:10:43,539 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 19:10:43,539 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 19:10:43,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 19:10:43,540 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-07 19:10:43,540 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 19:10:43,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 19:10:43,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 19:10:43,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 19:10:43,845 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-07 19:10:43,850 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-07 19:10:43,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct07.bpl [2021-08-07 19:10:43,851 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/bluetooth-correct07.bpl' [2021-08-07 19:10:43,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 19:10:43,885 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-07 19:10:43,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 19:10:43,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 19:10:43,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 19:10:43,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:43" (1/1) ... [2021-08-07 19:10:43,905 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:43" (1/1) ... [2021-08-07 19:10:43,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 19:10:43,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 19:10:43,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 19:10:43,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 19:10:43,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:43" (1/1) ... [2021-08-07 19:10:43,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:43" (1/1) ... [2021-08-07 19:10:43,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:43" (1/1) ... [2021-08-07 19:10:43,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:43" (1/1) ... [2021-08-07 19:10:43,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:43" (1/1) ... [2021-08-07 19:10:43,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:43" (1/1) ... [2021-08-07 19:10:43,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:43" (1/1) ... [2021-08-07 19:10:43,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 19:10:43,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 19:10:43,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 19:10:43,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 19:10:43,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:43" (1/1) ... [2021-08-07 19:10:43,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 19:10:43,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:43,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 19:10:43,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 19:10:44,015 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThreadWithAssert given in one single declaration [2021-08-07 19:10:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThreadWithAssert [2021-08-07 19:10:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThreadWithAssert [2021-08-07 19:10:44,016 INFO L124 BoogieDeclarations]: Specification and implementation of procedure DeviceThread given in one single declaration [2021-08-07 19:10:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure DeviceThread [2021-08-07 19:10:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure DeviceThread [2021-08-07 19:10:44,017 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ServerThread given in one single declaration [2021-08-07 19:10:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure ServerThread [2021-08-07 19:10:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ServerThread [2021-08-07 19:10:44,017 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-07 19:10:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 19:10:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 19:10:44,018 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 19:10:44,228 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 19:10:44,228 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-07 19:10:44,229 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadWithAssertEXIT is neither atomic block end nor error location. [2021-08-07 19:10:44,229 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: DeviceThreadEXIT is neither atomic block end nor error location. [2021-08-07 19:10:44,230 INFO L202 PluginConnector]: Adding new model bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 07:10:44 BoogieIcfgContainer [2021-08-07 19:10:44,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 19:10:44,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 19:10:44,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 19:10:44,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 19:10:44,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 07:10:43" (1/2) ... [2021-08-07 19:10:44,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f336ae9 and model type bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 07:10:44, skipping insertion in model container [2021-08-07 19:10:44,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 07:10:44" (2/2) ... [2021-08-07 19:10:44,240 INFO L111 eAbstractionObserver]: Analyzing ICFG bluetooth-correct07.bpl [2021-08-07 19:10:44,244 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 19:10:44,244 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 19:10:44,244 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 19:10:44,244 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 19:10:44,279 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 19:10:44,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 19:10:44,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:44,331 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 19:10:44,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 19:10:44,362 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 19:10:44,372 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 19:10:44,380 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-08-07 19:10:44,778 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 19:10:44,779 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 19:10:44,779 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 19:10:44,779 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-07 19:10:44,779 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-07 19:10:44,779 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATION [2021-08-07 19:10:44,780 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6INUSE_VIOLATION [2021-08-07 19:10:44,780 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7INUSE_VIOLATION [2021-08-07 19:10:44,788 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-08-07 19:10:44,792 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 19:10:44,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:44,794 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 19:10:44,802 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == DeviceThreadWithAssertThread1of1ForFork1 ======== [2021-08-07 19:10:44,804 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 19:10:44,804 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-07 19:10:44,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-08-07 19:10:44,983 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:44,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:44,990 INFO L82 PathProgramCache]: Analyzing trace with hash 425563323, now seen corresponding path program 1 times [2021-08-07 19:10:44,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:44,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768382254] [2021-08-07 19:10:44,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:44,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:45,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 19:10:45,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:45,094 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768382254] [2021-08-07 19:10:45,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768382254] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 19:10:45,095 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 19:10:45,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 19:10:45,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341400162] [2021-08-07 19:10:45,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 19:10:45,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:45,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 19:10:45,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 19:10:45,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:45,114 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:45,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 19:10:45,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:45,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:45,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 19:10:45,229 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:45,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:45,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1758969363, now seen corresponding path program 1 times [2021-08-07 19:10:45,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:45,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799270637] [2021-08-07 19:10:45,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:45,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:45,291 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-07 19:10:45,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:45,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799270637] [2021-08-07 19:10:45,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799270637] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 19:10:45,292 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 19:10:45,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 19:10:45,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046074992] [2021-08-07 19:10:45,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 19:10:45,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:45,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 19:10:45,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 19:10:45,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:45,295 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:45,295 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 19:10:45,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:45,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:45,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:45,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:45,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 19:10:45,537 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:45,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:45,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1329718583, now seen corresponding path program 1 times [2021-08-07 19:10:45,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:45,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460427202] [2021-08-07 19:10:45,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:45,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:45,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 19:10:45,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:45,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460427202] [2021-08-07 19:10:45,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460427202] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 19:10:45,664 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 19:10:45,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-07 19:10:45,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994904580] [2021-08-07 19:10:45,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 19:10:45,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:45,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 19:10:45,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-08-07 19:10:45,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:45,670 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:45,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 19:10:45,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:45,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:45,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:46,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:46,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:46,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:46,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 19:10:46,032 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:46,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:46,033 INFO L82 PathProgramCache]: Analyzing trace with hash -2069733057, now seen corresponding path program 1 times [2021-08-07 19:10:46,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:46,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83369504] [2021-08-07 19:10:46,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:46,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-07 19:10:46,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:46,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83369504] [2021-08-07 19:10:46,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83369504] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:46,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081462244] [2021-08-07 19:10:46,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:46,228 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 19:10:46,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:46,236 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 19:10:46,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-07 19:10:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:46,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 24 conjunts are in the unsatisfiable core [2021-08-07 19:10:46,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 19:10:46,811 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-07 19:10:46,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081462244] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:46,811 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 19:10:46,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-08-07 19:10:46,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429899192] [2021-08-07 19:10:46,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-07 19:10:46,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:46,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-07 19:10:46,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-08-07 19:10:46,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:46,815 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:46,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 19:10:46,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:46,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:46,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:46,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:47,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:47,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:47,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:47,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 19:10:47,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-07 19:10:47,401 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 19:10:47,401 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:47,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:47,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1107455347, now seen corresponding path program 1 times [2021-08-07 19:10:47,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:47,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907695799] [2021-08-07 19:10:47,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:47,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:47,560 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-07 19:10:47,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:47,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907695799] [2021-08-07 19:10:47,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907695799] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:47,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378733003] [2021-08-07 19:10:47,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:47,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 19:10:47,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:47,565 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 19:10:47,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-07 19:10:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:47,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 28 conjunts are in the unsatisfiable core [2021-08-07 19:10:47,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 19:10:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-07 19:10:48,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378733003] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:48,078 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 19:10:48,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 11 [2021-08-07 