/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 23:23:56,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 23:23:56,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 23:23:56,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-07 23:23:56,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-07 23:23:56,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-07 23:23:56,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-07 23:23:56,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-07 23:23:56,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-07 23:23:56,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-07 23:23:56,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-07 23:23:56,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-07 23:23:56,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-07 23:23:56,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-07 23:23:56,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-07 23:23:56,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-07 23:23:56,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-07 23:23:56,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-07 23:23:56,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-07 23:23:56,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-07 23:23:56,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-07 23:23:56,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-07 23:23:56,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-07 23:23:56,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-07 23:23:56,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-07 23:23:56,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-07 23:23:56,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-07 23:23:56,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-07 23:23:56,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-07 23:23:56,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-07 23:23:56,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-07 23:23:56,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-07 23:23:56,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-07 23:23:56,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-07 23:23:56,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-07 23:23:56,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-07 23:23:56,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-07 23:23:56,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-07 23:23:56,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-07 23:23:56,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-07 23:23:56,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-07 23:23:56,371 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-08-07 23:23:56,394 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 23:23:56,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 23:23:56,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 23:23:56,395 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 23:23:56,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 23:23:56,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 23:23:56,397 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 23:23:56,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 23:23:56,398 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 23:23:56,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 23:23:56,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 23:23:56,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 23:23:56,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 23:23:56,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 23:23:56,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 23:23:56,399 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 23:23:56,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 23:23:56,399 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 23:23:56,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 23:23:56,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 23:23:56,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 23:23:56,400 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 23:23:56,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 23:23:56,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 23:23:56,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 23:23:56,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 23:23:56,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 23:23:56,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 23:23:56,400 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 23:23:56,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 23:23:56,401 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 23:23:56,401 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 23:23:56,401 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 23:23:56,401 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-07 23:23:56,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 23:23:56,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 23:23:56,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 23:23:56,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 23:23:56,691 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-07 23:23:56,692 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-07 23:23:56,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl [2021-08-07 23:23:56,693 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc-dec.wvr.bpl' [2021-08-07 23:23:56,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 23:23:56,724 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-07 23:23:56,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 23:23:56,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 23:23:56,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 23:23:56,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:23:56" (1/1) ... [2021-08-07 23:23:56,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:23:56" (1/1) ... [2021-08-07 23:23:56,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 23:23:56,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 23:23:56,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 23:23:56,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 23:23:56,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:23:56" (1/1) ... [2021-08-07 23:23:56,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:23:56" (1/1) ... [2021-08-07 23:23:56,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:23:56" (1/1) ... [2021-08-07 23:23:56,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:23:56" (1/1) ... [2021-08-07 23:23:56,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:23:56" (1/1) ... [2021-08-07 23:23:56,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:23:56" (1/1) ... [2021-08-07 23:23:56,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:23:56" (1/1) ... [2021-08-07 23:23:56,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 23:23:56,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 23:23:56,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 23:23:56,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 23:23:56,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:23:56" (1/1) ... [2021-08-07 23:23:56,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 23:23:56,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:23:56,786 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 23:23:56,792 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 23:23:56,818 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-07 23:23:56,818 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-07 23:23:56,818 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-07 23:23:56,819 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-07 23:23:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-07 23:23:56,819 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-07 