/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.line555.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-04 00:35:57,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-04 00:35:57,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-04 00:35:57,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-04 00:35:57,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-04 00:35:57,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-04 00:35:57,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-04 00:35:57,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-04 00:35:57,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-04 00:35:57,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-04 00:35:57,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-04 00:35:57,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-04 00:35:57,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-04 00:35:57,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-04 00:35:57,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-04 00:35:57,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-04 00:35:57,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-04 00:35:57,299 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-04 00:35:57,329 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-04 00:35:57,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-04 00:35:57,329 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-04 00:35:57,330 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-04 00:35:57,330 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-04 00:35:57,330 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-04 00:35:57,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-04 00:35:57,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-04 00:35:57,331 INFO L138 SettingsManager]: * Use SBE=true [2022-10-04 00:35:57,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-04 00:35:57,332 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-04 00:35:57,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-04 00:35:57,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-04 00:35:57,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-04 00:35:57,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-04 00:35:57,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-04 00:35:57,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-04 00:35:57,333 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-04 00:35:57,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-04 00:35:57,333 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-04 00:35:57,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-04 00:35:57,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-04 00:35:57,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-04 00:35:57,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-04 00:35:57,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-04 00:35:57,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-04 00:35:57,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-04 00:35:57,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-04 00:35:57,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-04 00:35:57,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-04 00:35:57,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-04 00:35:57,335 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-04 00:35:57,336 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-04 00:35:57,336 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-04 00:35:57,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-04 00:35:57,336 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-04 00:35:57,336 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-04 00:35:57,336 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-04 00:35:57,336 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-04 00:35:57,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-04 00:35:57,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-04 00:35:57,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-04 00:35:57,559 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-04 00:35:57,566 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-04 00:35:57,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/queue.line555.bpl [2022-10-04 00:35:57,567 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/queue.line555.bpl' [2022-10-04 00:35:57,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-04 00:35:57,633 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-04 00:35:57,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-04 00:35:57,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-04 00:35:57,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-04 00:35:57,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue.line555.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:35:57" (1/1) ... [2022-10-04 00:35:57,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue.line555.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:35:57" (1/1) ... [2022-10-04 00:35:57,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue.line555.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:35:57" (1/1) ... [2022-10-04 00:35:57,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue.line555.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:35:57" (1/1) ... [2022-10-04 00:35:57,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue.line555.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:35:57" (1/1) ... [2022-10-04 00:35:57,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue.line555.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:35:57" (1/1) ... [2022-10-04 00:35:57,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue.line555.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:35:57" (1/1) ... [2022-10-04 00:35:57,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-04 00:35:57,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-04 00:35:57,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-04 00:35:57,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-04 00:35:57,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue.line555.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:35:57" (1/1) ... [2022-10-04 00:35:57,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-04 00:35:57,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 00:35:57,769 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) [2022-10-04 00:35:57,773 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 [2022-10-04 00:35:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-04 00:35:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-04 00:35:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-04 00:35:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-04 00:35:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-04 00:35:57,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-04 00:35:57,811 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-04 00:35:57,952 INFO L234 CfgBuilder]: Building ICFG [2022-10-04 00:35:57,953 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-04 00:35:58,522 INFO L275 CfgBuilder]: Performing block encoding [2022-10-04 00:35:58,544 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-04 00:35:58,545 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-04 00:35:58,547 INFO L202 PluginConnector]: Adding new model queue.line555.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:35:58 BoogieIcfgContainer [2022-10-04 00:35:58,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-04 00:35:58,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-04 00:35:58,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-04 00:35:58,560 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-04 00:35:58,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue.line555.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:35:57" (1/2) ... [2022-10-04 00:35:58,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dae8e73 and model type queue.line555.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 12:35:58, skipping insertion in model container [2022-10-04 00:35:58,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue.line555.