/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/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/queue_ok.line363.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-30 06:13:46,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-30 06:13:46,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-30 06:13:46,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-30 06:13:46,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-30 06:13:46,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-30 06:13:46,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-30 06:13:46,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-30 06:13:46,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-30 06:13:46,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-30 06:13:46,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-30 06:13:46,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-30 06:13:46,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-30 06:13:46,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-30 06:13:46,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-30 06:13:46,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-30 06:13:46,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-30 06:13:46,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-30 06:13:46,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-30 06:13:46,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-30 06:13:46,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-30 06:13:46,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-30 06:13:46,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-30 06:13:46,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-30 06:13:46,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-30 06:13:46,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-30 06:13:46,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-30 06:13:46,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-30 06:13:46,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-30 06:13:46,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-30 06:13:46,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-30 06:13:46,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-30 06:13:46,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-30 06:13:46,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-30 06:13:46,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-30 06:13:46,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-30 06:13:46,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-30 06:13:46,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-30 06:13:46,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-30 06:13:46,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-30 06:13:46,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-30 06:13:46,573 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-30 06:13:46,590 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-30 06:13:46,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-30 06:13:46,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-30 06:13:46,591 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-30 06:13:46,592 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-30 06:13:46,592 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-30 06:13:46,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-30 06:13:46,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-30 06:13:46,592 INFO L138 SettingsManager]: * Use SBE=true [2022-09-30 06:13:46,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-30 06:13:46,593 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-30 06:13:46,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-30 06:13:46,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-30 06:13:46,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-30 06:13:46,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-30 06:13:46,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-30 06:13:46,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-30 06:13:46,593 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-30 06:13:46,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-30 06:13:46,594 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-30 06:13:46,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-30 06:13:46,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-30 06:13:46,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-30 06:13:46,594 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-30 06:13:46,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-30 06:13:46,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-30 06:13:46,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-30 06:13:46,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-30 06:13:46,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-30 06:13:46,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-30 06:13:46,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-30 06:13:46,595 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-30 06:13:46,595 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-30 06:13:46,595 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-30 06:13:46,595 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-30 06:13:46,595 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-30 06:13:46,595 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-30 06:13:46,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-30 06:13:46,595 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-30 06:13:46,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-30 06:13:46,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-30 06:13:46,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-30 06:13:46,846 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-30 06:13:46,847 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-30 06:13:46,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/queue_ok.line363.bpl [2022-09-30 06:13:46,848 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/queue_ok.line363.bpl' [2022-09-30 06:13:46,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-30 06:13:46,903 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-30 06:13:46,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-30 06:13:46,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-30 06:13:46,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-30 06:13:46,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue_ok.line363.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 06:13:46" (1/1) ... [2022-09-30 06:13:46,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue_ok.line363.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 06:13:46" (1/1) ... [2022-09-30 06:13:46,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue_ok.line363.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 06:13:46" (1/1) ... [2022-09-30 06:13:46,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue_ok.line363.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 06:13:46" (1/1) ... [2022-09-30 06:13:46,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue_ok.line363.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 06:13:46" (1/1) ... [2022-09-30 06:13:46,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue_ok.line363.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 06:13:46" (1/1) ... [2022-09-30 06:13:46,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue_ok.line363.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 06:13:46" (1/1) ... [2022-09-30 06:13:47,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-30 06:13:47,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-30 06:13:47,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-30 06:13:47,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-30 06:13:47,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue_ok.line363.