23:23:56,819 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-07 23:23:56,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 23:23:56,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 23:23:56,820 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-07 23:23:56,820 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-07 23:23:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-07 23:23:56,821 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-07 23:23:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-07 23:23:56,821 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-07 23:23:56,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-08-07 23:23:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-08-07 23:23:56,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-08-07 23:23:56,825 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 23:23:57,064 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 23:23:57,065 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-07 23:23:57,066 INFO L202 PluginConnector]: Adding new model min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 11:23:57 BoogieIcfgContainer [2021-08-07 23:23:57,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 23:23:57,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 23:23:57,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 23:23:57,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 23:23:57,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.08 11:23:56" (1/2) ... [2021-08-07 23:23:57,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671d6eae and model type min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 11:23:57, skipping insertion in model container [2021-08-07 23:23:57,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 11:23:57" (2/2) ... [2021-08-07 23:23:57,071 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-inc-dec.wvr.bpl [2021-08-07 23:23:57,074 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 23:23:57,074 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 23:23:57,074 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 23:23:57,074 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 23:23:57,139 INFO L148 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-08-07 23:23:57,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 23:23:57,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:23:57,208 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 23:23:57,238 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 23:23:57,247 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 23:23:57,252 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 23:23:57,252 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-07 23:23:57,496 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-08-07 23:23:57,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:23:57,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1403566555, now seen corresponding path program 1 times [2021-08-07 23:23:57,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:23:57,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873135444] [2021-08-07 23:23:57,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:23:57,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:23:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:23:57,979 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 22 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:23:57,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:23:57,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873135444] [2021-08-07 23:23:57,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873135444] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:23:57,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427941200] [2021-08-07 23:23:57,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:23:57,980 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:23:57,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:23:58,001 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 23:23:58,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-07 23:23:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:23:58,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-07 23:23:58,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:23:58,520 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 33 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-08-07 23:23:58,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427941200] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:23:58,521 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:23:58,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5] total 20 [2021-08-07 23:23:58,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383236268] [2021-08-07 23:23:58,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-08-07 23:23:58,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:23:58,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-08-07 23:23:58,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2021-08-07 23:23:58,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:23:58,536 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:23:58,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.333333333333333) internal successors, (91), 20 states have internal predecessors, (91), 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 23:23:58,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:23:58,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-07 23:23:58,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-08-07 23:23:59,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-08-07 23:23:59,024 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-08-07 23:23:59,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:23:59,025 INFO L82 PathProgramCache]: Analyzing trace with hash 224840957, now seen corresponding path program 2 times [2021-08-07 23:23:59,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:23:59,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017115930] [2021-08-07 23:23:59,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:23:59,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:23:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:23:59,247 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 49 proven. 58 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-08-07 23:23:59,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:23:59,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017115930] [2021-08-07 23:23:59,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017115930] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:23:59,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858164046] [2021-08-07 23:23:59,248 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 23:23:59,248 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:23:59,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:23:59,249 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 23:23:59,263 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 23:23:59,332 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 23:23:59,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:23:59,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-07 23:23:59,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:23:59,682 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 78 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-08-07 23:23:59,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858164046] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:23:59,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:23:59,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 22 [2021-08-07 23:23:59,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204424227] [2021-08-07 23:23:59,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-08-07 23:23:59,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:23:59,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-08-07 