/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/queue_ok_longer.line283.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-30 06:17:05,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-30 06:17:05,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-30 06:17:05,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-30 06:17:05,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-30 06:17:05,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-30 06:17:05,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-30 06:17:05,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-30 06:17:05,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-30 06:17:05,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-30 06:17:05,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-30 06:17:05,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-30 06:17:05,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-30 06:17:05,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-30 06:17:05,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-30 06:17:05,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-30 06:17:05,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-30 06:17:05,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-30 06:17:05,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-30 06:17:05,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-30 06:17:05,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-30 06:17:05,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-30 06:17:05,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-30 06:17:05,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-30 06:17:05,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-30 06:17:05,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-30 06:17:05,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-30 06:17:05,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-30 06:17:05,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-30 06:17:05,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-30 06:17:05,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-30 06:17:05,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-30 06:17:05,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-30 06:17:05,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-30 06:17:05,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-30 06:17:05,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-30 06:17:05,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-30 06:17:05,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-30 06:17:05,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-30 06:17:05,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-30 06:17:05,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-30 06:17:05,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-30 06:17:05,276 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-30 06:17:05,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-30 06:17:05,277 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-30 06:17:05,277 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-30 06:17:05,278 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-30 06:17:05,278 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-30 06:17:05,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-30 06:17:05,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-30 06:17:05,279 INFO L138 SettingsManager]: * Use SBE=true [2022-09-30 06:17:05,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-30 06:17:05,280 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-30 06:17:05,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-30 06:17:05,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-30 06:17:05,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-30 06:17:05,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-30 06:17:05,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-30 06:17:05,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-30 06:17:05,281 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-30 06:17:05,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-30 06:17:05,281 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-30 06:17:05,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-30 06:17:05,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-30 06:17:05,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-30 06:17:05,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-30 06:17:05,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-30 06:17:05,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-30 06:17:05,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-30 06:17:05,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-30 06:17:05,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-30 06:17:05,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-30 06:17:05,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-30 06:17:05,283 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-30 06:17:05,283 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-30 06:17:05,283 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-30 06:17:05,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-30 06:17:05,284 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-30 06:17:05,284 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-30 06:17:05,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-30 06:17:05,284 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-30 06:17:05,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-30 06:17:05,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-30 06:17:05,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-30 06:17:05,567 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-30 06:17:05,568 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-30 06:17:05,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/queue_ok_longer.line283.bpl [2022-09-30 06:17:05,570 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/queue_ok_longer.line283.bpl' [2022-09-30 06:17:05,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-30 06:17:05,629 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-30 06:17:05,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-30 06:17:05,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-30 06:17:05,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-30 06:17:05,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue_ok_longer.line283.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 06:17:05" (1/1) ... [2022-09-30 06:17:05,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue_ok_longer.line283.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 06:17:05" (1/1) ... [2022-09-30 06:17:05,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue_ok_longer.line283.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 06:17:05" (1/1) ... [2022-09-30 06:17:05,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue_ok_longer.line283.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 06:17:05" (1/1) ... [2022-09-30 06:17:05,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue_ok_longer.line283.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 06:17:05" (1/1) ... [2022-09-30 06:17:05,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue_ok_longer.line283.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 06:17:05" (1/1) ... [2022-09-30 06:17:05,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue_ok_longer.line283.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 06:17:05" (1/1) ... [2022-09-30 06:17:05,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-30 06:17:05,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-30 06:17:05,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-30 06:17:05,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-30 06:17:05,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue_ok_longer.line283.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 06:17:05" (1/1) ... [2022-09-30 06:17:05,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-30 06:17:05,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 06:17:05,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-30 06:17:05,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-30 06:17:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-09-30 06:17:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-09-30 06:17:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-09-30 06:17:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-09-30 06:17:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-30 06:17:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-30 06:17:05,817 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-30 06:17:06,053 INFO L234 CfgBuilder]: Building ICFG [2022-09-30 06:17:06,055 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-30 06:17:06,532 INFO L275 CfgBuilder]: Performing block encoding [2022-09-30 06:17:06,562 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-30 06:17:06,562 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-09-30 06:17:06,565 INFO L202 PluginConnector]: Adding new model queue_ok_longer.line283.