/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/NewStatesSleep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/min-max-sample-abs-2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-10 12:10:47,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-10 12:10:47,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-10 12:10:47,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-10 12:10:47,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-10 12:10:47,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-10 12:10:47,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-10 12:10:47,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-10 12:10:47,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-10 12:10:47,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-10 12:10:47,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-10 12:10:47,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-10 12:10:47,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-10 12:10:47,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-10 12:10:47,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-10 12:10:47,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-10 12:10:47,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-10 12:10:47,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-10 12:10:47,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-10 12:10:47,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-10 12:10:47,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-10 12:10:47,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-10 12:10:47,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-10 12:10:47,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-10 12:10:47,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-10 12:10:47,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-10 12:10:47,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-10 12:10:47,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-10 12:10:47,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-10 12:10:47,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-10 12:10:47,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-10 12:10:47,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-10 12:10:47,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-10 12:10:47,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-10 12:10:47,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-10 12:10:47,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-10 12:10:47,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-10 12:10:47,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-10 12:10:47,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-10 12:10:47,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-10 12:10:47,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-10 12:10:47,745 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2022-10-10 12:10:47,784 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-10 12:10:47,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-10 12:10:47,785 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-10 12:10:47,785 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-10 12:10:47,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-10 12:10:47,786 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-10 12:10:47,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-10 12:10:47,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-10 12:10:47,787 INFO L138 SettingsManager]: * Use SBE=true [2022-10-10 12:10:47,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-10 12:10:47,788 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-10 12:10:47,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-10 12:10:47,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-10 12:10:47,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-10 12:10:47,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-10 12:10:47,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-10 12:10:47,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-10 12:10:47,789 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-10 12:10:47,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-10 12:10:47,789 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-10 12:10:47,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-10 12:10:47,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-10 12:10:47,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-10 12:10:47,790 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-10 12:10:47,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-10 12:10:47,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-10 12:10:47,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-10 12:10:47,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-10 12:10:47,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-10 12:10:47,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-10 12:10:47,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-10 12:10:47,790 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-10 12:10:47,791 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-10 12:10:47,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-10 12:10:47,791 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-10 12:10:47,791 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2022-10-10 12:10:48,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-10 12:10:48,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-10 12:10:48,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-10 12:10:48,052 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-10 12:10:48,054 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-10 12:10:48,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-sample-abs-2.bpl [2022-10-10 12:10:48,055 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-sample-abs-2.bpl' [2022-10-10 12:10:48,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-10 12:10:48,078 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-10 12:10:48,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-10 12:10:48,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-10 12:10:48,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-10 12:10:48,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-sample-abs-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:10:48" (1/1) ... [2022-10-10 12:10:48,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-sample-abs-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:10:48" (1/1) ... [2022-10-10 12:10:48,100 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-10 12:10:48,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-10 12:10:48,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-10 12:10:48,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-10 12:10:48,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-10 12:10:48,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-sample-abs-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:10:48" (1/1) ... [2022-10-10 12:10:48,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-sample-abs-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:10:48" (1/1) ... [2022-10-10 12:10:48,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-sample-abs-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:10:48" (1/1) ... [2022-10-10 12:10:48,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-sample-abs-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:10:48" (1/1) ... [2022-10-10 12:10:48,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-sample-abs-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:10:48" (1/1) ... [2022-10-10 12:10:48,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-sample-abs-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:10:48" (1/1) ... [2022-10-10 12:10:48,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-sample-abs-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:10:48" (1/1) ... [2022-10-10 12:10:48,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-10 12:10:48,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-10 12:10:48,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-10 12:10:48,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-10 12:10:48,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-sample-abs-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:10:48" (1/1) ... [2022-10-10 12:10:48,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-10 12:10:48,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 12:10:48,153 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) [2022-10-10 12:10:48,157 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 [2022-10-10 12:10:48,182 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMax given in one single declaration [2022-10-10 12:10:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure computeMax [2022-10-10 12:10:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMax [2022-10-10 12:10:48,182 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-10 12:10:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-10 12:10:48,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-10 12:10:48,182 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sample given in one single declaration [2022-10-10 12:10:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure sample [2022-10-10 12:10:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure sample [2022-10-10 12:10:48,183 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mapAbs given in one single declaration [2022-10-10 12:10:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure mapAbs [2022-10-10 12:10:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure mapAbs [2022-10-10 12:10:48,183 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMin given in one single declaration [2022-10-10 12:10:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure computeMin [2022-10-10 12:10:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMin [2022-10-10 12:10:48,184 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-10 12:10:48,219 INFO L234 CfgBuilder]: Building ICFG [2022-10-10 12:10:48,220 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-10 12:10:48,307 INFO L275 CfgBuilder]: Performing block encoding [2022-10-10 12:10:48,312 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-10 12:10:48,313 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-10 12:10:48,314 INFO L202 PluginConnector]: Adding new model min-max-sample-abs-2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 12:10:48 BoogieIcfgContainer [2022-10-10 12:10:48,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-10 12:10:48,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-10 12:10:48,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-10 12:10:48,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-10 12:10:48,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-sample-abs-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 12:10:48" (1/2) ... [2022-10-10 12:10:48,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b77e09e and model type min-max-sample-abs-2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 12:10:48, skipping insertion in model container [2022-10-10 12:10:48,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-sample-abs-2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 12:10:48" (2/2) ... [2022-10-10 12:10:48,320 INFO L112 eAbstractionObserver]: Analyzing ICFG min-max-sample-abs-2.bpl [2022-10-10 12:10:48,325 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-10 12:10:48,331 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-10 12:10:48,331 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-10 12:10:48,332 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-10 12:10:48,383 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-10-10 12:10:48,454 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 12:10:48,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 12:10:48,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 12:10:48,487 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) [2022-10-10 12:10:48,505 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 [2022-10-10 12:10:48,528 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-10 12:10:48,545 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-10 12:10:48,550 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;@52b86899, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 12:10:48,551 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 12:10:48,882 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 12:10:48,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 12:10:48,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1302697382, now seen corresponding path program 1 times [2022-10-10 12:10:48,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 12:10:48,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809883223] [2022-10-10 12:10:48,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 12:10:48,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 12:10:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 12:10:49,127 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-10 12:10:49,128 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 12:10:49,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809883223] [2022-10-10 12:10:49,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809883223] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-10 12:10:49,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-10 12:10:49,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-10 12:10:49,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185177787] [2022-10-10 12:10:49,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-10 12:10:49,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-10 12:10:49,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 12:10:49,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-10 12:10:49,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-10 12:10:49,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:10:49,151 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 12:10:49,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 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) [2022-10-10 12:10:49,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:10:49,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-10 12:10:49,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-10 12:10:49,365 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 12:10:49,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 12:10:49,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1684051058, now seen corresponding path program 1 times [2022-10-10 12:10:49,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 12:10:49,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353452369] [2022-10-10 12:10:49,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 12:10:49,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 12:10:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 12:10:49,479 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-10 12:10:49,479 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 12:10:49,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353452369] [2022-10-10 12:10:49,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353452369] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 12:10:49,483 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 12:10:49,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-10-10 12:10:49,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403104912] [2022-10-10 12:10:49,483 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 12:10:49,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-10 12:10:49,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 12:10:49,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-10 12:10:49,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-10 12:10:49,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:10:49,486 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 12:10:49,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 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) [2022-10-10 12:10:49,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-10 12:10:49,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:10:49,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-10 12:10:49,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-10 12:10:49,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-10 12:10:49,810 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 12:10:49,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 12:10:49,810 INFO L85 PathProgramCache]: Analyzing trace with hash -624684736, now seen corresponding path program 2 times [2022-10-10 12:10:49,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 12:10:49,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287718713] [2022-10-10 12:10:49,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 12:10:49,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 12:10:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 12:10:49,906 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-10 12:10:49,906 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 12:10:49,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287718713] [2022-10-10 12:10:49,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287718713] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 12:10:49,906 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 12:10:49,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-10-10 12:10:49,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519256285] [2022-10-10 12:10:49,907 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 12:10:49,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-10 12:10:49,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 12:10:49,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-10 12:10:49,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-10 12:10:49,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:10:49,908 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 12:10:49,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 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) [2022-10-10 12:10:49,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-10 12:10:49,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-10 12:10:49,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:10:50,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-10 12:10:50,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-10 12:10:50,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-10 12:10:50,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-10 12:10:50,310 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 12:10:50,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 12:10:50,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1749611505, now seen corresponding path program 3 times [2022-10-10 12:10:50,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 12:10:50,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321937325] [2022-10-10 12:10:50,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 12:10:50,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 12:10:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 12:10:50,358 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 12:10:50,359 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 12:10:50,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321937325] [2022-10-10 12:10:50,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321937325] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 12:10:50,359 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 12:10:50,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-10-10 12:10:50,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136520907] [2022-10-10 12:10:50,360 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 12:10:50,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-10 12:10:50,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 12:10:50,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-10 12:10:50,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-10 12:10:50,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:10:50,361 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 12:10:50,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 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) [2022-10-10 12:10:50,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-10 12:10:50,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-10 12:10:50,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-10 12:10:50,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:10:50,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-10 12:10:50,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-10 12:10:50,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-10 12:10:50,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-10 12:10:50,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-10 12:10:50,575 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 12:10:50,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 12:10:50,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1001310523, now seen corresponding path program 4 times [2022-10-10 12:10:50,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 12:10:50,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805950086] [2022-10-10 12:10:50,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 12:10:50,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 12:10:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 12:10:50,616 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-10 12:10:50,616 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 12:10:50,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805950086] [2022-10-10 12:10:50,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805950086] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 12:10:50,617 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 12:10:50,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-10-10 12:10:50,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738994156] [2022-10-10 12:10:50,617 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 12:10:50,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-10 12:10:50,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 12:10:50,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-10 12:10:50,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-10 12:10:50,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:10:50,618 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 12:10:50,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 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) [2022-10-10 12:10:50,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-10 12:10:50,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-10 12:10:50,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-10 12:10:50,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-10 12:10:50,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:10:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-10 12:10:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-10 12:10:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-10 12:10:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-10 12:10:50,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-10 12:10:50,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-10 12:10:50,877 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 12:10:50,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 12:10:50,877 INFO L85 PathProgramCache]: Analyzing trace with hash -72336081, now seen corresponding path program 5 times [2022-10-10 12:10:50,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 12:10:50,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222909718] [2022-10-10 12:10:50,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 12:10:50,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 12:10:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 12:10:51,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 12:10:51,680 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 12:10:51,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222909718] [2022-10-10 12:10:51,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222909718] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 12:10:51,681 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 12:10:51,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2022-10-10 12:10:51,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958379265] [2022-10-10 12:10:51,682 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 12:10:51,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-10 12:10:51,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 12:10:51,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-10 12:10:51,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2022-10-10 12:10:51,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:10:51,685 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 12:10:51,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 14 states have internal predecessors, (34), 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) [2022-10-10 12:10:51,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-10 12:10:51,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-10 12:10:51,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-10 12:10:51,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-10 12:10:51,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-10 12:10:51,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:10:52,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-10 12:10:52,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-10 12:10:52,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-10 12:10:52,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-10 12:10:52,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-10 12:10:52,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-10 12:10:52,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-10 12:10:52,779 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 12:10:52,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 12:10:52,781 INFO L85 PathProgramCache]: Analyzing trace with hash -453689757, now seen corresponding path program 6 times [2022-10-10 12:10:52,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 12:10:52,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406115742] [2022-10-10 12:10:52,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 12:10:52,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 12:10:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 12:10:56,715 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 12:10:56,715 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 12:10:56,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406115742] [2022-10-10 12:10:56,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406115742] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 12:10:56,716 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 12:10:56,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2022-10-10 12:10:56,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993679325] [2022-10-10 12:10:56,716 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 12:10:56,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-10 12:10:56,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 12:10:56,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-10 12:10:56,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2022-10-10 12:10:56,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:10:56,717 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 12:10:56,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.0476190476190474) internal successors, (43), 21 states have internal predecessors, (43), 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) [2022-10-10 12:10:56,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-10 12:10:56,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-10 12:10:56,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-10 12:10:56,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-10 12:10:56,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-10 12:10:56,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-10-10 12:10:56,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:11:05,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-10 12:11:05,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-10 12:11:05,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-10 12:11:05,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-10 12:11:05,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-10 12:11:05,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-10 12:11:05,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-10-10 12:11:05,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-10 12:11:05,031 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 12:11:05,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 12:11:05,032 INFO L85 PathProgramCache]: Analyzing trace with hash -2119411793, now seen corresponding path program 7 times [2022-10-10 12:11:05,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 12:11:05,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177265319] [2022-10-10 12:11:05,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 12:11:05,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 12:11:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 12:11:19,327 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 12:11:19,328 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 12:11:19,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177265319] [2022-10-10 12:11:19,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177265319] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 12:11:19,328 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 12:11:19,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2022-10-10 12:11:19,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093317835] [2022-10-10 12:11:19,328 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 12:11:19,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-10-10 12:11:19,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 12:11:19,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-10-10 12:11:19,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=593, Unknown=0, NotChecked=0, Total=702 [2022-10-10 12:11:19,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:11:19,330 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 12:11:19,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.0) internal successors, (52), 26 states have internal predecessors, (52), 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) [2022-10-10 12:11:19,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-10 12:11:19,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-10 12:11:19,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-10 12:11:19,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-10 12:11:19,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-10 12:11:19,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-10-10 12:11:19,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-10-10 12:11:19,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 12:11:30,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-10 12:11:30,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-10 12:11:30,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-10 12:11:30,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-10 12:11:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-10 12:11:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-10 12:11:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-10-10 12:11:30,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-10-10 12:11:30,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-10 12:11:30,952 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 12:11:30,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 12:11:30,958 INFO L85 PathProgramCache]: Analyzing trace with hash -189860893, now seen corresponding path program 8 times [2022-10-10 12:11:30,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 12:11:30,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121241519] [2022-10-10 12:11:30,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 12:11:30,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 12:11:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-10-10 12:20:40,552 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-10 12:20:40,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-10 12:20:40,553 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 62 with TraceHistMax 4,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-4-3-5-2-6-3-5-3-6-3-5-3-6-3-6-3-6-3-6-3-6-3-6-3-4-3-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-3-1 context. [2022-10-10 12:20:40,556 INFO L444 BasicCegarLoop]: Path program histogram: [8, 1] [2022-10-10 12:20:40,557 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT was TIMEOUT (1/5) [2022-10-10 12:20:40,558 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-10 12:20:40,558 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-10 12:20:40,560 INFO L202 PluginConnector]: Adding new model min-max-sample-abs-2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.10 12:20:40 BasicIcfg [2022-10-10 12:20:40,560 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-10 12:20:40,561 INFO L158 Benchmark]: Toolchain (without parser) took 592483.36ms. Allocated memory was 181.4MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 159.4MB in the beginning and 502.9MB in the end (delta: -343.5MB). Peak memory consumption was 738.2MB. Max. memory is 8.0GB. [2022-10-10 12:20:40,561 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.34ms. Allocated memory is still 181.4MB. Free memory is still 160.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-10 12:20:40,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.26ms. Allocated memory is still 181.4MB. Free memory was 159.4MB in the beginning and 157.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-10 12:20:40,562 INFO L158 Benchmark]: Boogie Preprocessor took 16.96ms. Allocated memory is still 181.4MB. Free memory was 157.8MB in the beginning and 156.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-10 12:20:40,562 INFO L158 Benchmark]: RCFGBuilder took 194.96ms. Allocated memory is still 181.4MB. Free memory was 156.7MB in the beginning and 146.9MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-10 12:20:40,562 INFO L158 Benchmark]: TraceAbstraction took 592244.86ms. Allocated memory was 181.4MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 146.2MB in the beginning and 502.9MB in the end (delta: -356.7MB). Peak memory consumption was 724.6MB. Max. memory is 8.0GB. [2022-10-10 12:20:40,564 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 0.34ms. Allocated memory is still 181.4MB. Free memory is still 160.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.26ms. Allocated memory is still 181.4MB. Free memory was 159.4MB in the beginning and 157.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.96ms. Allocated memory is still 181.4MB. Free memory was 157.8MB in the beginning and 156.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 194.96ms. Allocated memory is still 181.4MB. Free memory was 156.7MB in the beginning and 146.9MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 592244.86ms. Allocated memory was 181.4MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 146.2MB in the beginning and 502.9MB in the end (delta: -356.7MB). Peak memory consumption was 724.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 147609, positive: 136338, positive conditional: 136338, positive unconditional: 0, negative: 11271, negative conditional: 11271, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 136482, positive: 136338, positive conditional: 136338, positive unconditional: 0, negative: 144, negative conditional: 144, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 136482, positive: 136338, positive conditional: 136338, positive unconditional: 0, negative: 144, negative conditional: 144, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 136991, positive: 136338, positive conditional: 0, positive unconditional: 136338, negative: 653, negative conditional: 509, negative unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 136991, positive: 136338, positive conditional: 0, positive unconditional: 136338, negative: 653, negative conditional: 240, negative unconditional: 413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 136991, positive: 136338, positive conditional: 0, positive unconditional: 136338, negative: 653, negative conditional: 240, negative unconditional: 413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 321, positive: 294, positive conditional: 0, positive unconditional: 294, negative: 27, negative conditional: 25, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 321, positive: 290, positive conditional: 0, positive unconditional: 290, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 27, negative conditional: 25, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 165, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 127, negative conditional: 80, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 136991, positive: 136044, positive conditional: 0, positive unconditional: 136044, negative: 626, negative conditional: 215, negative unconditional: 411, unknown: 321, unknown conditional: 25, unknown unconditional: 296] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 294, Positive conditional cache size: 0, Positive unconditional cache size: 294, Negative cache size: 27, Negative conditional cache size: 25, Negative unconditional cache size: 2, Eliminated conditions: 269, Maximal queried relation: 8, Independence queries for same thread: 11127 - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 62 with TraceHistMax 4,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-4-3-5-2-6-3-5-3-6-3-5-3-6-3-6-3-6-3-6-3-6-3-6-3-4-3-3-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 9 procedures, 65 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 592.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 22.8s, 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: 218, 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, 0.5s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 326 NumberOfCodeBlocks, 326 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 318 ConstructedInterpolants, 0 QuantifiedInterpolants, 6974 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 50/122 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