/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chl-nzb-file-trans.wvr.line919.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-29 21:23:54,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-29 21:23:54,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-29 21:23:54,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-29 21:23:54,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-29 21:23:54,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-29 21:23:54,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-29 21:23:55,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-29 21:23:55,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-29 21:23:55,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-29 21:23:55,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-29 21:23:55,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-29 21:23:55,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-29 21:23:55,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-29 21:23:55,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-29 21:23:55,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-29 21:23:55,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-29 21:23:55,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-29 21:23:55,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-29 21:23:55,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-29 21:23:55,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-29 21:23:55,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-29 21:23:55,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-29 21:23:55,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-29 21:23:55,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-29 21:23:55,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-29 21:23:55,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-29 21:23:55,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-29 21:23:55,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-29 21:23:55,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-09-29 21:23:55,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-29 21:23:55,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-29 21:23:55,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-29 21:23:55,023 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-29 21:23:55,048 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-29 21:23:55,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-29 21:23:55,050 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-29 21:23:55,050 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-29 21:23:55,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-29 21:23:55,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-29 21:23:55,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-29 21:23:55,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-29 21:23:55,051 INFO L138 SettingsManager]: * Use SBE=true [2022-09-29 21:23:55,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-29 21:23:55,052 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-29 21:23:55,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-29 21:23:55,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-29 21:23:55,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-29 21:23:55,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-29 21:23:55,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-29 21:23:55,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-29 21:23:55,053 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-29 21:23:55,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-29 21:23:55,053 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-29 21:23:55,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-29 21:23:55,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-29 21:23:55,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-29 21:23:55,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-29 21:23:55,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-29 21:23:55,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 21:23:55,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-29 21:23:55,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-29 21:23:55,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-29 21:23:55,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-29 21:23:55,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-29 21:23:55,054 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-29 21:23:55,054 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-29 21:23:55,054 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-29 21:23:55,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-29 21:23:55,054 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-29 21:23:55,054 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-29 21:23:55,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-29 21:23:55,055 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-29 21:23:55,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-29 21:23:55,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-29 21:23:55,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-29 21:23:55,243 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-29 21:23:55,244 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-29 21:23:55,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chl-nzb-file-trans.wvr.line919.bpl [2022-09-29 21:23:55,245 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chl-nzb-file-trans.wvr.line919.bpl' [2022-09-29 21:23:55,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-29 21:23:55,299 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-29 21:23:55,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-29 21:23:55,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-29 21:23:55,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-29 21:23:55,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line919.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:23:55" (1/1) ... [2022-09-29 21:23:55,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line919.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:23:55" (1/1) ... [2022-09-29 21:23:55,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line919.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:23:55" (1/1) ... [2022-09-29 21:23:55,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line919.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:23:55" (1/1) ... [2022-09-29 21:23:55,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line919.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:23:55" (1/1) ... [2022-09-29 21:23:55,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line919.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:23:55" (1/1) ... [2022-09-29 21:23:55,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "chl-nzb-file-trans.wvr.line919.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:23:55" (1/1) ... [2022-09-29 21:23:55,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-29 21:23:55,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-29 21:23:55,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-29 21:23:55,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-29 21:23:55,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "chl-nzb-file-trans.wvr.line919.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:23:55" (1/1) ... [2022-09-29 21:23:55,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-29 21:23:55,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:23:55,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-29 21:23:55,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-29 21:23:55,477 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-29 21:23:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-29 21:23:55,477 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-29 21:23:55,477 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-29 21:23:55,477 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-29 21:23:55,478 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-29 21:23:55,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-29 21:23:55,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-29 21:23:55,479 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-29 21:23:55,619 INFO L234 CfgBuilder]: Building ICFG [2022-09-29 21:23:55,620 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-29 21:23:56,487 INFO L275 CfgBuilder]: Performing block encoding [2022-09-29 21:23:56,520 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-29 21:23:56,521 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-09-29 21:23:56,524 INFO L202 PluginConnector]: Adding new model chl-nzb-file-trans.wvr.line919.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 09:23:56 BoogieIcfgContainer [2022-09-29 21:23:56,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-29 21:23:56,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-29 21:23:56,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-29 21:23:56,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-29 21:23:56,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "chl-nzb-file-trans.wvr.line919.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.09 09:23:55" (1/2) ... [2022-09-29 21:23:56,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de3b457 and model type chl-nzb-file-trans.wvr.line919.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.09 09:23:56, skipping insertion in model container [2022-09-29 21:23:56,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "chl-nzb-file-trans.wvr.line919.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.09 09:23:56" (2/2) ... [2022-09-29 21:23:56,538 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-trans.wvr.line919.bpl [2022-09-29 21:23:56,544 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-29 21:23:56,551 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-29 21:23:56,551 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-29 21:23:56,551 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-29 21:23:56,765 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-09-29 21:23:56,826 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 21:23:56,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 21:23:56,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:23:56,867 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-29 21:23:56,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-09-29 21:23:56,971 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 21:23:56,977 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Err0ASSERT_VIOLATIONASSERT ======== [2022-09-29 21:23:56,982 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;@5e8e05af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 21:23:56,983 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 21:23:56,985 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-09-29 21:23:56,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-29 21:23:56,991 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-29 21:23:56,999 INFO L307 ceAbstractionStarter]: Result for error location thread3Err0ASSERT_VIOLATIONASSERT was SAFE (1/5) [2022-09-29 21:23:57,009 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 21:23:57,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 21:23:57,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:23:57,014 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-29 21:23:57,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-09-29 21:23:57,019 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 21:23:57,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-29 21:23:57,020 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;@5e8e05af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 21:23:57,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 21:23:57,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-29 21:23:57,106 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-29 21:23:57,107 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/5) [2022-09-29 21:23:57,117 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 21:23:57,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 21:23:57,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:23:57,152 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-29 21:23:57,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-09-29 21:23:57,159 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 21:23:57,159 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-29 21:23:57,160 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;@5e8e05af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 21:23:57,160 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 21:24:23,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-29 21:24:23,943 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-29 21:24:23,943 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/5) [2022-09-29 21:24:23,950 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 21:24:23,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 21:24:23,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:24:23,952 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-29 21:24:23,972 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 21:24:23,972 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-29 21:24:23,973 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;@5e8e05af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 21:24:23,973 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 21:24:23,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-09-29 21:24:24,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-29 21:24:24,639 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-29 21:24:24,639 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (4/5) [2022-09-29 21:24:24,649 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-29 21:24:24,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-29 21:24:24,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:24:24,663 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-09-29 21:24:24,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-09-29 21:24:24,671 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-29 21:24:24,671 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Err0ASSERT_VIOLATIONASSERT ======== [2022-09-29 21:24:24,672 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;@5e8e05af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-29 21:24:24,672 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-29 21:24:24,791 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:24:24,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:24:24,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1127533268, now seen corresponding path program 1 times [2022-09-29 21:24:24,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:24:24,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493632273] [2022-09-29 21:24:24,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:24:24,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:24:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:24:25,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 21:24:25,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:24:25,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493632273] [2022-09-29 21:24:25,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493632273] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:24:25,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 21:24:25,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-29 21:24:25,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311370488] [2022-09-29 21:24:25,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:24:25,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-29 21:24:25,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:24:25,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-29 21:24:25,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-29 21:24:25,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:24:25,312 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:24:25,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 194.0) internal successors, (388), 2 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 21:24:25,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:25:29,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:25:29,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-29 21:25:29,972 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:25:29,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:25:29,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1221073079, now seen corresponding path program 1 times [2022-09-29 21:25:29,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:25:29,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359874873] [2022-09-29 21:25:29,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:25:29,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:25:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:25:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-29 21:25:30,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:25:30,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359874873] [2022-09-29 21:25:30,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359874873] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:25:30,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 21:25:30,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-29 21:25:30,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398184405] [2022-09-29 21:25:30,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:25:30,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-29 21:25:30,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:25:30,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-29 21:25:30,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-09-29 21:25:30,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:25:30,229 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:25:30,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 76.0) internal successors, (380), 5 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 21:25:30,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:25:30,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:26:04,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:26:04,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-29 21:26:04,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-29 21:26:04,923 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:26:04,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:26:04,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1554619445, now seen corresponding path program 1 times [2022-09-29 21:26:04,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:26:04,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531355357] [2022-09-29 21:26:04,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:26:04,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:26:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:26:05,111 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-09-29 21:26:05,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:26:05,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531355357] [2022-09-29 21:26:05,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531355357] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 21:26:05,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453088285] [2022-09-29 21:26:05,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:26:05,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:26:05,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:26:05,123 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 21:26:05,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-09-29 21:26:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:26:05,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 6 conjunts are in the unsatisfiable core [2022-09-29 21:26:05,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:26:05,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-09-29 21:26:05,448 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 21:26:05,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-09-29 21:26:05,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453088285] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 21:26:05,541 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 21:26:05,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-09-29 21:26:05,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695746922] [2022-09-29 21:26:05,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 21:26:05,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-29 21:26:05,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:26:05,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-29 21:26:05,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-09-29 21:26:05,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:26:05,544 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:26:05,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 32.0) internal successors, (480), 15 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 21:26:05,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:26:05,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-09-29 21:26:05,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:26:48,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:26:48,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-29 21:26:48,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-29 21:26:48,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-09-29 21:26:48,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:26:48,569 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:26:48,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:26:48,570 INFO L85 PathProgramCache]: Analyzing trace with hash -540718603, now seen corresponding path program 2 times [2022-09-29 21:26:48,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:26:48,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905000561] [2022-09-29 21:26:48,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:26:48,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:26:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:26:48,758 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-09-29 21:26:48,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:26:48,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905000561] [2022-09-29 21:26:48,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905000561] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 21:26:48,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650678234] [2022-09-29 21:26:48,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-09-29 21:26:48,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:26:48,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:26:48,761 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 21:26:48,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-09-29 21:26:48,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-09-29 21:26:48,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-09-29 21:26:48,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 35 conjunts are in the unsatisfiable core [2022-09-29 21:26:48,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:26:49,432 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-09-29 21:26:49,432 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-09-29 21:26:49,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650678234] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:26:49,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-09-29 21:26:49,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11] total 21 [2022-09-29 21:26:49,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237790901] [2022-09-29 21:26:49,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:26:49,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-09-29 21:26:49,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:26:49,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-09-29 21:26:49,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2022-09-29 21:26:49,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:26:49,438 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:26:49,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 38.09090909090909) internal successors, (419), 12 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 21:26:49,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:26:49,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-09-29 21:26:49,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-29 21:26:49,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:27:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:27:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-29 21:27:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-29 21:27:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-29 21:27:51,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-09-29 21:27:51,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:27:51,424 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:27:51,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:27:51,425 INFO L85 PathProgramCache]: Analyzing trace with hash 983156953, now seen corresponding path program 1 times [2022-09-29 21:27:51,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:27:51,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844072101] [2022-09-29 21:27:51,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:27:51,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:27:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:27:51,613 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-09-29 21:27:51,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:27:51,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844072101] [2022-09-29 21:27:51,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844072101] provided 0 perfect and 1 imperfect interpolant sequences [2022-09-29 21:27:51,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051407180] [2022-09-29 21:27:51,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:27:51,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:27:51,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-29 21:27:51,632 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-29 21:27:51,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-09-29 21:27:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:27:52,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 1175 conjuncts, 10 conjunts are in the unsatisfiable core [2022-09-29 21:27:52,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-09-29 21:27:52,504 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-09-29 21:27:52,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-09-29 21:27:52,634 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-09-29 21:27:52,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051407180] provided 0 perfect and 2 imperfect interpolant sequences [2022-09-29 21:27:52,634 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-09-29 21:27:52,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2022-09-29 21:27:52,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453866312] [2022-09-29 21:27:52,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-09-29 21:27:52,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-29 21:27:52,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:27:52,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-29 21:27:52,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2022-09-29 21:27:52,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:27:52,638 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:27:52,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 26.5) internal successors, (583), 22 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 21:27:52,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:27:52,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-09-29 21:27:52,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-29 21:27:52,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-29 21:27:52,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:28:57,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:28:57,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-29 21:28:57,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-29 21:28:57,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-29 21:28:57,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-29 21:28:57,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-09-29 21:28:57,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-29 21:28:57,743 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] === [2022-09-29 21:28:57,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-29 21:28:57,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1037563545, now seen corresponding path program 2 times [2022-09-29 21:28:57,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-29 21:28:57,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841491174] [2022-09-29 21:28:57,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-29 21:28:57,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-29 21:28:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-29 21:28:58,216 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-09-29 21:28:58,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-29 21:28:58,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841491174] [2022-09-29 21:28:58,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841491174] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-29 21:28:58,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-29 21:28:58,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-09-29 21:28:58,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338818487] [2022-09-29 21:28:58,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-29 21:28:58,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-09-29 21:28:58,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-29 21:28:58,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-09-29 21:28:58,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-09-29 21:28:58,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:28:58,219 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-29 21:28:58,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 76.0) internal successors, (532), 7 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-29 21:28:58,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-29 21:28:58,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-09-29 21:28:58,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-09-29 21:28:58,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-09-29 21:28:58,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-09-29 21:28:58,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.