19:10:48,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459347345] [2021-08-07 19:10:48,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-07 19:10:48,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:48,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-07 19:10:48,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2021-08-07 19:10:48,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:48,082 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:48,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 11 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 19:10:48,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:48,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:48,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:48,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 19:10:48,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:48,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:48,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:48,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:48,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 19:10:48,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 19:10:48,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-07 19:10:49,144 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 19:10:49,145 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:49,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:49,145 INFO L82 PathProgramCache]: Analyzing trace with hash 429265497, now seen corresponding path program 1 times [2021-08-07 19:10:49,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:49,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910084986] [2021-08-07 19:10:49,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:49,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:49,334 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-07 19:10:49,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:49,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910084986] [2021-08-07 19:10:49,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910084986] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:49,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392205957] [2021-08-07 19:10:49,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:49,336 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 19:10:49,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:49,336 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 19:10:49,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-07 19:10:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:49,446 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 54 conjunts are in the unsatisfiable core [2021-08-07 19:10:49,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 19:10:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-07 19:10:50,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392205957] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:50,072 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 19:10:50,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-08-07 19:10:50,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016276618] [2021-08-07 19:10:50,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-08-07 19:10:50,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:50,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-07 19:10:50,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-08-07 19:10:50,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:50,073 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:50,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.333333333333333) internal successors, (80), 14 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 19:10:50,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:50,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:50,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:50,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 19:10:50,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 19:10:50,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:51,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:51,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:51,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:51,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 19:10:51,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 19:10:51,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 19:10:51,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-07 19:10:52,123 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 19:10:52,123 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:10:52,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:10:52,124 INFO L82 PathProgramCache]: Analyzing trace with hash 699625180, now seen corresponding path program 1 times [2021-08-07 19:10:52,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:10:52,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511781792] [2021-08-07 19:10:52,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:52,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:10:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:52,436 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-07 19:10:52,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:10:52,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511781792] [2021-08-07 19:10:52,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511781792] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:52,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964797892] [2021-08-07 19:10:52,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:10:52,437 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 19:10:52,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:10:52,438 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 19:10:52,438 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 19:10:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:10:52,588 WARN L261 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 64 conjunts are in the unsatisfiable core [2021-08-07 19:10:52,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 19:10:53,150 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-07 19:10:53,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964797892] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:10:53,151 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 19:10:53,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-08-07 19:10:53,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032725913] [2021-08-07 19:10:53,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-07 19:10:53,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:10:53,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-07 19:10:53,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-08-07 19:10:53,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:10:53,153 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:10:53,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.117647058823529) internal successors, (87), 16 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 19:10:53,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:53,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:10:53,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:10:53,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 19:10:53,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 19:10:53,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 19:10:53,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:11:04,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:11:04,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:11:04,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:11:04,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 19:11:04,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 19:11:04,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 19:11:04,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 19:11:04,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-07 19:11:04,548 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 19:11:04,549 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT === [DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT] === [2021-08-07 19:11:04,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 19:11:04,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1755503590, now seen corresponding path program 1 times [2021-08-07 19:11:04,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 19:11:04,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264224278] [2021-08-07 19:11:04,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:11:04,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 19:11:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:11:04,827 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-07 19:11:04,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 19:11:04,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264224278] [2021-08-07 19:11:04,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264224278] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:11:04,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854344290] [2021-08-07 19:11:04,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 19:11:04,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 19:11:04,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 19:11:04,836 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 19:11:04,837 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 19:11:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 19:11:04,999 WARN L261 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 84 conjunts are in the unsatisfiable core [2021-08-07 19:11:05,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 19:11:05,576 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 3 proven. 38 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-07 19:11:05,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854344290] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 19:11:05,576 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 19:11:05,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-08-07 19:11:05,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270952599] [2021-08-07 19:11:05,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-07 19:11:05,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 19:11:05,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-07 19:11:05,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2021-08-07 19:11:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:11:05,578 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 19:11:05,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.2105263157894735) internal successors, (99), 18 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 19:11:05,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:11:05,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:11:05,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:11:05,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-07 19:11:05,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 19:11:05,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-08-07 19:11:05,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 19:11:05,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 19:11:49,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:11:49,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 19:11:49,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-07 19:11:49,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-07 19:11:49,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 19:11:49,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-07 19:11:49,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 19:11:49,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 19:11:49,779 INFO L764 garLoopResultBuilder]: Registering result SAFE for location DeviceThreadWithAssertErr0ASSERT_VIOLATIONASSERT [2021-08-07 19:11:49,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-08-07 19:11:49,980 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 19:11:49,983 INFO L308 ceAbstractionStarter]: Result for error location DeviceThreadWithAssertThread1of1ForFork1 was SAFE (2/2) [2021-08-07 19:11:49,984 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 19:11:49,984 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 19:11:49,987 INFO L202 PluginConnector]: Adding new model bluetooth-correct07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 07:11:49 BasicIcfg [2021-08-07 19:11:49,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 19:11:49,988 INFO L168 Benchmark]: Toolchain (without parser) took 66103.19 ms. Allocated memory was 216.0 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 196.4 MB in the beginning and 6.3 GB in the end (delta: -6.1 GB). Peak memory consumption was 1.6 GB. Max. memory is 8.0 GB. [2021-08-07 19:11:49,988 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 216.0 MB. Free memory was 197.6 MB in the beginning and 197.4 MB in the end (delta: 139.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 19:11:49,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.73 ms. Allocated memory is still 216.0 MB. Free memory was 196.4 MB in the beginning and 194.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-07 19:11:49,989 INFO L168 Benchmark]: Boogie Preprocessor took 16.05 ms. Allocated memory is still 216.0 MB. Free memory was 194.4 MB in the beginning and 193.5 MB in the end (delta: 898.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 19:11:49,989 INFO L168 Benchmark]: RCFGBuilder took 290.35 ms. Allocated memory is still 216.0 MB. Free memory was 193.5 MB in the beginning and 177.9 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-08-07 19:11:49,990 INFO L168 Benchmark]: TraceAbstraction took 65755.46 ms. Allocated memory was 216.0 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 177.5 MB in the beginning and 6.3 GB in the end (delta: -6.2 GB). Peak memory consumption was 1.6 GB. Max. memory is 8.0 GB. [2021-08-07 19:11:49,990 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 216.0 MB. Free memory was 197.6 MB in the beginning and 197.4 MB in the end (delta: 139.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 35.73 ms. Allocated memory is still 216.0 MB. Free memory was 196.4 MB in the beginning and 194.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.05 ms. Allocated memory is still 216.0 MB. Free memory was 194.4 MB in the beginning and 193.5 MB in the end (delta: 898.9 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 290.35 ms. Allocated memory is still 216.0 MB. Free memory was 193.5 MB in the beginning and 177.9 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 65755.46 ms. Allocated memory was 216.0 MB in the beginning and 8.0 GB in the end (delta: 7.8 GB). Free memory was 177.5 MB in the beginning and 6.3 GB in the end (delta: -6.2 GB). Peak memory consumption was 1.6 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: 1370, positive: 1293, positive conditional: 218, positive unconditional: 1075, negative: 77, negative conditional: 21, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1349, positive: 1293, positive conditional: 218, positive unconditional: 1075, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1349, positive: 1293, positive conditional: 218, positive unconditional: 1075, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1349, positive: 1293, positive conditional: 0, positive unconditional: 1293, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1349, positive: 1293, positive conditional: 0, positive unconditional: 1293, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1349, positive: 1293, positive conditional: 0, positive unconditional: 1293, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1131, positive: 1075, positive conditional: 0, positive unconditional: 1075, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1131, positive: 1026, positive conditional: 0, positive unconditional: 1026, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 105, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 298, positive: 124, positive conditional: 0, positive unconditional: 124, negative: 174, negative conditional: 0, negative unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1349, positive: 218, positive conditional: 0, positive unconditional: 218, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1131, unknown conditional: 0, unknown unconditional: 1131] , Statistics on independence cache: Total cache size (in pairs): 1131, Positive cache size: 1075, Positive conditional cache size: 0, Positive unconditional cache size: 1075, Negative cache size: 56, Negative conditional cache size: 0, Negative unconditional cache size: 56, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 21 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 339, Number of persistent set computation: 12, Number of trivial persistent sets: 5, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1131, positive: 1075, positive conditional: 0, positive unconditional: 1075, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1370, positive: 1293, positive conditional: 218, positive unconditional: 1075, negative: 77, negative conditional: 21, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1349, positive: 1293, positive conditional: 218, positive unconditional: 1075, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1349, positive: 1293, positive conditional: 218, positive unconditional: 1075, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1349, positive: 1293, positive conditional: 0, positive unconditional: 1293, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1349, positive: 1293, positive conditional: 0, positive unconditional: 1293, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1349, positive: 1293, positive conditional: 0, positive unconditional: 1293, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1131, positive: 1075, positive conditional: 0, positive unconditional: 1075, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1131, positive: 1026, positive conditional: 0, positive unconditional: 1026, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 105, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 298, positive: 124, positive conditional: 0, positive unconditional: 124, negative: 174, negative conditional: 0, negative unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1349, positive: 218, positive conditional: 0, positive unconditional: 218, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1131, unknown conditional: 0, unknown unconditional: 1131] , Statistics on independence cache: Total cache size (in pairs): 1131, Positive cache size: 1075, Positive conditional cache size: 0, Positive unconditional cache size: 1075, Negative cache size: 56, Negative conditional cache size: 0, Negative unconditional cache size: 56, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 21 - 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: 16511046, positive: 15878973, positive conditional: 15877328, positive unconditional: 1645, negative: 632073, negative conditional: 631959, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16051169, positive: 15878973, positive conditional: 15877328, positive unconditional: 1645, negative: 172196, negative conditional: 172082, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16051169, positive: 15878973, positive conditional: 15877328, positive unconditional: 1645, negative: 172196, negative conditional: 172082, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17665536, positive: 15878973, positive conditional: 15877321, positive unconditional: 1652, negative: 1786563, negative conditional: 1614367, negative unconditional: 172196, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17665536, positive: 15878973, positive conditional: 12422238, positive unconditional: 3456735, negative: 1786563, negative conditional: 901626, negative unconditional: 884937, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17665536, positive: 15878973, positive conditional: 12422238, positive unconditional: 3456735, negative: 1786563, negative conditional: 901626, negative unconditional: 884937, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5364, positive: 4199, positive conditional: 2613, positive unconditional: 1586, negative: 1165, negative conditional: 1051, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5364, positive: 1665, positive conditional: 0, positive unconditional: 1665, negative: 3699, negative conditional: 0, negative unconditional: 3699, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3699, positive: 2534, positive conditional: 2420, positive unconditional: 114, negative: 1165, negative conditional: 1051, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4219, positive: 2908, positive conditional: 2722, positive unconditional: 186, negative: 1310, negative conditional: 1134, negative unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 17665536, positive: 15874774, positive conditional: 12419625, positive unconditional: 3455149, negative: 1785398, negative conditional: 900575, negative unconditional: 884823, unknown: 5364, unknown conditional: 3664, unknown unconditional: 1700] , Statistics on independence cache: Total cache size (in pairs): 5364, Positive cache size: 4199, Positive conditional cache size: 2613, Positive unconditional cache size: 1586, Negative cache size: 1165, Negative conditional cache size: 1051, Negative unconditional cache size: 114, Eliminated conditions: 4167824, Maximal queried relation: 8, Independence queries for same thread: 459877 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1708, Number of persistent set computation: 9842, Number of trivial persistent sets: 2427, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1759, positive: 1645, positive conditional: 0, positive unconditional: 1645, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16511046, positive: 15878973, positive conditional: 15877328, positive unconditional: 1645, negative: 632073, negative conditional: 631959, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16051169, positive: 15878973, positive conditional: 15877328, positive unconditional: 1645, negative: 172196, negative conditional: 172082, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16051169, positive: 15878973, positive conditional: 15877328, positive unconditional: 1645, negative: 172196, negative conditional: 172082, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17665536, positive: 15878973, positive conditional: 15877321, positive unconditional: 1652, negative: 1786563, negative conditional: 1614367, negative unconditional: 172196, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17665536, positive: 15878973, positive conditional: 12422238, positive unconditional: 3456735, negative: 1786563, negative conditional: 901626, negative unconditional: 884937, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17665536, positive: 15878973, positive conditional: 12422238, positive unconditional: 3456735, negative: 1786563, negative conditional: 901626, negative unconditional: 884937, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5364, positive: 4199, positive conditional: 2613, positive unconditional: 1586, negative: 1165, negative conditional: 1051, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5364, positive: 1665, positive conditional: 0, positive unconditional: 1665, negative: 3699, negative conditional: 0, negative unconditional: 3699, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3699, positive: 2534, positive conditional: 2420, positive unconditional: 114, negative: 1165, negative conditional: 1051, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4219, positive: 2908, positive conditional: 2722, positive unconditional: 186, negative: 1310, negative conditional: 1134, negative unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 17665536, positive: 15874774, positive conditional: 12419625, positive unconditional: 3455149, negative: 1785398, negative conditional: 900575, negative unconditional: 884823, unknown: 5364, unknown conditional: 3664, unknown unconditional: 1700] , Statistics on independence cache: Total cache size (in pairs): 5364, Positive cache size: 4199, Positive conditional cache size: 2613, Positive unconditional cache size: 1586, Negative cache size: 1165, Negative conditional cache size: 1051, Negative unconditional cache size: 114, Eliminated conditions: 4167824, Maximal queried relation: 8, Independence queries for same thread: 459877 - 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: 40]: 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 12 procedures, 65 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 462.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 25.3ms, PartialOrderReductionTime: 370.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: DeviceThreadWithAssertThread1of1ForFork1 with 1 thread instances CFG has 12 procedures, 65 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 65191.0ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.6ms, PartialOrderReductionTime: 59315.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 75, 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: 44.7ms SsaConstructionTime, 175.2ms SatisfiabilityAnalysisTime, 3939.2ms InterpolantComputationTime, 485 NumberOfCodeBlocks, 485 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 472 ConstructedInterpolants, 0 QuantifiedInterpolants, 2428 SizeOfPredicates, 5 NumberOfNonLiveVariables, 464 ConjunctsInSsa, 254 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 150/261 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-07 19:11:50,457 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 19:11:50,660 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 19:11:50,861 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...