/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/divinefifo_1w1r.line471.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-29 23:04:30,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 23:04:30,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 23:04:30,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 23:04:30,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 23:04:30,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 23:04:30,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 23:04:30,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 23:04:30,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 23:04:30,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 23:04:30,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 23:04:30,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 23:04:30,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 23:04:30,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 23:04:30,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 23:04:30,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 23:04:30,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 23:04:30,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 23:04:30,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 23:04:30,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 23:04:30,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 23:04:30,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 23:04:30,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 23:04:30,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 23:04:30,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-29 23:04:30,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-29 23:04:30,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-29 23:04:30,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-29 23:04:30,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-29 23:04:30,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-29 23:04:30,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-29 23:04:30,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-29 23:04:30,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-29 23:04:30,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-29 23:04:30,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-29 23:04:30,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-29 23:04:30,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-29 23:04:30,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-29 23:04:30,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 23:04:30,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 23:04:30,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 23:04:30,636 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-29 23:04:30,669 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 23:04:30,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 23:04:30,669 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 23:04:30,669 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 23:04:30,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-29 23:04:30,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-29 23:04:30,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 23:04:30,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 23:04:30,671 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 23:04:30,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 23:04:30,672 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 23:04:30,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 23:04:30,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 23:04:30,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 23:04:30,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-29 23:04:30,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-29 23:04:30,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-29 23:04:30,673 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 23:04:30,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 23:04:30,673 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 23:04:30,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-29 23:04:30,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 23:04:30,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 23:04:30,674 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-29 23:04:30,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-29 23:04:30,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 23:04:30,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 23:04:30,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-29 23:04:30,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-29 23:04:30,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 23:04:30,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-29 23:04:30,676 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-29 23:04:30,676 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-29 23:04:30,676 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-29 23:04:30,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-29 23:04:30,676 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-29 23:04:30,676 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-29 23:04:30,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-29 23:04:30,677 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 23:04:30,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 23:04:30,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 23:04:30,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 23:04:30,948 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 23:04:30,949 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 23:04:30,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line471.bpl [2022-09-29 23:04:30,950 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/divinefifo_1w1r.line471.bpl' [2022-09-29 23:04:31,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 23:04:31,039 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-29 23:04:31,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 23:04:31,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 23:04:31,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 23:04:31,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line471.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:04:31" (1/1) ... [2022-09-29 23:04:31,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line471.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:04:31" (1/1) ... [2022-09-29 23:04:31,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line471.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:04:31" (1/1) ... [2022-09-29 23:04:31,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line471.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:04:31" (1/1) ... [2022-09-29 23:04:31,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line471.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:04:31" (1/1) ... [2022-09-29 23:04:31,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line471.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:04:31" (1/1) ... [2022-09-29 23:04:31,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line471.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:04:31" (1/1) ... [2022-09-29 23:04:31,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 23:04:31,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 23:04:31,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 23:04:31,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 23:04:31,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line471.