./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8a6b1e16ae829d5686c91b3f759f297edb0ae10a608027b90b675b6283e6173a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 13:10:04,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 13:10:04,552 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 13:10:04,556 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 13:10:04,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 13:10:04,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 13:10:04,577 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 13:10:04,577 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 13:10:04,578 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 13:10:04,578 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 13:10:04,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 13:10:04,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 13:10:04,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 13:10:04,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 13:10:04,580 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 13:10:04,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 13:10:04,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 13:10:04,585 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 13:10:04,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 13:10:04,585 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 13:10:04,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 13:10:04,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 13:10:04,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 13:10:04,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 13:10:04,587 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 13:10:04,587 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 13:10:04,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 13:10:04,588 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 13:10:04,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 13:10:04,588 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 13:10:04,588 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 13:10:04,588 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 13:10:04,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 13:10:04,589 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 13:10:04,589 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 13:10:04,589 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 13:10:04,589 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 13:10:04,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 13:10:04,589 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 13:10:04,589 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 13:10:04,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 13:10:04,590 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 13:10:04,590 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a6b1e16ae829d5686c91b3f759f297edb0ae10a608027b90b675b6283e6173a [2024-11-22 13:10:04,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 13:10:04,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 13:10:04,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 13:10:04,792 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 13:10:04,792 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 13:10:04,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i [2024-11-22 13:10:05,999 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 13:10:06,159 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 13:10:06,160 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i [2024-11-22 13:10:06,167 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4dfc2cab/26f0eab102584633939715a38cd60574/FLAG1a1629771 [2024-11-22 13:10:06,179 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4dfc2cab/26f0eab102584633939715a38cd60574 [2024-11-22 13:10:06,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 13:10:06,182 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 13:10:06,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 13:10:06,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 13:10:06,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 13:10:06,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:10:06" (1/1) ... [2024-11-22 13:10:06,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306c2015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:06, skipping insertion in model container [2024-11-22 13:10:06,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:10:06" (1/1) ... [2024-11-22 13:10:06,213 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 13:10:06,384 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i[916,929] [2024-11-22 13:10:06,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 13:10:06,440 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 13:10:06,449 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i[916,929] [2024-11-22 13:10:06,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 13:10:06,511 INFO L204 MainTranslator]: Completed translation [2024-11-22 13:10:06,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:06 WrapperNode [2024-11-22 13:10:06,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 13:10:06,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 13:10:06,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 13:10:06,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 13:10:06,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:06" (1/1) ... [2024-11-22 13:10:06,539 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:06" (1/1) ... [2024-11-22 13:10:06,585 INFO L138 Inliner]: procedures = 30, calls = 167, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 536 [2024-11-22 13:10:06,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 13:10:06,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 13:10:06,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 13:10:06,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 13:10:06,599 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:06" (1/1) ... [2024-11-22 13:10:06,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:06" (1/1) ... [2024-11-22 13:10:06,603 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:06" (1/1) ... [2024-11-22 13:10:06,618 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-22 13:10:06,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:06" (1/1) ... [2024-11-22 13:10:06,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:06" (1/1) ... [2024-11-22 13:10:06,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:06" (1/1) ... [2024-11-22 13:10:06,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:06" (1/1) ... [2024-11-22 13:10:06,650 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:06" (1/1) ... [2024-11-22 13:10:06,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:06" (1/1) ... [2024-11-22 13:10:06,658 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 13:10:06,662 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 13:10:06,663 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 13:10:06,663 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 13:10:06,664 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:06" (1/1) ... [2024-11-22 13:10:06,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 13:10:06,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:10:06,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 13:10:06,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 13:10:06,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 13:10:06,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-22 13:10:06,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-22 13:10:06,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-22 13:10:06,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-22 13:10:06,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-22 13:10:06,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-22 13:10:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 13:10:06,744 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 13:10:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-22 13:10:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 13:10:06,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 13:10:06,847 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 13:10:06,849 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 13:10:07,341 INFO L? ?]: Removed 139 outVars from TransFormulas that were not future-live. [2024-11-22 13:10:07,341 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 13:10:07,359 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 13:10:07,360 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 13:10:07,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:10:07 BoogieIcfgContainer [2024-11-22 13:10:07,360 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 13:10:07,363 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 13:10:07,363 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 13:10:07,366 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 13:10:07,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:10:06" (1/3) ... [2024-11-22 13:10:07,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adbb07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:10:07, skipping insertion in model container [2024-11-22 13:10:07,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:06" (2/3) ... [2024-11-22 13:10:07,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adbb07b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:10:07, skipping insertion in model container [2024-11-22 13:10:07,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:10:07" (3/3) ... [2024-11-22 13:10:07,371 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-72.i [2024-11-22 13:10:07,397 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 13:10:07,398 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 13:10:07,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 13:10:07,475 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@286d0e3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 13:10:07,476 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 13:10:07,479 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 108 states have (on average 1.4166666666666667) internal successors, (153), 109 states have internal predecessors, (153), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:10:07,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-22 13:10:07,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:07,492 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:07,493 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:07,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:07,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1260773947, now seen corresponding path program 1 times [2024-11-22 13:10:07,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:10:07,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400456451] [2024-11-22 13:10:07,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:07,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:10:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:08,083 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:10:08,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:10:08,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400456451] [2024-11-22 13:10:08,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400456451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:10:08,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:10:08,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 13:10:08,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010907453] [2024-11-22 13:10:08,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:10:08,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 13:10:08,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:10:08,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 13:10:08,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:10:08,118 INFO L87 Difference]: Start difference. First operand has 128 states, 108 states have (on average 1.4166666666666667) internal successors, (153), 109 states have internal predecessors, (153), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 13:10:08,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:10:08,190 INFO L93 Difference]: Finished difference Result 251 states and 388 transitions. [2024-11-22 13:10:08,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 13:10:08,192 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 149 [2024-11-22 13:10:08,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:10:08,198 INFO L225 Difference]: With dead ends: 251 [2024-11-22 13:10:08,199 INFO L226 Difference]: Without dead ends: 126 [2024-11-22 13:10:08,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:10:08,205 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:10:08,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 523 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 13:10:08,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-22 13:10:08,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-22 13:10:08,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 107 states have (on average 1.3831775700934579) internal successors, (148), 107 states have internal predecessors, (148), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:10:08,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 182 transitions. [2024-11-22 13:10:08,238 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 182 transitions. Word has length 149 [2024-11-22 13:10:08,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:10:08,239 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 182 transitions. [2024-11-22 13:10:08,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 13:10:08,239 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 182 transitions. [2024-11-22 13:10:08,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-22 13:10:08,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:08,242 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:08,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 13:10:08,242 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:08,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:08,243 INFO L85 PathProgramCache]: Analyzing trace with hash 584593219, now seen corresponding path program 1 times [2024-11-22 13:10:08,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:10:08,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72150028] [2024-11-22 13:10:08,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:08,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:10:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:08,567 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-22 13:10:08,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:10:08,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72150028] [2024-11-22 13:10:08,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72150028] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 13:10:08,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977771471] [2024-11-22 13:10:08,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:08,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 13:10:08,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:10:08,570 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 13:10:08,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 13:10:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:08,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 13:10:08,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:10:08,852 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:10:08,854 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:10:08,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977771471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:10:08,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 13:10:08,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-22 13:10:08,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299865874] [2024-11-22 13:10:08,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:10:08,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 13:10:08,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:10:08,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 13:10:08,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 13:10:08,857 INFO L87 Difference]: Start difference. First operand 126 states and 182 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:08,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:10:08,888 INFO L93 Difference]: Finished difference Result 252 states and 365 transitions. [2024-11-22 13:10:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 13:10:08,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-22 13:10:08,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:10:08,890 INFO L225 Difference]: With dead ends: 252 [2024-11-22 13:10:08,890 INFO L226 Difference]: Without dead ends: 129 [2024-11-22 13:10:08,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 13:10:08,892 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 1 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:10:08,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 520 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 13:10:08,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-22 13:10:08,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 128. [2024-11-22 13:10:08,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 109 states have (on average 1.3761467889908257) internal successors, (150), 109 states have internal predecessors, (150), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:10:08,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 184 transitions. [2024-11-22 13:10:08,901 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 184 transitions. Word has length 149 [2024-11-22 13:10:08,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:10:08,901 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 184 transitions. [2024-11-22 13:10:08,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:08,902 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 184 transitions. [2024-11-22 13:10:08,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-22 13:10:08,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:08,904 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:08,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 13:10:09,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 13:10:09,105 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:09,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:09,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1264651589, now seen corresponding path program 1 times [2024-11-22 13:10:09,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:10:09,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975666104] [2024-11-22 13:10:09,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:09,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:10:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:09,310 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-22 13:10:09,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:10:09,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975666104] [2024-11-22 13:10:09,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975666104] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 13:10:09,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181026615] [2024-11-22 13:10:09,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:09,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 13:10:09,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:10:09,316 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 13:10:09,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 13:10:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:09,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 13:10:09,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:10:09,553 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:10:09,554 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:10:09,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181026615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:10:09,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 13:10:09,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-22 13:10:09,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572960322] [2024-11-22 13:10:09,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:10:09,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 13:10:09,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:10:09,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 13:10:09,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 13:10:09,557 INFO L87 Difference]: Start difference. First operand 128 states and 184 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:09,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:10:09,585 INFO L93 Difference]: Finished difference Result 256 states and 369 transitions. [2024-11-22 13:10:09,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 13:10:09,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-22 13:10:09,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:10:09,588 INFO L225 Difference]: With dead ends: 256 [2024-11-22 13:10:09,588 INFO L226 Difference]: Without dead ends: 131 [2024-11-22 13:10:09,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 13:10:09,589 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 1 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:10:09,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 521 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 13:10:09,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-22 13:10:09,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 130. [2024-11-22 13:10:09,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 111 states have (on average 1.3693693693693694) internal successors, (152), 111 states have internal predecessors, (152), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:10:09,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 186 transitions. [2024-11-22 13:10:09,600 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 186 transitions. Word has length 149 [2024-11-22 13:10:09,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:10:09,603 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 186 transitions. [2024-11-22 13:10:09,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:09,603 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 186 transitions. [2024-11-22 13:10:09,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-22 13:10:09,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:09,604 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:09,613 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 13:10:09,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-22 13:10:09,809 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:09,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:09,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1255308345, now seen corresponding path program 1 times [2024-11-22 13:10:09,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:10:09,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315098785] [2024-11-22 13:10:09,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:09,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:10:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:09,967 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-22 13:10:09,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:10:09,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315098785] [2024-11-22 13:10:09,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315098785] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 13:10:09,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276687287] [2024-11-22 13:10:09,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:09,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 13:10:09,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:10:09,971 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 13:10:09,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 13:10:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:10,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 13:10:10,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:10:10,179 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:10:10,179 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:10:10,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276687287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:10:10,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 13:10:10,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-22 13:10:10,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737118097] [2024-11-22 13:10:10,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:10:10,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 13:10:10,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:10:10,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 13:10:10,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 13:10:10,183 INFO L87 Difference]: Start difference. First operand 130 states and 186 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:10,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:10:10,204 INFO L93 Difference]: Finished difference Result 260 states and 373 transitions. [2024-11-22 13:10:10,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 13:10:10,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-22 13:10:10,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:10:10,208 INFO L225 Difference]: With dead ends: 260 [2024-11-22 13:10:10,210 INFO L226 Difference]: Without dead ends: 133 [2024-11-22 13:10:10,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 13:10:10,212 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 1 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:10:10,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 523 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 13:10:10,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-22 13:10:10,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 132. [2024-11-22 13:10:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 113 states have (on average 1.3628318584070795) internal successors, (154), 113 states have internal predecessors, (154), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:10:10,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 188 transitions. [2024-11-22 13:10:10,221 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 188 transitions. Word has length 149 [2024-11-22 13:10:10,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:10:10,222 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 188 transitions. [2024-11-22 13:10:10,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:10,222 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 188 transitions. [2024-11-22 13:10:10,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-22 13:10:10,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:10,225 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:10,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 13:10:10,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 13:10:10,426 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:10,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:10,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1253461303, now seen corresponding path program 1 times [2024-11-22 13:10:10,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:10:10,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644164140] [2024-11-22 13:10:10,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:10,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:10:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:10,621 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-22 13:10:10,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:10:10,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644164140] [2024-11-22 13:10:10,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644164140] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 13:10:10,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124693685] [2024-11-22 13:10:10,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:10,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 13:10:10,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:10:10,624 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 13:10:10,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 13:10:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:10,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 13:10:10,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:10:10,832 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:10:10,832 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:10:10,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124693685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:10:10,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 13:10:10,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-22 13:10:10,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105854896] [2024-11-22 13:10:10,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:10:10,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 13:10:10,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:10:10,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 13:10:10,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-22 13:10:10,835 INFO L87 Difference]: Start difference. First operand 132 states and 188 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:10,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:10:10,854 INFO L93 Difference]: Finished difference Result 263 states and 376 transitions. [2024-11-22 13:10:10,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 13:10:10,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-22 13:10:10,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:10:10,856 INFO L225 Difference]: With dead ends: 263 [2024-11-22 13:10:10,857 INFO L226 Difference]: Without dead ends: 134 [2024-11-22 13:10:10,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-22 13:10:10,858 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:10:10,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 523 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 13:10:10,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-22 13:10:10,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2024-11-22 13:10:10,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 115 states have (on average 1.3565217391304347) internal successors, (156), 115 states have internal predecessors, (156), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:10:10,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 190 transitions. [2024-11-22 13:10:10,870 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 190 transitions. Word has length 149 [2024-11-22 13:10:10,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:10:10,870 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 190 transitions. [2024-11-22 13:10:10,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:10,870 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2024-11-22 13:10:10,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-22 13:10:10,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:10,873 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:10,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 13:10:11,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 13:10:11,074 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:11,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:11,074 INFO L85 PathProgramCache]: Analyzing trace with hash -497883516, now seen corresponding path program 1 times [2024-11-22 13:10:11,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:10:11,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928671403] [2024-11-22 13:10:11,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:11,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:10:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:11,872 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:10:11,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:10:11,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928671403] [2024-11-22 13:10:11,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928671403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:10:11,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:10:11,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-22 13:10:11,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305237391] [2024-11-22 13:10:11,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:10:11,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 13:10:11,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:10:11,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 13:10:11,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-22 13:10:11,874 INFO L87 Difference]: Start difference. First operand 134 states and 190 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:12,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:10:12,187 INFO L93 Difference]: Finished difference Result 267 states and 380 transitions. [2024-11-22 13:10:12,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 13:10:12,187 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-11-22 13:10:12,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:10:12,188 INFO L225 Difference]: With dead ends: 267 [2024-11-22 13:10:12,188 INFO L226 Difference]: Without dead ends: 136 [2024-11-22 13:10:12,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-22 13:10:12,189 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 153 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 13:10:12,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 706 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 13:10:12,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-22 13:10:12,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-22 13:10:12,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 117 states have (on average 1.3504273504273505) internal successors, (158), 117 states have internal predecessors, (158), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:10:12,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 192 transitions. [2024-11-22 13:10:12,196 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 192 transitions. Word has length 151 [2024-11-22 13:10:12,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:10:12,197 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 192 transitions. [2024-11-22 13:10:12,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:12,197 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 192 transitions. [2024-11-22 13:10:12,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-22 13:10:12,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:12,198 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:12,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 13:10:12,198 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:12,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:12,199 INFO L85 PathProgramCache]: Analyzing trace with hash 37707956, now seen corresponding path program 1 times [2024-11-22 13:10:12,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:10:12,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404029645] [2024-11-22 13:10:12,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:12,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:10:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:13,206 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-22 13:10:13,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 13:10:13,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404029645] [2024-11-22 13:10:13,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404029645] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 13:10:13,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389794670] [2024-11-22 13:10:13,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:13,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 13:10:13,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:10:13,211 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 13:10:13,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 13:10:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:13,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-22 13:10:13,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:10:13,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-22 13:10:13,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-22 13:10:13,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-22 13:10:13,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-22 13:10:13,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-22 13:10:13,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-22 13:10:13,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-22 13:10:13,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-22 13:10:13,745 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 246 proven. 33 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-22 13:10:13,745 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 13:10:14,042 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-22 13:10:14,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389794670] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 13:10:14,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 13:10:14,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 12 [2024-11-22 13:10:14,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135964721] [2024-11-22 13:10:14,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 13:10:14,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 13:10:14,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 13:10:14,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 13:10:14,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-22 13:10:14,045 INFO L87 Difference]: Start difference. First operand 136 states and 192 transitions. Second operand has 12 states, 9 states have (on average 9.88888888888889) internal successors, (89), 12 states have internal predecessors, (89), 6 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (35), 3 states have call predecessors, (35), 6 states have call successors, (35) [2024-11-22 13:10:14,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:10:14,510 INFO L93 Difference]: Finished difference Result 277 states and 388 transitions. [2024-11-22 13:10:14,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 13:10:14,512 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 9.88888888888889) internal successors, (89), 12 states have internal predecessors, (89), 6 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (35), 3 states have call predecessors, (35), 6 states have call successors, (35) Word has length 151 [2024-11-22 13:10:14,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:10:14,515 INFO L225 Difference]: With dead ends: 277 [2024-11-22 13:10:14,515 INFO L226 Difference]: Without dead ends: 144 [2024-11-22 13:10:14,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 297 SyntacticMatches, 10 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2024-11-22 13:10:14,516 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 254 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 13:10:14,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 379 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 13:10:14,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-22 13:10:14,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 140. [2024-11-22 13:10:14,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 120 states have (on average 1.3333333333333333) internal successors, (160), 120 states have internal predecessors, (160), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:10:14,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 194 transitions. [2024-11-22 13:10:14,532 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 194 transitions. Word has length 151 [2024-11-22 13:10:14,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:10:14,534 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 194 transitions. [2024-11-22 13:10:14,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 9.88888888888889) internal successors, (89), 12 states have internal predecessors, (89), 6 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (35), 3 states have call predecessors, (35), 6 states have call successors, (35) [2024-11-22 13:10:14,534 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2024-11-22 13:10:14,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-22 13:10:14,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:14,535 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:14,544 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-22 13:10:14,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 13:10:14,736 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:14,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:14,737 INFO L85 PathProgramCache]: Analyzing trace with hash 739307830, now seen corresponding path program 1 times [2024-11-22 13:10:14,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 13:10:14,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2245855] [2024-11-22 13:10:14,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:14,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 13:10:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 13:10:14,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-22 13:10:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-22 13:10:14,933 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-22 13:10:14,935 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-22 13:10:14,936 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-22 13:10:14,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 13:10:14,941 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:14,994 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-22 13:10:14,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:10:14 BoogieIcfgContainer [2024-11-22 13:10:15,000 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-22 13:10:15,000 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-22 13:10:15,000 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-22 13:10:15,000 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-22 13:10:15,001 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:10:07" (3/4) ... [2024-11-22 13:10:15,003 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-22 13:10:15,004 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-22 13:10:15,005 INFO L158 Benchmark]: Toolchain (without parser) took 8822.87ms. Allocated memory was 144.7MB in the beginning and 343.9MB in the end (delta: 199.2MB). Free memory was 90.3MB in the beginning and 265.1MB in the end (delta: -174.8MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-11-22 13:10:15,005 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 94.4MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 13:10:15,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.83ms. Allocated memory is still 144.7MB. Free memory was 89.9MB in the beginning and 107.0MB in the end (delta: -17.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-22 13:10:15,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.23ms. Allocated memory is still 144.7MB. Free memory was 107.0MB in the beginning and 102.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 13:10:15,006 INFO L158 Benchmark]: Boogie Preprocessor took 75.91ms. Allocated memory is still 144.7MB. Free memory was 102.9MB in the beginning and 98.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-22 13:10:15,006 INFO L158 Benchmark]: RCFGBuilder took 697.92ms. Allocated memory is still 144.7MB. Free memory was 98.7MB in the beginning and 63.6MB in the end (delta: 35.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-22 13:10:15,006 INFO L158 Benchmark]: TraceAbstraction took 7636.52ms. Allocated memory was 144.7MB in the beginning and 343.9MB in the end (delta: 199.2MB). Free memory was 63.0MB in the beginning and 265.1MB in the end (delta: -202.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 13:10:15,007 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 343.9MB. Free memory is still 265.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 13:10:15,008 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 94.4MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.83ms. Allocated memory is still 144.7MB. Free memory was 89.9MB in the beginning and 107.0MB in the end (delta: -17.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.23ms. Allocated memory is still 144.7MB. Free memory was 107.0MB in the beginning and 102.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.91ms. Allocated memory is still 144.7MB. Free memory was 102.9MB in the beginning and 98.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 697.92ms. Allocated memory is still 144.7MB. Free memory was 98.7MB in the beginning and 63.6MB in the end (delta: 35.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7636.52ms. Allocated memory was 144.7MB in the beginning and 343.9MB in the end (delta: 199.2MB). Free memory was 63.0MB in the beginning and 265.1MB in the end (delta: -202.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 343.9MB. Free memory is still 265.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of someBinaryDOUBLEComparisonOperation at line 118. Possible FailurePath: [L41] unsigned char isInitial = 0; [L42-L60] struct WrapperStruct00 WrapperStruct00 = { 1, 0, 1, 0, 2, -16, -2, -10, 4, 256.4, 0.25, 100000000000.2, 50.5, 9.5, 100000000000.4, 4, 10000 }; [L61] unsigned char last_1_WrapperStruct00_var_1_1 = 1; [L62] double last_1_WrapperStruct00_var_1_15 = 256.4; VAL [WrapperStruct00={4:0}, isInitial=0, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L122] isInitial = 1 [L123] FCALL initially() [L124] COND TRUE 1 [L125] CALL updateLastVariables() [L114] EXPR WrapperStruct00.var_1_1 [L114] last_1_WrapperStruct00_var_1_1 = WrapperStruct00.var_1_1 [L115] EXPR WrapperStruct00.var_1_15 [L115] last_1_WrapperStruct00_var_1_15 = WrapperStruct00.var_1_15 [L125] RET updateLastVariables() [L126] CALL updateVariables() [L85] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L86] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L86] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L87] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L87] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L88] WrapperStruct00.var_1_8 = __VERIFIER_nondet_uchar() [L89] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L89] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L90] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L91] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L93] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L94] WrapperStruct00.var_1_12 = __VERIFIER_nondet_char() [L95] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L96] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L97] WrapperStruct00.var_1_13 = __VERIFIER_nondet_char() [L98] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L99] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L100] WrapperStruct00.var_1_14 = __VERIFIER_nondet_char() [L101] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L102] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L102] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L103] WrapperStruct00.var_1_16 = __VERIFIER_nondet_float() [L104] EXPR WrapperStruct00.var_1_16 [L104] EXPR WrapperStruct00.var_1_16 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F [L104] EXPR WrapperStruct00.var_1_16 [L104] EXPR WrapperStruct00.var_1_16 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L104] EXPR (WrapperStruct00.var_1_16 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L104] CALL assume_abort_if_not((WrapperStruct00.var_1_16 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L104] RET assume_abort_if_not((WrapperStruct00.var_1_16 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_16 <= -1.0e-20F) || (WrapperStruct00.var_1_16 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_16 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L105] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_16 != 0.0F) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L105] RET assume_abort_if_not(WrapperStruct00.var_1_16 != 0.0F) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L106] WrapperStruct00.var_1_17 = __VERIFIER_nondet_double() [L107] EXPR WrapperStruct00.var_1_17 [L107] EXPR WrapperStruct00.var_1_17 >= 0.0F && WrapperStruct00.var_1_17 <= -1.0e-20F [L107] EXPR WrapperStruct00.var_1_17 [L107] EXPR WrapperStruct00.var_1_17 >= 0.0F && WrapperStruct00.var_1_17 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L107] EXPR (WrapperStruct00.var_1_17 >= 0.0F && WrapperStruct00.var_1_17 <= -1.0e-20F) || (WrapperStruct00.var_1_17 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_17 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L107] CALL assume_abort_if_not((WrapperStruct00.var_1_17 >= 0.0F && WrapperStruct00.var_1_17 <= -1.0e-20F) || (WrapperStruct00.var_1_17 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_17 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L107] RET assume_abort_if_not((WrapperStruct00.var_1_17 >= 0.0F && WrapperStruct00.var_1_17 <= -1.0e-20F) || (WrapperStruct00.var_1_17 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_17 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L108] WrapperStruct00.var_1_18 = __VERIFIER_nondet_double() [L109] EXPR WrapperStruct00.var_1_18 [L109] EXPR WrapperStruct00.var_1_18 >= 0.0F && WrapperStruct00.var_1_18 <= -1.0e-20F [L109] EXPR WrapperStruct00.var_1_18 [L109] EXPR WrapperStruct00.var_1_18 >= 0.0F && WrapperStruct00.var_1_18 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L109] EXPR (WrapperStruct00.var_1_18 >= 0.0F && WrapperStruct00.var_1_18 <= -1.0e-20F) || (WrapperStruct00.var_1_18 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_18 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L109] CALL assume_abort_if_not((WrapperStruct00.var_1_18 >= 0.0F && WrapperStruct00.var_1_18 <= -1.0e-20F) || (WrapperStruct00.var_1_18 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_18 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L109] RET assume_abort_if_not((WrapperStruct00.var_1_18 >= 0.0F && WrapperStruct00.var_1_18 <= -1.0e-20F) || (WrapperStruct00.var_1_18 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_18 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L110] WrapperStruct00.var_1_19 = __VERIFIER_nondet_double() [L111] EXPR WrapperStruct00.var_1_19 [L111] EXPR WrapperStruct00.var_1_19 >= 0.0F && WrapperStruct00.var_1_19 <= -1.0e-20F [L111] EXPR WrapperStruct00.var_1_19 [L111] EXPR WrapperStruct00.var_1_19 >= 0.0F && WrapperStruct00.var_1_19 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L111] EXPR (WrapperStruct00.var_1_19 >= 0.0F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L111] CALL assume_abort_if_not((WrapperStruct00.var_1_19 >= 0.0F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L111] RET assume_abort_if_not((WrapperStruct00.var_1_19 >= 0.0F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L126] RET updateVariables() [L127] CALL step() [L66] WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L66] COND FALSE !(WrapperStruct00.var_1_9) [L69] EXPR WrapperStruct00.var_1_12 [L69] EXPR WrapperStruct00.var_1_13 [L69] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L69] EXPR (((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14)) [L69] EXPR WrapperStruct00.var_1_12 [L69] EXPR WrapperStruct00.var_1_13 [L69] EXPR (((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L69] WrapperStruct00.var_1_11 = (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14)))) [L70] EXPR WrapperStruct00.var_1_19 [L70] WrapperStruct00.var_1_20 = WrapperStruct00.var_1_19 [L71] WrapperStruct00.var_1_21 = 1 [L72] WrapperStruct00.var_1_22 = 10 [L73] EXPR WrapperStruct00.var_1_20 [L73] EXPR WrapperStruct00.var_1_20 [L73] EXPR WrapperStruct00.var_1_16 [L73] EXPR WrapperStruct00.var_1_20 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L73] COND FALSE !((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) [L80] EXPR WrapperStruct00.var_1_20 [L80] EXPR WrapperStruct00.var_1_15 [L80] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L80] EXPR ((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15) [L80] EXPR WrapperStruct00.var_1_15 [L80] EXPR ((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L80] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L80] COND FALSE !(WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) [L127] RET step() [L128] CALL, EXPR property() [L118] EXPR WrapperStruct00.var_1_20 [L118] EXPR WrapperStruct00.var_1_15 [L118] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR ((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15) [L118] EXPR WrapperStruct00.var_1_15 [L118] EXPR ((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR (WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1 [L118] EXPR WrapperStruct00.var_1_1 [L118] EXPR WrapperStruct00.var_1_6 [L118] EXPR WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR (WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR ((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR (((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14)))))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR ((((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14))))))) && (((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19))))))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR (((((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14))))))) && (((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19))))))) : 1)) && (WrapperStruct00.var_1_20 == ((double) WrapperStruct00.var_1_19)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR ((((((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14))))))) && (((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19))))))) : 1)) && (WrapperStruct00.var_1_20 == ((double) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_21 == ((signed char) 1)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118] EXPR (((((((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14))))))) && (((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19))))))) : 1)) && (WrapperStruct00.var_1_20 == ((double) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_21 == ((signed char) 1))) && (WrapperStruct00.var_1_22 == ((unsigned short int) 10)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L118-L119] return (((((((WrapperStruct00.var_1_20 < (((((WrapperStruct00.var_1_15) < (WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_15) : (WrapperStruct00.var_1_15))) * WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_1 == ((unsigned char) (WrapperStruct00.var_1_6 && ((last_1_WrapperStruct00_var_1_1 || WrapperStruct00.var_1_8) && WrapperStruct00.var_1_9)))) : 1) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_10 == ((unsigned long int) 2u)) : 1)) && (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) < ((10 - WrapperStruct00.var_1_14))) ? ((WrapperStruct00.var_1_12 + WrapperStruct00.var_1_13)) : ((10 - WrapperStruct00.var_1_14))))))) && (((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_20 / WrapperStruct00.var_1_16)) == WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 >= last_1_WrapperStruct00_var_1_15) ? (WrapperStruct00.var_1_15 == ((double) (WrapperStruct00.var_1_17 - (((((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) < (9.9999999999995E12)) ? ((WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) : (9.9999999999995E12)))))) : (WrapperStruct00.var_1_15 == ((double) ((((WrapperStruct00.var_1_17) < ((5.75 + WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_17) : ((5.75 + WrapperStruct00.var_1_19))))))) : 1)) && (WrapperStruct00.var_1_20 == ((double) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_21 == ((signed char) 1))) && (WrapperStruct00.var_1_22 == ((unsigned short int) 10)) ; [L128] RET, EXPR property() [L128] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_15=1282/5, last_1_WrapperStruct00_var_1_1=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 128 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 8, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 411 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 410 mSDsluCounter, 3695 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2618 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1160 IncrementalHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 1077 mSDtfsCounter, 1160 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 966 GetRequests, 902 SyntacticMatches, 10 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=7, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 7 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1945 NumberOfCodeBlocks, 1945 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1932 ConstructedInterpolants, 0 QuantifiedInterpolants, 3772 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2795 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 6781/7072 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: unable to determine feasibility of some traces [2024-11-22 13:10:15,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8a6b1e16ae829d5686c91b3f759f297edb0ae10a608027b90b675b6283e6173a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 13:10:16,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 13:10:16,879 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-22 13:10:16,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 13:10:16,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 13:10:16,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 13:10:16,905 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 13:10:16,905 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 13:10:16,906 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 13:10:16,906 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 13:10:16,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 13:10:16,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 13:10:16,907 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 13:10:16,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 13:10:16,910 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 13:10:16,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 13:10:16,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 13:10:16,911 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 13:10:16,912 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 13:10:16,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 13:10:16,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 13:10:16,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 13:10:16,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 13:10:16,913 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 13:10:16,914 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 13:10:16,914 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 13:10:16,914 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 13:10:16,914 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 13:10:16,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 13:10:16,915 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 13:10:16,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 13:10:16,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 13:10:16,915 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 13:10:16,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 13:10:16,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 13:10:16,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 13:10:16,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 13:10:16,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 13:10:16,916 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 13:10:16,916 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 13:10:16,917 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 13:10:16,917 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 13:10:16,918 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 13:10:16,918 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 13:10:16,918 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a6b1e16ae829d5686c91b3f759f297edb0ae10a608027b90b675b6283e6173a [2024-11-22 13:10:17,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 13:10:17,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 13:10:17,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 13:10:17,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 13:10:17,191 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 13:10:17,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i [2024-11-22 13:10:18,426 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 13:10:18,610 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 13:10:18,611 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i [2024-11-22 13:10:18,620 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86feee26c/aee923761ada4877ab359984bb949169/FLAG3811c13de [2024-11-22 13:10:18,633 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86feee26c/aee923761ada4877ab359984bb949169 [2024-11-22 13:10:18,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 13:10:18,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 13:10:18,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 13:10:18,638 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 13:10:18,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 13:10:18,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:10:18" (1/1) ... [2024-11-22 13:10:18,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72727372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:18, skipping insertion in model container [2024-11-22 13:10:18,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:10:18" (1/1) ... [2024-11-22 13:10:18,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 13:10:18,832 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i[916,929] [2024-11-22 13:10:18,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 13:10:18,887 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 13:10:18,897 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-72.i[916,929] [2024-11-22 13:10:18,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 13:10:18,970 INFO L204 MainTranslator]: Completed translation [2024-11-22 13:10:18,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:18 WrapperNode [2024-11-22 13:10:18,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 13:10:18,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 13:10:18,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 13:10:18,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 13:10:18,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:18" (1/1) ... [2024-11-22 13:10:18,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:18" (1/1) ... [2024-11-22 13:10:19,036 INFO L138 Inliner]: procedures = 40, calls = 167, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 532 [2024-11-22 13:10:19,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 13:10:19,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 13:10:19,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 13:10:19,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 13:10:19,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:18" (1/1) ... [2024-11-22 13:10:19,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:18" (1/1) ... [2024-11-22 13:10:19,058 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:18" (1/1) ... [2024-11-22 13:10:19,085 INFO L175 MemorySlicer]: Split 139 memory accesses to 2 slices as follows [2, 137]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 36 writes are split as follows [0, 36]. [2024-11-22 13:10:19,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:18" (1/1) ... [2024-11-22 13:10:19,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:18" (1/1) ... [2024-11-22 13:10:19,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:18" (1/1) ... [2024-11-22 13:10:19,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:18" (1/1) ... [2024-11-22 13:10:19,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:18" (1/1) ... [2024-11-22 13:10:19,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:18" (1/1) ... [2024-11-22 13:10:19,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 13:10:19,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 13:10:19,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 13:10:19,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 13:10:19,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:18" (1/1) ... [2024-11-22 13:10:19,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 13:10:19,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 13:10:19,162 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 13:10:19,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 13:10:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 13:10:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-22 13:10:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-22 13:10:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2024-11-22 13:10:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2024-11-22 13:10:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-22 13:10:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-22 13:10:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-22 13:10:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-22 13:10:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 13:10:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-22 13:10:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-22 13:10:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-22 13:10:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-22 13:10:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-22 13:10:19,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-22 13:10:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-22 13:10:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-22 13:10:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-22 13:10:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-22 13:10:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-22 13:10:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-22 13:10:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-22 13:10:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-22 13:10:19,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-22 13:10:19,204 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 13:10:19,204 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 13:10:19,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-22 13:10:19,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-22 13:10:19,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 13:10:19,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 13:10:19,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-22 13:10:19,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-22 13:10:19,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-22 13:10:19,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-22 13:10:19,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-22 13:10:19,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-22 13:10:19,329 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 13:10:19,331 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 13:10:50,250 INFO L? ?]: Removed 146 outVars from TransFormulas that were not future-live. [2024-11-22 13:10:50,251 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 13:10:50,269 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 13:10:50,270 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 13:10:50,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:10:50 BoogieIcfgContainer [2024-11-22 13:10:50,270 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 13:10:50,271 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 13:10:50,271 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 13:10:50,274 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 13:10:50,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:10:18" (1/3) ... [2024-11-22 13:10:50,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac895fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:10:50, skipping insertion in model container [2024-11-22 13:10:50,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:10:18" (2/3) ... [2024-11-22 13:10:50,276 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac895fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:10:50, skipping insertion in model container [2024-11-22 13:10:50,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:10:50" (3/3) ... [2024-11-22 13:10:50,277 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-72.i [2024-11-22 13:10:50,289 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 13:10:50,290 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 13:10:50,345 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 13:10:50,350 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@6433b391, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 13:10:50,350 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 13:10:50,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 108 states have (on average 1.4166666666666667) internal successors, (153), 109 states have internal predecessors, (153), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:10:50,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-22 13:10:50,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:50,364 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:50,365 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:50,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:50,369 INFO L85 PathProgramCache]: Analyzing trace with hash 2040100048, now seen corresponding path program 1 times [2024-11-22 13:10:50,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:10:50,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1940269432] [2024-11-22 13:10:50,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:50,380 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:10:50,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:10:50,381 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:10:50,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-22 13:10:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:51,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 13:10:51,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:10:51,626 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2024-11-22 13:10:51,627 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:10:51,628 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:10:51,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1940269432] [2024-11-22 13:10:51,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1940269432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:10:51,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:10:51,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 13:10:51,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26801855] [2024-11-22 13:10:51,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:10:51,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 13:10:51,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:10:51,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 13:10:51,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 13:10:51,653 INFO L87 Difference]: Start difference. First operand has 128 states, 108 states have (on average 1.4166666666666667) internal successors, (153), 109 states have internal predecessors, (153), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 13:10:51,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:10:51,677 INFO L93 Difference]: Finished difference Result 249 states and 385 transitions. [2024-11-22 13:10:51,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 13:10:51,679 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 149 [2024-11-22 13:10:51,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:10:51,684 INFO L225 Difference]: With dead ends: 249 [2024-11-22 13:10:51,684 INFO L226 Difference]: Without dead ends: 124 [2024-11-22 13:10:51,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 13:10:51,689 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:10:51,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 13:10:51,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-22 13:10:51,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-22 13:10:51,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 105 states have (on average 1.3904761904761904) internal successors, (146), 105 states have internal predecessors, (146), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:10:51,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 180 transitions. [2024-11-22 13:10:51,719 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 180 transitions. Word has length 149 [2024-11-22 13:10:51,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:10:51,720 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 180 transitions. [2024-11-22 13:10:51,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 13:10:51,720 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 180 transitions. [2024-11-22 13:10:51,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-22 13:10:51,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:51,722 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:51,751 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-22 13:10:51,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:10:51,923 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:51,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:51,924 INFO L85 PathProgramCache]: Analyzing trace with hash -539010118, now seen corresponding path program 1 times [2024-11-22 13:10:51,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:10:51,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [559662690] [2024-11-22 13:10:51,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:51,925 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:10:51,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:10:51,929 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:10:51,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-22 13:10:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:53,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 13:10:53,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:10:53,245 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:10:53,245 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:10:53,245 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:10:53,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [559662690] [2024-11-22 13:10:53,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [559662690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:10:53,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:10:53,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 13:10:53,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746073075] [2024-11-22 13:10:53,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:10:53,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 13:10:53,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:10:53,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 13:10:53,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:10:53,248 INFO L87 Difference]: Start difference. First operand 124 states and 180 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:53,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:10:53,486 INFO L93 Difference]: Finished difference Result 247 states and 360 transitions. [2024-11-22 13:10:53,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 13:10:53,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2024-11-22 13:10:53,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:10:53,488 INFO L225 Difference]: With dead ends: 247 [2024-11-22 13:10:53,488 INFO L226 Difference]: Without dead ends: 126 [2024-11-22 13:10:53,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 13:10:53,489 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 13:10:53,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 523 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 13:10:53,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-22 13:10:53,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-22 13:10:53,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 107 states have (on average 1.3831775700934579) internal successors, (148), 107 states have internal predecessors, (148), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:10:53,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 182 transitions. [2024-11-22 13:10:53,500 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 182 transitions. Word has length 149 [2024-11-22 13:10:53,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:10:53,501 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 182 transitions. [2024-11-22 13:10:53,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:53,501 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 182 transitions. [2024-11-22 13:10:53,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-22 13:10:53,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:53,504 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:53,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-22 13:10:53,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:10:53,705 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:53,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:53,705 INFO L85 PathProgramCache]: Analyzing trace with hash 129747173, now seen corresponding path program 1 times [2024-11-22 13:10:53,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:10:53,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [262853485] [2024-11-22 13:10:53,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:53,706 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:10:53,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:10:53,708 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:10:53,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-22 13:10:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:54,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 13:10:54,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:10:55,157 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:10:55,160 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:10:55,160 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:10:55,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [262853485] [2024-11-22 13:10:55,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [262853485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:10:55,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:10:55,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 13:10:55,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47157400] [2024-11-22 13:10:55,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:10:55,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 13:10:55,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:10:55,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 13:10:55,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:10:55,162 INFO L87 Difference]: Start difference. First operand 126 states and 182 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:55,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:10:55,682 INFO L93 Difference]: Finished difference Result 256 states and 371 transitions. [2024-11-22 13:10:55,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 13:10:55,683 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-11-22 13:10:55,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:10:55,685 INFO L225 Difference]: With dead ends: 256 [2024-11-22 13:10:55,685 INFO L226 Difference]: Without dead ends: 133 [2024-11-22 13:10:55,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:10:55,686 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 1 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 13:10:55,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 844 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 13:10:55,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-22 13:10:55,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 132. [2024-11-22 13:10:55,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 113 states have (on average 1.3628318584070795) internal successors, (154), 113 states have internal predecessors, (154), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:10:55,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 188 transitions. [2024-11-22 13:10:55,710 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 188 transitions. Word has length 151 [2024-11-22 13:10:55,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:10:55,710 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 188 transitions. [2024-11-22 13:10:55,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:55,711 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 188 transitions. [2024-11-22 13:10:55,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-22 13:10:55,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:55,712 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:55,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-22 13:10:55,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:10:55,913 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:55,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:55,914 INFO L85 PathProgramCache]: Analyzing trace with hash 809805543, now seen corresponding path program 1 times [2024-11-22 13:10:55,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:10:55,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884536917] [2024-11-22 13:10:55,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:55,914 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:10:55,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:10:55,917 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:10:55,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-22 13:10:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:56,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 13:10:56,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:10:57,421 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:10:57,421 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:10:57,422 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:10:57,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884536917] [2024-11-22 13:10:57,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884536917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:10:57,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:10:57,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 13:10:57,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364589164] [2024-11-22 13:10:57,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:10:57,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 13:10:57,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:10:57,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 13:10:57,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-22 13:10:57,424 INFO L87 Difference]: Start difference. First operand 132 states and 188 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:58,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:10:58,446 INFO L93 Difference]: Finished difference Result 264 states and 377 transitions. [2024-11-22 13:10:58,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 13:10:58,448 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-11-22 13:10:58,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:10:58,449 INFO L225 Difference]: With dead ends: 264 [2024-11-22 13:10:58,449 INFO L226 Difference]: Without dead ends: 135 [2024-11-22 13:10:58,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-22 13:10:58,450 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 1 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-22 13:10:58,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1001 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-22 13:10:58,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-22 13:10:58,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 134. [2024-11-22 13:10:58,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 115 states have (on average 1.3565217391304347) internal successors, (156), 115 states have internal predecessors, (156), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:10:58,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 190 transitions. [2024-11-22 13:10:58,456 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 190 transitions. Word has length 151 [2024-11-22 13:10:58,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:10:58,457 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 190 transitions. [2024-11-22 13:10:58,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:10:58,457 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2024-11-22 13:10:58,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-22 13:10:58,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:10:58,459 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:10:58,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-22 13:10:58,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:10:58,659 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:10:58,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:10:58,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1710154391, now seen corresponding path program 1 times [2024-11-22 13:10:58,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:10:58,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [839403738] [2024-11-22 13:10:58,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:10:58,661 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:10:58,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:10:58,663 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:10:58,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-22 13:10:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:10:59,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 13:10:59,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:11:00,459 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-22 13:11:00,459 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:11:00,459 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:11:00,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [839403738] [2024-11-22 13:11:00,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [839403738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:00,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:00,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 13:11:00,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657760921] [2024-11-22 13:11:00,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:00,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 13:11:00,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:11:00,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 13:11:00,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 13:11:00,461 INFO L87 Difference]: Start difference. First operand 134 states and 190 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:11:01,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 13:11:01,353 INFO L93 Difference]: Finished difference Result 268 states and 381 transitions. [2024-11-22 13:11:01,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 13:11:01,353 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 151 [2024-11-22 13:11:01,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 13:11:01,355 INFO L225 Difference]: With dead ends: 268 [2024-11-22 13:11:01,355 INFO L226 Difference]: Without dead ends: 137 [2024-11-22 13:11:01,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-22 13:11:01,356 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 1 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1160 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 13:11:01,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1160 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 13:11:01,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-22 13:11:01,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 136. [2024-11-22 13:11:01,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 117 states have (on average 1.3504273504273505) internal successors, (158), 117 states have internal predecessors, (158), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-22 13:11:01,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 192 transitions. [2024-11-22 13:11:01,369 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 192 transitions. Word has length 151 [2024-11-22 13:11:01,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 13:11:01,370 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 192 transitions. [2024-11-22 13:11:01,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-22 13:11:01,370 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 192 transitions. [2024-11-22 13:11:01,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-22 13:11:01,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 13:11:01,371 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 13:11:01,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-22 13:11:01,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:01,577 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 13:11:01,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 13:11:01,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1708307349, now seen corresponding path program 1 times [2024-11-22 13:11:01,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 13:11:01,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [863254391] [2024-11-22 13:11:01,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 13:11:01,578 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-22 13:11:01,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 13:11:01,579 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-22 13:11:01,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-22 13:11:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 13:11:02,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 13:11:02,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 13:11:04,802 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-22 13:11:04,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-11-22 13:11:05,021 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-11-22 13:11:05,022 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 13:11:05,022 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 13:11:05,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [863254391] [2024-11-22 13:11:05,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [863254391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 13:11:05,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 13:11:05,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 13:11:05,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475224742] [2024-11-22 13:11:05,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 13:11:05,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 13:11:05,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 13:11:05,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 13:11:05,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-22 13:11:05,025 INFO L87 Difference]: Start difference. First operand 136 states and 192 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-22 13:11:12,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-22 13:11:16,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-22 13:11:20,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-22 13:11:24,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:11:28,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:11:32,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:11:36,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 13:11:40,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []