/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk01/thin002_power.opt.line603.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-19 14:55:53,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-19 14:55:53,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-19 14:55:53,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-19 14:55:53,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-19 14:55:53,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-19 14:55:53,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-19 14:55:53,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-19 14:55:53,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-19 14:55:53,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-19 14:55:53,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-19 14:55:53,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-19 14:55:53,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-19 14:55:53,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-19 14:55:53,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-19 14:55:53,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-19 14:55:53,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-19 14:55:53,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-19 14:55:53,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-19 14:55:53,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-19 14:55:53,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-19 14:55:53,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-19 14:55:53,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-19 14:55:53,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-19 14:55:53,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-19 14:55:53,595 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2022-10-19 14:55:53,626 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-19 14:55:53,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-19 14:55:53,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-19 14:55:53,627 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-19 14:55:53,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-19 14:55:53,629 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-19 14:55:53,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-19 14:55:53,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-19 14:55:53,631 INFO L138 SettingsManager]: * Use SBE=true [2022-10-19 14:55:53,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-19 14:55:53,631 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-19 14:55:53,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-19 14:55:53,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-19 14:55:53,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-19 14:55:53,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-19 14:55:53,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-19 14:55:53,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-19 14:55:53,632 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-19 14:55:53,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-19 14:55:53,632 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-19 14:55:53,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-19 14:55:53,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-19 14:55:53,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-19 14:55:53,633 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-19 14:55:53,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-19 14:55:53,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-19 14:55:53,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-19 14:55:53,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-19 14:55:53,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-19 14:55:53,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-19 14:55:53,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-19 14:55:53,634 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-19 14:55:53,634 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-19 14:55:53,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-19 14:55:53,634 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-19 14:55:53,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-19 14:55:53,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-19 14:55:53,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-19 14:55:53,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-19 14:55:53,971 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-19 14:55:53,972 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-19 14:55:53,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk01/thin002_power.opt.line603.bpl [2022-10-19 14:55:53,973 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk01/thin002_power.opt.line603.bpl' [2022-10-19 14:55:54,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-19 14:55:54,036 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-19 14:55:54,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-19 14:55:54,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-19 14:55:54,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-19 14:55:54,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "thin002_power.opt.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:55:54" (1/1) ... [2022-10-19 14:55:54,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "thin002_power.opt.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:55:54" (1/1) ... [2022-10-19 14:55:54,094 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-19 14:55:54,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-19 14:55:54,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-19 14:55:54,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-19 14:55:54,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-19 14:55:54,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "thin002_power.opt.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:55:54" (1/1) ... [2022-10-19 14:55:54,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "thin002_power.opt.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:55:54" (1/1) ... [2022-10-19 14:55:54,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "thin002_power.opt.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:55:54" (1/1) ... [2022-10-19 14:55:54,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "thin002_power.opt.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:55:54" (1/1) ... [2022-10-19 14:55:54,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "thin002_power.opt.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:55:54" (1/1) ... [2022-10-19 14:55:54,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "thin002_power.opt.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:55:54" (1/1) ... [2022-10-19 14:55:54,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "thin002_power.opt.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:55:54" (1/1) ... [2022-10-19 14:55:54,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-19 14:55:54,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-19 14:55:54,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-19 14:55:54,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-19 14:55:54,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "thin002_power.opt.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:55:54" (1/1) ... [2022-10-19 14:55:54,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-19 14:55:54,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 14:55:54,182 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) [2022-10-19 14:55:54,195 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 [2022-10-19 14:55:54,216 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-10-19 14:55:54,216 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-10-19 14:55:54,216 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-10-19 14:55:54,216 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-10-19 14:55:54,217 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-10-19 14:55:54,217 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-10-19 14:55:54,217 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-10-19 14:55:54,217 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-10-19 14:55:54,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-19 14:55:54,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-19 14:55:54,219 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-19 14:55:54,397 INFO L234 CfgBuilder]: Building ICFG [2022-10-19 14:55:54,398 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-19 14:55:55,066 INFO L275 CfgBuilder]: Performing block encoding [2022-10-19 14:55:55,088 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-19 14:55:55,089 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-19 14:55:55,091 INFO L202 PluginConnector]: Adding new model thin002_power.opt.line603.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:55:55 BoogieIcfgContainer [2022-10-19 14:55:55,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-19 14:55:55,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-19 14:55:55,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-19 14:55:55,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-19 14:55:55,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "thin002_power.opt.line603.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.10 02:55:54" (1/2) ... [2022-10-19 14:55:55,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3508c8a2 and model type thin002_power.opt.line603.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 02:55:55, skipping insertion in model container [2022-10-19 14:55:55,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "thin002_power.opt.line603.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 02:55:55" (2/2) ... [2022-10-19 14:55:55,097 INFO L112 eAbstractionObserver]: Analyzing ICFG thin002_power.opt.line603.bpl [2022-10-19 14:55:55,102 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-19 14:55:55,111 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-19 14:55:55,111 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-19 14:55:55,111 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-19 14:55:55,265 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-19 14:55:55,327 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:55:55,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-19 14:55:55,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 14:55:55,329 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) [2022-10-19 14:55:55,353 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 [2022-10-19 14:55:55,369 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-19 14:55:55,383 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P3Err0ASSERT_VIOLATIONASSERT ======== [2022-10-19 14:55:55,391 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;@68aaf618, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:55:55,391 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-19 14:55:55,394 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-19 14:55:55,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-19 14:55:55,401 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-19 14:55:55,403 INFO L307 ceAbstractionStarter]: Result for error location P3Err0ASSERT_VIOLATIONASSERT was SAFE (1/6) [2022-10-19 14:55:55,416 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:55:55,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-19 14:55:55,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 14:55:55,419 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) [2022-10-19 14:55:55,419 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 [2022-10-19 14:55:55,423 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-19 14:55:55,423 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-19 14:55:55,424 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;@68aaf618, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:55:55,424 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-19 14:55:55,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-19 14:55:55,476 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-19 14:55:55,476 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/6) [2022-10-19 14:55:55,484 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:55:55,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-19 14:55:55,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 14:55:55,486 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) [2022-10-19 14:55:55,487 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 [2022-10-19 14:55:55,491 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-19 14:55:55,491 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-19 14:55:55,492 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;@68aaf618, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:55:55,492 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-19 14:55:56,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-19 14:55:56,143 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-19 14:55:56,143 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/6) [2022-10-19 14:55:56,152 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:55:56,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-19 14:55:56,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 14:55:56,154 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) [2022-10-19 14:55:56,155 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 [2022-10-19 14:55:56,158 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-19 14:55:56,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-19 14:55:56,159 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;@68aaf618, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:55:56,159 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-19 14:56:49,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-19 14:56:49,686 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-19 14:56:49,687 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (4/6) [2022-10-19 14:56:49,704 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:56:49,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-19 14:56:49,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 14:56:49,723 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) [2022-10-19 14:56:49,728 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 [2022-10-19 14:56:49,733 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-19 14:56:49,733 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-19 14:56:49,734 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;@68aaf618, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:56:49,734 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-19 14:56:49,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-19 14:56:49,779 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-19 14:56:49,780 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (5/6) [2022-10-19 14:56:49,793 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:56:49,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-19 14:56:49,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-19 14:56:49,804 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-19 14:56:49,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2022-10-19 14:56:49,808 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-19 14:56:49,808 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P3Err0ASSERT_VIOLATIONASSERT ======== [2022-10-19 14:56:49,809 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;@68aaf618, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-19 14:56:49,809 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-19 14:56:49,818 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 14:56:49,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 14:56:49,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1807819654, now seen corresponding path program 1 times [2022-10-19 14:56:49,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 14:56:49,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655601893] [2022-10-19 14:56:49,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 14:56:49,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 14:56:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 14:56:50,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 14:56:50,526 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 14:56:50,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655601893] [2022-10-19 14:56:50,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655601893] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 14:56:50,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 14:56:50,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-19 14:56:50,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782301891] [2022-10-19 14:56:50,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 14:56:50,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-19 14:56:50,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 14:56:50,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-19 14:56:50,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-19 14:56:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:50,598 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 14:56:50,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 163.5) internal successors, (327), 2 states have internal predecessors, (327), 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) [2022-10-19 14:56:50,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:50,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:50,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-19 14:56:50,675 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 14:56:50,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 14:56:50,676 INFO L85 PathProgramCache]: Analyzing trace with hash 541902778, now seen corresponding path program 1 times [2022-10-19 14:56:50,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 14:56:50,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620552579] [2022-10-19 14:56:50,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 14:56:50,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 14:56:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 14:56:51,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 14:56:51,083 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 14:56:51,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620552579] [2022-10-19 14:56:51,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620552579] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 14:56:51,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 14:56:51,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-19 14:56:51,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060650609] [2022-10-19 14:56:51,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 14:56:51,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-19 14:56:51,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 14:56:51,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-19 14:56:51,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2022-10-19 14:56:51,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:51,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 14:56:51,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 39.42857142857143) internal successors, (276), 7 states have internal predecessors, (276), 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) [2022-10-19 14:56:51,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:51,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:51,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:51,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:51,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-19 14:56:51,216 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 14:56:51,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 14:56:51,216 INFO L85 PathProgramCache]: Analyzing trace with hash 2093072612, now seen corresponding path program 1 times [2022-10-19 14:56:51,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 14:56:51,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127134387] [2022-10-19 14:56:51,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 14:56:51,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 14:56:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 14:56:51,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 14:56:51,548 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 14:56:51,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127134387] [2022-10-19 14:56:51,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127134387] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 14:56:51,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 14:56:51,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-19 14:56:51,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583987812] [2022-10-19 14:56:51,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 14:56:51,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-19 14:56:51,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 14:56:51,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-19 14:56:51,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-19 14:56:51,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:51,553 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 14:56:51,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 51.166666666666664) internal successors, (307), 6 states have internal predecessors, (307), 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) [2022-10-19 14:56:51,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:51,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:51,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:51,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:51,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:51,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:51,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-19 14:56:51,650 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 14:56:51,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 14:56:51,650 INFO L85 PathProgramCache]: Analyzing trace with hash 774046695, now seen corresponding path program 1 times [2022-10-19 14:56:51,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 14:56:51,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690631148] [2022-10-19 14:56:51,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 14:56:51,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 14:56:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 14:56:51,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 14:56:51,772 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 14:56:51,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690631148] [2022-10-19 14:56:51,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690631148] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 14:56:51,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 14:56:51,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-19 14:56:51,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726033428] [2022-10-19 14:56:51,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 14:56:51,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-19 14:56:51,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 14:56:51,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-19 14:56:51,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-19 14:56:51,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:51,773 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 14:56:51,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.25) internal successors, (325), 4 states have internal predecessors, (325), 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) [2022-10-19 14:56:51,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:51,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:51,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:51,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:51,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:51,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:51,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:51,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 14:56:51,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-19 14:56:51,842 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 14:56:51,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 14:56:51,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1746812251, now seen corresponding path program 1 times [2022-10-19 14:56:51,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 14:56:51,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453699863] [2022-10-19 14:56:51,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 14:56:51,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 14:56:51,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 14:56:51,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 14:56:51,971 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 14:56:51,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453699863] [2022-10-19 14:56:51,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453699863] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 14:56:51,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 14:56:51,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-19 14:56:51,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641959444] [2022-10-19 14:56:51,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 14:56:51,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-19 14:56:51,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 14:56:51,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-19 14:56:51,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-19 14:56:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:51,973 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 14:56:51,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.666666666666664) internal successors, (358), 6 states have internal predecessors, (358), 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) [2022-10-19 14:56:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-19 14:56:51,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:52,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:52,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:52,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:52,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 14:56:52,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-19 14:56:52,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-19 14:56:52,046 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 14:56:52,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 14:56:52,046 INFO L85 PathProgramCache]: Analyzing trace with hash -2091745000, now seen corresponding path program 1 times [2022-10-19 14:56:52,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 14:56:52,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271506203] [2022-10-19 14:56:52,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 14:56:52,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 14:56:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 14:56:52,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 14:56:52,229 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 14:56:52,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271506203] [2022-10-19 14:56:52,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271506203] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 14:56:52,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 14:56:52,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-19 14:56:52,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709879319] [2022-10-19 14:56:52,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 14:56:52,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-19 14:56:52,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 14:56:52,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-19 14:56:52,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-19 14:56:52,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:52,230 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 14:56:52,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.333333333333336) internal successors, (362), 6 states have internal predecessors, (362), 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) [2022-10-19 14:56:52,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:52,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:52,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:52,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-19 14:56:52,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-19 14:56:52,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:52,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:52,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:52,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:52,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 14:56:52,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-19 14:56:52,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-19 14:56:52,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-19 14:56:52,382 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 14:56:52,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 14:56:52,382 INFO L85 PathProgramCache]: Analyzing trace with hash -112553056, now seen corresponding path program 1 times [2022-10-19 14:56:52,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 14:56:52,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820332595] [2022-10-19 14:56:52,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 14:56:52,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 14:56:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 14:56:52,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 14:56:52,909 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 14:56:52,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820332595] [2022-10-19 14:56:52,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820332595] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 14:56:52,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 14:56:52,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-19 14:56:52,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850163529] [2022-10-19 14:56:52,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 14:56:52,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-19 14:56:52,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 14:56:52,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-19 14:56:52,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-19 14:56:52,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:52,911 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 14:56:52,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 51.285714285714285) internal successors, (359), 7 states have internal predecessors, (359), 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) [2022-10-19 14:56:52,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:52,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:52,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:52,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-19 14:56:52,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-19 14:56:52,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-19 14:56:52,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:53,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:53,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:53,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:53,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 14:56:53,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-19 14:56:53,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-19 14:56:53,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-19 14:56:53,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-19 14:56:53,034 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 14:56:53,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 14:56:53,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1261879594, now seen corresponding path program 1 times [2022-10-19 14:56:53,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 14:56:53,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769726655] [2022-10-19 14:56:53,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 14:56:53,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 14:56:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 14:56:53,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 14:56:53,188 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 14:56:53,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769726655] [2022-10-19 14:56:53,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769726655] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 14:56:53,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 14:56:53,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-19 14:56:53,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303786702] [2022-10-19 14:56:53,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 14:56:53,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-19 14:56:53,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 14:56:53,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-19 14:56:53,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-19 14:56:53,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:53,190 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 14:56:53,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 89.75) internal successors, (359), 4 states have internal predecessors, (359), 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) [2022-10-19 14:56:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:53,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-19 14:56:53,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-19 14:56:53,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-19 14:56:53,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-19 14:56:53,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:53,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:53,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:53,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:53,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 14:56:53,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-19 14:56:53,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-19 14:56:53,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-19 14:56:53,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 14:56:53,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-19 14:56:53,234 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 14:56:53,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 14:56:53,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1089038169, now seen corresponding path program 1 times [2022-10-19 14:56:53,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 14:56:53,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59289016] [2022-10-19 14:56:53,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 14:56:53,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 14:56:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 14:56:53,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 14:56:53,373 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 14:56:53,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59289016] [2022-10-19 14:56:53,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59289016] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 14:56:53,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 14:56:53,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-19 14:56:53,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087151650] [2022-10-19 14:56:53,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 14:56:53,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-19 14:56:53,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 14:56:53,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-19 14:56:53,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-19 14:56:53,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:53,384 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 14:56:53,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.4) internal successors, (367), 5 states have internal predecessors, (367), 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) [2022-10-19 14:56:53,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:53,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:53,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:53,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-19 14:56:53,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-19 14:56:53,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-19 14:56:53,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-19 14:56:53,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-19 14:56:53,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:57,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:57,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:57,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:57,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 14:56:57,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-19 14:56:57,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-19 14:56:57,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-19 14:56:57,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-19 14:56:57,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:57,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-19 14:56:57,696 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting P3Err0ASSERT_VIOLATIONASSERT === [P3Err0ASSERT_VIOLATIONASSERT] === [2022-10-19 14:56:57,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-19 14:56:57,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1568815631, now seen corresponding path program 1 times [2022-10-19 14:56:57,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-19 14:56:57,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572814653] [2022-10-19 14:56:57,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-19 14:56:57,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-19 14:56:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-19 14:56:57,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-19 14:56:57,948 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-19 14:56:57,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572814653] [2022-10-19 14:56:57,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572814653] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-19 14:56:57,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-19 14:56:57,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-19 14:56:57,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532969498] [2022-10-19 14:56:57,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-19 14:56:57,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-19 14:56:57,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-19 14:56:57,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-19 14:56:57,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-19 14:56:57,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:57,952 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-19 14:56:57,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 37.75) internal successors, (302), 9 states have internal predecessors, (302), 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) [2022-10-19 14:56:57,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-19 14:56:57,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:57,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:57,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-19 14:56:57,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-19 14:56:57,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-19 14:56:57,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-19 14:56:57,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-19 14:56:57,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-19 14:56:57,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.