23:23:59,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2021-08-07 23:23:59,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:23:59,684 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:23:59,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.739130434782608) internal successors, (109), 22 states have internal predecessors, (109), 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 23:23:59,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-08-07 23:23:59,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:24:00,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 23:24:00,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-07 23:24:00,466 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 23:24:00,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:24:00,666 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-08-07 23:24:00,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:24:00,667 INFO L82 PathProgramCache]: Analyzing trace with hash 2030821625, now seen corresponding path program 3 times [2021-08-07 23:24:00,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:24:00,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456132078] [2021-08-07 23:24:00,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:24:00,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:24:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:24:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 179 proven. 156 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-08-07 23:24:00,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:24:00,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456132078] [2021-08-07 23:24:00,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456132078] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:24:00,974 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454227354] [2021-08-07 23:24:00,974 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-07 23:24:00,974 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:24:00,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:24:00,975 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 23:24:00,976 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 23:24:01,139 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-08-07 23:24:01,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:24:01,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-07 23:24:01,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:24:01,590 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 175 proven. 40 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-08-07 23:24:01,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454227354] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:24:01,590 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:24:01,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 6] total 28 [2021-08-07 23:24:01,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97211881] [2021-08-07 23:24:01,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-08-07 23:24:01,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:24:01,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-08-07 23:24:01,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=665, Unknown=0, NotChecked=0, Total=812 [2021-08-07 23:24:01,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:24:01,592 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:24:01,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.241379310344827) internal successors, (123), 28 states have internal predecessors, (123), 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 23:24:01,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 23:24:01,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-07 23:24:01,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:24:02,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 23:24:02,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-07 23:24:02,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-08-07 23:24:02,814 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 23:24:03,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:24:03,012 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-08-07 23:24:03,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:24:03,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1364507565, now seen corresponding path program 4 times [2021-08-07 23:24:03,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:24:03,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480057705] [2021-08-07 23:24:03,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:24:03,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:24:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:24:03,262 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 258 proven. 160 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-08-07 23:24:03,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:24:03,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480057705] [2021-08-07 23:24:03,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480057705] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:24:03,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731749119] [2021-08-07 23:24:03,262 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-07 23:24:03,262 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:24:03,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:24:03,266 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 23:24:03,266 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 23:24:03,399 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-07 23:24:03,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:24:03,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 22 conjunts are in the unsatisfiable core [2021-08-07 23:24:03,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:24:03,997 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 383 proven. 41 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-08-07 23:24:03,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731749119] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:24:03,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:24:03,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 13] total 32 [2021-08-07 23:24:03,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457118473] [2021-08-07 23:24:03,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2021-08-07 23:24:03,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:24:03,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-08-07 23:24:03,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=861, Unknown=0, NotChecked=0, Total=1056 [2021-08-07 23:24:03,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:24:03,999 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:24:03,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.363636363636363) internal successors, (144), 32 states have internal predecessors, (144), 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 23:24:03,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 23:24:03,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-08-07 23:24:03,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-08-07 23:24:03,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:24:06,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 23:24:06,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-07 23:24:06,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-07 23:24:06,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-08-07 23:24:06,539 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 23:24:06,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:24:06,737 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-08-07 23:24:06,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:24:06,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1814572765, now seen corresponding path program 5 times [2021-08-07 23:24:06,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:24:06,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243497376] [2021-08-07 23:24:06,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:24:06,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:24:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:24:09,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3702 backedges. 2382 proven. 1297 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-08-07 23:24:09,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:24:09,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243497376] [2021-08-07 23:24:09,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243497376] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:24:09,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271811799] [2021-08-07 23:24:09,106 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-08-07 23:24:09,106 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:24:09,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:24:09,107 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 23:24:09,108 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 23:24:17,207 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2021-08-07 23:24:17,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:24:17,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 39 conjunts are in the unsatisfiable core [2021-08-07 23:24:17,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 23:24:18,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3702 backedges. 2910 proven. 170 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2021-08-07 23:24:18,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271811799] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:24:18,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 23:24:18,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 16] total 89 [2021-08-07 23:24:18,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825539576] [2021-08-07 23:24:18,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2021-08-07 23:24:18,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 23:24:18,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2021-08-07 23:24:18,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1553, Invalid=6457, Unknown=0, NotChecked=0, Total=8010 [2021-08-07 23:24:18,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:24:18,941 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 23:24:18,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 3.2333333333333334) internal successors, (291), 89 states have internal predecessors, (291), 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 23:24:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-08-07 23:24:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-08-07 23:24:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2021-08-07 23:24:18,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2021-08-07 23:24:18,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 23:24:22,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-07 23:24:22,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-08-07 23:24:22,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2021-08-07 23:24:22,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-08-07 23:24:22,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-08-07 23:24:22,649 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 23:24:22,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:24:22,837 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 2 more)] === [2021-08-07 23:24:22,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 23:24:22,837 INFO L82 PathProgramCache]: Analyzing trace with hash -2053981583, now seen corresponding path program 6 times [2021-08-07 23:24:22,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 23:24:22,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942506410] [2021-08-07 23:24:22,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 23:24:22,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 23:24:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 23:24:25,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1659 backedges. 942 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 23:24:25,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 23:24:25,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942506410] [2021-08-07 23:24:25,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942506410] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 23:24:25,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848981818] [2021-08-07 23:24:25,305 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-08-07 23:24:25,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:24:25,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 23:24:25,321 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 23:24:25,345 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 23:24:26,291 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2021-08-07 23:24:26,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 23:24:26,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 171 conjunts are in the unsatisfiable core [2021-08-07 23:24:26,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-08-07 23:38:29,699 WARN L223 SmtUtils]: Removed 1 from assertion stack [2021-08-07 23:38:29,706 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-07 23:38:29,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-08-07 23:38:29,731 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-07 23:38:29,731 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-07 23:38:29,731 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-07 23:38:29,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 23:38:29,928 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 190 with TraceHistMax 23,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 11ms.. [2021-08-07 23:38:29,933 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 23:38:29,933 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 23:38:29,933 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 23:38:29,933 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION [2021-08-07 23:38:29,933 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATION [2021-08-07 23:38:29,941 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 23:38:29,941 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 23:38:29,952 INFO L202 PluginConnector]: Adding new model min-max-inc-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 11:38:29 BasicIcfg [2021-08-07 23:38:29,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 23:38:29,952 INFO L168 Benchmark]: Toolchain (without parser) took 873228.35 ms. Allocated memory was 194.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 173.5 MB in the beginning and 821.9 MB in the end (delta: -648.5 MB). Peak memory consumption was 860.0 MB. Max. memory is 8.0 GB. [2021-08-07 23:38:29,953 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 194.0 MB. Free memory is still 174.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 23:38:29,953 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.56 ms. Allocated memory is still 194.0 MB. Free memory was 173.4 MB in the beginning and 171.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 23:38:29,953 INFO L168 Benchmark]: Boogie Preprocessor took 11.10 ms. Allocated memory is still 194.0 MB. Free memory was 171.8 MB in the beginning and 170.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 23:38:29,953 INFO L168 Benchmark]: RCFGBuilder took 310.83 ms. Allocated memory is still 194.0 MB. Free memory was 170.7 MB in the beginning and 155.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-08-07 23:38:29,953 INFO L168 Benchmark]: TraceAbstraction took 872884.48 ms. Allocated memory was 194.