/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy BADGER --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf --traceabstraction.coinflip.probability.value 85 --traceabstraction.coinflip.random.seed 0 --traceabstraction.coinflip.budget.determination.mode PURE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/min-max-sample.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-06 03:51:10,341 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-10-06 03:51:10,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-06 03:51:10,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-06 03:51:10,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-06 03:51:10,395 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-06 03:51:10,432 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-06 03:51:10,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-06 03:51:10,432 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-06 03:51:10,432 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-06 03:51:10,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-06 03:51:10,433 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-06 03:51:10,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-06 03:51:10,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-06 03:51:10,435 INFO L138 SettingsManager]: * Use SBE=true [2022-10-06 03:51:10,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-06 03:51:10,436 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-06 03:51:10,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-06 03:51:10,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-06 03:51:10,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-06 03:51:10,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-06 03:51:10,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-06 03:51:10,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-06 03:51:10,437 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-06 03:51:10,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-06 03:51:10,437 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-06 03:51:10,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-06 03:51:10,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-06 03:51:10,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-06 03:51:10,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-06 03:51:10,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-06 03:51:10,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 03:51:10,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-06 03:51:10,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-06 03:51:10,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-06 03:51:10,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-06 03:51:10,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-06 03:51:10,438 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-06 03:51:10,438 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-06 03:51:10,438 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-06 03:51:10,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-06 03:51:10,439 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-06 03:51:10,439 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-06 03:51:10,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-06 03:51:10,439 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-06 03:51:10,439 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip probability value -> 85 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip random seed -> 0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip budget determination mode -> PURE [2022-10-06 03:51:10,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-06 03:51:10,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-06 03:51:10,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-06 03:51:10,753 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-06 03:51:10,761 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-06 03:51:10,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-sample.bpl [2022-10-06 03:51:10,763 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-sample.bpl' [2022-10-06 03:51:10,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-06 03:51:10,799 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-06 03:51:10,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-06 03:51:10,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-06 03:51:10,800 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-06 03:51:10,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:51:10" (1/1) ... [2022-10-06 03:51:10,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:51:10" (1/1) ... [2022-10-06 03:51:10,824 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-06 03:51:10,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-06 03:51:10,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-06 03:51:10,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-06 03:51:10,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-06 03:51:10,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:51:10" (1/1) ... [2022-10-06 03:51:10,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:51:10" (1/1) ... [2022-10-06 03:51:10,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:51:10" (1/1) ... [2022-10-06 03:51:10,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:51:10" (1/1) ... [2022-10-06 03:51:10,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:51:10" (1/1) ... [2022-10-06 03:51:10,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:51:10" (1/1) ... [2022-10-06 03:51:10,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:51:10" (1/1) ... [2022-10-06 03:51:10,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-06 03:51:10,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-06 03:51:10,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-06 03:51:10,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-06 03:51:10,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:51:10" (1/1) ... [2022-10-06 03:51:10,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 03:51:10,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 03:51:10,871 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) [2022-10-06 03:51:10,887 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 [2022-10-06 03:51:10,909 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMax given in one single declaration [2022-10-06 03:51:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure computeMax [2022-10-06 03:51:10,909 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMax [2022-10-06 03:51:10,910 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-06 03:51:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-06 03:51:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-06 03:51:10,911 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sample given in one single declaration [2022-10-06 03:51:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure sample [2022-10-06 03:51:10,911 INFO L138 BoogieDeclarations]: Found implementation of procedure sample [2022-10-06 03:51:10,912 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMin given in one single declaration [2022-10-06 03:51:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure computeMin [2022-10-06 03:51:10,912 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMin [2022-10-06 03:51:10,914 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-06 03:51:10,958 INFO L234 CfgBuilder]: Building ICFG [2022-10-06 03:51:10,959 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-06 03:51:11,052 INFO L275 CfgBuilder]: Performing block encoding [2022-10-06 03:51:11,062 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-06 03:51:11,062 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-06 03:51:11,064 INFO L202 PluginConnector]: Adding new model min-max-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 03:51:11 BoogieIcfgContainer [2022-10-06 03:51:11,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-06 03:51:11,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-06 03:51:11,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-06 03:51:11,068 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-06 03:51:11,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-sample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 03:51:10" (1/2) ... [2022-10-06 03:51:11,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce6ea54 and model type min-max-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 03:51:11, skipping insertion in model container [2022-10-06 03:51:11,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 03:51:11" (2/2) ... [2022-10-06 03:51:11,070 INFO L112 eAbstractionObserver]: Analyzing ICFG min-max-sample.bpl [2022-10-06 03:51:11,075 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-06 03:51:11,091 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-06 03:51:11,092 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-06 03:51:11,092 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-06 03:51:11,133 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-10-06 03:51:11,188 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 03:51:11,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 03:51:11,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 03:51:11,198 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) [2022-10-06 03:51:11,199 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 [2022-10-06 03:51:11,224 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 03:51:11,236 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 03:51:11,237 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 03:51:11,237 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 03:51:11,260 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-06 03:51:11,268 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;@2f434982, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 03:51:11,268 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 03:51:11,428 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:51:11,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:51:11,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1778939104, now seen corresponding path program 1 times [2022-10-06 03:51:11,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:51:11,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955875327] [2022-10-06 03:51:11,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:51:11,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:51:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:51:11,658 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-06 03:51:11,659 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:51:11,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955875327] [2022-10-06 03:51:11,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955875327] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:51:11,660 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:51:11,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-10-06 03:51:11,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276447320] [2022-10-06 03:51:11,661 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:51:11,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-06 03:51:11,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:51:11,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-06 03:51:11,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-06 03:51:11,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:51:11,689 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:51:11,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2022-10-06 03:51:11,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:51:11,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-06 03:51:11,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-06 03:51:11,848 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:51:11,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:51:11,849 INFO L85 PathProgramCache]: Analyzing trace with hash -371732528, now seen corresponding path program 2 times [2022-10-06 03:51:11,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:51:11,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96925300] [2022-10-06 03:51:11,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:51:11,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:51:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:51:12,119 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-06 03:51:12,120 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:51:12,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96925300] [2022-10-06 03:51:12,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96925300] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:51:12,120 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:51:12,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-10-06 03:51:12,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064202759] [2022-10-06 03:51:12,120 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:51:12,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-06 03:51:12,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:51:12,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-06 03:51:12,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-06 03:51:12,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:51:12,125 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:51:12,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 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) [2022-10-06 03:51:12,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-06 03:51:12,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:51:12,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 03:51:12,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:51:12,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-06 03:51:12,846 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:51:12,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:51:12,847 INFO L85 PathProgramCache]: Analyzing trace with hash 408978362, now seen corresponding path program 3 times [2022-10-06 03:51:12,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:51:12,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629710901] [2022-10-06 03:51:12,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:51:12,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:51:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:51:12,910 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-06 03:51:12,910 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:51:12,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629710901] [2022-10-06 03:51:12,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629710901] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:51:12,910 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:51:12,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-10-06 03:51:12,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922428593] [2022-10-06 03:51:12,911 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:51:12,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-06 03:51:12,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:51:12,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-06 03:51:12,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-06 03:51:12,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:51:12,912 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:51:12,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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) [2022-10-06 03:51:12,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 03:51:12,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:51:12,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:51:13,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 03:51:13,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:51:13,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:51:13,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-06 03:51:13,366 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:51:13,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:51:13,367 INFO L85 PathProgramCache]: Analyzing trace with hash 541258542, now seen corresponding path program 4 times [2022-10-06 03:51:13,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:51:13,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763264480] [2022-10-06 03:51:13,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:51:13,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:51:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:51:14,716 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-06 03:51:14,716 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:51:14,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763264480] [2022-10-06 03:51:14,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763264480] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:51:14,724 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:51:14,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-10-06 03:51:14,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094252373] [2022-10-06 03:51:14,724 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:51:14,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-06 03:51:14,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:51:14,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-06 03:51:14,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-06 03:51:14,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:51:14,726 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:51:14,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 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) [2022-10-06 03:51:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 03:51:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:51:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:51:14,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:51:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:51:15,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 03:51:15,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:51:15,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:51:15,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-06 03:51:15,706 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:51:15,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:51:15,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1069006158, now seen corresponding path program 5 times [2022-10-06 03:51:15,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:51:15,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159484073] [2022-10-06 03:51:15,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:51:15,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:51:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:51:15,764 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-06 03:51:15,764 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:51:15,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159484073] [2022-10-06 03:51:15,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159484073] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:51:15,764 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:51:15,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-10-06 03:51:15,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489619350] [2022-10-06 03:51:15,765 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:51:15,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-06 03:51:15,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:51:15,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-06 03:51:15,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-10-06 03:51:15,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:51:15,766 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:51:15,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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) [2022-10-06 03:51:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:51:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 03:51:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:51:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:51:15,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:51:16,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 03:51:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 03:51:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:51:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 03:51:16,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 03:51:16,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-06 03:51:16,775 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:51:16,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:51:16,775 INFO L85 PathProgramCache]: Analyzing trace with hash 821426315, now seen corresponding path program 1 times [2022-10-06 03:51:16,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:51:16,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743556158] [2022-10-06 03:51:16,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:51:16,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:51:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-10-06 04:00:59,959 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-06 04:00:59,968 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-06 04:00:59,968 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-06 04:00:59,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-06 04:00:59,969 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 38 with TraceHistMax 5,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-2-17-2-16-2-15-2-14-2-13-2-12-2-11-2-11-2-10-2-10-2-9-2-8-2-7-2-7-2-6-2-6-2-5-2-4-2-3-2-3-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-5-2-4-2-3-2-3-2-2-2-2-2-2-2-1 context. [2022-10-06 04:00:59,974 INFO L444 BasicCegarLoop]: Path program histogram: [5, 1] [2022-10-06 04:00:59,975 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/4) [2022-10-06 04:00:59,976 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-06 04:00:59,976 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-06 04:00:59,978 INFO L202 PluginConnector]: Adding new model min-max-sample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 04:00:59 BasicIcfg [2022-10-06 04:00:59,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-06 04:00:59,979 INFO L158 Benchmark]: Toolchain (without parser) took 589179.79ms. Allocated memory was 184.5MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 162.7MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-10-06 04:00:59,979 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 184.5MB. Free memory is still 163.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-06 04:00:59,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.70ms. Allocated memory is still 184.5MB. Free memory was 162.5MB in the beginning and 161.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-06 04:00:59,980 INFO L158 Benchmark]: Boogie Preprocessor took 17.03ms. Allocated memory is still 184.5MB. Free memory was 161.0MB in the beginning and 160.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-10-06 04:00:59,980 INFO L158 Benchmark]: RCFGBuilder took 218.66ms. Allocated memory is still 184.5MB. Free memory was 160.0MB in the beginning and 150.7MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-10-06 04:00:59,980 INFO L158 Benchmark]: TraceAbstraction took 588913.09ms. Allocated memory was 184.5MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 149.9MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-10-06 04:00:59,981 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.14ms. Allocated memory is still 184.5MB. Free memory is still 163.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.70ms. Allocated memory is still 184.5MB. Free memory was 162.5MB in the beginning and 161.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.03ms. Allocated memory is still 184.5MB. Free memory was 161.0MB in the beginning and 160.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 218.66ms. Allocated memory is still 184.5MB. Free memory was 160.0MB in the beginning and 150.7MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 588913.09ms. Allocated memory was 184.5MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 149.9MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 20, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 91479, positive: 81748, positive conditional: 81748, positive unconditional: 0, negative: 9731, negative conditional: 9731, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81748, positive: 81748, positive conditional: 0, positive unconditional: 81748, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 108, positive: 108, positive conditional: 0, positive unconditional: 108, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81748, positive: 81640, positive conditional: 0, positive unconditional: 81640, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 108, unknown conditional: 0, unknown unconditional: 108] , Statistics on independence cache: Total cache size (in pairs): 11, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 7, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 24, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 91479, positive: 81748, positive conditional: 81748, positive unconditional: 0, negative: 9731, negative conditional: 9731, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81748, positive: 81748, positive conditional: 0, positive unconditional: 81748, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 108, positive: 108, positive conditional: 0, positive unconditional: 108, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81748, positive: 81640, positive conditional: 0, positive unconditional: 81640, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 108, unknown conditional: 0, unknown unconditional: 108] , Statistics on independence cache: Total cache size (in pairs): 25, Positive cache size: 25, Positive conditional cache size: 0, Positive unconditional cache size: 25, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 12, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 11218, positive: 10055, positive conditional: 10055, positive unconditional: 0, negative: 1163, negative conditional: 1163, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 91479, positive: 81748, positive conditional: 81748, positive unconditional: 0, negative: 9731, negative conditional: 9731, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81748, positive: 81748, positive conditional: 0, positive unconditional: 81748, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 108, positive: 108, positive conditional: 0, positive unconditional: 108, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81748, positive: 81640, positive conditional: 0, positive unconditional: 81640, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 108, unknown conditional: 0, unknown unconditional: 108] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 84, Positive conditional cache size: 0, Positive unconditional cache size: 84, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 1175, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 12743, positive: 11387, positive conditional: 11387, positive unconditional: 0, negative: 1356, negative conditional: 1356, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 91479, positive: 81748, positive conditional: 81748, positive unconditional: 0, negative: 9731, negative conditional: 9731, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81748, positive: 81748, positive conditional: 0, positive unconditional: 81748, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 108, positive: 108, positive conditional: 0, positive unconditional: 108, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81748, positive: 81640, positive conditional: 0, positive unconditional: 81640, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 108, unknown conditional: 0, unknown unconditional: 108] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 85, Positive conditional cache size: 0, Positive unconditional cache size: 85, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 2531, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 30567, positive: 27351, positive conditional: 27351, positive unconditional: 0, negative: 3216, negative conditional: 3216, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 91479, positive: 81748, positive conditional: 81748, positive unconditional: 0, negative: 9731, negative conditional: 9731, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81748, positive: 81748, positive conditional: 0, positive unconditional: 81748, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 108, positive: 108, positive conditional: 0, positive unconditional: 108, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81748, positive: 81640, positive conditional: 0, positive unconditional: 81640, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 108, unknown conditional: 0, unknown unconditional: 108] , Statistics on independence cache: Total cache size (in pairs): 107, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 5747, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 36907, positive: 32923, positive conditional: 32923, positive unconditional: 0, negative: 3984, negative conditional: 3984, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 91479, positive: 81748, positive conditional: 81748, positive unconditional: 0, negative: 9731, negative conditional: 9731, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 81748, positive: 81748, positive conditional: 0, positive unconditional: 81748, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 108, positive: 108, positive conditional: 0, positive unconditional: 108, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 81748, positive: 81640, positive conditional: 0, positive unconditional: 81640, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 108, unknown conditional: 0, unknown unconditional: 108] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 108, Positive conditional cache size: 0, Positive unconditional cache size: 108, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 9731, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 94806, positive: 69399, positive conditional: 69399, positive unconditional: 0, negative: 25407, negative conditional: 25407, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72204, positive: 69399, positive conditional: 69399, positive unconditional: 0, negative: 2805, negative conditional: 2805, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 72204, positive: 69399, positive conditional: 69399, positive unconditional: 0, negative: 2805, negative conditional: 2805, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 80932, positive: 69399, positive conditional: 0, positive unconditional: 69399, negative: 11533, negative conditional: 8728, negative unconditional: 2805, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 80932, positive: 69399, positive conditional: 0, positive unconditional: 69399, negative: 11533, negative conditional: 7342, negative unconditional: 4191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 80932, positive: 69399, positive conditional: 0, positive unconditional: 69399, negative: 11533, negative conditional: 7342, negative unconditional: 4191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 313, positive: 150, positive conditional: 0, positive unconditional: 150, negative: 163, negative conditional: 153, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 313, positive: 150, positive conditional: 0, positive unconditional: 150, negative: 163, negative conditional: 0, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 163, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 163, negative conditional: 153, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 291, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 291, negative conditional: 261, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 80932, positive: 69249, positive conditional: 0, positive unconditional: 69249, negative: 11370, negative conditional: 7189, negative unconditional: 4181, unknown: 313, unknown conditional: 153, unknown unconditional: 160] , Statistics on independence cache: Total cache size (in pairs): 313, Positive cache size: 150, Positive conditional cache size: 0, Positive unconditional cache size: 150, Negative cache size: 163, Negative conditional cache size: 153, Negative unconditional cache size: 10, Eliminated conditions: 1386, Maximal queried relation: 5, Independence queries for same thread: 22602 - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 38 with TraceHistMax 5,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-4-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-3-17-2-17-2-16-2-15-2-14-2-13-2-12-2-11-2-11-2-10-2-10-2-9-2-8-2-7-2-7-2-6-2-6-2-5-2-4-2-3-2-3-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-5-2-4-2-3-2-3-2-2-2-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 588.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 3.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 681 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 0 PerfectInterpolantSequences, 52/129 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown