/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk15/queue.line736.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-21 16:18:28,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-21 16:18:28,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-21 16:18:28,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-21 16:18:28,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-21 16:18:28,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-21 16:18:28,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-21 16:18:28,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-21 16:18:28,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-21 16:18:28,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-21 16:18:28,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-21 16:18:28,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-21 16:18:28,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-21 16:18:28,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-21 16:18:28,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-21 16:18:28,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-21 16:18:28,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-21 16:18:28,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-21 16:18:28,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-21 16:18:28,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-21 16:18:28,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-21 16:18:28,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-21 16:18:28,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-21 16:18:28,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-21 16:18:28,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-21 16:18:28,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-21 16:18:28,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-21 16:18:28,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-21 16:18:28,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-21 16:18:28,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-21 16:18:28,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-21 16:18:28,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-21 16:18:28,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-21 16:18:28,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-21 16:18:28,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-21 16:18:28,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-21 16:18:28,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-21 16:18:28,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-21 16:18:28,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-21 16:18:28,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-21 16:18:28,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-21 16:18:28,650 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-21 16:18:28,670 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-21 16:18:28,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-21 16:18:28,671 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-21 16:18:28,671 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-21 16:18:28,672 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-21 16:18:28,672 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-21 16:18:28,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-21 16:18:28,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-21 16:18:28,674 INFO L138 SettingsManager]: * Use SBE=true [2022-10-21 16:18:28,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-21 16:18:28,675 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-21 16:18:28,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-21 16:18:28,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-21 16:18:28,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-21 16:18:28,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-21 16:18:28,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-21 16:18:28,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-21 16:18:28,676 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-21 16:18:28,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-21 16:18:28,676 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-21 16:18:28,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-21 16:18:28,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-21 16:18:28,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-21 16:18:28,676 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-21 16:18:28,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-21 16:18:28,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-21 16:18:28,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-21 16:18:28,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-21 16:18:28,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-21 16:18:28,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-21 16:18:28,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-21 16:18:28,677 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-21 16:18:28,678 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-21 16:18:28,678 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-21 16:18:28,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-21 16:18:28,678 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-21 16:18:28,678 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-21 16:18:28,678 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-21 16:18:28,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-21 16:18:28,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-21 16:18:29,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-21 16:18:29,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-21 16:18:29,008 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-21 16:18:29,010 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-21 16:18:29,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk15/queue.line736.bpl [2022-10-21 16:18:29,012 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk15/queue.line736.bpl' [2022-10-21 16:18:29,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-21 16:18:29,078 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-21 16:18:29,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-21 16:18:29,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-21 16:18:29,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-21 16:18:29,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "queue.line736.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:18:29" (1/1) ... [2022-10-21 16:18:29,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "queue.line736.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:18:29" (1/1) ... [2022-10-21 16:18:29,125 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-21 16:18:29,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-21 16:18:29,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-21 16:18:29,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-21 16:18:29,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-21 16:18:29,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue.line736.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:18:29" (1/1) ... [2022-10-21 16:18:29,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue.line736.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:18:29" (1/1) ... [2022-10-21 16:18:29,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue.line736.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:18:29" (1/1) ... [2022-10-21 16:18:29,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue.line736.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:18:29" (1/1) ... [2022-10-21 16:18:29,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue.line736.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:18:29" (1/1) ... [2022-10-21 16:18:29,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue.line736.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:18:29" (1/1) ... [2022-10-21 16:18:29,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue.line736.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:18:29" (1/1) ... [2022-10-21 16:18:29,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-21 16:18:29,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-21 16:18:29,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-21 16:18:29,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-21 16:18:29,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue.line736.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:18:29" (1/1) ... [2022-10-21 16:18:29,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-21 16:18:29,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 16:18:29,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-21 16:18:29,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-21 16:18:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-21 16:18:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-21 16:18:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-21 16:18:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-21 16:18:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-21 16:18:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-21 16:18:29,300 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-21 16:18:29,426 INFO L234 CfgBuilder]: Building ICFG [2022-10-21 16:18:29,427 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-21 16:18:29,988 INFO L275 CfgBuilder]: Performing block encoding [2022-10-21 16:18:30,012 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-21 16:18:30,013 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-21 16:18:30,015 INFO L202 PluginConnector]: Adding new model queue.line736.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 04:18:30 BoogieIcfgContainer [2022-10-21 16:18:30,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-21 16:18:30,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-21 16:18:30,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-21 16:18:30,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-21 16:18:30,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue.line736.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 04:18:29" (1/2) ... [2022-10-21 16:18:30,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34cd69eb and model type queue.line736.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 04:18:30, skipping insertion in model container [2022-10-21 16:18:30,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue.line736.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 04:18:30" (2/2) ... [2022-10-21 16:18:30,028 INFO L112 eAbstractionObserver]: Analyzing ICFG queue.line736.bpl [2022-10-21 16:18:30,035 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-21 16:18:30,042 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-21 16:18:30,042 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-21 16:18:30,042 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-21 16:18:30,175 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-10-21 16:18:30,229 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 16:18:30,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 16:18:30,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 16:18:30,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-21 16:18:30,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-10-21 16:18:30,312 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-21 16:18:30,318 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-21 16:18:30,325 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;@2c45c9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 16:18:30,325 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 16:18:30,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-21 16:18:30,860 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-21 16:18:30,861 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/4) [2022-10-21 16:18:30,868 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 16:18:30,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 16:18:30,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 16:18:30,870 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-21 16:18:30,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-10-21 16:18:30,874 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-21 16:18:30,874 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-21 16:18:30,875 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;@2c45c9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 16:18:30,875 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 16:18:30,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-21 16:18:30,890 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-21 16:18:30,890 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2022-10-21 16:18:30,894 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 16:18:30,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 16:18:30,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 16:18:30,896 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-21 16:18:30,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-10-21 16:18:30,900 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-21 16:18:30,900 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Err0ASSERT_VIOLATIONASSERT ======== [2022-10-21 16:18:30,901 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;@2c45c9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 16:18:30,901 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 16:18:30,901 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-21 16:18:30,901 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-21 16:18:30,902 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-21 16:18:30,902 INFO L307 ceAbstractionStarter]: Result for error location t2Err0ASSERT_VIOLATIONASSERT was SAFE (3/4) [2022-10-21 16:18:30,906 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 16:18:30,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 16:18:30,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 16:18:30,908 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-21 16:18:30,944 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-21 16:18:30,944 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Err0ASSERT_VIOLATIONASSERT ======== [2022-10-21 16:18:30,945 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;@2c45c9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 16:18:30,945 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 16:18:30,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-10-21 16:18:31,637 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-10-21 16:18:31,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 16:18:31,642 INFO L85 PathProgramCache]: Analyzing trace with hash 451609834, now seen corresponding path program 1 times [2022-10-21 16:18:31,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 16:18:31,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789153172] [2022-10-21 16:18:31,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 16:18:31,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 16:18:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 16:18:32,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2022-10-21 16:18:32,340 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 16:18:32,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789153172] [2022-10-21 16:18:32,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789153172] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-21 16:18:32,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-21 16:18:32,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-21 16:18:32,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621706834] [2022-10-21 16:18:32,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-21 16:18:32,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-21 16:18:32,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 16:18:32,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-21 16:18:32,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-21 16:18:32,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:32,369 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 16:18:32,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 293.5) internal successors, (587), 2 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-21 16:18:32,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:33,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:33,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-21 16:18:33,066 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-10-21 16:18:33,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 16:18:33,067 INFO L85 PathProgramCache]: Analyzing trace with hash -102823827, now seen corresponding path program 1 times [2022-10-21 16:18:33,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 16:18:33,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891610796] [2022-10-21 16:18:33,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 16:18:33,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 16:18:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 16:18:33,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2022-10-21 16:18:33,548 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 16:18:33,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891610796] [2022-10-21 16:18:33,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891610796] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-21 16:18:33,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-21 16:18:33,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-21 16:18:33,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505253495] [2022-10-21 16:18:33,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-21 16:18:33,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-21 16:18:33,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 16:18:33,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-21 16:18:33,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-21 16:18:33,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:33,552 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 16:18:33,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 97.66666666666667) internal successors, (586), 6 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-21 16:18:33,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:33,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:34,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:34,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-21 16:18:34,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-21 16:18:34,368 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-10-21 16:18:34,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 16:18:34,368 INFO L85 PathProgramCache]: Analyzing trace with hash 730238941, now seen corresponding path program 1 times [2022-10-21 16:18:34,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 16:18:34,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063952739] [2022-10-21 16:18:34,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 16:18:34,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 16:18:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 16:18:34,572 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-10-21 16:18:34,572 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 16:18:34,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063952739] [2022-10-21 16:18:34,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063952739] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-21 16:18:34,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-21 16:18:34,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-21 16:18:34,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626585398] [2022-10-21 16:18:34,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-21 16:18:34,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-21 16:18:34,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 16:18:34,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-21 16:18:34,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-21 16:18:34,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:34,574 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 16:18:34,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-21 16:18:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-21 16:18:34,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:35,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:35,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-21 16:18:35,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:18:35,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-21 16:18:35,556 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-10-21 16:18:35,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 16:18:35,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1440138580, now seen corresponding path program 1 times [2022-10-21 16:18:35,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 16:18:35,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235999178] [2022-10-21 16:18:35,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 16:18:35,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 16:18:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 16:18:35,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2022-10-21 16:18:35,787 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 16:18:35,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235999178] [2022-10-21 16:18:35,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235999178] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-21 16:18:35,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-21 16:18:35,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-21 16:18:35,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535439343] [2022-10-21 16:18:35,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-21 16:18:35,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-21 16:18:35,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 16:18:35,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-21 16:18:35,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-21 16:18:35,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:35,789 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 16:18:35,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 93.16666666666667) internal successors, (559), 6 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-21 16:18:35,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:35,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-21 16:18:35,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:18:35,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:36,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:36,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-21 16:18:36,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:18:36,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-21 16:18:36,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-21 16:18:36,257 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-10-21 16:18:36,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 16:18:36,257 INFO L85 PathProgramCache]: Analyzing trace with hash 2133915584, now seen corresponding path program 2 times [2022-10-21 16:18:36,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 16:18:36,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798047175] [2022-10-21 16:18:36,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 16:18:36,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 16:18:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 16:18:36,404 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-10-21 16:18:36,404 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 16:18:36,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798047175] [2022-10-21 16:18:36,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798047175] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-21 16:18:36,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-21 16:18:36,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-21 16:18:36,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335409946] [2022-10-21 16:18:36,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-21 16:18:36,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-21 16:18:36,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 16:18:36,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-21 16:18:36,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-21 16:18:36,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:36,407 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 16:18:36,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 138.0) internal successors, (552), 4 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-21 16:18:36,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:36,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-21 16:18:36,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:18:36,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-21 16:18:36,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:36,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:36,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-21 16:18:36,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:18:36,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-21 16:18:36,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-21 16:18:36,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-21 16:18:36,765 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-10-21 16:18:36,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 16:18:36,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1195034531, now seen corresponding path program 1 times [2022-10-21 16:18:36,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 16:18:36,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800083632] [2022-10-21 16:18:36,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 16:18:36,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 16:18:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 16:18:36,994 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-10-21 16:18:36,994 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 16:18:36,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800083632] [2022-10-21 16:18:36,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800083632] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-21 16:18:36,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-21 16:18:36,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-21 16:18:36,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58872597] [2022-10-21 16:18:36,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-21 16:18:36,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-21 16:18:36,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 16:18:36,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-21 16:18:36,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-21 16:18:36,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:36,998 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 16:18:36,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 174.5) internal successors, (698), 4 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-21 16:18:36,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:36,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-21 16:18:36,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:18:36,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-21 16:18:36,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-21 16:18:36,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:37,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:37,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-21 16:18:37,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:18:37,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-21 16:18:37,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-21 16:18:37,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-21 16:18:37,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-21 16:18:37,329 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-10-21 16:18:37,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 16:18:37,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1422428743, now seen corresponding path program 2 times [2022-10-21 16:18:37,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 16:18:37,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466260353] [2022-10-21 16:18:37,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 16:18:37,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 16:18:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 16:18:37,597 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 575 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2022-10-21 16:18:37,598 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 16:18:37,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466260353] [2022-10-21 16:18:37,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466260353] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-21 16:18:37,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-21 16:18:37,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-21 16:18:37,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416216546] [2022-10-21 16:18:37,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-21 16:18:37,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-21 16:18:37,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 16:18:37,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-21 16:18:37,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-21 16:18:37,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:37,600 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 16:18:37,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 260.6666666666667) internal successors, (782), 3 states have internal predecessors, (782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-21 16:18:37,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:37,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-21 16:18:37,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:18:37,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-21 16:18:37,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-21 16:18:37,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-21 16:18:37,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-21 16:18:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:18:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-21 16:18:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-21 16:18:37,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-21 16:18:37,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:18:37,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-21 16:18:37,805 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-10-21 16:18:37,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 16:18:37,806 INFO L85 PathProgramCache]: Analyzing trace with hash -224723824, now seen corresponding path program 3 times [2022-10-21 16:18:37,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 16:18:37,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865314658] [2022-10-21 16:18:37,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 16:18:37,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 16:18:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 16:18:38,194 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-10-21 16:18:38,195 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 16:18:38,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865314658] [2022-10-21 16:18:38,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865314658] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-21 16:18:38,195 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-21 16:18:38,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-10-21 16:18:38,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562415346] [2022-10-21 16:18:38,195 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-21 16:18:38,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-21 16:18:38,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 16:18:38,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-21 16:18:38,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-10-21 16:18:38,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:38,197 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 16:18:38,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 53.18181818181818) internal successors, (585), 12 states have internal predecessors, (585), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-21 16:18:38,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:38,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-21 16:18:38,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:18:38,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-21 16:18:38,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-21 16:18:38,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-21 16:18:38,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:18:38,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:48,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 16:18:48,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-21 16:18:48,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:18:48,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-21 16:18:48,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-21 16:18:48,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-21 16:18:48,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-21 16:18:48,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-21 16:18:48,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-21 16:18:48,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-21 16:18:48,364 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1] [2022-10-21 16:18:48,364 INFO L307 ceAbstractionStarter]: Result for error location t2Err0ASSERT_VIOLATIONASSERT was SAFE (4/4) [2022-10-21 16:18:48,366 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-21 16:18:48,366 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-21 16:18:48,370 INFO L202 PluginConnector]: Adding new model queue.line736.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 04:18:48 BasicIcfg [2022-10-21 16:18:48,370 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-21 16:18:48,371 INFO L158 Benchmark]: Toolchain (without parser) took 19292.91ms. Allocated memory was 186.6MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 163.5MB in the beginning and 4.2GB in the end (delta: -4.0GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-10-21 16:18:48,371 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.47ms. Allocated memory is still 186.6MB. Free memory is still 167.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-21 16:18:48,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.76ms. Allocated memory is still 186.6MB. Free memory was 163.5MB in the beginning and 161.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-21 16:18:48,371 INFO L158 Benchmark]: Boogie Preprocessor took 62.82ms. Allocated memory is still 186.6MB. Free memory was 161.5MB in the beginning and 158.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-21 16:18:48,372 INFO L158 Benchmark]: RCFGBuilder took 824.98ms. Allocated memory is still 186.6MB. Free memory was 158.6MB in the beginning and 156.5MB in the end (delta: 2.0MB). Peak memory consumption was 31.8MB. Max. memory is 8.0GB. [2022-10-21 16:18:48,372 INFO L158 Benchmark]: TraceAbstraction took 18350.42ms. Allocated memory was 186.6MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 156.0MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2022-10-21 16:18:48,372 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 0.47ms. Allocated memory is still 186.6MB. Free memory is still 167.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.76ms. Allocated memory is still 186.6MB. Free memory was 163.5MB in the beginning and 161.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 62.82ms. Allocated memory is still 186.6MB. Free memory was 161.5MB in the beginning and 158.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 824.98ms. Allocated memory is still 186.6MB. Free memory was 158.6MB in the beginning and 156.5MB in the end (delta: 2.0MB). Peak memory consumption was 31.8MB. Max. memory is 8.0GB. * TraceAbstraction took 18350.42ms. Allocated memory was 186.6MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 156.0MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3783, positive: 3635, positive conditional: 3635, positive unconditional: 0, negative: 148, negative conditional: 148, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3783, positive: 3635, positive conditional: 3635, positive unconditional: 0, negative: 148, negative conditional: 148, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3665, positive: 3635, positive conditional: 0, positive unconditional: 3635, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3588, positive: 3558, positive conditional: 0, positive unconditional: 3558, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3665, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3588, unknown conditional: 0, unknown unconditional: 3588] , Statistics on independence cache: Total cache size (in pairs): 3588, Positive cache size: 3558, Positive conditional cache size: 0, Positive unconditional cache size: 3558, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Independence queries for same thread: 118, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, 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: 1, 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: 22724, positive: 22222, positive conditional: 22222, positive unconditional: 0, negative: 502, negative conditional: 502, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1051232, positive: 1012547, positive conditional: 1012547, positive unconditional: 0, negative: 38685, negative conditional: 38685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1015847, positive: 1012547, positive conditional: 0, positive unconditional: 1012547, negative: 3300, negative conditional: 0, negative unconditional: 3300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 24651, positive: 24551, positive conditional: 0, positive unconditional: 24551, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1015847, positive: 987996, positive conditional: 0, positive unconditional: 987996, negative: 3200, negative conditional: 0, negative unconditional: 3200, unknown: 24651, unknown conditional: 0, unknown unconditional: 24651] , Statistics on independence cache: Total cache size (in pairs): 8017, Positive cache size: 7998, Positive conditional cache size: 0, Positive unconditional cache size: 7998, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Independence queries for same thread: 463, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 39991, positive: 39190, positive conditional: 39190, positive unconditional: 0, negative: 801, negative conditional: 801, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1051232, positive: 1012547, positive conditional: 1012547, positive unconditional: 0, negative: 38685, negative conditional: 38685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1015847, positive: 1012547, positive conditional: 0, positive unconditional: 1012547, negative: 3300, negative conditional: 0, negative unconditional: 3300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 24651, positive: 24551, positive conditional: 0, positive unconditional: 24551, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1015847, positive: 987996, positive conditional: 0, positive unconditional: 987996, negative: 3200, negative conditional: 0, negative unconditional: 3200, unknown: 24651, unknown conditional: 0, unknown unconditional: 24651] , Statistics on independence cache: Total cache size (in pairs): 8506, Positive cache size: 8487, Positive conditional cache size: 0, Positive unconditional cache size: 8487, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Independence queries for same thread: 1195, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 49104, positive: 48332, positive conditional: 48332, positive unconditional: 0, negative: 772, negative conditional: 772, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1051232, positive: 1012547, positive conditional: 1012547, positive unconditional: 0, negative: 38685, negative conditional: 38685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1015847, positive: 1012547, positive conditional: 0, positive unconditional: 1012547, negative: 3300, negative conditional: 0, negative unconditional: 3300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 24651, positive: 24551, positive conditional: 0, positive unconditional: 24551, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1015847, positive: 987996, positive conditional: 0, positive unconditional: 987996, negative: 3200, negative conditional: 0, negative unconditional: 3200, unknown: 24651, unknown conditional: 0, unknown unconditional: 24651] , Statistics on independence cache: Total cache size (in pairs): 10660, Positive cache size: 10640, Positive conditional cache size: 0, Positive unconditional cache size: 10640, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Independence queries for same thread: 1896, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 85013, positive: 83292, positive conditional: 83292, positive unconditional: 0, negative: 1721, negative conditional: 1721, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1051232, positive: 1012547, positive conditional: 1012547, positive unconditional: 0, negative: 38685, negative conditional: 38685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1015847, positive: 1012547, positive conditional: 0, positive unconditional: 1012547, negative: 3300, negative conditional: 0, negative unconditional: 3300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 24651, positive: 24551, positive conditional: 0, positive unconditional: 24551, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1015847, positive: 987996, positive conditional: 0, positive unconditional: 987996, negative: 3200, negative conditional: 0, negative unconditional: 3200, unknown: 24651, unknown conditional: 0, unknown unconditional: 24651] , Statistics on independence cache: Total cache size (in pairs): 13505, Positive cache size: 13453, Positive conditional cache size: 0, Positive unconditional cache size: 13453, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Independence queries for same thread: 3408, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 23742, positive: 23123, positive conditional: 23123, positive unconditional: 0, negative: 619, negative conditional: 619, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1051232, positive: 1012547, positive conditional: 1012547, positive unconditional: 0, negative: 38685, negative conditional: 38685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1015847, positive: 1012547, positive conditional: 0, positive unconditional: 1012547, negative: 3300, negative conditional: 0, negative unconditional: 3300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 24651, positive: 24551, positive conditional: 0, positive unconditional: 24551, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1015847, positive: 987996, positive conditional: 0, positive unconditional: 987996, negative: 3200, negative conditional: 0, negative unconditional: 3200, unknown: 24651, unknown conditional: 0, unknown unconditional: 24651] , Statistics on independence cache: Total cache size (in pairs): 14058, Positive cache size: 14000, Positive conditional cache size: 0, Positive unconditional cache size: 14000, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58, Independence queries for same thread: 3972, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 24125, positive: 23479, positive conditional: 23479, positive unconditional: 0, negative: 646, negative conditional: 646, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1051232, positive: 1012547, positive conditional: 1012547, positive unconditional: 0, negative: 38685, negative conditional: 38685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1015847, positive: 1012547, positive conditional: 0, positive unconditional: 1012547, negative: 3300, negative conditional: 0, negative unconditional: 3300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 24651, positive: 24551, positive conditional: 0, positive unconditional: 24551, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1015847, positive: 987996, positive conditional: 0, positive unconditional: 987996, negative: 3200, negative conditional: 0, negative unconditional: 3200, unknown: 24651, unknown conditional: 0, unknown unconditional: 24651] , Statistics on independence cache: Total cache size (in pairs): 14242, Positive cache size: 14184, Positive conditional cache size: 0, Positive unconditional cache size: 14184, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58, Independence queries for same thread: 4563, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 20686, positive: 20130, positive conditional: 20130, positive unconditional: 0, negative: 556, negative conditional: 556, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1051232, positive: 1012547, positive conditional: 1012547, positive unconditional: 0, negative: 38685, negative conditional: 38685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1015847, positive: 1012547, positive conditional: 0, positive unconditional: 1012547, negative: 3300, negative conditional: 0, negative unconditional: 3300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 24651, positive: 24551, positive conditional: 0, positive unconditional: 24551, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1015847, positive: 987996, positive conditional: 0, positive unconditional: 987996, negative: 3200, negative conditional: 0, negative unconditional: 3200, unknown: 24651, unknown conditional: 0, unknown unconditional: 24651] , Statistics on independence cache: Total cache size (in pairs): 14246, Positive cache size: 14188, Positive conditional cache size: 0, Positive unconditional cache size: 14188, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58, Independence queries for same thread: 5066, Statistics for Abstraction: - StatisticsResult: Independence relation #8 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 15987, positive: 15460, positive conditional: 15460, positive unconditional: 0, negative: 527, negative conditional: 527, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1051232, positive: 1012547, positive conditional: 1012547, positive unconditional: 0, negative: 38685, negative conditional: 38685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1015847, positive: 1012547, positive conditional: 0, positive unconditional: 1012547, negative: 3300, negative conditional: 0, negative unconditional: 3300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 24651, positive: 24551, positive conditional: 0, positive unconditional: 24551, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1015847, positive: 987996, positive conditional: 0, positive unconditional: 987996, negative: 3200, negative conditional: 0, negative unconditional: 3200, unknown: 24651, unknown conditional: 0, unknown unconditional: 24651] , Statistics on independence cache: Total cache size (in pairs): 14396, Positive cache size: 14336, Positive conditional cache size: 0, Positive unconditional cache size: 14336, Negative cache size: 60, Negative conditional cache size: 0, Negative unconditional cache size: 60, Independence queries for same thread: 5551, Statistics for Abstraction: - StatisticsResult: Independence relation #9 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 769860, positive: 737319, positive conditional: 737319, positive unconditional: 0, negative: 32541, negative conditional: 32541, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1051232, positive: 1012547, positive conditional: 1012547, positive unconditional: 0, negative: 38685, negative conditional: 38685, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1015847, positive: 1012547, positive conditional: 0, positive unconditional: 1012547, negative: 3300, negative conditional: 0, negative unconditional: 3300, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 24651, positive: 24551, positive conditional: 0, positive unconditional: 24551, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1015847, positive: 987996, positive conditional: 0, positive unconditional: 987996, negative: 3200, negative conditional: 0, negative unconditional: 3200, unknown: 24651, unknown conditional: 0, unknown unconditional: 24651] , Statistics on independence cache: Total cache size (in pairs): 24651, Positive cache size: 24551, Positive conditional cache size: 0, Positive unconditional cache size: 24551, Negative cache size: 100, Negative conditional cache size: 0, Negative unconditional cache size: 100, Independence queries for same thread: 35385, Statistics for Abstraction: - PositiveResult [Line: 736]: 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, 1034 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.5s, 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, 1034 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: t2Err0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 5 procedures, 1034 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: t2Err0ASSERT_VIOLATIONASSERT with 2 thread instances CFG has 5 procedures, 1034 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 17.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 14.7s, 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: 44, 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: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 6677 NumberOfCodeBlocks, 6677 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 6669 ConstructedInterpolants, 0 QuantifiedInterpolants, 13292 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 6132/6183 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! [2022-10-21 16:18:48,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2022-10-21 16:18:48,617 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 [2022-10-21 16:18:48,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-10-21 16:18:49,020 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 [2022-10-21 16:18:49,217 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...