./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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_loopvsstraightlinecode_100-1loop_file-89.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 f82b1bd76fed9dc2b7576bdbecd15d72b4daeed5c8799ebaded7a999f084df22 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 05:04:41,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 05:04:41,884 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 05:04:41,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 05:04:41,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 05:04:41,923 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 05:04:41,923 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 05:04:41,924 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 05:04:41,924 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 05:04:41,925 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 05:04:41,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 05:04:41,926 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 05:04:41,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 05:04:41,928 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 05:04:41,929 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 05:04:41,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 05:04:41,929 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 05:04:41,930 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 05:04:41,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 05:04:41,930 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 05:04:41,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 05:04:41,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 05:04:41,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 05:04:41,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 05:04:41,933 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 05:04:41,946 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 05:04:41,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 05:04:41,947 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 05:04:41,947 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 05:04:41,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 05:04:41,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 05:04:41,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 05:04:41,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 05:04:41,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 05:04:41,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 05:04:41,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 05:04:41,948 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 05:04:41,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 05:04:41,949 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 05:04:41,949 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 05:04:41,951 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 05:04:41,952 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 05:04:41,952 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f82b1bd76fed9dc2b7576bdbecd15d72b4daeed5c8799ebaded7a999f084df22 [2024-11-12 05:04:42,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 05:04:42,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 05:04:42,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 05:04:42,299 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 05:04:42,299 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 05:04:42,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-89.i [2024-11-12 05:04:43,788 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 05:04:44,005 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 05:04:44,006 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-89.i [2024-11-12 05:04:44,018 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4866c967/9712fcbf829c4a47807d2a38a7986c0d/FLAG41286ab59 [2024-11-12 05:04:44,366 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4866c967/9712fcbf829c4a47807d2a38a7986c0d [2024-11-12 05:04:44,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 05:04:44,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 05:04:44,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 05:04:44,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 05:04:44,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 05:04:44,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:04:44" (1/1) ... [2024-11-12 05:04:44,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b736355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:04:44, skipping insertion in model container [2024-11-12 05:04:44,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:04:44" (1/1) ... [2024-11-12 05:04:44,410 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 05:04:44,607 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_loopvsstraightlinecode_100-1loop_file-89.i[916,929] [2024-11-12 05:04:44,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 05:04:44,723 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 05:04:44,733 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_loopvsstraightlinecode_100-1loop_file-89.i[916,929] [2024-11-12 05:04:44,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 05:04:44,818 INFO L204 MainTranslator]: Completed translation [2024-11-12 05:04:44,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:04:44 WrapperNode [2024-11-12 05:04:44,819 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 05:04:44,820 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 05:04:44,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 05:04:44,820 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 05:04:44,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:04:44" (1/1) ... [2024-11-12 05:04:44,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:04:44" (1/1) ... [2024-11-12 05:04:44,924 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 269 [2024-11-12 05:04:44,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 05:04:44,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 05:04:44,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 05:04:44,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 05:04:44,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:04:44" (1/1) ... [2024-11-12 05:04:44,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:04:44" (1/1) ... [2024-11-12 05:04:44,943 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:04:44" (1/1) ... [2024-11-12 05:04:44,974 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]. [2024-11-12 05:04:44,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:04:44" (1/1) ... [2024-11-12 05:04:44,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:04:44" (1/1) ... [2024-11-12 05:04:44,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:04:44" (1/1) ... [2024-11-12 05:04:44,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:04:44" (1/1) ... [2024-11-12 05:04:45,006 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:04:44" (1/1) ... [2024-11-12 05:04:45,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:04:44" (1/1) ... [2024-11-12 05:04:45,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 05:04:45,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 05:04:45,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 05:04:45,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 05:04:45,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:04:44" (1/1) ... [2024-11-12 05:04:45,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 05:04:45,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:04:45,059 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) [2024-11-12 05:04:45,062 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 [2024-11-12 05:04:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 05:04:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 05:04:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 05:04:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 05:04:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 05:04:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 05:04:45,306 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 05:04:45,308 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 05:04:45,893 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-12 05:04:45,894 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 05:04:45,915 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 05:04:45,915 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 05:04:45,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:04:45 BoogieIcfgContainer [2024-11-12 05:04:45,916 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 05:04:45,920 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 05:04:45,920 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 05:04:45,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 05:04:45,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:04:44" (1/3) ... [2024-11-12 05:04:45,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa35dbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:04:45, skipping insertion in model container [2024-11-12 05:04:45,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:04:44" (2/3) ... [2024-11-12 05:04:45,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa35dbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:04:45, skipping insertion in model container [2024-11-12 05:04:45,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:04:45" (3/3) ... [2024-11-12 05:04:45,930 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-89.i [2024-11-12 05:04:45,948 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 05:04:45,948 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 05:04:46,017 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 05:04:46,024 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;@16137ac4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 05:04:46,024 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 05:04:46,031 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 78 states have internal predecessors, (109), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-12 05:04:46,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-12 05:04:46,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:04:46,053 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:04:46,053 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:04:46,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:04:46,062 INFO L85 PathProgramCache]: Analyzing trace with hash 511854322, now seen corresponding path program 1 times [2024-11-12 05:04:46,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:04:46,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497584754] [2024-11-12 05:04:46,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:04:46,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:04:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:04:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:04:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:04:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:04:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:04:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:04:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 05:04:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:04:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 05:04:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 05:04:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 05:04:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 05:04:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 05:04:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:04:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:04:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 05:04:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:04:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:04:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:04:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:04:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:04:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:04:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:04:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:04:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:04:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:04:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:46,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 05:04:46,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:47,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 05:04:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:47,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 05:04:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:47,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 05:04:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:47,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 05:04:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:47,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 05:04:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:47,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:04:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:47,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 05:04:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:47,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:04:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:47,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 05:04:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:47,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 05:04:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:47,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 05:04:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:47,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-12 05:04:47,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:04:47,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497584754] [2024-11-12 05:04:47,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497584754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:04:47,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:04:47,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 05:04:47,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733306034] [2024-11-12 05:04:47,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:04:47,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 05:04:47,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:04:47,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 05:04:47,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 05:04:47,121 INFO L87 Difference]: Start difference. First operand has 118 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 78 states have internal predecessors, (109), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-12 05:04:47,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:04:47,277 INFO L93 Difference]: Finished difference Result 334 states and 601 transitions. [2024-11-12 05:04:47,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 05:04:47,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 238 [2024-11-12 05:04:47,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:04:47,300 INFO L225 Difference]: With dead ends: 334 [2024-11-12 05:04:47,301 INFO L226 Difference]: Without dead ends: 211 [2024-11-12 05:04:47,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 05:04:47,311 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 165 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 05:04:47,312 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 425 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 05:04:47,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-12 05:04:47,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 126. [2024-11-12 05:04:47,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 86 states have (on average 1.3837209302325582) internal successors, (119), 86 states have internal predecessors, (119), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-12 05:04:47,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 195 transitions. [2024-11-12 05:04:47,398 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 195 transitions. Word has length 238 [2024-11-12 05:04:47,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:04:47,413 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 195 transitions. [2024-11-12 05:04:47,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-12 05:04:47,414 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 195 transitions. [2024-11-12 05:04:47,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-11-12 05:04:47,423 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:04:47,423 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:04:47,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 05:04:47,424 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:04:47,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:04:47,425 INFO L85 PathProgramCache]: Analyzing trace with hash -499262928, now seen corresponding path program 1 times [2024-11-12 05:04:47,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:04:47,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709771323] [2024-11-12 05:04:47,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:04:47,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:04:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:04:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:04:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:04:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:04:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:04:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:04:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 05:04:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:04:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 05:04:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 05:04:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 05:04:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 05:04:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 05:04:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:04:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:04:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 05:04:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:04:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:04:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:04:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:04:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:04:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:04:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:04:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:04:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:04:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:04:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 05:04:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 05:04:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 05:04:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 05:04:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 05:04:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 05:04:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:04:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 05:04:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:04:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 05:04:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 05:04:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 05:04:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:48,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-12 05:04:48,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:04:48,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709771323] [2024-11-12 05:04:48,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709771323] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:04:48,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:04:48,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 05:04:48,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725864928] [2024-11-12 05:04:48,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:04:48,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 05:04:48,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:04:48,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 05:04:48,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 05:04:48,415 INFO L87 Difference]: Start difference. First operand 126 states and 195 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-12 05:04:48,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:04:48,948 INFO L93 Difference]: Finished difference Result 440 states and 686 transitions. [2024-11-12 05:04:48,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 05:04:48,951 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 238 [2024-11-12 05:04:48,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:04:48,959 INFO L225 Difference]: With dead ends: 440 [2024-11-12 05:04:48,960 INFO L226 Difference]: Without dead ends: 317 [2024-11-12 05:04:48,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-12 05:04:48,966 INFO L435 NwaCegarLoop]: 268 mSDtfsCounter, 267 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 05:04:48,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 564 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 05:04:48,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-12 05:04:49,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 243. [2024-11-12 05:04:49,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 164 states have (on average 1.3658536585365855) internal successors, (224), 164 states have internal predecessors, (224), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-12 05:04:49,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 376 transitions. [2024-11-12 05:04:49,023 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 376 transitions. Word has length 238 [2024-11-12 05:04:49,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:04:49,025 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 376 transitions. [2024-11-12 05:04:49,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-12 05:04:49,025 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 376 transitions. [2024-11-12 05:04:49,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-12 05:04:49,029 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:04:49,029 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:04:49,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 05:04:49,030 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:04:49,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:04:49,031 INFO L85 PathProgramCache]: Analyzing trace with hash 532264216, now seen corresponding path program 1 times [2024-11-12 05:04:49,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:04:49,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128023385] [2024-11-12 05:04:49,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:04:49,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:04:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:04:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:04:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:04:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:04:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:04:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:04:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 05:04:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:04:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 05:04:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 05:04:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 05:04:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 05:04:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 05:04:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:04:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:04:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 05:04:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:04:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:04:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:04:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:04:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:04:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:04:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:04:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:04:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:04:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:04:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 05:04:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 05:04:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 05:04:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 05:04:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 05:04:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 05:04:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:04:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 05:04:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:04:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 05:04:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 05:04:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 05:04:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:49,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-12 05:04:49,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:04:49,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128023385] [2024-11-12 05:04:49,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128023385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:04:49,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:04:49,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 05:04:49,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233101732] [2024-11-12 05:04:49,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:04:49,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 05:04:49,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:04:50,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 05:04:50,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 05:04:50,002 INFO L87 Difference]: Start difference. First operand 243 states and 376 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-12 05:04:50,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:04:50,262 INFO L93 Difference]: Finished difference Result 643 states and 984 transitions. [2024-11-12 05:04:50,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 05:04:50,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 239 [2024-11-12 05:04:50,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:04:50,270 INFO L225 Difference]: With dead ends: 643 [2024-11-12 05:04:50,270 INFO L226 Difference]: Without dead ends: 403 [2024-11-12 05:04:50,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 05:04:50,273 INFO L435 NwaCegarLoop]: 260 mSDtfsCounter, 255 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 05:04:50,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 406 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 05:04:50,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-12 05:04:50,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 291. [2024-11-12 05:04:50,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 210 states have (on average 1.3761904761904762) internal successors, (289), 210 states have internal predecessors, (289), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-12 05:04:50,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 441 transitions. [2024-11-12 05:04:50,334 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 441 transitions. Word has length 239 [2024-11-12 05:04:50,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:04:50,335 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 441 transitions. [2024-11-12 05:04:50,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-12 05:04:50,336 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 441 transitions. [2024-11-12 05:04:50,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-12 05:04:50,340 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:04:50,340 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:04:50,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 05:04:50,341 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:04:50,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:04:50,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1273174118, now seen corresponding path program 1 times [2024-11-12 05:04:50,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:04:50,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093239042] [2024-11-12 05:04:50,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:04:50,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:04:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:04:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:04:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:04:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:04:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:04:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:04:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 05:04:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:04:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 05:04:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 05:04:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 05:04:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 05:04:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 05:04:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:04:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:04:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 05:04:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:04:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:04:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:04:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:04:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:04:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:04:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:04:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:04:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:04:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:04:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 05:04:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 05:04:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 05:04:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 05:04:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 05:04:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 05:04:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:04:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 05:04:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:04:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 05:04:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 05:04:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 05:04:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:50,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-12 05:04:50,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:04:50,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093239042] [2024-11-12 05:04:50,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093239042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:04:50,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:04:50,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 05:04:50,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030947605] [2024-11-12 05:04:50,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:04:50,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 05:04:50,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:04:50,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 05:04:50,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 05:04:50,595 INFO L87 Difference]: Start difference. First operand 291 states and 441 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-12 05:04:50,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:04:50,684 INFO L93 Difference]: Finished difference Result 715 states and 1080 transitions. [2024-11-12 05:04:50,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 05:04:50,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 239 [2024-11-12 05:04:50,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:04:50,691 INFO L225 Difference]: With dead ends: 715 [2024-11-12 05:04:50,691 INFO L226 Difference]: Without dead ends: 427 [2024-11-12 05:04:50,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 05:04:50,693 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 142 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 05:04:50,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 343 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 05:04:50,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-12 05:04:50,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 275. [2024-11-12 05:04:50,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 194 states have (on average 1.3144329896907216) internal successors, (255), 194 states have internal predecessors, (255), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-12 05:04:50,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 407 transitions. [2024-11-12 05:04:50,744 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 407 transitions. Word has length 239 [2024-11-12 05:04:50,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:04:50,746 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 407 transitions. [2024-11-12 05:04:50,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-12 05:04:50,749 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 407 transitions. [2024-11-12 05:04:50,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-11-12 05:04:50,751 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:04:50,751 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:04:50,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 05:04:50,752 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:04:50,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:04:50,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1283125222, now seen corresponding path program 1 times [2024-11-12 05:04:50,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:04:50,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380378590] [2024-11-12 05:04:50,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:04:50,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:04:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:04:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:04:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:04:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:04:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:04:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:04:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 05:04:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:04:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 05:04:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 05:04:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 05:04:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 05:04:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 05:04:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:04:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:04:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 05:04:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:04:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:04:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:04:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:04:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:04:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:04:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:04:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:04:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:04:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:04:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 05:04:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 05:04:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 05:04:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 05:04:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 05:04:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 05:04:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:04:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 05:04:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:04:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 05:04:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 05:04:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 05:04:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:51,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-12 05:04:51,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:04:51,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380378590] [2024-11-12 05:04:51,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380378590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:04:51,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:04:51,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 05:04:51,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772365857] [2024-11-12 05:04:51,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:04:51,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 05:04:51,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:04:51,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 05:04:51,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-12 05:04:51,706 INFO L87 Difference]: Start difference. First operand 275 states and 407 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-12 05:04:52,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:04:52,205 INFO L93 Difference]: Finished difference Result 699 states and 1038 transitions. [2024-11-12 05:04:52,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 05:04:52,206 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 239 [2024-11-12 05:04:52,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:04:52,210 INFO L225 Difference]: With dead ends: 699 [2024-11-12 05:04:52,210 INFO L226 Difference]: Without dead ends: 427 [2024-11-12 05:04:52,211 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-12 05:04:52,212 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 147 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 05:04:52,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 488 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 05:04:52,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-12 05:04:52,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 275. [2024-11-12 05:04:52,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 194 states have (on average 1.3041237113402062) internal successors, (253), 194 states have internal predecessors, (253), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-12 05:04:52,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 405 transitions. [2024-11-12 05:04:52,250 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 405 transitions. Word has length 239 [2024-11-12 05:04:52,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:04:52,251 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 405 transitions. [2024-11-12 05:04:52,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-12 05:04:52,251 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 405 transitions. [2024-11-12 05:04:52,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-12 05:04:52,254 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:04:52,254 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:04:52,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 05:04:52,254 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:04:52,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:04:52,255 INFO L85 PathProgramCache]: Analyzing trace with hash -141118132, now seen corresponding path program 1 times [2024-11-12 05:04:52,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:04:52,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830082745] [2024-11-12 05:04:52,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:04:52,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:04:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:04:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:04:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:04:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:04:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:04:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:04:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 05:04:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:04:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 05:04:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 05:04:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 05:04:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 05:04:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 05:04:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:04:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:04:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 05:04:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:04:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:04:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:04:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:04:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:04:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:04:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:04:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:04:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:04:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:04:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 05:04:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 05:04:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 05:04:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 05:04:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 05:04:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 05:04:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:04:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 05:04:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:04:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 05:04:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 05:04:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 05:04:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:53,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-12 05:04:53,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:04:53,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830082745] [2024-11-12 05:04:53,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830082745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:04:53,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:04:53,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 05:04:53,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680927720] [2024-11-12 05:04:53,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:04:53,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 05:04:53,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:04:53,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 05:04:53,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-12 05:04:53,743 INFO L87 Difference]: Start difference. First operand 275 states and 405 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-12 05:04:54,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:04:54,466 INFO L93 Difference]: Finished difference Result 687 states and 982 transitions. [2024-11-12 05:04:54,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 05:04:54,467 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 240 [2024-11-12 05:04:54,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:04:54,470 INFO L225 Difference]: With dead ends: 687 [2024-11-12 05:04:54,470 INFO L226 Difference]: Without dead ends: 415 [2024-11-12 05:04:54,471 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-12 05:04:54,472 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 143 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 05:04:54,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 880 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 05:04:54,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-12 05:04:54,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 346. [2024-11-12 05:04:54,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 259 states have (on average 1.305019305019305) internal successors, (338), 261 states have internal predecessors, (338), 80 states have call successors, (80), 6 states have call predecessors, (80), 6 states have return successors, (80), 78 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-12 05:04:54,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 498 transitions. [2024-11-12 05:04:54,538 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 498 transitions. Word has length 240 [2024-11-12 05:04:54,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:04:54,539 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 498 transitions. [2024-11-12 05:04:54,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-12 05:04:54,540 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 498 transitions. [2024-11-12 05:04:54,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-12 05:04:54,544 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:04:54,545 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:04:54,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 05:04:54,545 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:04:54,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:04:54,546 INFO L85 PathProgramCache]: Analyzing trace with hash -547785233, now seen corresponding path program 1 times [2024-11-12 05:04:54,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:04:54,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632188099] [2024-11-12 05:04:54,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:04:54,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:04:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:04:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:04:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:04:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:04:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:04:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:04:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 05:04:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:04:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 05:04:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 05:04:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 05:04:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 05:04:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 05:04:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:04:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:04:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 05:04:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:04:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:04:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:04:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:04:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:04:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:04:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:04:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:04:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:04:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:04:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 