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 06:17:06 BoogieIcfgContainer [2022-09-30 06:17:06,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-30 06:17:06,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-30 06:17:06,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-30 06:17:06,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-30 06:17:06,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue_ok_longer.line283.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 06:17:05" (1/2) ... [2022-09-30 06:17:06,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e4db74 and model type queue_ok_longer.line283.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 06:17:06, skipping insertion in model container [2022-09-30 06:17:06,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue_ok_longer.line283.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 06:17:06" (2/2) ... [2022-09-30 06:17:06,583 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok_longer.line283.bpl [2022-09-30 06:17:06,591 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-30 06:17:06,600 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-30 06:17:06,600 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-30 06:17:06,600 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-30 06:17:06,775 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-30 06:17:06,832 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 06:17:06,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 06:17:06,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 06:17:06,840 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-30 06:17:06,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-09-30 06:17:06,870 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 06:17:06,877 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-30 06:17:06,883 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;@2bae5115, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 06:17:06,883 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 06:17:07,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-30 06:17:07,285 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-30 06:17:07,288 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/4) [2022-09-30 06:17:07,305 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 06:17:07,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 06:17:07,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 06:17:07,315 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-30 06:17:07,320 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 06:17:07,321 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-30 06:17:07,322 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;@2bae5115, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 06:17:07,322 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 06:17:07,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-09-30 06:17:07,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-30 06:17:07,354 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-30 06:17:07,357 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2022-09-30 06:17:07,363 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 06:17:07,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 06:17:07,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 06:17:07,416 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-30 06:17:07,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-09-30 06:17:07,420 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 06:17:07,421 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err0ASSERT_VIOLATIONASSERT ======== [2022-09-30 06:17:07,421 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;@2bae5115, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 06:17:07,422 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 06:17:07,422 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-09-30 06:17:07,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-30 06:17:07,423 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-30 06:17:07,423 INFO L307 ceAbstractionStarter]: Result for error location t1Err0ASSERT_VIOLATIONASSERT was SAFE (3/4) [2022-09-30 06:17:07,428 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 06:17:07,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 06:17:07,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 06:17:07,433 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-30 06:17:07,447 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 06:17:07,448 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err0ASSERT_VIOLATIONASSERT ======== [2022-09-30 06:17:07,448 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;@2bae5115, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 06:17:07,448 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 06:17:07,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-09-30 06:17:07,510 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-09-30 06:17:07,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 06:17:07,515 INFO L85 PathProgramCache]: Analyzing trace with hash 2081118069, now seen corresponding path program 1 times [2022-09-30 06:17:07,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 06:17:07,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717595308] [2022-09-30 06:17:07,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 06:17:07,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 06:17:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 06:17:07,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-30 06:17:07,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 06:17:07,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717595308] [2022-09-30 06:17:07,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717595308] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 06:17:07,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 06:17:07,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-30 06:17:07,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560529450] [2022-09-30 06:17:07,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 06:17:07,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-30 06:17:07,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 06:17:07,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-30 06:17:07,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-30 06:17:07,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:17:07,932 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 06:17:07,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 104.5) internal successors, (209), 2 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-30 06:17:07,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:17:07,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:17:07,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-30 06:17:07,962 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-09-30 06:17:07,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 06:17:07,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1754767767, now seen corresponding path program 1 times [2022-09-30 06:17:07,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 06:17:07,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114592661] [2022-09-30 06:17:07,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 06:17:07,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 06:17:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 06:17:08,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-30 06:17:08,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 06:17:08,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114592661] [2022-09-30 06:17:08,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114592661] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 06:17:08,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 06:17:08,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-09-30 06:17:08,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030875704] [2022-09-30 06:17:08,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 06:17:08,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-30 06:17:08,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 06:17:08,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-30 06:17:08,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-09-30 06:17:08,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:17:08,264 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 06:17:08,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 23.0) internal successors, (207), 10 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-30 06:17:08,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:17:08,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:17:23,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 06:17:23,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-30 06:17:23,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-30 06:17:23,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-30 06:17:23,515 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-09-30 06:17:23,515 INFO L307 ceAbstractionStarter]: Result for error location t1Err0ASSERT_VIOLATIONASSERT was SAFE (4/4) [2022-09-30 06:17:23,519 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-30 06:17:23,519 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-30 06:17:23,526 INFO L202 PluginConnector]: Adding new model queue_ok_longer.line283.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 06:17:23 BasicIcfg [2022-09-30 06:17:23,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-30 06:17:23,527 INFO L158 Benchmark]: Toolchain (without parser) took 17897.77ms. Allocated memory was 180.4MB in the beginning and 6.6GB in the end (delta: 6.4GB). Free memory was 129.1MB in the beginning and 6.0GB in the end (delta: -5.9GB). Peak memory consumption was 966.2MB. Max. memory is 8.0GB. [2022-09-30 06:17:23,528 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.40ms. Allocated memory is still 180.4MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-30 06:17:23,530 INFO L158 Benchmark]: Boogie Preprocessor took 95.81ms. Allocated memory is still 180.4MB. Free memory was 129.0MB in the beginning and 125.6MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-30 06:17:23,530 INFO L158 Benchmark]: RCFGBuilder took 836.69ms. Allocated memory was 180.4MB in the beginning and 237.0MB in the end (delta: 56.6MB). Free memory was 125.6MB in the beginning and 184.2MB in the end (delta: -58.6MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. [2022-09-30 06:17:23,531 INFO L158 Benchmark]: TraceAbstraction took 16959.17ms. Allocated memory was 237.0MB in the beginning and 6.6GB in the end (delta: 6.4GB). Free memory was 183.6MB in the beginning and 6.0GB in the end (delta: -5.8GB). Peak memory consumption was 963.5MB. Max. memory is 8.0GB. [2022-09-30 06:17:23,532 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 0.40ms. Allocated memory is still 180.4MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 95.81ms. Allocated memory is still 180.4MB. Free memory was 129.0MB in the beginning and 125.6MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 836.69ms. Allocated memory was 180.4MB in the beginning and 237.0MB in the end (delta: 56.6MB). Free memory was 125.6MB in the beginning and 184.2MB in the end (delta: -58.6MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. * TraceAbstraction took 16959.17ms. Allocated memory was 237.0MB in the beginning and 6.6GB in the end (delta: 6.4GB). Free memory was 183.6MB in the beginning and 6.0GB in the end (delta: -5.8GB). Peak memory consumption was 963.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1768, positive: 1674, positive conditional: 1674, positive unconditional: 0, negative: 94, negative conditional: 94, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1768, positive: 1674, positive conditional: 1674, positive unconditional: 0, negative: 94, negative conditional: 94, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1688, positive: 1674, positive conditional: 0, positive unconditional: 1674, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1651, positive: 1637, positive conditional: 0, positive unconditional: 1637, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1688, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1651, unknown conditional: 0, unknown unconditional: 1651] , Statistics on independence cache: Total cache size (in pairs): 1651, Positive cache size: 1637, Positive conditional cache size: 0, Positive unconditional cache size: 1637, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Independence queries for same thread: 80, 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: - 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: 35, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 554505, positive: 540550, positive conditional: 540550, positive unconditional: 0, negative: 13955, negative conditional: 13955, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 542277, positive: 540550, positive conditional: 0, positive unconditional: 540550, negative: 1727, negative conditional: 0, negative unconditional: 1727, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 24721, positive: 24612, positive conditional: 0, positive unconditional: 24612, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 542277, positive: 515938, positive conditional: 0, positive unconditional: 515938, negative: 1618, negative conditional: 0, negative unconditional: 1618, unknown: 24721, unknown conditional: 0, unknown unconditional: 24721] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 5, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 33, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 554505, positive: 540550, positive conditional: 540550, positive unconditional: 0, negative: 13955, negative conditional: 13955, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 542277, positive: 540550, positive conditional: 0, positive unconditional: 540550, negative: 1727, negative conditional: 0, negative unconditional: 1727, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 24721, positive: 24612, positive conditional: 0, positive unconditional: 24612, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 542277, positive: 515938, positive conditional: 0, positive unconditional: 515938, negative: 1618, negative conditional: 0, negative unconditional: 1618, unknown: 24721, unknown conditional: 0, unknown unconditional: 24721] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 8, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 554437, positive: 540490, positive conditional: 540490, positive unconditional: 0, negative: 13947, negative conditional: 13947, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 554505, positive: 540550, positive conditional: 540550, positive unconditional: 0, negative: 13955, negative conditional: 13955, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 542277, positive: 540550, positive conditional: 0, positive unconditional: 540550, negative: 1727, negative conditional: 0, negative unconditional: 1727, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 24721, positive: 24612, positive conditional: 0, positive unconditional: 24612, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 542277, positive: 515938, positive conditional: 0, positive unconditional: 515938, negative: 1618, negative conditional: 0, negative unconditional: 1618, unknown: 24721, unknown conditional: 0, unknown unconditional: 24721] , Statistics on independence cache: Total cache size (in pairs): 24721, Positive cache size: 24612, Positive conditional cache size: 0, Positive unconditional cache size: 24612, Negative cache size: 109, Negative conditional cache size: 0, Negative unconditional cache size: 109, Independence queries for same thread: 12228, Statistics for Abstraction: - PositiveResult [Line: 283]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 810 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 810 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t1Err0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 5 procedures, 810 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t1Err0ASSERT_VIOLATIONASSERT with 2 thread instances CFG has 5 procedures, 810 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 16.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 15.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 416 NumberOfCodeBlocks, 416 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 414 ConstructedInterpolants, 0 QuantifiedInterpolants, 810 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-30 06:17:23,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2022-09-30 06:17:23,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2022-09-30 06:17:23,980 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 [2022-09-30 06:17:24,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-09-30 06:17:24,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...