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 06:13:46" (1/1) ... [2022-09-30 06:13:47,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-30 06:13:47,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 06:13:47,049 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) [2022-09-30 06:13:47,051 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 [2022-09-30 06:13:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-09-30 06:13:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-09-30 06:13:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-09-30 06:13:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-09-30 06:13:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-30 06:13:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-30 06:13:47,086 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-30 06:13:47,264 INFO L234 CfgBuilder]: Building ICFG [2022-09-30 06:13:47,266 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-30 06:13:47,703 INFO L275 CfgBuilder]: Performing block encoding [2022-09-30 06:13:47,717 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-30 06:13:47,717 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-09-30 06:13:47,719 INFO L202 PluginConnector]: Adding new model queue_ok.line363.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 06:13:47 BoogieIcfgContainer [2022-09-30 06:13:47,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-30 06:13:47,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-30 06:13:47,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-30 06:13:47,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-30 06:13:47,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue_ok.line363.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 06:13:46" (1/2) ... [2022-09-30 06:13:47,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64eb27d3 and model type queue_ok.line363.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 06:13:47, skipping insertion in model container [2022-09-30 06:13:47,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue_ok.line363.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 06:13:47" (2/2) ... [2022-09-30 06:13:47,727 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok.line363.bpl [2022-09-30 06:13:47,733 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-30 06:13:47,741 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-30 06:13:47,741 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-30 06:13:47,741 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-30 06:13:47,895 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-30 06:13:47,952 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 06:13:47,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 06:13:47,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 06:13:47,956 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) [2022-09-30 06:13:47,956 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 [2022-09-30 06:13:47,983 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 06:13:47,990 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-30 06:13:47,996 INFO L357 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, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5873e1e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 06:13:47,996 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 06:13:48,060 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-30 06:13:48,064 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-30 06:13:48,066 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/4) [2022-09-30 06:13:48,074 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 06:13:48,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 06:13:48,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 06:13:48,076 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) [2022-09-30 06:13:48,082 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 [2022-09-30 06:13:48,086 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 06:13:48,086 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-30 06:13:48,088 INFO L357 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, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5873e1e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 06:13:48,088 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 06:13:48,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-30 06:13:48,429 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-30 06:13:48,433 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2022-09-30 06:13:48,446 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 06:13:48,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 06:13:48,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 06:13:48,489 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-30 06:13:48,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-09-30 06:13:48,493 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 06:13:48,493 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err0ASSERT_VIOLATIONASSERT ======== [2022-09-30 06:13:48,494 INFO L357 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, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5873e1e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 06:13:48,494 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 06:13:48,494 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-09-30 06:13:48,494 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-30 06:13:48,495 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-30 06:13:48,495 INFO L307 ceAbstractionStarter]: Result for error location t1Err0ASSERT_VIOLATIONASSERT was SAFE (3/4) [2022-09-30 06:13:48,501 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 06:13:48,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 06:13:48,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 06:13:48,505 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-30 06:13:48,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-09-30 06:13:48,513 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 06:13:48,513 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err0ASSERT_VIOLATIONASSERT ======== [2022-09-30 06:13:48,514 INFO L357 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, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5873e1e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 06:13:48,514 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 06:13:50,037 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-09-30 06:13:50,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 06:13:50,046 INFO L85 PathProgramCache]: Analyzing trace with hash 851959826, now seen corresponding path program 1 times [2022-09-30 06:13:50,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 06:13:50,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894252048] [2022-09-30 06:13:50,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 06:13:50,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 06:13:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 06:13:50,635 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 700 trivial. 