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 155.2 MB in the beginning and 821.9 MB in the end (delta: -666.7 MB). Peak memory consumption was 842.2 MB. Max. memory is 8.0 GB. [2021-08-07 23:38:29,953 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 0.12 ms. Allocated memory is still 194.0 MB. Free memory is still 174.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 18.56 ms. Allocated memory is still 194.0 MB. Free memory was 173.4 MB in the beginning and 171.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.10 ms. Allocated memory is still 194.0 MB. Free memory was 171.8 MB in the beginning and 170.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 310.83 ms. Allocated memory is still 194.0 MB. Free memory was 170.7 MB in the beginning and 155.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 872884.48 ms. Allocated memory was 194.0 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 155.2 MB in the beginning and 821.9 MB in the end (delta: -666.7 MB). Peak memory consumption was 842.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10711, positive: 9197, positive conditional: 8234, positive unconditional: 963, negative: 1514, negative conditional: 1488, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9688, positive: 9197, positive conditional: 8234, positive unconditional: 963, negative: 491, negative conditional: 465, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9688, positive: 9197, positive conditional: 8234, positive unconditional: 963, negative: 491, negative conditional: 465, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11315, positive: 9197, positive conditional: 7755, positive unconditional: 1442, negative: 2118, negative conditional: 1627, negative unconditional: 491, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11315, positive: 9197, positive conditional: 6359, positive unconditional: 2838, negative: 2118, negative conditional: 1059, negative unconditional: 1059, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11315, positive: 9197, positive conditional: 6359, positive unconditional: 2838, negative: 2118, negative conditional: 1059, negative unconditional: 1059, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1325, positive: 872, positive conditional: 28, positive unconditional: 844, negative: 453, negative conditional: 427, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1325, positive: 842, positive conditional: 0, positive unconditional: 842, negative: 483, negative conditional: 0, negative unconditional: 483, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 483, positive: 30, positive conditional: 28, positive unconditional: 2, negative: 453, negative conditional: 427, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 688, positive: 49, positive conditional: 37, positive unconditional: 13, negative: 639, negative conditional: 534, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11315, positive: 8325, positive conditional: 6331, positive unconditional: 1994, negative: 1665, negative conditional: 632, negative unconditional: 1033, unknown: 1325, unknown conditional: 455, unknown unconditional: 870] , Statistics on independence cache: Total cache size (in pairs): 1325, Positive cache size: 872, Positive conditional cache size: 28, Positive unconditional cache size: 844, Negative cache size: 453, Negative conditional cache size: 427, Negative unconditional cache size: 26, Eliminated conditions: 1964, Maximal queried relation: 5, Independence queries for same thread: 1023 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 182, Number of persistent set computation: 142, Number of trivial persistent sets: 46, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 989, positive: 963, positive conditional: 0, positive unconditional: 963, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10711, positive: 9197, positive conditional: 8234, positive unconditional: 963, negative: 1514, negative conditional: 1488, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9688, positive: 9197, positive conditional: 8234, positive unconditional: 963, negative: 491, negative conditional: 465, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9688, positive: 9197, positive conditional: 8234, positive unconditional: 963, negative: 491, negative conditional: 465, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11315, positive: 9197, positive conditional: 7755, positive unconditional: 1442, negative: 2118, negative conditional: 1627, negative unconditional: 491, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11315, positive: 9197, positive conditional: 6359, positive unconditional: 2838, negative: 2118, negative conditional: 1059, negative unconditional: 1059, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11315, positive: 9197, positive conditional: 6359, positive unconditional: 2838, negative: 2118, negative conditional: 1059, negative unconditional: 1059, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1325, positive: 872, positive conditional: 28, positive unconditional: 844, negative: 453, negative conditional: 427, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1325, positive: 842, positive conditional: 0, positive unconditional: 842, negative: 483, negative conditional: 0, negative unconditional: 483, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 483, positive: 30, positive conditional: 28, positive unconditional: 2, negative: 453, negative conditional: 427, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 688, positive: 49, positive conditional: 37, positive unconditional: 13, negative: 639, negative conditional: 534, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11315, positive: 8325, positive conditional: 6331, positive unconditional: 1994, negative: 1665, negative conditional: 632, negative unconditional: 1033, unknown: 1325, unknown conditional: 455, unknown unconditional: 870] , Statistics on independence cache: Total cache size (in pairs): 1325, Positive cache size: 872, Positive conditional cache size: 28, Positive unconditional cache size: 844, Negative cache size: 453, Negative conditional cache size: 427, Negative unconditional cache size: 26, Eliminated conditions: 1964, Maximal queried relation: 5, Independence queries for same thread: 1023 - 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 - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 190 with TraceHistMax 23,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 11ms.. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 190 with TraceHistMax 23,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 11ms.. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 190 with TraceHistMax 23,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 11ms.. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 190 with TraceHistMax 23,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 11ms.. - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 190 with TraceHistMax 23,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 11ms.. - TimeoutResultAtElement [Line: 79]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 190 with TraceHistMax 23,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 11ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 11 procedures, 67 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 872745.4ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.3ms, PartialOrderReductionTime: 8663.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 317, 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: 69.2ms SsaConstructionTime, 8265.9ms SatisfiabilityAnalysisTime, 6893.7ms InterpolantComputationTime, 1134 NumberOfCodeBlocks, 1124 NumberOfCodeBlocksAsserted, 64 NumberOfCheckSat, 1124 ConstructedInterpolants, 0 QuantifiedInterpolants, 6740 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1425 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 10 InterpolantComputations, 0 PerfectInterpolantSequences, 7439/9424 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown