./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_fillercode_fillercodestructure_filler-ps-ci_file-45.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 bcba96e12d465ba8f2cd356f8297b415f9e65918ebe10de52c572e6fb77ffa7c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 06:00:01,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 06:00:01,607 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 06:00:01,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 06:00:01,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 06:00:01,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 06:00:01,651 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 06:00:01,652 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 06:00:01,652 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 06:00:01,653 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 06:00:01,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 06:00:01,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 06:00:01,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 06:00:01,654 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 06:00:01,655 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 06:00:01,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 06:00:01,656 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 06:00:01,656 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 06:00:01,656 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 06:00:01,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 06:00:01,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 06:00:01,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 06:00:01,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 06:00:01,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 06:00:01,662 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 06:00:01,662 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 06:00:01,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 06:00:01,663 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 06:00:01,663 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 06:00:01,664 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 06:00:01,664 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 06:00:01,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 06:00:01,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:00:01,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 06:00:01,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 06:00:01,667 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 06:00:01,667 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 06:00:01,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 06:00:01,668 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 06:00:01,668 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 06:00:01,668 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 06:00:01,669 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 06:00:01,669 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bcba96e12d465ba8f2cd356f8297b415f9e65918ebe10de52c572e6fb77ffa7c [2024-11-10 06:00:01,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 06:00:02,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 06:00:02,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 06:00:02,010 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 06:00:02,010 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 06:00:02,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-45.i [2024-11-10 06:00:03,656 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 06:00:03,879 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 06:00:03,881 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-45.i [2024-11-10 06:00:03,895 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70db5ae10/6cf3776c797d41469a70eb59ed59a597/FLAGc636ff1b2 [2024-11-10 06:00:03,909 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70db5ae10/6cf3776c797d41469a70eb59ed59a597 [2024-11-10 06:00:03,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 06:00:03,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 06:00:03,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 06:00:03,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 06:00:03,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 06:00:03,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:00:03" (1/1) ... [2024-11-10 06:00:03,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2335942e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:03, skipping insertion in model container [2024-11-10 06:00:03,922 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:00:03" (1/1) ... [2024-11-10 06:00:03,957 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 06:00:04,144 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_fillercode_fillercodestructure_filler-ps-ci_file-45.i[919,932] [2024-11-10 06:00:04,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:00:04,273 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 06:00:04,296 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_fillercode_fillercodestructure_filler-ps-ci_file-45.i[919,932] [2024-11-10 06:00:04,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:00:04,382 INFO L204 MainTranslator]: Completed translation [2024-11-10 06:00:04,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04 WrapperNode [2024-11-10 06:00:04,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 06:00:04,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 06:00:04,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 06:00:04,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 06:00:04,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2024-11-10 06:00:04,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2024-11-10 06:00:04,442 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2024-11-10 06:00:04,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 06:00:04,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 06:00:04,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 06:00:04,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 06:00:04,457 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2024-11-10 06:00:04,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2024-11-10 06:00:04,460 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2024-11-10 06:00:04,482 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 06:00:04,482 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2024-11-10 06:00:04,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2024-11-10 06:00:04,491 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2024-11-10 06:00:04,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2024-11-10 06:00:04,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2024-11-10 06:00:04,496 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2024-11-10 06:00:04,502 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 06:00:04,503 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 06:00:04,503 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 06:00:04,503 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 06:00:04,507 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (1/1) ... [2024-11-10 06:00:04,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:00:04,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:00:04,544 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) [2024-11-10 06:00:04,550 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 [2024-11-10 06:00:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 06:00:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 06:00:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 06:00:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 06:00:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 06:00:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 06:00:04,693 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 06:00:04,696 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 06:00:05,134 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-10 06:00:05,135 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 06:00:05,151 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 06:00:05,152 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 06:00:05,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:00:05 BoogieIcfgContainer [2024-11-10 06:00:05,153 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 06:00:05,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 06:00:05,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 06:00:05,162 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 06:00:05,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:00:03" (1/3) ... [2024-11-10 06:00:05,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96c61d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:00:05, skipping insertion in model container [2024-11-10 06:00:05,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:04" (2/3) ... [2024-11-10 06:00:05,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96c61d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:00:05, skipping insertion in model container [2024-11-10 06:00:05,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:00:05" (3/3) ... [2024-11-10 06:00:05,168 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-45.i [2024-11-10 06:00:05,186 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 06:00:05,186 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 06:00:05,264 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 06:00:05,272 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;@1e527587, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 06:00:05,273 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 06:00:05,278 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 60 states have internal predecessors, (83), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 06:00:05,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-10 06:00:05,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:00:05,294 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:00:05,294 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:00:05,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:00:05,300 INFO L85 PathProgramCache]: Analyzing trace with hash -35695971, now seen corresponding path program 1 times [2024-11-10 