0 not checked. [2022-09-30 06:13:50,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 06:13:50,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894252048] [2022-09-30 06:13:50,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894252048] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 06:13:50,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 06:13:50,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-30 06:13:50,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878798943] [2022-09-30 06:13:50,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 06:13:50,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-30 06:13:50,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 06:13:50,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-30 06:13:50,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-30 06:13:50,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:13:50,680 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 06:13:50,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 201.0) internal successors, (402), 2 states have internal predecessors, (402), 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) [2022-09-30 06:13:50,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:13:51,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:13:51,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-30 06:13:51,675 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-09-30 06:13:51,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 06:13:51,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1492845406, now seen corresponding path program 1 times [2022-09-30 06:13:51,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 06:13:51,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724535889] [2022-09-30 06:13:51,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 06:13:51,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 06:13:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 06:13:52,255 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-09-30 06:13:52,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 06:13:52,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724535889] [2022-09-30 06:13:52,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724535889] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 06:13:52,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 06:13:52,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-09-30 06:13:52,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631385847] [2022-09-30 06:13:52,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 06:13:52,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-30 06:13:52,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 06:13:52,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-30 06:13:52,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-09-30 06:13:52,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:13:52,262 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 06:13:52,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.0) internal successors, (480), 6 states have internal predecessors, (480), 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) [2022-09-30 06:13:52,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:13:52,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:13:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:13:52,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-30 06:13:52,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-30 06:13:52,447 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-09-30 06:13:52,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 06:13:52,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1293043616, now seen corresponding path program 1 times [2022-09-30 06:13:52,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 06:13:52,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300858042] [2022-09-30 06:13:52,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 06:13:52,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 06:13:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 06:13:52,806 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-09-30 06:13:52,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 06:13:52,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300858042] [2022-09-30 06:13:52,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300858042] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-30 06:13:52,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443682977] [2022-09-30 06:13:52,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 06:13:52,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 06:13:52,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 06:13:52,819 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) [2022-09-30 06:13:52,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-09-30 06:13:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 06:13:53,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 63 conjunts are in the unsatisfiable core [2022-09-30 06:13:53,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-30 06:13:54,510 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-09-30 06:13:54,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-30 06:13:54,759 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-09-30 06:13:55,179 INFO L356 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-09-30 06:13:55,180 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 27 [2022-09-30 06:13:55,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-30 06:13:55,347 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-09-30 06:13:55,420 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-09-30 06:13:55,469 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 270 proven. 55 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-09-30 06:13:55,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-30 06:14:24,308 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_222 Int) (v_ArrVal_219 (Array Int Int)) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43| Int)) (let ((.cse0 (select (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base| v_ArrVal_219) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (= 20 (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43| v_ArrVal_222) .cse1))) (< (+ |c_~#queue~0.offset| (* (select .cse0 .cse1) 4)) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43|)))) is different from false [2022-09-30 06:14:24,419 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_58| Int)) (or (forall ((v_ArrVal_222 Int) (v_ArrVal_219 (Array Int Int)) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43| Int)) (let ((.cse0 (select (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_58| v_ArrVal_219) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43| v_ArrVal_222) .cse1) 20)) (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43|)))) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_58| |c_~#stored_elements~0.base|)))) is different from false [2022-09-30 06:14:24,449 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_222 Int) (v_ArrVal_219 (Array Int Int)) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_58| Int)) (let ((.cse0 (select (store |c_#memory_int| |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_58| v_ArrVal_219) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (< (+ |c_~#queue~0.offset| (* (select .cse0 .cse1) 4)) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43|) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_58| |c_~#stored_elements~0.base|)) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43| v_ArrVal_222) .cse1) 20))))) is different from false [2022-09-30 06:14:24,523 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-30 06:14:24,524 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 41 [2022-09-30 06:14:24,533 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-30 06:14:24,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 78 [2022-09-30 06:14:24,541 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 55 [2022-09-30 06:14:24,558 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-09-30 06:14:24,619 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-30 06:14:24,620 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 54 [2022-09-30 06:14:25,300 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 270 proven. 