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:35:58" (2/2) ... [2022-10-04 00:35:58,564 INFO L112 eAbstractionObserver]: Analyzing ICFG queue.line555.bpl [2022-10-04 00:35:58,571 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-04 00:35:58,577 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-04 00:35:58,577 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-04 00:35:58,577 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-04 00:35:58,766 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-10-04 00:35:58,835 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 00:35:58,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 00:35:58,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 00:35:58,838 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) [2022-10-04 00:35:58,839 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 [2022-10-04 00:35:58,900 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 00:35:58,908 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-04 00:35:58,919 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;@3f6fcb99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 00:35:58,919 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 00:35:59,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-04 00:35:59,522 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 00:35:59,523 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/4) [2022-10-04 00:35:59,531 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 00:35:59,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 00:35:59,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 00:35:59,536 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) [2022-10-04 00:35:59,537 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 [2022-10-04 00:35:59,541 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 00:35:59,542 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-04 00:35:59,543 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;@3f6fcb99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 00:35:59,543 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 00:35:59,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-04 00:35:59,569 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 00:35:59,573 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2022-10-04 00:35:59,588 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 00:35:59,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 00:35:59,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 00:35:59,620 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) [2022-10-04 00:35:59,622 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 [2022-10-04 00:35:59,625 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 00:35:59,625 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err0ASSERT_VIOLATIONASSERT ======== [2022-10-04 00:35:59,626 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;@3f6fcb99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 00:35:59,626 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 00:35:59,626 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-04 00:35:59,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-04 00:35:59,627 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 00:35:59,627 INFO L307 ceAbstractionStarter]: Result for error location t1Err0ASSERT_VIOLATIONASSERT was SAFE (3/4) [2022-10-04 00:35:59,636 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 00:35:59,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 00:35:59,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 00:35:59,640 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) [2022-10-04 00:35:59,643 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 [2022-10-04 00:35:59,647 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 00:35:59,647 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err0ASSERT_VIOLATIONASSERT ======== [2022-10-04 00:35:59,648 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;@3f6fcb99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 00:35:59,648 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 00:36:00,229 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 00:36:00,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 00:36:00,234 INFO L85 PathProgramCache]: Analyzing trace with hash -854643631, now seen corresponding path program 1 times [2022-10-04 00:36:00,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 00:36:00,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488042549] [2022-10-04 00:36:00,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:36:00,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 00:36:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:36:01,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1827 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1827 trivial. 0 not checked. [2022-10-04 00:36:01,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 00:36:01,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488042549] [2022-10-04 00:36:01,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488042549] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 00:36:01,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 00:36:01,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-04 00:36:01,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196648848] [2022-10-04 00:36:01,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 00:36:01,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-04 00:36:01,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 00:36:01,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-04 00:36:01,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-04 00:36:01,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:36:01,154 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 00:36:01,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 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) [2022-10-04 00:36:01,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:36:02,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:36:02,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-04 00:36:02,040 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 00:36:02,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 00:36:02,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1000846148, now seen corresponding path program 1 times [2022-10-04 00:36:02,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 00:36:02,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418359653] [2022-10-04 00:36:02,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:36:02,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 00:36:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:36:02,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1827 backedges. 522 proven. 0 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2022-10-04 00:36:02,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 00:36:02,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418359653] [2022-10-04 00:36:02,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418359653] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 00:36:02,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 00:36:02,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-04 00:36:02,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619026994] [2022-10-04 00:36:02,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 00:36:02,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-04 00:36:02,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 00:36:02,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-04 00:36:02,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-04 00:36:02,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:36:02,690 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 00:36:02,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 100.33333333333333) internal successors, (602), 6 states have internal predecessors, (602), 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) [2022-10-04 00:36:02,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:36:02,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:36:03,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:36:03,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 00:36:03,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-04 00:36:03,053 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 00:36:03,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 00:36:03,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1599660938, now seen corresponding path program 1 times [2022-10-04 00:36:03,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 00:36:03,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486808337] [2022-10-04 00:36:03,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:36:03,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 00:36:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:36:03,373 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-04 00:36:03,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 00:36:03,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486808337] [2022-10-04 00:36:03,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486808337] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-04 00:36:03,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751933297] [2022-10-04 00:36:03,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:36:03,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-04 00:36:03,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 00:36:03,397 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) [2022-10-04 00:36:03,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-04 00:36:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:36:03,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 104 conjunts are in the unsatisfiable core [2022-10-04 00:36:03,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-04 00:36:03,899 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-10-04 00:36:03,967 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-10-04 00:36:04,135 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-04 00:36:04,135 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 11 treesize of output 11 [2022-10-04 00:36:04,204 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-10-04 00:36:04,646 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 [2022-10-04 00:36:04,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-04 00:36:04,881 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 [2022-10-04 00:36:05,610 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-10-04 00:36:05,611 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 1 case distinctions, treesize of input 16 treesize of output 22 [2022-10-04 00:36:05,632 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 7 treesize of output 3 [2022-10-04 00:36:06,310 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-10-04 00:36:06,310 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-10-04 00:36:06,683 INFO L356 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-10-04 00:36:06,684 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 1 case distinctions, treesize of input 34 treesize of output 27 [2022-10-04 00:36:07,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-04 00:36:07,039 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2022-10-04 00:36:07,175 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-10-04 00:36:07,269 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-10-04 00:36:07,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-04 00:36:07,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751933297] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 00:36:07,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-04 00:36:07,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [9] total 46 [2022-10-04 00:36:07,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206656942] [2022-10-04 00:36:07,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 00:36:07,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-10-04 00:36:07,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 00:36:07,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-10-04 00:36:07,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=1883, Unknown=0, NotChecked=0, Total=2070 [2022-10-04 00:36:07,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:36:07,274 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 00:36:07,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 11.552631578947368) internal successors, (439), 38 states have internal predecessors, (439), 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) [2022-10-04 00:36:07,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:36:07,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 00:36:07,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:36:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:36:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-04 00:36:13,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-10-04 00:36:13,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-04 00:36:13,220 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 [2022-10-04 00:36:13,221 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 00:36:13,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 00:36:13,221 INFO L85 PathProgramCache]: Analyzing trace with hash -351675836, now seen corresponding path program 1 times [2022-10-04 00:36:13,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 00:36:13,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657375059] [2022-10-04 00:36:13,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:36:13,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 00:36:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:36:13,556 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-04 00:36:13,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 00:36:13,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657375059] [2022-10-04 00:36:13,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657375059] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-04 00:36:13,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125248328] [2022-10-04 00:36:13,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:36:13,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-04 00:36:13,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 00:36:13,564 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) [2022-10-04 00:36:13,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-04 00:36:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:36:13,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 161 conjunts are in the unsatisfiable core [2022-10-04 00:36:13,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-04 00:36:14,235 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 [2022-10-04 00:36:14,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-04 00:36:14,372 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 [2022-10-04 00:36:14,779 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-10-04 00:36:14,780 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 16 treesize of output 22 [2022-10-04 00:36:14,789 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 7 treesize of output 3 [2022-10-04 00:36:15,244 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-10-04 00:36:15,244 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 25 treesize of output 30 [2022-10-04 00:36:15,526 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 11 treesize of output 7 [2022-10-04 00:36:16,061 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 0 case distinctions, treesize of input 21 treesize of output 11 [2022-10-04 00:36:16,196 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 6 treesize of output 5 [2022-10-04 00:36:16,929 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-10-04 00:36:16,929 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 25 treesize of output 30 [2022-10-04 00:36:17,093 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 11 treesize of output 7 [2022-10-04 00:36:17,179 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 7 treesize of output 3 [2022-10-04 00:36:17,583 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 00:36:17,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-04 00:36:47,744 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (select (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base| v_ArrVal_444) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1) 20)) (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69|)))) (= (select |c_#valid| |c_~#queue~0.base|) 1)) is different from false [2022-10-04 00:36:47,785 WARN L833 $PredicateComparison]: unable to prove that (or (= (select |c_#valid| |c_~#queue~0.base|) 1) (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (select (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|)) (< (+ |c_~#queue~0.offset| (* (select .cse0 .cse1) 4)) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69|) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1) 20)))))) is different from false [2022-10-04 00:36:47,811 WARN L833 $PredicateComparison]: unable to prove that (or (= (select |c_#valid| |c_~#queue~0.base|) 1) (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|)) (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69|) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1) 20)))))) is different from false [2022-10-04 00:36:47,971 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (select (store (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base| (store (select |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base|) |c_t1Thread1of1ForFork1_write~int_#ptr#1.offset| |c_t1Thread1of1ForFork1_write~int_#value#1|)) |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |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_69|) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|)) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1) 20))))) (= (select |c_#valid| |c_~#queue~0.base|) 1)) is different from false [2022-10-04 00:36:48,031 WARN L833 $PredicateComparison]: unable to prove that (or (= (select |c_#valid| |c_~#queue~0.base|) 1) (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (select (store (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (select |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (+ |c_t1Thread1of1ForFork1_enqueue_#t~post41#1| 1))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |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_69|) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|)) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1) 20)))))) is different from false [2022-10-04 00:36:48,061 WARN L833 $PredicateComparison]: unable to prove that (or (= (select |c_#valid| |c_~#queue~0.base|) 1) (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (+ |c_t1Thread1of1ForFork1_enqueue_#t~post41#1| 1))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (= 20 (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1))) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|)) (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69|))))) is different from false [2022-10-04 00:36:48,076 WARN L833 $PredicateComparison]: unable to prove that (or (= (select |c_#valid| |c_~#queue~0.base|) 1) (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (+ |c_t1Thread1of1ForFork1_enqueue_#t~mem40#1| 1))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1) 20)) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|)) (< (+ (* 4 (select .cse0 .cse1)) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69|))))) is different from false [2022-10-04 00:36:48,104 WARN L833 $PredicateComparison]: unable to prove that (or (= (select |c_#valid| |c_~#queue~0.base|) 1) (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (+ |c_t1Thread1of1ForFork1_read~int_#value#1| 1))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |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_69|) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|)) (not (= 20 (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1))))))) is different from false [2022-10-04 00:36:48,123 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (+ (select (select |c_#memory_int| |c_t1Thread1of1ForFork1_read~int_#ptr#1.base|) |c_t1Thread1of1ForFork1_read~int_#ptr#1.offset|) 1))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|)) (< (+ |c_~#queue~0.offset| (* (select .cse0 .cse1) 4)) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69|) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1) 20))))) (= (select |c_#valid| |c_~#queue~0.base|) 1)) is different from false [2022-10-04 00:36:48,180 WARN L833 $PredicateComparison]: unable to prove that (or (= (select |c_#valid| |c_~#queue~0.base|) 1) (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (let ((.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|)) (.cse3 (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1) 20)) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|)) (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69|))))) is different from false [2022-10-04 00:36:48,381 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (v_ArrVal_441 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (select (store (let ((.cse2 (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base| (store (select |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base|) |c_t1Thread1of1ForFork1_write~int_#ptr#1.offset| v_ArrVal_441)))) (store .cse2 |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (let ((.cse3 (select .cse2 |c_t1Thread1of1ForFork1_enqueue_~q#1.base|)) (.cse4 (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |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_69|) (not (= 20 (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1))) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|))))) (= (select |c_#valid| |c_~#queue~0.base|) 1)) is different from false [2022-10-04 00:36:48,452 WARN L833 $PredicateComparison]: unable to prove that (or (= (select |c_#valid| |c_~#queue~0.base|) 1) (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (v_ArrVal_441 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (select (store (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (let ((.cse2 (store (select |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| v_ArrVal_441)) (.cse3 (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (<= (+ 88 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72|)) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1) 20)) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|)) (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69|))))) is different from false [2022-10-04 00:36:48,493 WARN L833 $PredicateComparison]: unable to prove that (or (= (select |c_#valid| |c_~#queue~0.base|) 1) (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (v_ArrVal_441 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (let ((.cse2 (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| v_ArrVal_441)) (.cse3 (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (<= (+ 88 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72|)) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|)) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1) 20)) (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69|))))) is different from false [2022-10-04 00:36:48,642 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-10-04 00:36:48,642 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 12 treesize of output 11 [2022-10-04 00:36:48,743 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (v_ArrVal_441 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (let ((.cse2 (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| v_ArrVal_441)) (.cse3 (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (<= (+ 88 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72|)) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|)) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1) 20)) (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69|))))) is different from false [2022-10-04 00:36:48,813 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (v_ArrVal_441 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| Int) (v_ArrVal_439 Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (select (store (let ((.cse2 (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base| (store (select |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_write~int_#ptr#1.base|) |c_t1Thread1of1ForFork1_write~int_#ptr#1.offset| v_ArrVal_439)))) (store .cse2 |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (let ((.cse3 (store (select .cse2 |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| v_ArrVal_441)) (.cse4 (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (<= (+ 88 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72|)) (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69|) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1) 20)) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|)))))) is different from false [2022-10-04 00:36:48,893 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (v_ArrVal_441 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_73| Int) (v_ArrVal_439 Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (select (store (store |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (let ((.cse2 (store (store (select |c_t1Thread1of1ForFork1_write~int_old_#memory_int#1| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_73| v_ArrVal_439) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| v_ArrVal_441)) (.cse3 (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |c_~#queue~0.base|)) (.cse1 (+ 84 |c_~#queue~0.offset|))) (or (not (<= (+ 88 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72|)) (< (+ (* (select .cse0 .cse1) 4) |c_~#queue~0.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69|) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1) 20)) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_73| (+ (* 4 |c_t1Thread1of1ForFork1_enqueue_#t~mem36#1|) |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|))) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|)))))) is different from false [2022-10-04 00:36:48,947 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (v_ArrVal_441 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_73| Int) (v_ArrVal_439 Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (let ((.cse2 (store (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_73| v_ArrVal_439) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| v_ArrVal_441)) (.cse3 (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |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_69|) (not (<= (+ 88 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72|)) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1) 20)) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_73| (+ (* 4 |c_t1Thread1of1ForFork1_enqueue_#t~mem36#1|) |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|))) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|)) is different from false [2022-10-04 00:36:49,002 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (v_ArrVal_441 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_73| Int) (v_ArrVal_439 Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (let ((.cse2 (store (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_73| v_ArrVal_439) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| v_ArrVal_441)) (.cse3 (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |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_69|) (not (<= (+ 88 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72|)) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1) 20)) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|)) (< (+ (* |c_t1Thread1of1ForFork1_read~int_#value#1| 4) |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_73|))))) is different from false [2022-10-04 00:36:49,030 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (v_ArrVal_441 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_73| Int) (v_ArrVal_439 Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (let ((.cse2 (store (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_73| v_ArrVal_439) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| v_ArrVal_441)) (.cse3 (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|))) (store .cse2 .cse3 (+ (select .cse2 .cse3) 1)))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |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_69|) (not (<= (+ 88 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72|)) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1) 20)) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|)) (< (+ (* (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_73|))))) is different from false [2022-10-04 00:36:49,128 WARN L833 $PredicateComparison]: unable to prove that (or (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (v_ArrVal_441 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_73| Int) (v_ArrVal_439 Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse3 (+ 84 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|)) (.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (let ((.cse4 (store (store .cse2 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_73| v_ArrVal_439) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| v_ArrVal_441))) (store .cse4 .cse3 (+ (select .cse4 .cse3) 1)))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |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_69|) (not (<= (+ 88 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72|)) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1) 20)) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|)) (< (+ (* (select .cse2 .cse3) 4) |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_73|)))))) is different from false [2022-10-04 00:36:49,207 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| Int) (v_ArrVal_441 Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| Int) (|v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_73| Int) (v_ArrVal_439 Int) (v_ArrVal_448 Int) (v_ArrVal_444 (Array Int Int))) (let ((.cse3 (+ |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| 84)) (.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base| (let ((.cse4 (store (store .cse2 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_73| v_ArrVal_439) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72| v_ArrVal_441))) (store .cse4 .cse3 (+ (select .cse4 .cse3) 1)))) |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| v_ArrVal_444) |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_69|) (not (= (select (store .cse0 |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_69| v_ArrVal_448) .cse1) 20)) (not (<= |v_t1Thread1of1ForFork1_write~int_#ptr#1.base_94| |c_~#stored_elements~0.base|)) (< (+ (* (select .cse2 .cse3) 4) |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_73|) (not (<= (+ 88 |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset|) |v_t1Thread1of1ForFork1_write~int_#ptr#1.offset_72|)))))) (= |c_~#queue~0.base| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|)) is different from false [2022-10-04 00:36:49,265 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 18 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 00:36:49,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125248328] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-04 00:36:49,265 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-04 00:36:49,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 48, 40] total 91 [2022-10-04 00:36:49,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652818628] [2022-10-04 00:36:49,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-04 00:36:49,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2022-10-04 00:36:49,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 00:36:49,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2022-10-04 00:36:49,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=773, Invalid=4196, Unknown=85, NotChecked=3318, Total=8372 [2022-10-04 00:36:49,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:36:49,272 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 00:36:49,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 91 states have (on average 13.505494505494505) internal successors, (1229), 92 states have internal predecessors, (1229), 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) [2022-10-04 00:36:49,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:36:49,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-04 00:36:49,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-10-04 00:36:49,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.