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:04:31" (1/1) ... [2022-09-29 23:04:31,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 23:04:31,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 23:04:31,216 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) [2022-09-29 23:04:31,244 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 [2022-09-29 23:04:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-09-29 23:04:31,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-09-29 23:04:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 23:04:31,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 23:04:31,268 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 23:04:31,402 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 23:04:31,404 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 23:04:32,458 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 23:04:32,488 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 23:04:32,489 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-09-29 23:04:32,492 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line471.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 11:04:32 BoogieIcfgContainer [2022-09-29 23:04:32,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 23:04:32,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-29 23:04:32,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-29 23:04:32,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-29 23:04:32,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line471.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 11:04:31" (1/2) ... [2022-09-29 23:04:32,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768bd918 and model type divinefifo_1w1r.line471.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 11:04:32, skipping insertion in model container [2022-09-29 23:04:32,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line471.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 11:04:32" (2/2) ... [2022-09-29 23:04:32,504 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line471.bpl [2022-09-29 23:04:32,511 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-29 23:04:32,520 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-29 23:04:32,520 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-29 23:04:32,520 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-29 23:04:32,641 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-09-29 23:04:32,699 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 23:04:32,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 23:04:32,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 23:04:32,701 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) [2022-09-29 23:04:32,705 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 [2022-09-29 23:04:32,734 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 23:04:32,741 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 23:04:32,747 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;@2b6509e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 23:04:32,747 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 23:04:32,750 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-09-29 23:04:32,752 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 23:04:32,756 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-29 23:04:32,759 INFO L307 ceAbstractionStarter]: Result for error location pusherErr0ASSERT_VIOLATIONASSERT was SAFE (1/3) [2022-09-29 23:04:32,773 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 23:04:32,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 23:04:32,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 23:04:32,776 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) [2022-09-29 23:04:32,801 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 [2022-09-29 23:04:32,810 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 23:04:32,810 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-29 23:04:32,812 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;@2b6509e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 23:04:32,812 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 23:04:32,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-29 23:04:32,883 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-29 23:04:32,883 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2022-09-29 23:04:32,897 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 23:04:32,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 23:04:32,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 23:04:32,921 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) [2022-09-29 23:04:32,930 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 23:04:32,931 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherErr0ASSERT_VIOLATIONASSERT ======== [2022-09-29 23:04:32,932 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;@2b6509e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 23:04:32,932 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 23:04:32,944 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 [2022-09-29 23:04:33,133 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 23:04:33,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 23:04:33,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1113536118, now seen corresponding path program 1 times [2022-09-29 23:04:33,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 23:04:33,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756210251] [2022-09-29 23:04:33,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 23:04:33,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 23:04:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 23:04:33,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 23:04:33,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 23:04:33,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756210251] [2022-09-29 23:04:33,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756210251] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 23:04:33,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 23:04:33,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-29 23:04:33,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755902515] [2022-09-29 23:04:33,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 23:04:33,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-29 23:04:33,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 23:04:33,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-29 23:04:33,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-29 23:04:33,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:04:33,626 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 23:04:33,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 192.5) internal successors, (385), 2 states have internal predecessors, (385), 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) [2022-09-29 23:04:33,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:04:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:04:33,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-29 23:04:33,688 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 23:04:33,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 23:04:33,689 INFO L85 PathProgramCache]: Analyzing trace with hash -902290630, now seen corresponding path program 1 times [2022-09-29 23:04:33,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 23:04:33,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510871323] [2022-09-29 23:04:33,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 23:04:33,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 23:04:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 23:04:34,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 23:04:34,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 23:04:34,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510871323] [2022-09-29 23:04:34,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510871323] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 23:04:34,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 23:04:34,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-29 23:04:34,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016629350] [2022-09-29 23:04:34,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 23:04:34,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-09-29 23:04:34,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 23:04:34,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-09-29 23:04:34,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-09-29 23:04:34,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:04:34,042 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 23:04:34,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 76.8) internal successors, (384), 6 states have internal predecessors, (384), 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) [2022-09-29 23:04:34,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:04:34,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:04:38,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:04:38,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 23:04:38,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-29 23:04:38,577 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 23:04:38,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 23:04:38,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1490259691, now seen corresponding path program 1 times [2022-09-29 23:04:38,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 23:04:38,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055927943] [2022-09-29 23:04:38,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 23:04:38,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 23:04:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 23:04:42,907 INFO L134 CoverageAnalysis]: Checked inductivity of 15029 backedges. 0 proven. 7579 refuted. 0 times theorem prover too weak. 7450 trivial. 0 not checked. [2022-09-29 23:04:42,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 23:04:42,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055927943] [2022-09-29 23:04:42,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055927943] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 23:04:42,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849938556] [2022-09-29 23:04:42,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 23:04:42,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 23:04:42,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 23:04:42,915 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 23:04:42,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-09-29 23:04:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 23:04:44,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 9978 conjuncts, 9 conjunts are in the unsatisfiable core [2022-09-29 23:04:44,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 23:04:46,816 INFO L134 CoverageAnalysis]: Checked inductivity of 15029 backedges. 11164 proven. 0 refuted. 0 times theorem prover too weak. 3865 trivial. 0 not checked. [2022-09-29 23:04:46,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-29 23:04:46,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849938556] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 23:04:46,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-29 23:04:46,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 23 [2022-09-29 23:04:46,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446437487] [2022-09-29 23:04:46,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 23:04:46,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-29 23:04:46,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 23:04:46,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-29 23:04:46,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2022-09-29 23:04:46,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:04:46,826 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 23:04:46,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 233.4) internal successors, (2334), 10 states have internal predecessors, (2334), 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) [2022-09-29 23:04:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:04:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-09-29 23:04:46,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:04:48,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 23:04:48,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-09-29 23:04:48,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-09-29 23:04:48,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-09-29 23:04:48,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 23:04:48,202 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-09-29 23:04:48,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 23:04:48,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1335978007, now seen corresponding path program 1 times [2022-09-29 23:04:48,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 23:04:48,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819609820] [2022-09-29 23:04:48,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 23:04:48,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 23:04:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 23:05:24,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3285 backedges. 1348 proven. 1409 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2022-09-29 23:05:24,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 23:05:24,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819609820] [2022-09-29 23:05:24,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819609820] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 23:05:24,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6571375] [2022-09-29 23:05:24,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 23:05:24,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 23:05:24,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 23:05:24,084 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) [2022-09-29 23:05:24,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-09-29 23:05:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 23:05:25,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 4386 conjuncts, 352 conjunts are in the unsatisfiable core [2022-09-29 23:05:25,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 23:05:28,943 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 [2022-09-29 23:05:28,948 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 [2022-09-29 23:05:30,271 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 [2022-09-29 23:05:31,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 23:05:31,663 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 25 treesize of output 24 [2022-09-29 23:05:31,681 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 [2022-09-29 23:05:32,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 23:05:32,567 INFO L356 Elim1Store]: treesize reduction 25, result has 26.5 percent of original size [2022-09-29 23:05:32,568 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 34 treesize of output 36 [2022-09-29 23:05:32,587 INFO L356 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-09-29 23:05:32,587 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 21 treesize of output 20 [2022-09-29 23:05:33,337 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-09-29 23:05:33,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 23:05:33,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 23:05:33,646 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2022-09-29 23:05:33,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 23:05:33,661 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 [2022-09-29 23:05:36,374 INFO L356 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2022-09-29 23:05:36,374 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 39 [2022-09-29 23:05:36,385 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 27 treesize of output 15 [2022-09-29 23:05:36,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 23:05:36,402 INFO L356 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2022-09-29 23:05:36,402 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 41 treesize of output 37 [2022-09-29 23:05:38,079 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 [2022-09-29 23:05:38,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 23:05:38,088 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 32 [2022-09-29 23:05:39,901 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 20 treesize of output 8 [2022-09-29 23:05:40,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 23:05:40,995 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-09-29 23:05:40,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 36 [2022-09-29 23:05:41,010 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 [2022-09-29 23:05:41,777 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 [2022-09-29 23:05:41,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-09-29 23:05:41,783 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 31 treesize of output 30 [2022-09-29 23:05:42,801 INFO L173 IndexEqualityManager]: detected equality via solver [2022-09-29 23:05:42,803 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 26 [2022-09-29 23:05:45,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3285 backedges. 1777 proven. 82 refuted. 0 times theorem prover too weak. 1426 trivial. 0 not checked. [2022-09-29 23:05:45,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 23:05:47,407 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 124 treesize of output 118 [2022-09-29 23:06:11,880 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_2242 (Array Int Int))) (not (let ((.cse1 (let ((.cse2 (store |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.offset| |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base| v_ArrVal_2242))) (store .cse2 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse2 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse0 (+ (select (select .cse1 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4)) 12))) (<= .cse0 (select (select .cse1 |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.base|) .cse0)))))) (or (and (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_pusherThread1of1ForFork0_~q~0#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| |c_pusherThread1of1ForFork0_~q~0#1.offset|)) (forall ((v_ArrVal_2242 (Array Int Int)) (v_arrayElimCell_21 Int)) (not (let ((.cse4 (let ((.cse5 (store |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.offset| |c_pusherThread1of1ForFork0_write~$Pointer$_#ptr#1.base| v_ArrVal_2242))) (store .cse5 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse5 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse3 (+ (select (select .cse4 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4)) 12))) (<= .cse3 (select (select .cse4 v_arrayElimCell_21) .cse3)))))))) is different from false [2022-09-29 23:06:11,928 WARN L833 $PredicateComparison]: unable to prove that (and (or (and (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_pusherThread1of1ForFork0_~q~0#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| |c_pusherThread1of1ForFork0_~q~0#1.offset|)) (forall ((v_ArrVal_2242 (Array Int Int)) (v_arrayElimCell_21 Int)) (not (let ((.cse1 (let ((.cse2 (store |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.offset| |c_pusherThread1of1ForFork0_fifo_push_#t~mem30#1.base| v_ArrVal_2242))) (store .cse2 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse2 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse0 (+ (select (select .cse1 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4)) 12))) (<= .cse0 (select (select .cse1 v_arrayElimCell_21) .cse0))))))) (forall ((v_ArrVal_2242 (Array Int Int))) (not (let ((.cse4 (let ((.cse5 (store |c_pusherThread1of1ForFork0_write~$Pointer$_old_#memory_$Pointer$#1.offset| |c_pusherThread1of1ForFork0_fifo_push_#t~mem30#1.base| v_ArrVal_2242))) (store .cse5 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse5 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse3 (+ (select (select .cse4 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4)) 12))) (<= .cse3 (select (select .cse4 |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.base|) .cse3))))))) is different from false [2022-09-29 23:06:11,951 WARN L833 $PredicateComparison]: unable to prove that (and (or (and (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_pusherThread1of1ForFork0_~q~0#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| |c_pusherThread1of1ForFork0_~q~0#1.offset|)) (forall ((v_ArrVal_2242 (Array Int Int)) (v_arrayElimCell_21 Int)) (not (let ((.cse1 (let ((.cse2 (store |c_#memory_$Pointer$.offset| |c_pusherThread1of1ForFork0_fifo_push_#t~mem30#1.base| v_ArrVal_2242))) (store .cse2 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse2 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse0 (+ (select (select .cse1 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4)) 12))) (<= .cse0 (select (select .cse1 v_arrayElimCell_21) .cse0))))))) (forall ((v_ArrVal_2242 (Array Int Int))) (not (let ((.cse4 (let ((.cse5 (store |c_#memory_$Pointer$.offset| |c_pusherThread1of1ForFork0_fifo_push_#t~mem30#1.base| v_ArrVal_2242))) (store .cse5 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse5 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse3 (+ (select (select .cse4 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4)) 12))) (<= .cse3 (select (select .cse4 |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.base|) .cse3))))))) is different from false [2022-09-29 23:06:11,975 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_2242 (Array Int Int))) (not (let ((.cse1 (let ((.cse2 (store |c_#memory_$Pointer$.offset| |c_pusherThread1of1ForFork0_read~$Pointer$_#value#1.base| v_ArrVal_2242))) (store .cse2 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse2 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse0 (+ (select (select .cse1 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4)) 12))) (<= .cse0 (select (select .cse1 |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.base|) .cse0)))))) (or (and (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_pusherThread1of1ForFork0_~q~0#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| |c_pusherThread1of1ForFork0_~q~0#1.offset|)) (forall ((v_ArrVal_2242 (Array Int Int)) (v_arrayElimCell_21 Int)) (not (let ((.cse4 (let ((.cse5 (store |c_#memory_$Pointer$.offset| |c_pusherThread1of1ForFork0_read~$Pointer$_#value#1.base| v_ArrVal_2242))) (store .cse5 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse5 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse3 (+ (select (select .cse4 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4)) 12))) (<= .cse3 (select (select .cse4 v_arrayElimCell_21) .cse3)))))))) is different from false [2022-09-29 23:06:11,989 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_2242 (Array Int Int))) (not (let ((.cse1 (let ((.cse2 (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_read~$Pointer$_#ptr#1.base|) |c_pusherThread1of1ForFork0_read~$Pointer$_#ptr#1.offset|) v_ArrVal_2242))) (store .cse2 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse2 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse0 (+ (select (select .cse1 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4)) 12))) (<= .cse0 (select (select .cse1 |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.base|) .cse0)))))) (or (and (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_pusherThread1of1ForFork0_~q~0#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| |c_pusherThread1of1ForFork0_~q~0#1.offset|)) (forall ((v_ArrVal_2242 (Array Int Int)) (v_arrayElimCell_21 Int)) (not (let ((.cse4 (let ((.cse5 (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_read~$Pointer$_#ptr#1.base|) |c_pusherThread1of1ForFork0_read~$Pointer$_#ptr#1.offset|) v_ArrVal_2242))) (store .cse5 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse5 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4) |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|))))) (let ((.cse3 (+ (select (select .cse4 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4)) 12))) (<= .cse3 (select (select .cse4 v_arrayElimCell_21) .cse3)))))))) is different from false [2022-09-29 23:06:12,033 WARN L833 $PredicateComparison]: unable to prove that (and (or (and (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_pusherThread1of1ForFork0_~q~0#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| |c_pusherThread1of1ForFork0_~q~0#1.offset|)) (forall ((v_ArrVal_2242 (Array Int Int)) (v_arrayElimCell_21 Int)) (not (let ((.cse1 (let ((.cse3 (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4))) (let ((.cse2 (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) .cse3) v_ArrVal_2242))) (store .cse2 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse2 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) .cse3 |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|)))))) (let ((.cse0 (+ 12 (select (select .cse1 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4))))) (<= .cse0 (select (select .cse1 v_arrayElimCell_21) .cse0))))))) (forall ((v_ArrVal_2242 (Array Int Int))) (not (let ((.cse5 (let ((.cse7 (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4))) (let ((.cse6 (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) .cse7) v_ArrVal_2242))) (store .cse6 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse6 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) .cse7 |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|)))))) (let ((.cse4 (+ 12 (select (select .cse5 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4))))) (<= .cse4 (select (select .cse5 |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.base|) .cse4))))))) is different from false [2022-09-29 23:06:12,506 WARN L833 $PredicateComparison]: unable to prove that (or (and (or (and (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| |c_pusherThread1of1ForFork0_~q~0#1.base|) (= |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| |c_pusherThread1of1ForFork0_~q~0#1.offset|)) (forall ((v_ArrVal_2242 (Array Int Int)) (v_arrayElimCell_21 Int)) (not (let ((.cse1 (let ((.cse3 (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4))) (let ((.cse2 (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) .cse3) v_ArrVal_2242))) (store .cse2 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse2 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) .cse3 |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|)))))) (let ((.cse0 (+ 12 (select (select .cse1 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4))))) (<= .cse0 (select (select .cse1 v_arrayElimCell_21) .cse0))))))) (forall ((v_ArrVal_2242 (Array Int Int))) (not (let ((.cse5 (let ((.cse7 (+ |c_pusherThread1of1ForFork0_fifo_push_~self#1.offset| 4))) (let ((.cse6 (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) .cse7) v_ArrVal_2242))) (store .cse6 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base| (store (select .cse6 |c_pusherThread1of1ForFork0_fifo_push_~self#1.base|) .cse7 |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|)))))) (let ((.cse4 (+ 12 (select (select .cse5 |c_pusherThread1of1ForFork0_~q~0#1.base|) (+ |c_pusherThread1of1ForFork0_~q~0#1.offset| 4))))) (<= .cse4 (select (select .cse5 |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.base|) .cse4))))))) (and (= |c_pusherThread1of1ForFork0_read~$Pointer$_#value#1.offset| |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.offset|) (= |c_pusherThread1of1ForFork0_fifo_push_~t~0#1.base| |c_pusherThread1of1ForFork0_read~$Pointer$_#value#1.base|))) is different from false [2022-09-29 23:07:36,024 WARN L233 SmtUtils]: Spent 24.18s on a formula simplification that was a NOOP. DAG size: 78 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 23:08:37,536 WARN L233 SmtUtils]: Spent 12.07s on a formula simplification that was a NOOP. DAG size: 78 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-09-29 23:09:39,226 WARN L230 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-09-29 23:09:39,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2022-09-29 23:09:39,227 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-09-29 23:09:39,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-09-29 23:09:39,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 23:09:39,429 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.push(UndoableWrapperScript.java:54) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:620) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:370) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:198) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 55 more [2022-09-29 23:09:39,432 INFO L158 Benchmark]: Toolchain (without parser) took 308392.54ms. Allocated memory was 188.7MB in the beginning and 5.3GB in the end (delta: 5.1GB). Free memory was 136.8MB in the beginning and 4.3GB in the end (delta: -4.1GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2022-09-29 23:09:39,432 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 142.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-29 23:09:39,433 INFO L158 Benchmark]: Boogie Preprocessor took 130.69ms. Allocated memory is still 188.7MB. Free memory was 136.8MB in the beginning and 157.5MB in the end (delta: -20.7MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. [2022-09-29 23:09:39,433 INFO L158 Benchmark]: RCFGBuilder took 1308.75ms. Allocated memory was 188.7MB in the beginning and 269.5MB in the end (delta: 80.7MB). Free memory was 157.3MB in the beginning and 210.4MB in the end (delta: -53.1MB). Peak memory consumption was 58.6MB. Max. memory is 8.0GB. [2022-09-29 23:09:39,434 INFO L158 Benchmark]: TraceAbstraction took 306937.50ms. Allocated memory was 269.5MB in the beginning and 5.3GB in the end (delta: 5.0GB). Free memory was 209.9MB in the beginning and 4.3GB in the end (delta: -4.1GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2022-09-29 23:09:39,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 142.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 130.69ms. Allocated memory is still 188.7MB. Free memory was 136.8MB in the beginning and 157.5MB in the end (delta: -20.7MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. * RCFGBuilder took 1308.75ms. Allocated memory was 188.7MB in the beginning and 269.5MB in the end (delta: 80.7MB). Free memory was 157.3MB in the beginning and 210.4MB in the end (delta: -53.1MB). Peak memory consumption was 58.6MB. Max. memory is 8.0GB. * TraceAbstraction took 306937.50ms. Allocated memory was 269.5MB in the beginning and 5.3GB in the end (delta: 5.0GB). Free memory was 209.9MB in the beginning and 4.3GB in the end (delta: -4.1GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 2, Statistics for Abstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-09-29 23:09:39,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2022-09-29 23:09:39,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-09-29 23:09:39,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request...