55 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-09-30 06:14:25,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443682977] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-30 06:14:25,301 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-30 06:14:25,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 23, 23] total 51 [2022-09-30 06:14:25,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449199994] [2022-09-30 06:14:25,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-30 06:14:25,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-09-30 06:14:25,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 06:14:25,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-09-30 06:14:25,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=2037, Unknown=67, NotChecked=282, Total=2550 [2022-09-30 06:14:25,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:14:25,307 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 06:14:25,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 19.96078431372549) internal successors, (1018), 51 states have internal predecessors, (1018), 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) [2022-09-30 06:14:25,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:14:25,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-09-30 06:14:25,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:14:26,267 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 84 |c_~#queue~0.offset|))) (and (= |c_t1Thread1of1ForFork1_enqueue_~q#1.offset| 0) (= (select (select |c_#memory_int| |c_~#queue~0.base|) .cse0) 1) (<= 7 |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) (= |c_t1Thread1of1ForFork1_write~int_#ptr#1.base| |c_~#queue~0.base|) (= |c_~#queue~0.offset| |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (<= 7 |c_~#queue~0.base|) (= |c_~#queue~0.offset| 0) (= |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|)) 1) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) (= |c_t1Thread1of1ForFork1_write~int_#value#1| 1) (= (select |c_#valid| |c_~#queue~0.base|) 1) (= (select |c_#valid| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) 1) (= |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| 0) (= (select |c_#valid| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base|) 1) (= (select |c_#valid| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) 1) (= .cse0 |c_t1Thread1of1ForFork1_write~int_#ptr#1.offset|) (= |c_~#queue~0.base| |c_ULTIMATE.start_init_~q#1.base|) (= |c_~#queue~0.base| |c_ULTIMATE.start_init_#in~q#1.base|) (= (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) (+ |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| 84)) 1) (<= |c_~#stored_elements~0.base| 6) (<= 7 |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (forall ((v_ArrVal_222 Int) (v_ArrVal_219 (Array Int Int)) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_58| Int)) (let ((.cse1 (select (store |c_#memory_int| |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_58| v_ArrVal_219) |c_~#queue~0.base|)) (.cse2 (+ 84 |c_~#queue~0.offset|))) (or (< (+ |c_~#queue~0.offset| (* (select .cse1 .cse2) 4)) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43|) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_58| |c_~#stored_elements~0.base|)) (not (= (select (store .cse1 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43| v_ArrVal_222) .cse2) 20))))))) is different from false [2022-09-30 06:14:26,272 WARN L833 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 84 |c_~#queue~0.offset|)) 1) (<= 7 |c_~#queue~0.base|) (= |c_~#queue~0.offset| 0) (= (select |c_#valid| |c_~#queue~0.base|) 1) (<= |c_~#stored_elements~0.base| 6) (forall ((v_ArrVal_222 Int) (v_ArrVal_219 (Array Int Int)) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_58| Int)) (let ((.cse0 (select (store |c_#memory_int| |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_58| v_ArrVal_219) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (< (+ |c_~#queue~0.offset| (* (select .cse0 .cse1) 4)) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43|) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_58| |c_~#stored_elements~0.base|)) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43| v_ArrVal_222) .cse1) 20)))))) is different from false [2022-09-30 06:14:26,277 WARN L833 $PredicateComparison]: unable to prove that (and (<= 7 |c_~#queue~0.base|) (= |c_~#queue~0.offset| 0) (= (select |c_#valid| |c_~#queue~0.base|) 1) (= (select (select |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_~#queue~0.base|) (+ 84 |c_~#queue~0.offset|)) 1) (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_58| Int)) (or (forall ((v_ArrVal_222 Int) (v_ArrVal_219 (Array Int Int)) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43| Int)) (let ((.cse0 (select (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_58| v_ArrVal_219) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43| v_ArrVal_222) .cse1) 20)) (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43|)))) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_58| |c_~#stored_elements~0.base|)))) (<= |c_~#stored_elements~0.base| 6)) is different from false [2022-09-30 06:14:26,613 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_222 Int) (v_ArrVal_219 (Array Int Int)) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43| Int)) (let ((.cse0 (select (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base| v_ArrVal_219) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (= 20 (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43| v_ArrVal_222) .cse1))) (< (+ |c_~#queue~0.offset| (* (select .cse0 .cse1) 4)) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_43|)))) (<= 7 |c_~#queue~0.base|) (<= |c_t1Thread1of1ForFork1_write~int_#ptr#1.base| 6) (= |c_~#queue~0.offset| 0) (= (select |c_#valid| |c_~#queue~0.base|) 1) (= (select (select |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_~#queue~0.base|) (+ 84 |c_~#queue~0.offset|)) 1)) is different from false [2022-09-30 06:14:33,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:14:33,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-30 06:14:33,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-09-30 06:14:33,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-09-30 06:14:34,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 06:14:34,052 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-09-30 06:14:34,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 06:14:34,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1956353559, now seen corresponding path program 1 times [2022-09-30 06:14:34,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 06:14:34,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31774964] [2022-09-30 06:14:34,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 06:14:34,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 06:14:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 06:14:34,440 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-09-30 06:14:34,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 06:14:34,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31774964] [2022-09-30 06:14:34,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31774964] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-30 06:14:34,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360312951] [2022-09-30 06:14:34,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 06:14:34,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 06:14:34,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 06:14:34,443 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) [2022-09-30 06:14:34,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-09-30 06:14:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 06:14:34,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 1571 conjuncts, 5 conjunts are in the unsatisfiable core [2022-09-30 06:14:34,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-30 06:14:34,811 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-09-30 06:14:34,811 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-30 06:14:34,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360312951] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 06:14:34,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-30 06:14:34,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2022-09-30 06:14:34,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087377889] [2022-09-30 06:14:34,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 06:14:34,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-30 06:14:34,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 06:14:34,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-30 06:14:34,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-09-30 06:14:34,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:14:34,814 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 06:14:34,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 126.5) internal successors, (506), 4 states have internal predecessors, (506), 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) [2022-09-30 06:14:34,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:14:34,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-09-30 06:14:34,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-09-30 06:14:34,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:14:36,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:14:36,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-30 06:14:36,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-09-30 06:14:36,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-30 06:14:36,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-09-30 06:14:37,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 06:14:37,116 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-09-30 06:14:37,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 06:14:37,116 INFO L85 PathProgramCache]: Analyzing trace with hash 722374439, now seen corresponding path program 1 times [2022-09-30 06:14:37,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 06:14:37,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964149279] [2022-09-30 06:14:37,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 06:14:37,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 06:14:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 06:14:37,502 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-09-30 06:14:37,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 06:14:37,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964149279] [2022-09-30 06:14:37,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964149279] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-30 06:14:37,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183625909] [2022-09-30 06:14:37,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 06:14:37,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 06:14:37,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 06:14:37,504 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) [2022-09-30 06:14:37,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-09-30 06:14:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 06:14:37,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 1569 conjuncts, 63 conjunts are in the unsatisfiable core [2022-09-30 06:14:37,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-30 06:14:39,090 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-09-30 06:14:39,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-30 06:14:39,690 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-09-30 06:14:40,054 INFO L356 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-09-30 06:14:40,054 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 27 [2022-09-30 06:14:40,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-30 06:14:40,207 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-09-30 06:14:40,268 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-09-30 06:14:40,324 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 405 proven. 55 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-09-30 06:14:40,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-30 06:15:14,226 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_477 Int) (v_ArrVal_474 (Array Int Int)) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63| Int)) (let ((.cse0 (select (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base| v_ArrVal_474) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (= 20 (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63| v_ArrVal_477) .cse1))) (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63|)))) is different from false [2022-09-30 06:15:14,860 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_78| Int)) (or (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_78| |c_~#stored_elements~0.base|)) (forall ((v_ArrVal_477 Int) (v_ArrVal_474 (Array Int Int)) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63| Int)) (let ((.cse0 (select (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_78| v_ArrVal_474) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63|) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63| v_ArrVal_477) .cse1) 20))))))) is different from false [2022-09-30 06:15:14,881 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_477 Int) (v_ArrVal_474 (Array Int Int)) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_78| Int)) (let ((.cse0 (select (store |c_#memory_int| |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_78| v_ArrVal_474) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_78| |c_~#stored_elements~0.base|)) (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63|) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63| v_ArrVal_477) .cse1) 20))))) is different from false [2022-09-30 06:15:14,944 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-30 06:15:14,945 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 41 [2022-09-30 06:15:14,957 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-30 06:15:14,958 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 78 [2022-09-30 06:15:14,963 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 55 [2022-09-30 06:15:14,972 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-09-30 06:15:15,025 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-30 06:15:15,026 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 54 [2022-09-30 06:15:15,626 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 405 proven. 