06:00:05,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:00:05,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121528579] [2024-11-10 06:00:05,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:00:05,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:00:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:00:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:00:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:00:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:00:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:00:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:00:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:00:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:00:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:00:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:00:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:00:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:00:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:00:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:00:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:00:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:00:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:00:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 06:00:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 06:00:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 06:00:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 06:00:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 06:00:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-10 06:00:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 06:00:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 06:00:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 06:00:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:05,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 06:00:05,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:00:05,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121528579] [2024-11-10 06:00:05,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121528579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:00:05,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:00:05,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 06:00:05,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513653614] [2024-11-10 06:00:05,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:00:05,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 06:00:05,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:00:05,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 06:00:05,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:00:05,933 INFO L87 Difference]: Start difference. First operand has 88 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 60 states have internal predecessors, (83), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 06:00:05,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:00:05,979 INFO L93 Difference]: Finished difference Result 168 states and 289 transitions. [2024-11-10 06:00:05,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 06:00:05,983 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 175 [2024-11-10 06:00:05,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:00:05,993 INFO L225 Difference]: With dead ends: 168 [2024-11-10 06:00:05,993 INFO L226 Difference]: Without dead ends: 83 [2024-11-10 06:00:05,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:00:06,005 INFO L432 NwaCegarLoop]: 126 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, 126 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 [2024-11-10 06:00:06,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:00:06,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-10 06:00:06,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-10 06:00:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 55 states have (on average 1.3454545454545455) internal successors, (74), 55 states have internal predecessors, (74), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 06:00:06,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 126 transitions. [2024-11-10 06:00:06,076 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 126 transitions. Word has length 175 [2024-11-10 06:00:06,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:00:06,077 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 126 transitions. [2024-11-10 06:00:06,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 06:00:06,078 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 126 transitions. [2024-11-10 06:00:06,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-10 06:00:06,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:00:06,084 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:00:06,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 06:00:06,084 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:00:06,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:00:06,085 INFO L85 PathProgramCache]: Analyzing trace with hash 358216547, now seen corresponding path program 1 times [2024-11-10 06:00:06,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:00:06,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765186449] [2024-11-10 06:00:06,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:00:06,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:00:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:00:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:00:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:00:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:00:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:00:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:00:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:00:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:00:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:00:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:00:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:00:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:00:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:00:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:00:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:00:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:00:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:00:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 06:00:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 06:00:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 06:00:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 06:00:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 06:00:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-10 06:00:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 06:00:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 06:00:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 06:00:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 06:00:06,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:00:06,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765186449] [2024-11-10 06:00:06,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765186449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:00:06,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:00:06,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:00:06,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815548857] [2024-11-10 06:00:06,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:00:06,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:00:06,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:00:06,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:00:06,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:00:06,581 INFO L87 Difference]: Start difference. First operand 83 states and 126 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 06:00:06,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:00:06,630 INFO L93 Difference]: Finished difference Result 194 states and 295 transitions. [2024-11-10 06:00:06,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:00:06,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 175 [2024-11-10 06:00:06,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:00:06,637 INFO L225 Difference]: With dead ends: 194 [2024-11-10 06:00:06,637 INFO L226 Difference]: Without dead ends: 114 [2024-11-10 06:00:06,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:00:06,640 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 39 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:00:06,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 240 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:00:06,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-10 06:00:06,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 92. [2024-11-10 06:00:06,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 64 states have (on average 1.390625) internal successors, (89), 64 states have internal predecessors, (89), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 06:00:06,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 141 transitions. [2024-11-10 06:00:06,671 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 141 transitions. Word has length 175 [2024-11-10 06:00:06,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:00:06,675 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 141 transitions. [2024-11-10 06:00:06,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 06:00:06,675 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 141 transitions. [2024-11-10 06:00:06,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-10 06:00:06,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:00:06,682 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:00:06,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 06:00:06,683 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:00:06,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:00:06,684 INFO L85 PathProgramCache]: Analyzing trace with hash -147342078, now seen corresponding path program 1 times [2024-11-10 06:00:06,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:00:06,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872067344] [2024-11-10 06:00:06,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:00:06,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:00:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:00:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:00:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:00:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:00:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:00:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:00:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:00:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:00:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:00:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:00:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:00:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:00:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:00:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:00:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:00:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:00:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:00:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 06:00:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 06:00:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 06:00:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:06,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 06:00:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:07,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 06:00:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:07,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-10 06:00:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:07,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 06:00:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:07,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 06:00:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:07,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 06:00:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:07,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 06:00:07,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:00:07,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872067344] [2024-11-10 06:00:07,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872067344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:00:07,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:00:07,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:00:07,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800327178] [2024-11-10 06:00:07,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:00:07,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:00:07,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:00:07,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:00:07,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:00:07,052 INFO L87 Difference]: Start difference. First operand 92 states and 141 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 06:00:07,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:00:07,139 INFO L93 Difference]: Finished difference Result 267 states and 411 transitions. [2024-11-10 06:00:07,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:00:07,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 175 [2024-11-10 06:00:07,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:00:07,146 INFO L225 Difference]: With dead ends: 267 [2024-11-10 06:00:07,149 INFO L226 Difference]: Without dead ends: 178 [2024-11-10 06:00:07,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:00:07,154 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 115 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:00:07,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 232 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:00:07,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-10 06:00:07,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 175. [2024-11-10 06:00:07,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 120 states have (on average 1.3666666666666667) internal successors, (164), 120 states have internal predecessors, (164), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 06:00:07,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 268 transitions. [2024-11-10 06:00:07,192 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 268 transitions. Word has length 175 [2024-11-10 06:00:07,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:00:07,196 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 268 transitions. [2024-11-10 06:00:07,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 06:00:07,197 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 268 transitions. [2024-11-10 06:00:07,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 06:00:07,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:00:07,202 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:00:07,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 06:00:07,203 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:00:07,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:00:07,204 INFO L85 PathProgramCache]: Analyzing trace with hash 702661635, now seen corresponding path program 1 times [2024-11-10 06:00:07,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:00:07,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852436061] [2024-11-10 06:00:07,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:00:07,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:00:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:00:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:00:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:00:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:00:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:00:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:00:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:00:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:00:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:00:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:00:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:00:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:00:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:00:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:00:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:00:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:00:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:00:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 06:00:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 06:00:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 06:00:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 06:00:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 06:00:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-10 06:00:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 06:00:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 06:00:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 06:00:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:24,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 06:00:24,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:00:24,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852436061] [2024-11-10 06:00:24,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852436061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:00:24,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:00:24,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:00:24,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931670940] [2024-11-10 06:00:24,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:00:24,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 06:00:24,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:00:24,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 06:00:24,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:00:24,797 INFO L87 Difference]: Start difference. First operand 175 states and 268 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 06:00:25,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:00:25,588 INFO L93 Difference]: Finished difference Result 476 states and 706 transitions. [2024-11-10 06:00:25,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 06:00:25,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176 [2024-11-10 06:00:25,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:00:25,594 INFO L225 Difference]: With dead ends: 476 [2024-11-10 06:00:25,594 INFO L226 Difference]: Without dead ends: 304 [2024-11-10 06:00:25,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:00:25,597 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 84 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 06:00:25,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 405 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 06:00:25,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-10 06:00:25,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 249. [2024-11-10 06:00:25,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 176 states have (on average 1.3352272727272727) internal successors, (235), 178 states have internal predecessors, (235), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 66 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-10 06:00:25,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 371 transitions. [2024-11-10 06:00:25,673 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 371 transitions. Word has length 176 [2024-11-10 06:00:25,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:00:25,675 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 371 transitions. [2024-11-10 06:00:25,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 06:00:25,675 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 371 transitions. [2024-11-10 06:00:25,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 06:00:25,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:00:25,678 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:00:25,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 06:00:25,678 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:00:25,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:00:25,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1104792828, now seen corresponding path program 1 times [2024-11-10 06:00:25,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:00:25,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812535809] [2024-11-10 06:00:25,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:00:25,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:00:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:00:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:00:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:00:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:00:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:00:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:00:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:00:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:00:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:00:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:00:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:00:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:00:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:00:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:00:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:00:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:00:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:00:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 06:00:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 06:00:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 06:00:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 06:00:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 06:00:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-10 06:00:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 06:00:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 06:00:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 06:00:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:27,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 06:00:27,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:00:27,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812535809] [2024-11-10 06:00:27,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812535809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:00:27,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:00:27,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:00:27,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255100919] [2024-11-10 06:00:27,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:00:27,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 06:00:27,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:00:27,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 06:00:27,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:00:27,661 INFO L87 Difference]: Start difference. First operand 249 states and 371 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 06:00:28,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:00:28,041 INFO L93 Difference]: Finished difference Result 550 states and 808 transitions. [2024-11-10 06:00:28,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 06:00:28,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176 [2024-11-10 06:00:28,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:00:28,045 INFO L225 Difference]: With dead ends: 550 [2024-11-10 06:00:28,045 INFO L226 Difference]: Without dead ends: 304 [2024-11-10 06:00:28,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:00:28,047 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 81 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 06:00:28,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 343 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 06:00:28,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-10 06:00:28,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 244. [2024-11-10 06:00:28,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 171 states have (on average 1.3333333333333333) internal successors, (228), 173 states have internal predecessors, (228), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 66 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-10 06:00:28,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 364 transitions. [2024-11-10 06:00:28,108 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 364 transitions. Word has length 176 [2024-11-10 06:00:28,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:00:28,109 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 364 transitions. [2024-11-10 06:00:28,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 06:00:28,110 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 364 transitions. [2024-11-10 06:00:28,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 06:00:28,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:00:28,112 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:00:28,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 06:00:28,112 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:00:28,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:00:28,113 INFO L85 PathProgramCache]: Analyzing trace with hash 192127458, now seen corresponding path program 1 times [2024-11-10 06:00:28,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:00:28,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741826666] [2024-11-10 06:00:28,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:00:28,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:00:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:00:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:00:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:00:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:00:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:00:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:00:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:00:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:00:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:00:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:00:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:00:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:00:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:00:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:00:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:00:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:00:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:00:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 06:00:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 06:00:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 06:00:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 06:00:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 06:00:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-10 06:00:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 06:00:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 06:00:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 06:00:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:36,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 06:00:36,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:00:36,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741826666] [2024-11-10 06:00:36,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741826666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:00:36,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:00:36,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:00:36,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003655683] [2024-11-10 06:00:36,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:00:36,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 06:00:36,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:00:36,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 06:00:36,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:00:36,078 INFO L87 Difference]: Start difference. First operand 244 states and 364 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 06:00:36,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:00:36,966 INFO L93 Difference]: Finished difference Result 573 states and 839 transitions. [2024-11-10 06:00:36,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 06:00:36,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176 [2024-11-10 06:00:36,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:00:36,974 INFO L225 Difference]: With dead ends: 573 [2024-11-10 06:00:36,975 INFO L226 Difference]: Without dead ends: 332 [2024-11-10 06:00:36,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:00:36,977 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 87 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 06:00:36,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 516 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 06:00:36,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-10 06:00:37,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 322. [2024-11-10 06:00:37,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 217 states have (on average 1.2764976958525345) internal successors, (277), 222 states have internal predecessors, (277), 96 states have call successors, (96), 8 states have call predecessors, (96), 8 states have return successors, (96), 91 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-10 06:00:37,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 469 transitions. [2024-11-10 06:00:37,061 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 469 transitions. Word has length 176 [2024-11-10 06:00:37,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:00:37,062 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 469 transitions. [2024-11-10 06:00:37,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 06:00:37,062 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 469 transitions. [2024-11-10 06:00:37,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 06:00:37,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:00:37,065 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:00:37,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 06:00:37,065 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:00:37,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:00:37,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1615327005, now seen corresponding path program 1 times [2024-11-10 06:00:37,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:00:37,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057020838] [2024-11-10 