05:04:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 05:04:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 05:04:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 05:04:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 05:04:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 05:04:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:04:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 05:04:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:04:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 05:04:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 05:04:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 05:04:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:04:55,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-12 05:04:55,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:04:55,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632188099] [2024-11-12 05:04:55,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632188099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:04:55,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:04:55,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 05:04:55,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889015698] [2024-11-12 05:04:55,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:04:55,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 05:04:55,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:04:55,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 05:04:55,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-12 05:04:55,952 INFO L87 Difference]: Start difference. First operand 346 states and 498 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-12 05:04:57,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:04:57,933 INFO L93 Difference]: Finished difference Result 767 states and 1113 transitions. [2024-11-12 05:04:57,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 05:04:57,934 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 240 [2024-11-12 05:04:57,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:04:57,941 INFO L225 Difference]: With dead ends: 767 [2024-11-12 05:04:57,941 INFO L226 Difference]: Without dead ends: 587 [2024-11-12 05:04:57,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-11-12 05:04:57,945 INFO L435 NwaCegarLoop]: 425 mSDtfsCounter, 443 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 1372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-12 05:04:57,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 1016 Invalid, 1372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-12 05:04:57,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-12 05:04:58,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 509. [2024-11-12 05:04:58,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 379 states have (on average 1.3007915567282322) internal successors, (493), 382 states have internal predecessors, (493), 120 states have call successors, (120), 9 states have call predecessors, (120), 9 states have return successors, (120), 117 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-12 05:04:58,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 733 transitions. [2024-11-12 05:04:58,025 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 733 transitions. Word has length 240 [2024-11-12 05:04:58,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:04:58,027 INFO L471 AbstractCegarLoop]: Abstraction has 509 states and 733 transitions. [2024-11-12 05:04:58,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 10 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-12 05:04:58,027 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 733 transitions. [2024-11-12 05:04:58,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-12 05:04:58,030 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:04:58,031 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:04:58,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 05:04:58,031 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:04:58,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:04:58,031 INFO L85 PathProgramCache]: Analyzing trace with hash -41500216, now seen corresponding path program 1 times [2024-11-12 05:04:58,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:04:58,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756970601] [2024-11-12 05:04:58,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:04:58,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:04:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:05:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:05:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:05:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:05:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:05:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:05:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 05:05:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:05:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 05:05:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 05:05:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 05:05:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 05:05:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 05:05:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:05:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:05:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 05:05:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:05:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:05:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:05:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:05:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:05:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:05:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:05:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:05:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:05:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:05:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 05:05:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 05:05:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 05:05:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 05:05:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 05:05:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 05:05:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:05:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 05:05:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:05:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 05:05:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 05:05:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 05:05:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:00,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-11-12 05:05:00,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:05:00,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756970601] [2024-11-12 05:05:00,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756970601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:05:00,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:05:00,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 05:05:00,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962260583] [2024-11-12 05:05:00,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:05:00,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 05:05:00,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:05:00,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 05:05:00,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-12 05:05:00,369 INFO L87 Difference]: Start difference. First operand 509 states and 733 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-12 05:05:02,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:05:02,708 INFO L93 Difference]: Finished difference Result 1582 states and 2281 transitions. [2024-11-12 05:05:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 05:05:02,709 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 241 [2024-11-12 05:05:02,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:05:02,718 INFO L225 Difference]: With dead ends: 1582 [2024-11-12 05:05:02,718 INFO L226 Difference]: Without dead ends: 1076 [2024-11-12 05:05:02,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-12 05:05:02,722 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 506 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 1080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-12 05:05:02,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 997 Invalid, 1080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-12 05:05:02,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2024-11-12 05:05:02,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 945. [2024-11-12 05:05:02,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 686 states have (on average 1.284256559766764) internal successors, (881), 692 states have internal predecessors, (881), 240 states have call successors, (240), 18 states have call predecessors, (240), 18 states have return successors, (240), 234 states have call predecessors, (240), 240 states have call successors, (240) [2024-11-12 05:05:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1361 transitions. [2024-11-12 05:05:02,876 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1361 transitions. Word has length 241 [2024-11-12 05:05:02,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:05:02,876 INFO L471 AbstractCegarLoop]: Abstraction has 945 states and 1361 transitions. [2024-11-12 05:05:02,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-11-12 05:05:02,877 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1361 transitions. [2024-11-12 05:05:02,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-12 05:05:02,880 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:05:02,880 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:05:02,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 05:05:02,880 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:05:02,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:05:02,881 INFO L85 PathProgramCache]: Analyzing trace with hash -715540294, now seen corresponding path program 1 times [2024-11-12 05:05:02,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:05:02,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790618341] [2024-11-12 05:05:02,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:05:02,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:05:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:05:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:05:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:05:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:05:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:05:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:05:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 05:05:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:05:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 05:05:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 05:05:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 05:05:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-12 05:05:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 05:05:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:05:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:05:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 05:05:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:05:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:05:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:05:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:05:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:05:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 05:05:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 05:05:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 05:05:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 05:05:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 05:05:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 05:05:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 05:05:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 05:05:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 05:05:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 05:05:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 05:05:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 05:05:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 05:05:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 05:05:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 05:05:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-12 05:05:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 05:05:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:03,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 6 proven. 105 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-11-12 05:05:03,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:05:03,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790618341] [2024-11-12 05:05:03,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790618341] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 05:05:03,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341045311] [2024-11-12 05:05:03,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:05:03,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:05:03,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:05:03,724 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 05:05:03,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 05:05:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:05:04,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 05:05:04,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 05:05:05,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 358 proven. 204 refuted. 0 times theorem prover too weak. 2250 trivial. 0 not checked. [2024-11-12 05:05:05,073 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 05:05:05,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 6 proven. 105 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2024-11-12 05:05:05,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341045311] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 05:05:05,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 05:05:05,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 6] total 15 [2024-11-12 05:05:05,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581229957] [2024-11-12 05:05:05,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 05:05:05,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 05:05:05,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:05:05,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 05:05:05,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-12 05:05:05,467 INFO L87 Difference]: Start difference. First operand 945 states and 1361 transitions. Second operand has 15 states, 15 states have (on average 7.733333333333333) internal successors, (116), 15 states have internal predecessors, (116), 4 states have call successors, (108), 3 states have call predecessors, (108), 5 states have return successors, (109), 4 states have call predecessors, (109), 4 states have call successors, (109) [2024-11-12 05:05:06,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:05:06,426 INFO L93 Difference]: Finished difference Result 1983 states and 2797 transitions. [2024-11-12 05:05:06,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 05:05:06,428 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.733333333333333) internal successors, (116), 15 states have internal predecessors, (116), 4 states have call successors, (108), 3 states have call predecessors, (108), 5 states have return successors, (109), 4 states have call predecessors, (109), 4 states have call successors, (109) Word has length 241 [2024-11-12 05:05:06,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:05:06,435 INFO L225 Difference]: With dead ends: 1983 [2024-11-12 05:05:06,436 INFO L226 Difference]: Without dead ends: 1041 [2024-11-12 05:05:06,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 552 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2024-11-12 05:05:06,439 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 144 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 05:05:06,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 708 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 05:05:06,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2024-11-12 05:05:06,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 842. [2024-11-12 05:05:06,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 583 states have (on average 1.2469982847341339) internal successors, (727), 583 states have internal predecessors, (727), 228 states have call successors, (228), 30 states have call predecessors, (228), 30 states have return successors, (228), 228 states have call predecessors, (228), 228 states have call successors, (228) [2024-11-12 05:05:06,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1183 transitions. [2024-11-12 05:05:06,552 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1183 transitions. Word has length 241 [2024-11-12 05:05:06,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:05:06,553 INFO L471 AbstractCegarLoop]: Abstraction has 842 states and 1183 transitions. [2024-11-12 05:05:06,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.733333333333333) internal successors, (116), 15 states have internal predecessors, (116), 4 states have call successors, (108), 3 states have call predecessors, (108), 5 states have return successors, (109), 4 states have call predecessors, (109), 4 states have call successors, (109) [2024-11-12 05:05:06,553 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1183 transitions. [2024-11-12 05:05:06,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2024-11-12 05:05:06,556 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:05:06,556 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:05:06,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 05:05:06,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:05:06,757 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:05:06,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:05:06,758 INFO L85 PathProgramCache]: Analyzing trace with hash -387373584, now seen corresponding path program 1 times [2024-11-12 05:05:06,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:05:06,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832538988] [2024-11-12 05:05:06,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:05:06,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:05:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 05:05:06,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [441719845] [2024-11-12 05:05:06,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:05:06,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:05:06,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:05:06,990 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 05:05:06,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process