55 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-09-30 06:15:15,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183625909] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-30 06:15:15,627 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-30 06:15:15,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 23, 23] total 51 [2022-09-30 06:15:15,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831329451] [2022-09-30 06:15:15,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-30 06:15:15,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-09-30 06:15:15,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 06:15:15,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-09-30 06:15:15,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=2026, Unknown=78, NotChecked=282, Total=2550 [2022-09-30 06:15:15,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:15:15,632 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 06:15:15,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 26.607843137254903) internal successors, (1357), 51 states have internal predecessors, (1357), 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) [2022-09-30 06:15:15,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:15:15,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-09-30 06:15:15,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-09-30 06:15:15,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-09-30 06:15:15,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:15:16,363 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 84 |c_~#queue~0.offset|))) (and (= (select (select |c_#memory_int| |c_~#queue~0.base|) .cse0) 1) (= |c_t1Thread1of1ForFork1_write~int_#ptr#1.base| |c_~#queue~0.base|) (= |c_~#queue~0.offset| |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (<= 7 |c_~#queue~0.base|) (= |c_~#queue~0.offset| 0) (= |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| |c_~#queue~0.offset|) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) (= |c_t1Thread1of1ForFork1_write~int_#value#1| 1) (= (select |c_#valid| |c_~#queue~0.base|) 1) (= (select |c_#valid| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) 1) (forall ((v_ArrVal_477 Int) (v_ArrVal_474 (Array Int Int)) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_78| Int)) (let ((.cse1 (select (store |c_#memory_int| |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_78| v_ArrVal_474) |c_~#queue~0.base|)) (.cse2 (+ 84 |c_~#queue~0.offset|))) (or (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_78| |c_~#stored_elements~0.base|)) (< (+ (* (select .cse1 .cse2) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63|) (not (= (select (store .cse1 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63| v_ArrVal_477) .cse2) 20))))) (= (select |c_#valid| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base|) 1) (= (select |c_#valid| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) 1) (= .cse0 |c_t1Thread1of1ForFork1_write~int_#ptr#1.offset|) (= |c_~#queue~0.base| |c_ULTIMATE.start_init_~q#1.base|) (= |c_~#queue~0.base| |c_ULTIMATE.start_init_#in~q#1.base|) (<= |c_~#stored_elements~0.base| 6))) is different from false [2022-09-30 06:15:16,369 WARN L833 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 84 |c_~#queue~0.offset|)) 1) (<= 7 |c_~#queue~0.base|) (= |c_~#queue~0.offset| 0) (= (select |c_#valid| |c_~#queue~0.base|) 1) (forall ((v_ArrVal_477 Int) (v_ArrVal_474 (Array Int Int)) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_78| Int)) (let ((.cse0 (select (store |c_#memory_int| |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_78| v_ArrVal_474) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_78| |c_~#stored_elements~0.base|)) (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63|) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63| v_ArrVal_477) .cse1) 20))))) (<= |c_~#stored_elements~0.base| 6)) is different from false [2022-09-30 06:15:16,397 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_78| Int)) (or (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_78| |c_~#stored_elements~0.base|)) (forall ((v_ArrVal_477 Int) (v_ArrVal_474 (Array Int Int)) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63| Int)) (let ((.cse0 (select (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_78| v_ArrVal_474) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63|) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63| v_ArrVal_477) .cse1) 20))))))) (<= 7 |c_~#queue~0.base|) (= |c_~#queue~0.offset| 0) (= (select |c_#valid| |c_~#queue~0.base|) 1) (= (select (select |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_~#queue~0.base|) (+ 84 |c_~#queue~0.offset|)) 1) (<= |c_~#stored_elements~0.base| 6)) is different from false [2022-09-30 06:15:16,714 WARN L833 $PredicateComparison]: unable to prove that (and (<= 7 |c_~#queue~0.base|) (<= |c_t1Thread1of1ForFork1_write~int_#ptr#1.base| 6) (= |c_~#queue~0.offset| 0) (forall ((v_ArrVal_477 Int) (v_ArrVal_474 (Array Int Int)) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63| Int)) (let ((.cse0 (select (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base| v_ArrVal_474) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (= 20 (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63| v_ArrVal_477) .cse1))) (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_63|)))) (= (select |c_#valid| |c_~#queue~0.base|) 1) (= (select (select |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_~#queue~0.base|) (+ 84 |c_~#queue~0.offset|)) 1)) is different from false [2022-09-30 06:15:24,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:15:24,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-09-30 06:15:24,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-09-30 06:15:24,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-30 06:15:24,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-09-30 06:15:24,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-09-30 06:15:24,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 06:15:24,205 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-09-30 06:15:24,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 06:15:24,205 INFO L85 PathProgramCache]: Analyzing trace with hash 2142843857, now seen corresponding path program 1 times [2022-09-30 06:15:24,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 06:15:24,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551640847] [2022-09-30 06:15:24,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 06:15:24,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 06:15:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 06:15:24,494 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 430 proven. 108 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-09-30 06:15:24,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 06:15:24,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551640847] [2022-09-30 06:15:24,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551640847] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-30 06:15:24,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138863361] [2022-09-30 06:15:24,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 06:15:24,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-30 06:15:24,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 06:15:24,497 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-30 06:15:24,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-09-30 06:15:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 06:15:24,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 1635 conjuncts, 61 conjunts are in the unsatisfiable core [2022-09-30 06:15:24,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-30 06:15:26,295 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-09-30 06:15:26,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-30 06:15:26,400 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-09-30 06:15:26,653 INFO L356 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-09-30 06:15:26,653 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 27 [2022-09-30 06:15:26,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-30 06:15:26,758 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-09-30 06:15:26,801 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-09-30 06:15:26,839 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 427 proven. 181 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2022-09-30 06:15:26,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-30 06:15:55,865 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_605 (Array Int Int)) (v_ArrVal_608 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| Int)) (let ((.cse0 (select (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base| v_ArrVal_605) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75|) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| v_ArrVal_608) .cse1) 20))))) is different from false [2022-09-30 06:15:55,898 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_90| Int)) (or (forall ((v_ArrVal_605 (Array Int Int)) (v_ArrVal_608 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| Int)) (let ((.cse0 (select (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_90| v_ArrVal_605) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75|) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| v_ArrVal_608) .cse1) 20))))) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_90| |c_~#stored_elements~0.base|)))) is different from false [2022-09-30 06:15:55,918 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_605 (Array Int Int)) (v_ArrVal_608 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_90| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| Int)) (let ((.cse0 (select (store |c_#memory_int| |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_90| v_ArrVal_605) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (< (+ |c_~#queue~0.offset| (* 4 (select .cse0 .cse1))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75|) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_90| |c_~#stored_elements~0.base|)) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| v_ArrVal_608) .cse1) 20))))) is different from false [2022-09-30 06:15:55,972 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-30 06:15:55,972 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 41 [2022-09-30 06:15:55,979 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-30 06:15:55,979 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 78 [2022-09-30 06:15:55,984 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 55 [2022-09-30 06:15:55,992 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-09-30 06:15:56,034 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-09-30 06:15:56,035 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 54 [2022-09-30 06:15:56,886 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 409 proven. 173 refuted. 0 times theorem prover too weak. 119 trivial. 26 not checked. [2022-09-30 06:15:56,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138863361] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-30 06:15:56,886 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-30 06:15:56,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 23, 23] total 51 [2022-09-30 06:15:56,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680866118] [2022-09-30 06:15:56,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-30 06:15:56,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-09-30 06:15:56,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 06:15:56,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-09-30 06:15:56,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=2034, Unknown=66, NotChecked=282, Total=2550 [2022-09-30 06:15:56,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:15:56,891 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 06:15:56,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 32.31372549019608) internal successors, (1648), 51 states have internal predecessors, (1648), 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) [2022-09-30 06:15:56,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:15:56,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-09-30 06:15:56,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-09-30 06:15:56,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-09-30 06:15:56,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-09-30 06:15:56,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:15:57,371 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 84 |c_~#queue~0.offset|))) (and (= (select (select |c_#memory_int| |c_~#queue~0.base|) .cse0) 1) (<= 7 |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) (= |c_t1Thread1of1ForFork1_write~int_#ptr#1.base| |c_~#queue~0.base|) (= |c_~#queue~0.offset| |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (= (select |c_#valid| |c_t1Thread1of1ForFork1_read~int_#ptr#1.base|) 1) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (<= 7 |c_~#queue~0.base|) (= |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| |c_~#queue~0.offset|) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) (= |c_t1Thread1of1ForFork1_write~int_#value#1| 1) (= (select |c_#valid| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) 1) (= (select |c_#valid| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base|) 1) (= (select |c_#valid| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) 1) (= .cse0 |c_t1Thread1of1ForFork1_write~int_#ptr#1.offset|) (forall ((v_ArrVal_605 (Array Int Int)) (v_ArrVal_608 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_90| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| Int)) (let ((.cse1 (select (store |c_#memory_int| |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_90| v_ArrVal_605) |c_~#queue~0.base|)) (.cse2 (+ 84 |c_~#queue~0.offset|))) (or (< (+ |c_~#queue~0.offset| (* 4 (select .cse1 .cse2))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75|) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_90| |c_~#stored_elements~0.base|)) (not (= (select (store .cse1 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| v_ArrVal_608) .cse2) 20))))) (= |c_t1Thread1of1ForFork1_read~int_#ptr#1.base| |c_~#queue~0.base|) (= (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) (+ |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| 84)) 1) (<= |c_~#stored_elements~0.base| 6))) is different from false [2022-09-30 06:15:57,374 WARN L833 $PredicateComparison]: unable to prove that (and (= (select (select |c_#memory_int| |c_~#queue~0.base|) (+ 84 |c_~#queue~0.offset|)) 1) (<= 7 |c_~#queue~0.base|) (= (select |c_#valid| |c_~#queue~0.base|) 1) (forall ((v_ArrVal_605 (Array Int Int)) (v_ArrVal_608 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_90| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| Int)) (let ((.cse0 (select (store |c_#memory_int| |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_90| v_ArrVal_605) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (< (+ |c_~#queue~0.offset| (* 4 (select .cse0 .cse1))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75|) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_90| |c_~#stored_elements~0.base|)) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| v_ArrVal_608) .cse1) 20))))) (<= |c_~#stored_elements~0.base| 6)) is different from false [2022-09-30 06:15:57,377 WARN L833 $PredicateComparison]: unable to prove that (and (<= 7 |c_~#queue~0.base|) (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_90| Int)) (or (forall ((v_ArrVal_605 (Array Int Int)) (v_ArrVal_608 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| Int)) (let ((.cse0 (select (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_90| v_ArrVal_605) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75|) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| v_ArrVal_608) .cse1) 20))))) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_90| |c_~#stored_elements~0.base|)))) (= (select |c_#valid| |c_~#queue~0.base|) 1) (= (select (select |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_~#queue~0.base|) (+ 84 |c_~#queue~0.offset|)) 1) (<= |c_~#stored_elements~0.base| 6)) is different from false [2022-09-30 06:15:57,836 WARN L833 $PredicateComparison]: unable to prove that (and (<= 7 |c_~#queue~0.base|) (<= |c_t1Thread1of1ForFork1_write~int_#ptr#1.base| 6) (forall ((v_ArrVal_605 (Array Int Int)) (v_ArrVal_608 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| Int)) (let ((.cse0 (select (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base| v_ArrVal_605) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75|) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| v_ArrVal_608) .cse1) 20))))) (= (select |c_#valid| |c_~#queue~0.base|) 1) (= (select (select |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_~#queue~0.base|) (+ 84 |c_~#queue~0.offset|)) 1) (<= |c_~#stored_elements~0.base| 6)) is different from false [2022-09-30 06:15:59,314 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|)) (.cse0 (+ 84 |c_~#queue~0.offset|))) (and (= (select (select |c_#memory_int| |c_~#queue~0.base|) .cse0) 1) (= (select (select |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) .cse1) 1) (<= 7 |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) (= |c_~#queue~0.offset| |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (= (select |c_#valid| |c_t1Thread1of1ForFork1_read~int_#ptr#1.base|) 1) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (<= 7 |c_~#queue~0.base|) (= |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) .cse1) 1) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) (= (select |c_#valid| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) 1) (= (select |c_#valid| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base|) 1) (= (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_read~int_#ptr#1.base|) |c_t1Thread1of1ForFork1_read~int_#ptr#1.offset|) 1) (= (select |c_#valid| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) 1) (= (select (select |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_~#queue~0.base|) .cse0) 1) (forall ((v_ArrVal_608 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| Int)) (or (< (+ (* (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_read~int_#ptr#1.base|) |c_t1Thread1of1ForFork1_read~int_#ptr#1.offset|) 4) |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75|) (not (= (select (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| v_ArrVal_608) (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|)) 20)))) (= |c_t1Thread1of1ForFork1_read~int_#ptr#1.base| |c_~#queue~0.base|) (= (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) (+ |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| 84)) 1) (<= |c_~#stored_elements~0.base| 6) (<= 7 |c_t1Thread1of1ForFork1_read~int_#ptr#1.base|) (<= 7 |c_t1Thread1of1ForFork1_enqueue_~q#1.base|))) is different from false [2022-09-30 06:15:59,690 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 84 |c_~#queue~0.offset|))) (and (= (select (select |c_#memory_int| |c_~#queue~0.base|) .cse0) 1) (<= 7 |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) (= |c_~#queue~0.offset| |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (= (select |c_#valid| |c_t1Thread1of1ForFork1_read~int_#ptr#1.base|) 1) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (<= 7 |c_~#queue~0.base|) (= |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| |c_~#queue~0.offset|) (= (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|)) 1) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) (= (select |c_#valid| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) 1) (= (select |c_#valid| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base|) 1) (= (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_read~int_#ptr#1.base|) |c_t1Thread1of1ForFork1_read~int_#ptr#1.offset|) 1) (= (select |c_#valid| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) 1) (= (select (select |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_~#queue~0.base|) .cse0) 1) (forall ((v_ArrVal_608 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| Int)) (or (< (+ (* (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_read~int_#ptr#1.base|) |c_t1Thread1of1ForFork1_read~int_#ptr#1.offset|) 4) |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75|) (not (= (select (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| v_ArrVal_608) (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|)) 20)))) (= |c_t1Thread1of1ForFork1_read~int_#ptr#1.base| |c_~#queue~0.base|) (= (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) (+ |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| 84)) 1) (<= |c_~#stored_elements~0.base| 6) (<= 7 |c_t1Thread1of1ForFork1_read~int_#ptr#1.base|) (<= 7 |c_t1Thread1of1ForFork1_enqueue_~q#1.base|))) is different from false [2022-09-30 06:16:01,767 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 84 |c_~#queue~0.offset|))) (and (= (select (select |c_#memory_int| |c_~#queue~0.base|) .cse0) 1) (= |c_t1Thread1of1ForFork1_write~int_#ptr#1.base| |c_~#queue~0.base|) (= |c_~#queue~0.offset| |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (<= 7 |c_~#queue~0.base|) (= |c_t1Thread1of1ForFork1_write~int_#value#1| 1) (= (select |c_#valid| |c_~#queue~0.base|) 1) (= (select |c_#valid| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base|) 1) (= (select |c_#valid| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) 1) (= .cse0 |c_t1Thread1of1ForFork1_write~int_#ptr#1.offset|) (forall ((v_ArrVal_605 (Array Int Int)) (v_ArrVal_608 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_90| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| Int)) (let ((.cse1 (select (store |c_#memory_int| |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_90| v_ArrVal_605) |c_~#queue~0.base|)) (.cse2 (+ 84 |c_~#queue~0.offset|))) (or (< (+ |c_~#queue~0.offset| (* 4 (select .cse1 .cse2))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75|) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_90| |c_~#stored_elements~0.base|)) (not (= (select (store .cse1 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| v_ArrVal_608) .cse2) 20))))) (not (= (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|)) 20)) (<= |c_~#stored_elements~0.base| 6))) is different from false [2022-09-30 06:16:04,190 WARN L833 $PredicateComparison]: unable to prove that (and (<= 7 |c_~#queue~0.base|) (<= |c_t1Thread1of1ForFork1_write~int_#ptr#1.base| 6) (forall ((v_ArrVal_605 (Array Int Int)) (v_ArrVal_608 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| Int)) (let ((.cse0 (select (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base| v_ArrVal_605) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75|) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| v_ArrVal_608) .cse1) 20))))) (= (select |c_#valid| |c_~#queue~0.base|) 1) (= (select (select |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_~#queue~0.base|) (+ 84 |c_~#queue~0.offset|)) 1)) is different from false [2022-09-30 06:16:13,257 WARN L833 $PredicateComparison]: unable to prove that (and (= (select |c_#valid| |c_t1Thread1of1ForFork1_read~int_#ptr#1.base|) 1) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) (= (select |c_#valid| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|) 1) (= (select |c_#valid| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base|) 1) (= (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_read~int_#ptr#1.base|) |c_t1Thread1of1ForFork1_read~int_#ptr#1.offset|) 1) (= (select |c_#valid| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) 1) (forall ((v_ArrVal_608 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| Int)) (or (< (+ (* (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_read~int_#ptr#1.base|) |c_t1Thread1of1ForFork1_read~int_#ptr#1.offset|) 4) |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75|) (not (= (select (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_75| v_ArrVal_608) (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|)) 20)))) (= |c_t1Thread1of1ForFork1_read~int_#ptr#1.base| |c_~#queue~0.base|) (<= 7 |c_t1Thread1of1ForFork1_read~int_#ptr#1.base|)) is different from false