06:00:37,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:00:37,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:00:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:00:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:00:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:00:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:00:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:00:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:00:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:00:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:00:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:00:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:00:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:00:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:00:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:00:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:00:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:00:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:00:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:00:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 06:00:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 06:00:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 06:00:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 06:00:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 06:00:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-10 06:00:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 06:00:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 06:00:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 06:00:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 06:00:38,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:00:38,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057020838] [2024-11-10 06:00:38,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057020838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:00:38,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:00:38,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:00:38,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429834753] [2024-11-10 06:00:38,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:00:38,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 06:00:38,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:00:38,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 06:00:38,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:00:38,154 INFO L87 Difference]: Start difference. First operand 322 states and 469 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 06:00:38,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:00:38,525 INFO L93 Difference]: Finished difference Result 645 states and 927 transitions. [2024-11-10 06:00:38,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 06:00:38,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176 [2024-11-10 06:00:38,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:00:38,529 INFO L225 Difference]: With dead ends: 645 [2024-11-10 06:00:38,529 INFO L226 Difference]: Without dead ends: 340 [2024-11-10 06:00:38,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:00:38,531 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 86 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 06:00:38,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 450 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 06:00:38,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-10 06:00:38,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 280. [2024-11-10 06:00:38,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 191 states have (on average 1.293193717277487) internal successors, (247), 194 states have internal predecessors, (247), 80 states have call successors, (80), 8 states have call predecessors, (80), 8 states have return successors, (80), 77 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-10 06:00:38,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 407 transitions. [2024-11-10 06:00:38,591 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 407 transitions. Word has length 176 [2024-11-10 06:00:38,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:00:38,592 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 407 transitions. [2024-11-10 06:00:38,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 06:00:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 407 transitions. [2024-11-10 06:00:38,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 06:00:38,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:00:38,595 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:00:38,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 06:00:38,595 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:00:38,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:00:38,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1960574667, now seen corresponding path program 1 times [2024-11-10 06:00:38,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:00:38,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833396146] [2024-11-10 06:00:38,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:00:38,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:00:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:00:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:00:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:00:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:00:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:00:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:00:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:00:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:00:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:00:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:00:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:00:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:00:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:00:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:00:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:00:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 06:00:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 06:00:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 06:00:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 06:00:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 06:00:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 06:00:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-10 06:00:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-10 06:00:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 06:00:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-10 06:00:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 06:00:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:38,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 06:00:38,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:00:38,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833396146] [2024-11-10 06:00:38,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833396146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:00:38,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:00:38,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 06:00:38,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334703819] [2024-11-10 06:00:38,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:00:38,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 06:00:38,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:00:38,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 06:00:38,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 06:00:38,905 INFO L87 Difference]: Start difference. First operand 280 states and 407 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 06:00:39,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:00:39,195 INFO L93 Difference]: Finished difference Result 848 states and 1212 transitions. [2024-11-10 06:00:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 06:00:39,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2024-11-10 06:00:39,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:00:39,204 INFO L225 Difference]: With dead ends: 848 [2024-11-10 06:00:39,204 INFO L226 Difference]: Without dead ends: 585 [2024-11-10 06:00:39,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:00:39,207 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 122 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:00:39,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 330 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:00:39,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-11-10 06:00:39,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 576. [2024-11-10 06:00:39,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 403 states have (on average 1.28287841191067) internal successors, (517), 412 states have internal predecessors, (517), 152 states have call successors, (152), 20 states have call predecessors, (152), 20 states have return successors, (152), 143 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-10 06:00:39,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 821 transitions. [2024-11-10 06:00:39,365 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 821 transitions. Word has length 177 [2024-11-10 06:00:39,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:00:39,365 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 821 transitions. [2024-11-10 06:00:39,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 06:00:39,366 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 821 transitions. [2024-11-10 06:00:39,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 06:00:39,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:00:39,368 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:00:39,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 06:00:39,368 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:00:39,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:00:39,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1254343811, now seen corresponding path program 1 times [2024-11-10 06:00:39,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:00:39,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481939214] [2024-11-10 06:00:39,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:00:39,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:00:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat